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Questions tagged [openmodelica]

OpenModelica is an open-source Modelica-based modeling and simulation environment.

OpenModelica is an open-source Modelica-based modeling and simulation environment intended for industrial and academic usage. Its long-term development is supported by a non-profit organization – the Open Source Modelica Consortium (OSMC).

The goal with the OpenModelica effort is to create a comprehensive Open Source Modelica modeling, compilation and simulation environment based on free software distributed in binary and source code form for research, teaching, and industrial usage.

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FMU machine learning model

I had some success in deploying my machine learning model (already trained) in a simulation environment (OpenModelica, in this context) via an external C-function. However, to standardise the process, I am aiming to use the FMI standard instead of…
philgun
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Generating two random time depedant veariables with different sample periods

Following this question, I'm trying to generate two time-dependent random functions omega1 and tau using this example. The difference is that I need to have two different sample periods of 0.05 and 0.17 for omega1 and tau respectively. I just…
Foad S. Farimani
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OMSimulator PreCompiled Binaries

I can find OMSimulator-Win 64 bit pre compiled binaries. Where can I find the OMSimulator-Win 32 bit pre-compiled binaries on the github? Thanks
kar
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Modelica Flow Simulation says divide by zero

I am trying to simulate the flow in a pipe that starts out partially full, and gradually fills up. Once it is full, the flow equation needs to change. I have tried the following code, but I get a divide by zero error once the pipe is full. …
Adam
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How to extract values from algorithm section?

I'm working with parabolic PDE's mixed with algebraic equation plus all these equation are coupled. I used Euler Method (Dassl is too slow) and big tolerance(for fast simulation) and recive error (for both types) in OM(1.9.1)(" residualFcn[some…
Anel
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What is the problem with this model ? 4D matrix interpolation

I want to create a 4d matrix and interpolate. Dymola shows me this error for all interp values. interpX1 (line 40, column 10: erstellte_Bauteile.QuadriLinearInterpolation) Expected one…
Alex
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Error: Compilation of C code failed - Modelica

when I compile my code in Modelica, I get following error: Command Compile failed with following error: User error: ERROR: java exception in com.modelon.oct.modelica.api.InternalAPIException with message: Compilation of generated C code failed I…
alimuradpasa
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