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A Hierarchical Method To Solve Dynamic Differential Equation
Pages: 20-24
Year: Issue:  3
Journal: Aerospace Control

Keyword:  DynamicsIterationComputation;
Abstract: The dynamics equations described a multibody system can be presented at aform of Aq = B. Calculating matrix A-1 is a simple way to solve these kinds of differentialequations. Matrix A will be in the ill condition if the system is configurated as a main bodywith small mass subsystems. A hierarchical method is given in this paper to avoid this prob-lem. The method omits a sevies of formula expanding steps. It is also sueful to reduce theinfluence of the stiff problem. The calculation progress is modular and structural.
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