Major Advances in Finite Element Model Technologyby Ted Belytschko, Northwestern Univ, United States,
Abstract: The evolution of finite elements is traced from the viewpoint of finite element shape functions and element-related techniques. Particular emphasis is placed on the isoparametric element, a milestone in element technology, and the subsequent resolution of its many bugs: looking, spurious singular modes, stress oscillations. An important offshoot of isoparametrices, the degenerated continuum shell element, is also discussed. In conclusion, some unresolved issues are summarized.
Subject Headings: Finite element method | Mathematical models | Shell structures | Structural analysis | Structural models | Structural members | Oscillations
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