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- W2614619188 abstract "In engeneering practice we often deal with shell structures of complex geometry which forcely incorporate triangular elements when being meshed. Therefore, effective triangular shell elements (namely locking free and consistent) are of utmost interest. We have developed a numerical test aimed at detecting membrane locking and the existence of membrane spurious modes when designing MITC shell finite elements. The MITC6a element (formulated by Bathe and Lee) seems to be one of the best candidates of the MITC6 family, but it features some non-physical displacement modes with vanishing membrane strain energy that might considerably deteriorate the numerical solution. We propose a remedy based on a stabilized bilinear form by adding an unreduced shear term, and we also define the MITC6rs element that involves a richer interpolation for shear strains. In view of a detailed assessment, we advocate the use of some stabilization in the MITC6a formulation for engeneering practice." @default.
- W2614619188 created "2017-05-26" @default.
- W2614619188 creator A5089060703 @default.
- W2614619188 date "2006-11-28" @default.
- W2614619188 modified "2023-09-25" @default.
- W2614619188 title "ON THE RELIABILITY OF TRIANGULAR FINITE ELEMENTS FOR SHELLS" @default.
- W2614619188 hasPublicationYear "2006" @default.
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