The steps covered in part one are:
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computeInitialFiberEquillibrium()
The function computeInitialFiberEquilibrium() computes values of the muscle states assuming the muscle is in an equilibrium state. It is typically called for each muscle before beginning a dynamic simulation. In our muscle class, this function initializes the new states to reasonable values prior to simulation.
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/* Determine the initial state values based on initial fiber equlibrium. */
void FatigableMuscle::computeInitialFiberEquilibrium(SimTK::State& s) const
{
// initialize th target activation to be the actual.
setTargetActivation(s, getActivation(s));
// assume that all motor units can be activated initially and there is
// no appreciable fatigue
setActiveMotorUnits(s, 1.0);
setFatiguedMotorUnits(s, 0.0);
// Compute the fiber & tendon lengths according to the parent Muscle
Super::computeInitialFiberEquilibrium(s);
} |
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Next: Custom Muscle Model Part Two Previous: Creating a Customized Muscle Model Home: Scripting and Development | Developer's Guide | Adding New Functionality |