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  1. modelica - How to use an initial equation to determine parameter …

    Jun 27, 2024 · By default, parameters need to be computed when they are declared (=binding equation). There is a possibility though e.g. mentioned in Modelica Specification Section 4.4.3. By adding …

  2. simulink - Modelica vs Simscape - Stack Overflow

    Sep 11, 2017 · However, Modelica isn't the only option here. There is also Simscape, using which you can combine physical ports (as in Modelica) with block-based modeling of Simulink. I would like to …

  3. modelica - OpenModelica water hammer model - result not what I am ...

    Oct 30, 2024 · I'm trying to learn how to use OpenModelica. For a while, I have been trying to make a simple model to simulate the water hammer effect caused by a valve suddenly closing in a system of …

  4. modelica - Define Model Parameter as Variable - Stack Overflow

    Apr 4, 2017 · Modelica.Thermal.HeatTransfer.Components.ThermalConductor TopPanelConductor(G=WallConductance); I would like to define "G" so that it remains constant …

  5. modelica - How do I fix the error, "Model is structurally singular ...

    Mar 14, 2019 · This is one of the most common errors I receive when working with OpenModelica Software. I already understand how this error is usually triggered, when system ...

  6. modelica - Set Parameter based on start/initial value of Continuous ...

    Jun 11, 2019 · You could introduce parameters for setting the start values, might look less elegant, then calculating the offset is easy, and it introduces the possibility to set start values from the parameter …

  7. modelica - Mole fraction of mixed gas - Stack Overflow

    Mar 21, 2025 · (1)Modelica.Fluid.Sensors.MassFractions (2)Modelica.Media.Interfaces.PartialMixtureMedium.massToMoleFractions It would be helpful if you …

  8. modelica - External Functions: Reference headers in C-script to ...

    Referencing compiled library headers from c-scripts that are called by a Modelica external function call is possible. However, it is still not determined if there is an efficient method to access the .dll.

  9. fluid - How to add a fan with a fan curve to a set of air ducts in ...

    Mar 23, 2023 · I am trying to model a network of pipes that will transport air in Openmodelica Fluid library. I tried the "Pump", "ControlledPump" and "PrescribedPump" from Fluid.Mac...

  10. modelica - Redeclare model with "outer" parameters - Stack Overflow

    Nov 15, 2021 · I tried redeclare model that contain global (outer) parameter. Here simple example of my code: package tests model M0 inner parameter Real a = 1; end M0; model M1 extends tests.M0; …