Continuous/discrete modeling and analysis of elastic planar multi-body systems

Zine Eddine Boutaghou, Kumar K Tamma, Arthur G Erdman

Research output: Contribution to journalConference articlepeer-review


This paper describes the modeling and analysis of continuous/discrete multi-body systems with emphasis on applications to elastic planar closed-loop systems. Whereas the continuous formulations presented here can be applied to simplified models (with less effort) to help isolate the dominant factors for parametric evaluations in preliminary analysis studies, on the other hand, the finite element formulations described herein, are in general, applicable for more complex geometries and larger problems. In this regard, an explicit self-starting velocity-based time integration architecture is employed for the numerical simulation of multi-body dynamics with several inherent attractive features. Numerical test cases for planar multi-body dynamic situations employing the Timoshenko beam theory are presented from a generalized viewpoint in conjunction with the present formulations to validate the applicability of the proposed formulations.

Original languageEnglish (US)
Pages (from-to)2101-2109
Number of pages9
JournalCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Issue numberpt 4
StatePublished - 1990
Event31st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Part 3 (of 4): Structural Dynamics I - Long Beach, CA, USA
Duration: Apr 2 1990Apr 4 1990

Bibliographical note

Funding Information:
Acknowledgements-Thirse searchis supportedi,n part, by the MINnesota TechnologyT ransferI nc., the Productivity Centero f the MechanicalE ngineeringD epartmentU, niver-sity of Minnesota,M N, and the NASA LangleyR esearch Center,H ampton,V A. This paperw asp resenteda s AIAA-90-l 126a t the AIAA SDM ConferenceL, ong Beach,C A in April 1990.


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