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Welcome to our central forum for detailed technical information and updates. Our experts regularly post on topics such as advanced simulation, digital engineering, and product lifecycle management.
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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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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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MBSE
Working with packages: disabling storing packages as one file, refreshing packages, locking and unlocking packages
Learn how to manage packages in Dymola by disabling single-file storage, enabling version control with SVN, and using refresh, lock, and unlock features for improved workflow.
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MBSE
Using the record to reduce the number of ‘input’ calls in the Modelica function
Learn how to use Modelica Records in Dymola to group function inputs and reduce clutter in function interfaces. Improve readability and structure in Modelica functions by consolidating input parameters into organized records.
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MBSE
Using the onboard eigenvalue function
Learn how to use Dymola’s built-in eigenvalue function (Modelica.Math.Matrices.eigenValues) to analyse linear systems. Explore eigenvectors, phase portraits, and practical engineering interpretation of system dynamics.
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MBSE
Where to start when trying to improve simulation speed
Learn how to improve simulation speed in Dymola by identifying and reducing events, with a practical example from engine heat transfer modelling and optimisation techniques.
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