ABSTRACT
The physical laws that govern motion of individual components of mechanical assemblages are well-known. Thus, on the face of it, the concept of a general computer-aided-design program for mechanical system design appears straightforward. However, both the equation formulation and the numerial solution of these equations pose challenging problems for dynamic systems: the former when three-dimensional effects are important, and the latter when the equations become "stiff" or when different types of analyses are to be performed.
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