Transcription of Introduction to the Extended Finite Element Method
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Introduction to the Extended Finite Element Method
Konstantinos Agathos Dipl. Civil Eng. Aristotle University of Thessaloniki Prof. Dr. Eleni Chatzi, Chair of Structural Mechanics, IBK, D-BAUG Institute of Structural Engineering 1 Introduction to the Extended Finite Element Method Method of Finite elements II The Extended Finite Element Method (XFEM) is a numerical Method , based on the Finite Element Method (FEM), that is especially designed for treating discontinuities. Discontinuities are generally divided in strong and weak discontinuities. Institute of Structural Engineering 2 Introduction Method of Finite elements II Strong discontinuities are discontinuities in the solution variable of a problem. In structures, the solution variable is usually the displacements so strong discontinuities are displacement jumps, cracks and holes.
The Extended Finite Element Method (XFEM) is a numerical method, based on the Finite Element Method (FEM), that is especially designed for treating discontinuities.
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