world.g override does not propagate

[crupp@…]

When overriding world.g, the override does not propagate to models from Modelica.Mechanics.MultiBody. Consider this example:

loadModel(Modelica);

simulate(Modelica.Mechanics.MultiBody.Examples.Elementary.Pendulum, simflags="-override world.g=1.0");

// Override works here
val(world.g, 0);
// Does not work here, should also be 1.0
val(body.g_0[2], 0);

The defect seems to stem from the replaceable function gravityAcceleration in MultiBody.Parts.Body. If this function is replaced with world.g*world.n then the override works as expected.

Tested in r24986.

[Adrian Pop]

Yes. Unfortunately in some cases we replace the parameter with its value even if we should do that only for structural parameters (array sizes, conditions of conditional components, etc).

[crupp@…]

Seems to be working now. I'll close it so that you don't need to worry about it any more.