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A Geometrically Nonlinear Nine-Node Solid Shell Element Formulation with Reduced Sensitivity to Mesh Distortion

Keejoo Lee1, Chahngmin Cho2, Sung W. Lee1

Department of Aerospace Engineering, University of Maryland College Park, MD, U.S.A.
Currently at ADD, Daejon, Korea

Computer Modeling in Engineering & Sciences 2002, 3(3), 339-350. https://doi.org/10.3970/cmes.2002.003.339

Abstract

A geometrically nonlinear assumed strain formulation is introduced in conjunction with bubble function displacements to improve the performance of a nine-node solid shell element. The assumed strain field has been carefully selected to avoid both element locking and undesirable spurious kinematic modes. The results of numerical tests demonstrate that the present approach leads to an element that is significantly less sensitive to mesh distortion than the existing element.

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APA Style
Lee, K., Cho, C., Lee, S.W. (2002). A geometrically nonlinear nine-node solid shell element formulation with reduced sensitivity to mesh distortion. Computer Modeling in Engineering & Sciences, 3(3), 339-350. https://doi.org/10.3970/cmes.2002.003.339
Vancouver Style
Lee K, Cho C, Lee SW. A geometrically nonlinear nine-node solid shell element formulation with reduced sensitivity to mesh distortion. Comput Model Eng Sci. 2002;3(3):339-350 https://doi.org/10.3970/cmes.2002.003.339
IEEE Style
K. Lee, C. Cho, and S.W. Lee "A Geometrically Nonlinear Nine-Node Solid Shell Element Formulation with Reduced Sensitivity to Mesh Distortion," Comput. Model. Eng. Sci., vol. 3, no. 3, pp. 339-350. 2002. https://doi.org/10.3970/cmes.2002.003.339



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