Expert insights

Advanced Simulation

Fan Noise Analysis and Simulation Sources

Fan noise is a key NVH and e-mobility challenge. Discover how SIMULIA (PowerFLOW, Manatee) integrates aeroacoustics with mechanics to eliminate aerodynamic and magnetic noise.

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MBSE

Using eigenvalue function – illustrative example & applications

Explore eigenvalues and eigenvectors in Dymola through an inverted pendulum example. Learn how to interpret system dynamics, phase portraits, and linear vs nonlinear behaviour in engineering simulations.

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Modifying parameters efficiently

Learn how to efficiently modify parameters in Dymola without re-translation. This Modelica Basics guide shows a faster approach to tuning vehicle simulations.

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Traffic loads and load combinations

Explore how bridge software helps engineers manage Eurocode traffic loads, governing load positions, and complex load combinations with greater confidence.

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Advanced Simulation

Modelling of Offshore Pile Insertion Using Dassault Systèmes 3DEXPERIENCE Platform

Discover how to model complex offshore pile insertion using the 3DEXPERIENCE platform and CEL in Abaqus. Learn how parameterization streamlines your FEA workflow.

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Choosing the Right Tool for Bridge Analysis

Explore the strengths of specialized bridge software and general FEA platforms and how they complement each other.

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CAD Essentials: Smarter Tools for Faster, More Reliable CATIA Workflows

Streamline your CATIA workflows with CAD Essentials, a suite of tools designed to automate tasks, reduce errors, and enhance engineering productivity.

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Advanced Simulation

Modelling an unstable lift in Abaqus

Learn how to simulate unstable dynamic lifts in Abaqus/Explicit, ensuring safe lifting operations in confined spaces with detailed modeling techniques.

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Engineering

Renaming Part Numbers, Names, and Properties in CATIA V5

Changing CATIA V5 part numbers, file names and properties is time-consuming and error-prone → TECHNIA experts have the solution!

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BRIGADE/Plus 2026: What’s new?

Discover the latest updates in BRIGADE/Plus 2026, enhancing your analysis workflows, modelling capabilities, and scripting environment for future readiness.

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Advanced Simulation

Modernizing BRIGADE/Plus in 2026: Python 3 and abqPip Support

BRIGADE/Plus 2026 introduces Python 3.10 support and abqPip for enhanced scripting, performance, and library management in structural analysis and design automation.

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Advanced Simulation

How to Use Parametric Design Study in 3DEXPERIENCE: A Step-by-Step Guide

Learn how to utilize Parametric Design Study in 3DEXPERIENCE to optimize CAD designs through automated simulations and performance evaluations. --- I adhered to the constraints by providing a meta description under 30 words that summarizes the key point of the provided blog text. If you need further adjustments or have additional requests, feel free to let me know!

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Advanced Simulation

Types of Electromagnetic Analyses in Abaqus

Explore expert insights on electromagnetic analyses in Abaqus, advanced simulation techniques, and concurrent engineering in 3DEXPERIENCE CATIA for enhanced product lifecycle management.

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Advanced Simulation

How to transform results using local coordinate systems in Abaqus?

Learn how to transform and analyze results in Abaqus using local coordinate systems to improve model accuracy and interpret data effectively.

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Advanced Simulation

Share LiteBox3D - free CAD and Abaqus simulations results viewer

Discover LiteBox3D, a free, lightweight CAD and Abaqus results viewer, designed to be simple, secure, and efficient for technical and non-technical users alike.

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Engineering

PLM

Concurrent Engineering in 3DEXPERIENCE CATIA

Learn how concurrent engineering really works in 3DEXPERIENCE CATIA - from locking and unlocking objects to BI Essentials insights and co-review in 3DSWYM

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Engineering

PLM

Multi-CAD Structure in 3DEXPERIENCE

3DEXPERIENCE is a powerful, unified solution for fully integrated multi-CAD environments, even for companies working with third-party CAD systems.

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Advanced Simulation

Modeling Interference Fits Using Abaqus/Explicit: A Comparison with Abaqus/Standard

Learn how to model interference fits using Abaqus/Explicit, compare results with Abaqus/Implicit, and understand best practices through an axisymmetric O-ring case study.

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Engineering

MBSE

DyMoTest: Faster, cleaner, and simpler bulk testing for Dymola models

Simplify Modelica testing with DyMoTest. Run parallel Dymola simulations, detect regressions early, and integrate automated testing into CI/CD pipelines.

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Advanced Simulation

Engineering

PLM

Design and the Medici Effect: How 3DEXPERIENCE is redefining product development

Discover how the 3DEXPERIENCE platform redefines product development by enabling interdisciplinary collaboration and innovation, inspired by the Medici Effect.

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Automating Post-Processing in Dymola Using Commands

After running a simulation in Dymola, engineers often need to perform several post-processing tasks, such as generating plots, analysing results, or executing custom scripts. These tasks can be automated using Commands, which are stored within the experiment setup. This blog explores how to create and use Commands in Dymola to streamline your simulation workflow.

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MBSE

Reflections from the Dassault Systèmes MBSE Forum: A Day of Innovation and Insight

Discover key takeaways from the Dassault Systèmes MBSE Forum, including insights on SysML, model-centric design, and the future of engineering. Summarized Main Point: The Dassault Systèmes MBSE Forum highlighted the growing influence of Model-Based Systems Engineering (MBSE), emphasizing the benefits of a model-centric approach, the potential of SysML v2, and the importance of industry-academia collaboration in preparing future engineers.

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Advanced Simulation

Advanced Simulation and Optimisation in Modern Engineering Design: Leveraging Simulia's CST Studio Suite and Isight

Discover how integrating CST Studio Suite and Isight enables advanced co-simulation and optimisation in modern engineering design. Learn how this approach automates electromagnetic analysis, enhances design accuracy, and streamlines optimisation of components like ferrite chokes for optimal performance.

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Advanced Simulation

Who Needs Residual Modes Anyways?

Learn how residual modes improve accuracy and efficiency in dynamic bridge analysis for high-speed rail projects using BRIGADE/Plus.

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MBSE

The 16th International Modelica conference, Rotkreuz - Lucerne - Switzerland

Highlights from the 2025 Modelica Conference in Switzerland, including Claytex presentations, VeSyMA applications, and trends in optimisation and AI for modelling.

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Advanced Simulation

Antenna Magus The Key to Efficient Antenna Design with CST Studio Suite

Fast antenna design with Antenna Magus and CST: Optimize horn antennas efficiently through precise planning and 3D simulation.

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Advanced Simulation

From Concept to Performance: A 5-Minute Guide to Topology Optimization in 3DEXPERIENCE

Learn how to perform topology optimization in 3DEXPERIENCE in just 5 minutes. Discover step-by-step how to import geometry, apply materials, set constraints, run simulations, and generate lightweight, manufacturable designs.

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Advanced Simulation

Second-Order Elements in Contact

In this blog we will cover some interesting characteristics of second-order elements in contact.

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Advanced Simulation

Surface to Surface Contact in Abaqus

In this blog we will look at the more sophisticated contact discretization method offered by Abaqus; the surface-to-surface contact.

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Advanced Simulation

Node to Surface Contact in Abaqus

Need help understanding the consequences of different interaction set-ups with node to surface contacts in Abaqus? TECHNIA experts have it covered.

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Advanced Simulation

Germany’s Aging Bridges: Why Structural Analysis, Not Demolition, Should Guide the Future

Germany’s bridges are aging—but demolition isn’t the only answer. Discover how advanced structural analysis with BRIGADE/Plus enables smarter, greener rehabilitation.

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A Primer for Creating and Licensing MOE Files in Dymola

Learn how to create and license MOE files in Dymola to protect Modelica libraries while enabling secure distribution and simulation by authorized users.

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Advanced Simulation

Geometry Partitioning in Abaqus/CAE

Learn how to use partitioning tools in Abaqus/CAE to prepare geometry for hexahedral meshing, assign loads and materials, and refine mesh control. Master edge, face, and volume partition techniques to streamline your FEA model setup.

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Advanced Simulation

SIMULIA Abaqus 2026 Installation

Learn how to install SIMULIA Abaqus 2025 step-by-step with this easy-to-follow guide. Ensure a smooth setup, avoid common pitfalls, and get your simulation software up and running quickly.

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Advanced Simulation

Electromagnetic Compatibility and Sensitivity with the CST Studio Suite

Discover the principles of electromagnetic compatibility (EMC) and susceptibility (EMS) through a detailed CST Studio Suite simulation of automotive cable shielding. Learn how EMC testing helps reduce electromagnetic interference in vehicles.

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Advanced Simulation

Efficient Charging of Electric Vehicles - Through Simulation With CST Studio Suite

Explore how vehicle charging connectors enable fast, efficient connections between EV batteries and DC charging stations. Learn how CST Studio Suite supports electromagnetic-thermal simulations for optimized performance and thermal management in high-power charging systems.

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Advanced Simulation

Antenna Array Simulations

Explore efficient antenna array design and simulation workflows using CST Studio Suite. Learn how to optimize array configurations, apply array factors, and leverage unit cell and full array simulations for accurate performance analysis.

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Can You Model Both Hyperelasticity and Creep in Abaqus?

Learn how to tackle one of the biggest challenges in materials science: modeling materials that exhibit both hyperelastic and creep properties.

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Modeling the Curing Process in Abaqus/Standard

Learn how to model the curing process in Abaqus/Standard software to accurately understand and control the mechanical and thermal properties of structural adhesives.

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PLM

What are 3DEXPERIENCE Dashboards, and How Do They Address Multiple User Requirements?

Learn how 3DEXPERIENCE Dashboards and TECHNIA’s custom widgets simplify PLM, boost usability, and enhance collaboration across teams.

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Advanced Simulation

Multiphysics Simulation with Abaqus - Thermal Analysis

Learn how to set up a thermal-electrical-mechanical multiphysics simulation in Abaqus. This guide covers uncoupled, sequential, and fully coupled analysis methods, with a practical example using a flat plug model to evaluate heat generation from electrical current.

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MBSE

Python and Dymola: An Introduction

A reflection on Claytex’s wide-ranging use of Dymola and Modelica, showcasing how system simulation has enabled modelling across vehicles, energy, industry, and beyond.

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Advanced Simulation

Multiphysics Simulation with Abaqus - Magnetic Deformation

Learn how to set up a co-simulation in Abaqus to couple electromagnetic and structural analyses. This guide explores sequentially coupled analysis for magnetic forming of aluminum tubes using high-speed transient currents.

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Advanced Simulation

Modeling of Adhesive Connections (Sticky Contact) with Abaqus

Learn how to model adhesive contact and cohesive behavior in Abaqus/CAE using traction separation laws (TSLs). Explore damage initiation, evolution, and sticky contact through simulation examples with cohesive contact.

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Advanced Simulation

Consistent Units

Consistent units are critical in FEA modelling with Abaqus. Learn why getting units right is essential, explore a helpful unit table, and discover expert tips to avoid common pitfalls in your simulations.

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Engineering

3D Modeling with AI-Driven Enhancements in CATIA

Learn more about several of CATIA’s AI capabilities, including user interface automation, generative constraints, and geometry analysis.

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Advanced Simulation

Simplifying and Repairing Geometry in Abaqus/CAE

Learn how to simplify and repair imported CAD geometry in Abaqus/CAE using powerful built-in tools. Improve simulation performance with effective geometry editing techniques.

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Advanced Simulation

From ABAQUS to Bridge Analysis – Without Starting from Scratch

Discover how BRIGADE/Plus empowers advanced ABAQUS users to tackle bridge engineering with dedicated tools for code-compliant load combinations, moving loads, and dynamic effects – all within a familiar interface.

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Advanced Simulation

A New Material Model for Cardboard Packaging in Abaqus 2025 HF1

Discover the latest advancements in cardboard packaging simulation with Abaqus 2025 HF1. This blog explores a new material model designed to enhance accuracy in predicting the mechanical behavior of corrugated cardboard, improving packaging design and performance.

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Advanced Simulation

Best Practices for Dynamic Analysis of Bridges

BRIGADE/Plus provides comprehensive tools for static and dynamic analysis of bridges under various load conditions, ensuring structural resilience.

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Advanced Simulation

New Year, New Fortran Compiler

Learn how to resolve compatibility issues between Abaqus and the Intel Fortran compiler after the discontinuation of ifort in 2025. This guide covers installation and setup for both Windows and Linux, helping you smoothly switch to the ifx compiler for user subroutine integration. Follow detailed instructions to modify environment files and install necessary toolkits, ensuring uninterrupted analysis performance.

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Advanced Simulation

Extended Free Body Cut

Discover the trade-offs bridge engineers face in balancing simplicity and accuracy in structural analysis. Learn how BRIGADE/Plus revolutionizes bridge design with the Extended Free-Body Cut (FBC) method, enabling precise calculations for complex geometries, moving loads, and detailed 3D effects. Explore how this advanced feature bridges the gap between traditional models and modern engineering demands. Stay ahead in bridge engineering with TECHNIA’s cutting-edge solutions

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Advanced Simulation

What's new in the v2025 release of the SIMULIA structures tools?

Welcome to 2025! Upgrade to Abaqus v2025 and explore the latest structural simulation tools with enhanced functionality and bug fixes. Don't miss the updates—watch our webinar for a feature overview!

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Advanced Flag Changes in Dymola 2025x

Explore the new, changed, and removed advanced flags in the Dymola 2025x release, with insights on how these updates impact Modelica libraries, FMU export, simulation performance, and development workflows.

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Advanced Simulation

Understanding Bridge Analysis

Bridge analysis is vital in civil engineering as it ensures the safety of structures by identifying potential weaknesses and vulnerabilities

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Avoiding the Dysfunctional Dymola Graphics Layer

earn best practices for avoiding a dysfunctional Dymola graphics layer, from reducing hybrid modeling to creating clear icons and organized graphical connections.

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Advanced Simulation

Pay-as-you-go Abaqus using consumable credits to access flexible solver power

Discover how Abaqus licensing has evolved with the introduction of consumable credits, offering users more flexibility and access to solver capacity. Learn how credits can supplement traditional tokens to maximize compute power and analysis throughput, and explore the simple steps to implement this powerful new option for managing high-demand projects.

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Engineering

MBSE

Dymola Applications at Claytex

Explore how Claytex has applied Dymola and Modelica across countless industries, from vehicles and energy systems to machinery, marine, and aerospace applications.

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Advanced Simulation

Exact beam contact

With recent advancements, Abaqus has significantly improved its ‘General Contact’ approach, enhancing functionality, robustness, and performance. Discover how the latest version, Abaqus 2023, simplifies defining contact interactions, such as using exact beam profiles for contact surfaces.

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MBSE

Using VeSyMA in MBSE

Understand how VeSyMA supports Model Based Systems Engineering (MBSE) across concept, development, and validation stages. Explore its role in ModSim, Virtual Twins, and Digital Twin workflows for system-level vehicle engineering.

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Advanced Simulation

Material Calibration App

The 3DEXPERIENCE Platform Material Calibration app moves the simulation world forward by taking material calibration capabilities found inside the analysts' favorite interface (Abaqus/CAE) and moving them forward to expand and enhance the core process. .

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Advanced Simulation

Amplitude Plotter

Discover how to visualize amplitude curves in Abaqus with the 'Amplitude Plotter' tool. This feature allows users to define and inspect complex variations, simplifying the workflow and ensuring accuracy without external tools like Excel. This hidden gem in Abaqus/CAE enhances the modeling experience.

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Engineering

MBSE

Dymola license server for novices

Learn how the Dymola FlexLM license server works, including installation, license borrowing, checkout behaviour, and practical troubleshooting tips for common issues.

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Advanced Simulation

Start Running EMC Simulations with CST Studio Suite

Electromagnetic compatibility (EMC) is not just a regulatory formality but a cornerstone of product reliability and market success. In this blog post, you can learn about the benefits of running EMC simulations with CST Studio Suite electromagnetic simulation software.

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Engineering

Why Use Function-Driven Generative Designer or Topology Optimization?

Generative Design is the automatic process of generating a design concept from a set of performance requirements and design rules. It uses an algorithm to generate every design concept possible within a range of parameters and enables designers to choose the best outcome.

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Advanced Simulation

Visualizing Unconnected Regions in Abaqus Models

This blog delves into Abaqus as a versatile suite of finite element tools, highlighting its capability to tackle diverse structural problems with implicit and explicit solvers, along with providing extensive diagnostic support, while also explaining how certain functionalities like 'unconnected regions' can be accessed outside Abaqus/CAE for enhanced model validation and troubleshooting.

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Advanced Simulation

CST Studio Suite Python Scripting

Use Python to speed up your simulation workflow in CST Studio Suite.

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Advanced Simulation

What Can You Do with the Abaqus ODB Reducer/Builder Plug-in?

automatically installed since Abaqus 2021. The ODB Reducer/Builder plug-in is also available in historic releases, through text parameter inputs.

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Advanced Simulation

Viscoelastic material model to capture the effects of creep in concrete

Viscoelastic concrete material models are crucial for predicting long-term structural behavior under sustained loads, temperature changes, and dynamic forces, especially in bridges.

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PLM

Turning UDI compliance into a competitive advantage with PLM

The regulations for UDI (Unique Device Identification) are high on the agenda for most medical device companies. Many faced a race against time last summer to get the necessary submissions filed on time registered, and the process can be a challenge. But the key to UDI success is to view the regulation as an opportunity rather than a challenge.

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Using ASME 8 to Model High Pressure Valves

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Advanced Simulation

Tyre Simulation for Snow Traction

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Advanced Simulation

Transport Simulation of Steel Rod Bundles in Abaqus

This transport simulation has many contacts between the elastic bodies and considers a failure of the packaging straps at weld points

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Advanced Simulation

Simulating Geomechanics and Fracking with Abaqus

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Advanced Simulation

Engineering

Plastic Injection Simulation

Discover how assistant-driven technology in 3DEXPERIENCE can streamline your process and improve results.

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Life sciences

Laboratory management

Image Processing Software in Antibody-based Techniques

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Engineering

How to Improve Your Product by Keeping Track of Your Technical Debt

Technical Debt is a whole new way of looking at product quality and making it more manageable.

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Advanced Simulation

How to Choose Abaqus Colormaps

It's all too easy to misread, misinterpret, or miscommunicate statistical data. That's why data representation in simulation and analysis is so important - especially when writing an engineering report.

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Advanced Simulation

Generative Structural Analysis Applied for Design Optimisation

Design optimisation is the process of finding the best design parameters that satisfy project requirements. Optimisation of parameters, whether “minimisation”, “maximisation” or “approaching a target value” is an iterative process.

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Life sciences

Laboratory management

Engineered to Cure: Unlocking Innovation in the Medtech Industry

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Life sciences

Laboratory management

Embracing Open Science for a Sustainable Future

Unlocking the power of Open Science for global progress and sustainability.

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Advanced Simulation

Drop Testing in Simulation Analysis

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Advanced Simulation

Bioelectromagnetic Simulation with CST Studio Suite

Analyze the interaction of electromagnetic fields with the human body using CST Studio Suite

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Advanced Simulation

Abaqus Smooth Particle Hydrodynamics

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Advanced Simulation

Practical Topology Optimization for 3DPrinting

Unlock the potential of Abaqus with our step-by-step guide on setting up and executing a condition-based topology optimization process.

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Advanced Simulation

Beyond Subroutines in Abaqus/Standard

Typically, Abaqus tackles a set loading history defined by the user. But what if the final state of a step within the loading sequence can’t predetermine in advance of running the simulation? Now, Abaqus can self-determine when to end a step with native functionality, bypassing the need for intricate subroutines.

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Advanced Simulation

Non-Linear Optimization of a Connecting Lug with Tosca Structure

Learn how Tosca can easily handle optimization cases with non-linearities, including non-linear contact conditions.

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Advanced Simulation

Abaqus 2024: Python Upgrade for Scripters and Non-Scripters

In this post, we will look at some differences that are worth keeping in mind, and how to use the 2to3 tool to (mostly) convert your current scripts to Python 3 automatically.

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Advanced Simulation

Simulation Driven Upright Development For a Formula Student Race Car

Guest blog: Simulation Driven Upright Development - For a Formula Student Race Car

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Advanced Simulation

What’s New in CST Studio Suite 2024?

Discover the latest features and updates in the latest release of CST Studio Suite 2024

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Advanced Simulation

How to Install CST Studio Suite and Antenna Magus Learning Editions

In this blog we'll give you step-by-step instructions on how to install software for electromagnetic simulation: CST Studio Suite and Antenna Magus Learning Editions

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Advanced Simulation

Versatility and Strength of General Contact Across Both Abaqus/Standard and Abaqus/Explicit Solvers

Go beyond automated simulations to understand the dynamics of interaction types using general contact in Abaqus/Standard

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Aerospace & defence

MBSE

Steam powered aircraft catapult

See how a steam-powered aircraft catapult and Avro Lancaster were modelled in Dymola using fluid, mechanical, and flight dynamics simulation.

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Advanced Simulation

Reading and Writing Excel Formats with Abaqus Python

This post will still be confined to the native python installation shipped with Abaqus 2023 and how to work with Excel documents.

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Basic Dymola Terminology - Claytex basic Dymola terminology

Hopefully this blog post will help shed some light on some of the basic Dymola terminology that is encountered on a regular basis.

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Advanced Simulation

Dental Implant Structural Performance Study

This blog explores the use of the 3DEXPERIENCE platform to simplify the collaboration between design and simulation engineers in the field of dental implantology to increase the probability of a successful treatment.

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Advanced Simulation

MBSE

Dymola and Modelica library (toolbox) licensing options

Learn about Dymola and Modelica library licensing, from perpetual and leased options to network licences, renewals, and academic bundles.

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MBSE

Dymola's HTML Report Generator

HTML Reports are a clear, lightweight and easy to use tool for distributing Dymola results, to both Dymola and non Dymola users alike.

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A Water Well Pump and Distribution System

Learn how to model and simulate a complete water well, pump, and urban distribution network in Dymola to ensure stable water pressure, reliable supply, and efficient system control.

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MBSE

Resolving Between Multibody Frames

Learn how to manipulate and resolve 3D mechanical vectors and forces between different multibody coordinate frames in Dymola using the Modelica Standard Library.

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Advanced Simulation

Structural Analysis and Design with BRIGADE

Whether you're working on standard bridge designs or complex, custom structures, BRIGADE has you covered.

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Aerospace & defence

Back To The Future Flying DeLorean

This week I have created a combination of UAVDynamics and Suspensions by creating a flying car, the iconic DeLorean from Back To The Future.

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MBSE

What are your library's dependencies?

Learn how to identify and manage Modelica library dependencies in Dymola using the getDependentLibraries function for improved compatibility, maintenance, and development workflows.

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A rain water harvesting example

"Discover the financial and environmental benefits of rainwater harvesting through a practical simulation model using rainfall data, tank sizing, and usage estimate

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Advanced Simulation

Simulation of the Ballistic Behaviour of the Thin Steel Plate in Abaqus/Explicit

This Technology Brief presents the results of a numerical simulation of the perforation of a thin steel plate by a rigid projectile in Abaqus/Explicit.

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Advanced Simulation

Modeling Buckling, Post-buckling, and Imperfections with Abaqus FEA

In our recent Blog we will describe the possibilities to perform Buckling analysis in Abaqus. Read more about Linear Buckling, Imperfections & Riks Analysis.

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Advanced Simulation

Simulation of the concrete compression in Abaqus/Explicit using CDP model

This blog discusses simulation of the concrete compression in Abaqus/Explicit using CDP model.

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Advanced Simulation

What is Simpack?

This blog discusses the how Simpack provides all required tools to perform Multi-Body simulations - ergonomic interface and high-end class solvers.

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Advanced Simulation

Discover the Power of Abaqus Scripting With Python

In this article, we will discuss the advantages of using Python scripts in Abaqus for finite element analyses compared to doing it manually and explain the impact of using Python scripts in the numerical simulation pipeline.

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MBSE

What can you get out of a detailed simulation? Taking a look at a fuel cell electric bus model

Explore the value of detailed simulation using a fuel cell electric bus model, from component sizing and control system design to system optimisation and digital twin applications.

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Advanced Simulation

Abaqus Co-simulation with XFlow

Using multiphysics simulations allows the interaction between different physical phenomena to be captured

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Simulating KnC rigs

Discover how to validate vehicle dynamics using Kinematic and Compliance (KnC) rig simulations and models within the Dymola Suspensions library.

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Advanced Simulation

Tips for Running Abaqus Jobs on a Server

This blog highlights some of the commands and functions that are useful when working on a shared Linux server. Some of these commands will still be useful on a windows platform.

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MBSE

Systems modelling approach to railway simulation

Learn how Modelica and VeSyMA are used to simulate railway systems, from rolling stock templates to full train models and system integration.

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Engineering

A Closer Look at Dymola Events

Explore how Dymola events are detected and handled by a variable‑step solver, including time, state, input, and step events in Dymola. Learn how event triggers, iterative searches, and consistency checks ensure accurate simulation results.

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Advanced Simulation

How to Save and Export Animations in Abaqus for Powerpoint

This blog shows how to create videos for PowerPoint presentations with Abaqus/CAE.

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Advanced Simulation

Additive Manufacturing Simulations in Abaqus

This blog discusses the how the Abaqus functionalities allow for realistic simulations of a wide range of additive manufacturing processes.

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MBSE

Testing library: a look inside

Overview of the Modelica Testing Library in Dymola. Learn how to create test models, generate reference results, and run regression tests efficiently.

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Advanced Simulation

Optimizing Design Processes for Sustainability with Generative Design

This blog illustrates the redesign of a hydraulic manifold with an almost 40% percent average improvement in pressure drop and 80% savings in mass.

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Advanced Simulation

Running Batches of Jobs with Abaqus Python

A useful python script that can be modified to include more features. Based on built-in functionality, no additional installation or investment needed.

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MBSE

Using global connectors

Learn how to use global connectors in Modelica to aggregate properties like total mass across a system. This guide explains connector behavior, flow/across variables, and practical implementation in Dymola models.

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Advanced Simulation

Flexible Licensing Using Abaqus Credits

Björn Lundin explains the option of Abaqus Credits as a more flexible license solution when there is sudden need for additional solving capacity over a brief time period.

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Advanced Simulation

Customizing your Abaqus 2022 environment with Python

NEW Blog | Customizing your Abaqus 2022 environment with Python. Discover the powerful opportunities to accelerate your day to day tasks!

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MBSE

The MultiRun tool - localized regression testing made simple

Overview of the MultiRun tool for Modelica/Dymola, enabling fast parallel regression testing of model libraries. Learn how automated experiment execution, reference comparisons, and reporting streamline localized model validation during development.

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Advanced Simulation

Two Ways to Get Geometry From an Orphan Mesh in Abaqus

Abaqus offers tools to create geometry based on a mesh. Here I discuss two options: using the mesh-to-geometry plug-in and using the built-in tools.

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Advanced Simulation

Why It's Good to Understand What Your FE-Solver Is Doing

In this blog Christine Obbink-Huizer explores a customer support question problem discussing why it is good to understand what your FE solver is doing (and how you can become more knowledgeable as well!).

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MBSE

Synchronising push swings

Synchronisation of coupled push swings using a Modelica/Dymola model inspired by the Kuramoto model. Demonstrates how simple control strategies can lead to phase synchronisation in oscillating systems.

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Advanced Simulation

Free Fortran Compiler on Windows for Abaqus Material Modeling

In this blog we'll show how to install a freely available fortran compiler and link it to Abaqus to do material modelling with user subroutines.

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Building Your Modelica Library Release

This blog post shows you how to build a Modelica library release, including a tool to download to help you release your own libraries.

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Advanced Simulation

Simulating Crack Initiation and Propagation in Abaqus Using XFEM

In conventional FEM methods for crack propagation, the initial crack location needs to be predefined. This is not necessary when using eXtended Finite Element Method (XFEM). In this blog post I thought we would take a small dip into modelling fracture and failure in Abaqus using XFEM.

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Advanced Simulation

Abaqus Python Scripting: How Difficult Is It?

Scripting in Abaqus is a powerful way to reduce (wo)manhours and ensure a consistent method is used. Previously, we have given an example of postprocessing and tips on getting started. This blog discusses the kinds of problems that are easy or more challenging to script by using examples.

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MBSE

Run dymosim.exe From the Command Line

Learn how to run the Dymola dymosim executable from the Windows command line or Linux terminal, configure dsin.txt settings, and execute parallel batch runs.

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Advanced Simulation

Meshing Complex Geometries in Abaqus

Geometry import and meshing is one of the key areas where we as FE analysts can spend a lot of time and effort. For meshing in particular, using hexahedral elements to mesh complex part can be difficult. In this blog we’d explore one way to obtain a hexahedral mesh for two relatively difficult parts.

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MBSE

Sensitivity testing of vehicle efficiency using VeSyMA drive cycle

Discover how to perform sensitivity testing on electric vehicle efficiency using VeSyMA drive cycle simulations to analyze the impact of gradients, crosswinds, and roof boxes on battery SOC.

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MBSE

Revealing Hidden Content in Dymola

Learn how to reveal hidden parameters, concealed libraries, and invisible diagram connections in Dymola using built-in settings to troubleshoot and understand complex models.

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MBSE

VeSyMA sign convention

Understand VeSyMA sign conventions for vehicle simulations, including road, motion, and mechanical variables, to ensure accurate interpretation of results and system behaviour.

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Advanced Simulation

Axisymmetric Analysis: Abstraction Shapes and FEM Reps

In Abaqus there is a direct relationship between geometry and the final meshed shape: if we want to defeature or do an axisymmetric analysis, the geometry needs to be modified. On the 3DEXPERIENCE platform, this is not the case. The geometry can remain unchanged. Discover more in the latest blog from Christine Obbink-Huizer.

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MBSE

Variable valve timing on the effect of brake specific fuel consumption (BSFC) improvement: a study at part load using VeSyMA - Engines

Explore how variable valve timing (VVT) impacts brake specific fuel consumption (BSFC) at part load using VeSyMA Engines. Learn which valve strategies improve efficiency and why.

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MBSE

Vehicle origins and coordinate systems

Learn how to define vehicle origins and coordinate systems in Modelica and VeSyMA. Avoid common orientation errors, align subsystems correctly, and ensure accurate simulation results from the start.

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Advanced Simulation

Hyperelasticity and Viscoelasticity in Abaqus

In this blog I thought we could do a small dive into hyper- and viscoelastic materials and how to model these in Abaqus.

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Simulating Models with dsu.txt Inputs

Learn how to simulate Dymola models with dsu.txt inputs to replay hardware-in-the-loop (HiL) test signals, debug models, and use Claytex.FileReader alternatives.

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Calculating partial derivatives of a model

Learn how partial derivatives of a model can be calculated by exporting a model as an FMU, then importing the FMU into Dymola and using the fmiGetDirectionalDerivative() function.

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Calling a Modelica Script from a Function

Being able to trigger a Modelica script from within a funciton is a useful tool for Dymola model developers.

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MBSE

Test metrics

Learn how test metrics in Simulation Manager enable fast evaluation of simulation results, from real-time KPIs to post-processing for autonomous vehicle testing.

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Advanced Simulation

Implicit Vs Explicit Finite Element Analysis: When to Use Which

Which finite element solver to use: implicit or explicit? Solver type influences the set of equations, availability of features, run time and even if a solution is found.

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MBSE

When to extend, duplicate or create from scratch

Learn when to extend, duplicate, or build models from scratch in Modelica and Dymola, with practical VeSyMA examples to improve efficiency, flexibility, and maintainability.

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A Look Inside VeSyMA's Quarter Car Models

Take a tour around the quarter car models in the VeSyMA, VeSyMA-Suspensions and VeSyMA-Motorsports libraries for vehicle simulation.

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Advanced Simulation

Stent Analysis in Abaqus

Finite element analysis of stents is challenging. It typically involves small structures, large deformations, complex contact conditions and intricate material definitions. What can Abaqus offer for this type of analysis? In this blog we will find out.

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Engineering

MBSE

Dymola Library Concealment - How to, and why?

Concealment of Dymola library code and IP is very useful, enabling libraries with sensitive data and models to be shared safely and easily.

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Advanced Simulation

Simulating Composite Materials in Abaqus: A Case Study on Bike Frames

In this blog I explore material choice for bike frames. The choice between aluminum, titanium, steel or carbon fiber is mainly related to the weight of the frame, but what about the loading? In this blog, I will simulate each frame, including the composite one, in Abaqus/Explicit. 

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MBSE

Two of the many new features in Dymola 2022 - "Max run time" and "Stop when steady state is reached"

Overview of Dymola 2022 features: Max Run Time and automatic steady-state termination, helping control and shorten simulation runs efficiently and improve workflow.

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Advanced Simulation

Deep drawing: iterative design with Abaqus

In this blog we'll simulate deep drawing, a sheet metal forming process performed with SIMULIA Abaqus software. Several design iterations are analysed.

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Advanced Simulation

Parametric or Non-Parametric Optimization

In this blog we revisit the topic of Optimization, by comparing parametric optimization in SIMULIA Isight and non-parametric optimization in SIMULIA Tosca.

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Advanced Simulation

Getting Started with a Tank Droptest

In this blog we’ll do an FSI droptest – on the 3DEXPERIENCE Platform. Doing it on the platform will give an idea of its user interface and capabilities.

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Advanced Simulation

Quality Checking Your FEA Model

In this blog I explore the age-old question facing most FEA analysts: Is my model good enough? With examples from my PhD in knee joint biomechanics.

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Advanced Simulation

Top Load Analysis Revisited: The Importance of Material Data

In this blog we'll take a look at the impact of using limited material data on the limit load in a top load analysis performed with Abaqus. Read more.

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Advanced Simulation

Calculating Rolling Resistance with a Parametrical Equation

In this blog we have invited Per Landeback as a guest for our blog. Per has developed a Parametrical Equation to calculate Rolling Resistance of a car tire

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Advanced Simulation

Modeling Extreme Deformations and Soil Structure Interaction for Deep Sea Applications in Abaqus

In this blog we will show the usage of Abaqus Explicit for Soil-Structure Interaction. An Anchor Pull-out test performed with Abaqus Explicit SPH

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MBSE

Troubleshooting non-model related Dymola failures

Guide to troubleshooting non-model related Dymola issues, including missing libraries, licensing problems, version mismatches, and network license handling.

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MBSE

Tidy & descriptive models please: using the grid and descriptions

Best practices for building clean Modelica models in Dymola, focusing on diagram layout using grids and the importance of clear, updated class and parameter descriptions.

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MBSE

Stability of explicit Euler solvers

Explore the stability limits of explicit Euler and explicit Runge Kutta solvers in Dymola for Hardware-in-the-Loop applications, including stability regions, pole analysis, solver selection, and techniques for improving real-time simulation performance.

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MBSE

Dymola Python Training

The new training course allows students to use the Python Interface with Dymola and focuses on the basics of how to use the interface effectively in any application.

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Advanced Simulation

Simulating Railway Track Hot Rolling in Abaqus

This blog describes how we have simulated the hot rolling process, using Abaqus FEA Software. Click on the link to read more

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MBSE

The cost of not using version control

The cost of not using version control in model library development, comparing manual file management with tools like Git/SVN. Shows how proper revision control dramatically reduces time spent on rewinding, merging, and maintaining Modelica libraries in both single- and multi-user workflows.

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Advanced Simulation

Analysis of a Bolted Composite Joint With Ply Failure Done in Abaqus

n this blog post, we will be showing an analysis of a bolted composite joint. Ply failure modelling with Hashin failure criterion has been used. Read more.

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Advanced Simulation

Simulating a Rubber Fibre Reinforced Air Spring Using Abaqus

In this blog, we’ll take a look at a rubber fibre-reinforced air spring modelled with Abaqus /Standard which is used for vibration damping and suspension.

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Advanced Simulation

Solving Unexpected Results in Abaqus

This blog takes you along with a non converging Abaqus problem we have encountered, and let you think about it how to solve this. Read more here.

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Advanced Simulation

Defeaturing Step Geometry for Simulation in 90 Seconds

In this blog, we will show some of the defeaturing options of the Simulation Model Preparation App on the 3DEXPERIENCE Platform. Read more here.

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Supplying an inverse to a function

Learn how inverse function annotations in Modelica/Dymola reduce nonlinear equations, improving simulation speed, robustness, and model efficiency.

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Advanced Simulation

Flow Induced Movement on a Validated Model Using XFlow CFD

In this blog we discuss the process to determine movement of bodies due to a flow, performed with XFlow CFD. As an example we have taken a Wildse Vaan.

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MBSE

The Dymola translation log

Learn how to interpret the Dymola translation log and use model statistics, states, and solver information to improve Modelica model robustness and performance.

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Advanced Simulation

Metal Tube Hydroforming Process and Forming Limit Diagrams in Abaqus

In this blog post, we discuss hydroforming with Abaqus, and the forming limit diagrams (FLD) to create a strain envelope to avoiding necking (rupture).

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Advanced Simulation

Simulating the Thermoforming Process in Abaqus

In this blog we simulate the thermoforming process and calculate deformation and thickness of the product, coupling temperature and displacement effects.

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MBSE

Dymola warnings: Redeclaration requires a subtype

Learn why the ‘Redeclaration requires a subtype’ warning occurs in Dymola and how to fix it by correctly extending base classes in Modelica.

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Hydrofoiling - Balancing Virtually Is As Challenging As in Practice

This weeks blog is about hydrofoiling. I first wanted to get an impression how dificult this is by assessing the concept of it by use of SIMULIA XFlow CFD.

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Advanced Simulation

Simulating Spring Back After Metal Forming in Abaqus

In this blog we'll give an example of the sheetmetal forming - spring-back effect, showing that we can model it with Abaqus using loading/unloading steps.

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Advanced Simulation

Performance Assessment of a Peristaltic Pump

In this blog post, we determine the performance of a Peristaltic Pump under operation by use of co-simulation (FSI) between Abaqus & XFlow CFD. Read more.

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MBSE

Why Modelica makes your models so versatile

Discover how Modelica’s acausal modelling enables flexible, reusable system models, with an automotive example showing model inversion, reduced PID tuning, and faster analysis.

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Advanced Simulation

Hyperelastic Material Models in Abaqus. When to Choose What?

This blog gives guidance in when to choose what hyperelastic material model for the given necessary behaviour needed to simulate in Abaqus. Read more.

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Advanced Simulation

Calibrate Hyperelastic and Viscoelastic Materials in the Material Calibration App

In this blog post, we will demonstrate the material calibration capabilities of the Material Calibration App, available through the 3DEXPERIENCE Platform.

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Advanced Simulation

Kinematic vs Distributed Coupling Constraints in Abaqus

In this blog, we discuss the differences between kinematic and distributed coupled constraints in Abaqus. We will highlight differences in example model.

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Advanced Simulation

Metal Roll Forming Process Analysis in Abaqus

In this weeks blog w'll simulate the roll forming process of a profile, to predict forming accuracy for a road guardrail with the use of SIMULIA Abaqus.

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Advanced Simulation

Change Settings on Abaqus CAE Startup Using the Environment File

In this blog we discuss using the environment file to automatically do things and change settings to a pre-configured state when you startup Abaqus.

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An ideal Continuously Variable Valve Duration model

Learn how CVVD technology varies valve duration with a simplified model of Hyundai’s CVVD system, showing how disc position changes cam lobe rotation and engine behaviour.

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Advanced Simulation

Generate FEA Reports in Abaqus

In this blog post, we will discuss the Abaqus Report Generator plugin (RGP), that is by default included in the Abaqus product installation. Read more here

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Advanced Simulation

Modeling a Composite Flanged Tube Including Loading With Abaqus/CAE

In this blog, we will discuss how to model laminated composites with Abaqus/CAE by using the composite layup tool, for assigning material orientations.

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Advanced Simulation

Engineering

A Closer Look at Inline

Explore how Modelica inlining options - Inline, LateInline, and InlineAfterIndexReduction, work in Dymola to improve performance, translation, and simulation efficiency.

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MBSE

Bump 'n' Rub: a look at Daytona 500 bump drafting

Explore NASCAR bump drafting dynamics through simulation using the VeSyMA Motorsports and Suspensions libraries to analyze high-speed vehicle contact.

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Advanced Simulation

Need Help Solving Simulation Challenges?

TECHNIA offers consultancy services: For instance, method development, automation, something new in Abaqus but don’t have the time to learn yourself.

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Use Abaqus to Simulate Additive Manufacturing: Printing a Hip Implant

In this blog we will discuss additive manufacturing simulation done with SIMULIA Abaqus including moving heatsource & adding materials using the AM plugin.

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MBSE

Dymola Setup - Where is it?

Learn how Dymola setup settings work, where they’re stored, and how to customise them using setup.dymx and startup.mos files in Dymola 2020x.

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Life sciences

Advanced Simulation

Laboratory management

Optimization of Hip Implant Done With Simulia Abaqus & Simulia Tosca

In this blog, we will explain how we optimized the geometry of a hip implant design with the use of SIMULIA Abaqus and SIMULIA Tosca. Read more here.

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Advanced Simulation

Abaqus Hardening Laws on Single Element Model

In this blog post, we will be discussing about some of the most commonly used hardening laws that are available within Abaqus. Click here to read more.

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Engineering

MBSE

Dymola 2020x keyboard shortcuts for the ribbon

Dymola 2020x has an improved user interface. This blog post looks at the new keyboard shortcuts used to navigate the Dymola ribbon and select the tools.

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MBSE

Requirements for Effective Systems Modelling

Discover the essential steps for effective vehicle systems modeling in Dymola, from components validation to managing simulation data and troubleshooting crashes.

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MBSE

Why PID control gains need to be positive in feedback control

Understand why PID control gains must be positive for system stability, with a breakdown of proportional, integral, and derivative control using theory and simulation examples.

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Advanced Simulation

Adding Translucency for Enhanced Post Processing in Abaqus

In this blog post, we will discus the translucency feature to enhance the results presentation of our fea analyses from within Abaqus Visualization.

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Automatically Getting Derivatives of a Function in Dymola

By default, Dymola won't differentiate a non-inlinable function. The smoothOrder annotation is all that's needed to let Dymola take one or more derivatives, in many cases.

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Advanced Simulation

Getting Started with Abaqus Python Scripting

In this blog we will give you seven tips that may help when you are creating your first Abaqus python scripts, and be more efficient with it. Read more.

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Applying Derivatives to Functions in Dymola

Struggling with Dymola’s “Failed to reduce the DAE index” error? Discover why it happens and how Modelica derivative annotations can fix it

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