Computer Methods in Applied Mechanics and Engineering
A posteriori error estimation of h-p finite element approximations of frictional contact problems
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Skew-symmetric Nitsche's formulation in isogeometric analysis: Dirichlet and symmetry conditions, patch coupling and frictionless contact
2018, Computer Methods in Applied Mechanics and EngineeringEquilibration techniques for solving contact problems with Coulomb friction
2012, Computer Methods in Applied Mechanics and EngineeringCitation Excerpt :To enhance the performance adaptive techniques based on a posteriori error estimators play an important role and are well-established for finite element methods, see [41–44] and the references therein. For abstract variational inequalities, we refer to [45–47], whereas obstacle type problems are considered in [48–51], and early approaches for contact problems can be found in [52–58]. The work is structured as follows: In Section 2, the governing equations and corresponding inequality constraints for frictional contact problems are stated and reformulated as discrete non-smooth equalities.
An adaptive NS/ES-FEM approach for 2D contact problems using triangular elements
2011, Finite Elements in Analysis and DesignCitation Excerpt :Since numerical methods for contact problems yield approximate solutions, it is necessary to control the errors inherited in the method. Based on error estimating and mesh regenerating, the adaptive techniques can provide a desirable numerical solution for contact problems in the content of finite element method (FEM) [1–11]. For FEM model creation, triangular elements are often preferred because of simplicity and strong adaptability for complex boundary.
A posteriori error analysis for the normal compliance problem
2010, Applied Numerical MathematicsOn the adaptive finite element method of steady-state rolling contact for hyperelasticity in finite deformations
2002, Computer Methods in Applied Mechanics and EngineeringA computational methodology for shape optimization of structures in frictionless contact
2001, Computer Methods in Applied Mechanics and EngineeringCitation Excerpt :How to perform adaptive FEM for frictionless contact problems is still to date largely an open question. A few methods have been developed, see e.g. [17–19]. We have good numerical experiences with the techniques described below.