An exact model reduction procedure for mechanical systems

S. L. Chen; M. Géradin

doi:10.1016/S0045-7825(96)01049-3

An exact model reduction procedure for mechanical systems

S. L. Chen, M. Géradin

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

This paper gives details of an exact model reduction procedure for the dynamic analysis of general mechanical systems. In this procedure, the system is first transformed into an equivalent one-dimensional (ID) lumped mass-spring-damping system by coordinate transformations. The 1D lumped system is further reduced into a lower order model with arbitrarily selected degrees of freedom. Three numerical examples are given for a distributed lumped mass-spring system, a truss frame structure and a cantilever plate.

Original language	English
Pages (from-to)	69-78
Number of pages	10
Journal	Computer Methods in Applied Mechanics and Engineering
Volume	143
Issue number	1-2
DOIs	https://doi.org/10.1016/S0045-7825(96)01049-3
State	Published - Apr 1997
Externally published	Yes

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10.1016/S0045-7825(96)01049-3

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title = "An exact model reduction procedure for mechanical systems",

abstract = "This paper gives details of an exact model reduction procedure for the dynamic analysis of general mechanical systems. In this procedure, the system is first transformed into an equivalent one-dimensional (ID) lumped mass-spring-damping system by coordinate transformations. The 1D lumped system is further reduced into a lower order model with arbitrarily selected degrees of freedom. Three numerical examples are given for a distributed lumped mass-spring system, a truss frame structure and a cantilever plate.",

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AB - This paper gives details of an exact model reduction procedure for the dynamic analysis of general mechanical systems. In this procedure, the system is first transformed into an equivalent one-dimensional (ID) lumped mass-spring-damping system by coordinate transformations. The 1D lumped system is further reduced into a lower order model with arbitrarily selected degrees of freedom. Three numerical examples are given for a distributed lumped mass-spring system, a truss frame structure and a cantilever plate.

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JO - Computer Methods in Applied Mechanics and Engineering

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An exact model reduction procedure for mechanical systems

Abstract

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