JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.7 P.552-560

Analysis of the penalty version of the Arlequin framework for the prediction of structural responses with large deformations

Author(s): Hua Qiao, Wei-qiu Chen
Affiliation(s): Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China
Corresponding email(s): chenwq@zju.edu.cn
Key Words: Global/Local analysis, Geometric nonlinear analysis, Penalty-based Arlequin method, User defined element

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Abstract: The Arlequin framework proposed by Ben Dhia in 1998 is a flexible and robust method for conducting global/Local analysis of structures and materials. A penalty version of the Arlequin framework for the study of structural problems involving large deformation is considered here. The implementation of the penalty-based Arlequin framework into ABAQUS is then explored and the corresponding Arlequin user element subroutine is developed. Geometric nonlinear simulations of a cantilever beam and a shallow arch are conducted and the choice of the coupling operator with an appropriate penalty parameter is studied. The numerical results justify the feasibility of the proposed method, ensuring its further application to more complicated problems involving geometric or material nonlinearities.

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