A quadratic plane triangular element immune to quadratic mesh distortions under quadratic displacement fields

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Author(s)

Detail(s)

Original languageEnglish
Pages (from-to)1207-1223
Journal / PublicationComputer Methods in Applied Mechanics and Engineering
Volume195
Issue number9-12
Publication statusPublished - 1 Feb 2006
Externally publishedYes

Abstract

A quadratic plane triangular element is developed extending the concepts of US-QUAD8 element. The element belongs to the broad class of Petrov-Galerkin formulation which is characterized by the choice of test and trial functions from different spaces. The performance of the proposed element has been studied for typical static and free vibration problems. The element exhibits a high degree of tolerance to mesh distortions as compared to the classical isoparametric quadratic triangular element. For undistorted meshes, however, the performance is similar to that of the classical element. © 2005 Elsevier B.V. All rights reserved.

Research Area(s)

  • 6-node triangular element, Distortion immune, Distortion tolerant, Mesh distortion, Quadratic triangular element, US-TRIA6

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