A general technique to embed non-uniform discontinuities into standard solid finite elements
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A general technique to embed non-uniform displacement discontinuities into standard solid finite elements is presented. The technique is based on the decomposition of the kinematic fields into a component related to the deformation of the solid portion of the element and one related to the rigid-body motion due to a displacement discontinuity. This decomposition simplifies the incorporation of discontinuity interfaces and provides a suitable framework to account for non-uniform discontinuity modes. The present publication addresses two families of finite element formulations: displacement-based and stress hybrid finite element. © 2005 Elsevier Ltd. All rights reserved.
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Embedded discontinuity, Finite elements, Non-uniform discontinuity modes, Stress hybrid element, Stress locking, Strong discontinuity, Decomposition, Deformation, Finite element method, Interfaces (materials), Kinematics, Stresses, Embedded systems
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Inglês
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Computers and Structures, v. 84, n. 10-11, p. 742-757, 2006.
