NONLINEAR ANALYSIS OF PLANE FRAMES USING A COROTATIONAL FOMULATION AND PLASTICITY BY LAYERS IN A TIMOSHENKO BEAM EL-EMENT

NONLINEAR ANALYSIS OF PLANE FRAMES USING A COROTATIONAL FOMULATION AND PLASTICITY BY LAYERS IN A TIMOSHENKO BEAM EL-EMENT

Silva, Sebastião Simão da; Silva, William Taylor Matias

Full Article:

The purpose of this work is to perform a nonlinear analysis of plane frame struc-ture using a corotational formulation and a layered plastic modeling. The plane frame is dis-cretized with a 2D Timoshenko beam element. Plasticity is introduced by rate-independent Von-Mises model with isotropic hardening. Numerical integration over the cross-section is performed for obtain the internal force vector and tangent stiffness matrix of these elements. At each integration point, the backward-Euler algorithm is used for integration in the consti-tutive equations. Some examples are used in order to check the performances in the elements and the path-following procedures.

The purpose of this work is to perform a nonlinear analysis of plane frame struc-ture using a corotational formulation and a layered plastic modeling. The plane frame is dis-cretized with a 2D Timoshenko beam element. Plasticity is introduced by rate-independent Von-Mises model with isotropic hardening. Numerical integration over the cross-section is performed for obtain the internal force vector and tangent stiffness matrix of these elements. At each integration point, the backward-Euler algorithm is used for integration in the consti-tutive equations. Some examples are used in order to check the performances in the elements and the path-following procedures.

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DOI: 10.5151/meceng-wccm2012-19070

Referências bibliográficas

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Como citar:

Silva, Sebastião Simão da; Silva, William Taylor Matias; "NONLINEAR ANALYSIS OF PLANE FRAMES USING A COROTATIONAL FOMULATION AND PLASTICITY BY LAYERS IN A TIMOSHENKO BEAM EL-EMENT", p-2900-2918. In: In Proceedings of the 10th World Congress on Computational Mechanics [= Blucher Mechanical Engineering Proceedings, v. 1, n. 1]. São Paulo: Blucher, 2014.
ISSN 23580828, DOI 10.5151/meceng-wccm2012-19070