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modelicajmodelica
Richard
Richard

Reputation: 61289

Set Modelica Derivative Units

I know I can define parameter units like so:

parameter Modelica.SIunits.Mass m0 = 2 "Mass";

And the units of state variables like so:

Real m(start=m0, fixed=true, min=0, max=100, unit="kg");

But how can I define the units of a derivative? (Or are these generated automatically? It may be that JModelica, which I am using, simply does not check units.)

der(m) = m*u;

Upvotes: 1

Views: 85

Answers (1)

Dietmar Winkler
Dietmar Winkler

Reputation: 927

Dymola does this automatically for you. OpenModelica does not. So I guess it's probably something also missing in JModelica.org.

Upvotes: 2

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