FMI2.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<fmiModelDescription
  fmiVersion="2.0"
  modelName="Van der Pol oscillator"
  description="This model implements the van der Pol oscillator"
  guid="{8c4e810f-3da3-4a00-8276-176fa3c9f000}"
  numberOfEventIndicators="0">

  <ModelExchange modelIdentifier="VanDerPol">
    <SourceFiles>
      <File name="all.c"/>
    </SourceFiles>
  </ModelExchange>

  <CoSimulation modelIdentifier="VanDerPol" canHandleVariableCommunicationStepSize="true">
    <SourceFiles>
      <File name="all.c"/>
    </SourceFiles>
  </CoSimulation>

  <LogCategories>
    <Category name="logEvents" description="Log events"/>
    <Category name="logStatusError" description="Log error messages"/>
  </LogCategories>

  <DefaultExperiment startTime="0" stopTime="20" stepSize="1e-2"/>

  <ModelVariables>
    <ScalarVariable name="x0" valueReference="0" description="the first state" causality="output" variability="continuous" initial="exact">
      <Real start="2"/>
    </ScalarVariable>
    <ScalarVariable name="der(x0)" valueReference="1" causality="local" variability="continuous" initial="calculated">
      <Real derivative="1"/>
    </ScalarVariable>
    <ScalarVariable name="x1" valueReference="2" description="the second state" causality="output" variability="continuous" initial="exact">
      <Real start="0"/>
    </ScalarVariable>
    <ScalarVariable name="der(x1)" valueReference="3" causality="local" variability="continuous" initial="calculated">
      <Real derivative="3"/>
    </ScalarVariable>
    <ScalarVariable name="mu" valueReference="4" causality="parameter" variability="fixed" initial="exact">
      <Real start="1"/>
    </ScalarVariable>
  </ModelVariables>

  <ModelStructure>
    <Outputs>
      <Unknown index="1" dependencies=""/>
      <Unknown index="3" dependencies=""/>
    </Outputs>
    <Derivatives>
      <Unknown index="2" dependencies="3" dependenciesKind="constant"/>
      <Unknown index="4" dependencies="1 3" dependenciesKind="dependent dependent"/>
    </Derivatives>
    <InitialUnknowns>
      <Unknown index="2" dependencies="3" dependenciesKind="constant"/>
      <Unknown index="4" dependencies="1 3 5" dependenciesKind="dependent dependent dependent"/>
    </InitialUnknowns>
  </ModelStructure>

</fmiModelDescription>