Comparison of component cost methods for component model reduction
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abstract
Large scale mechanical systems are composed of interconnected dynamic components. This paper seeks to simplify the model of each dynamic component so that the overall system is a manageable size. Models of components are reduced so as to approximate the response of all components and the nonworking constraint forces acting on all components. The technique is an extension of component cost analysis which decomposes the norm of the response vector (in this case the response and the vector of non-working constraint forces) into contributions can coordinate of each component. In this way the coordinates can be ranked according to their contribution and deleted accordingly.