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A Criterion on Inclusion of Stress Stiffening Effects in Flexible Multibody Dynamic System Simulation by Jeha Ryu; Sang-Sup Kim; Sung-Soo Kim is a Engineering article available to read on EtoBox.

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This paper presents a criterion on inclusion of stress stiffening effects in dynamic simulation of flexible multibody systems. The proposed criterion examines numerically the eigenvalue variation of the total modal stiffness matrix that is a combination of the modal stress stiffness matrix and the conventional linear modal stiffness matrix prior to actual dynamic simulation. If the variation is sufficiently large for any flexible body in the multibody system, then stress stiffening effects must be included in dynamic simulation of flexible multibody systems for accurate prediction of dynamic behavior. Since the criterion uses the most general stress stiffness matrix contributed from applied and constraint reaction loads as well as from a system of 12 inertial loads, this criterion is applicable to any general flexible multibody dynamic system. Several numerical results are presented to show the effectiveness of the proposed criterion.

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Author

Jeha Ryu; Sang-Sup Kim; Sung-Soo Kim

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0045-7949)

Published

1997

Language

EN

Field

Engineering (Physical Sciences)