Questions on Wolfram SystemModeler, an environment for the modeling of systems with mechanical, electrical, thermal, chemical, biological, and other components, as well as combinations of different types of components.

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Building an arch in SystemModeler

I'm trying to learn SystemModeler and struggling a little... Building on the chain pendulum example from Wolfram, I've happily made a chain with revolute joints with spring/dampeners connecting the ...
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Parameters for modelica booleanExpression?

In SystemModeler, left-hand side, Libraries > Modelica > Blocks > Examples > ShowLogicalSources, we see a diagram with several disconnected blocks: The ...