labfans
2009-04-09, 02:47
All but the simplest rigid-body machines are designed to operate within kinematic constraints that restrict the motion of machine components independently of the forces imposed upon them. These constraints can be time-varying (rheonomic) or time-invariant (scleronomic). Dynamic analysis of these systems requires implementing such constraints between pairs of bodies. The equations representing them are typically higher-index differential algebraic equations that are very challenging to solve.
更多... (http://www.mathworks.com/company/newsletters/digest/2006/sept/simple_machines.html)
更多... (http://www.mathworks.com/company/newsletters/digest/2006/sept/simple_machines.html)