VelocityTerms
2D/3D• VelocityTerms[cnum] returns the part of the right-hand term of the current velocity constraint expressions associated with constraint cnum.
• The cnum argument can take any of the forms accepted by Constraints to obtain velocity terms from multiple constraints. • VelocityTerms[All] returns the entire vector of velocity terms.
• Jacobian[cnum, All] . Velocity[All] + VelocityTerms[cnum] returns the entire velocity constraint expression associated with constraint cnum.
• The VelocityTerms are formed by differentiating the constraint vector with respect to time and discarding the components that are a linear function of the velocity coordinates.
• See also: AccelerationTerms. Further Examples Load the Modeler2D package and define a simple model. Here are the velocity terms associated with the entire constraint vector. Only the RotationLock1 constraint has a nonzero velocity term because it is the only constraint with an explicit time dependence.
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Here is the entire velocity constraint expression associated with the RotationLock1 constraint.
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This shows that the velocity expression is zeroed by a solution to the model.
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See HelpModel2D.
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