Adaptive radial basis function–generated finite differences method for contact problems
Sign Up to like & getrecommendations! Published in 2019 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6067
Abstract: This paper proposes an original adaptive refinement framework using Radial Basis Functions-generated Finite Differences method. Node distributions are generated with a Poisson Disk Sampling-based algorithm from a given continuous density function, which is altered during… read more here.
Keywords: radial basis; generated finite; finite differences; differences method ... See more keywords
A parametric knot adaptation approach to isogeometric analysis of contact problems
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DOI: 10.1007/s00366-020-01073-0
Abstract: In this paper, an adaptive approach is presented to deal with isogeometric analysis of contact problems. Suggestion of an isogeometric adaptive refinement strategy for contact problems is the subject of this paper. Refinements are performed… read more here.
Keywords: analysis contact; isogeometric analysis; contact problems; approach ... See more keywords
On the control of time discretized dynamic contact problems
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DOI: 10.1007/s10589-017-9918-5
Abstract: We consider optimal control problems with distributed control that involve a time-stepping formulation of dynamic one body contact problems as constraints. We link the continuous and the time-stepping formulation by a nonconforming finite element discretization… read more here.
Keywords: control time; time discretized; discretized dynamic; time ... See more keywords
An adaptive mesh refinement approach for solving non-Hertzian elastic contact problems
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DOI: 10.1007/s11012-017-0806-y
Abstract: Semi-analytical methods are a common way of solving non-hertzian contact problems when designing mechanical components. These methods require of the discretization of the domain into a set of pressure elements and their accuracy and computational… read more here.
Keywords: contact; adaptive mesh; computational cost; non hertzian ... See more keywords
Cone complimentary-based numerical manifold method modeling frictional and cohesive contact problems
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DOI: 10.1016/j.apm.2020.08.019
Abstract: Abstract An unconditionally stable cone complementary formulation is established in this study for modeling frictional and cohesive contact problems. In order to simulate continuous and discontinuous media within a unified framework, the proposed cone complementary… read more here.
Keywords: frictional cohesive; numerical manifold; cohesive contact; contact problems ... See more keywords
Symmetrical node-to-node formulation for thermal contact problems between non-conforming or non-matching meshes
Sign Up to like & getrecommendations! Published in 2019 at "Finite Elements in Analysis and Design"
DOI: 10.1016/j.finel.2019.05.003
Abstract: Abstract The aim of this paper is to propose a symmetrical finite element formulation for the numerical treatment of thermal contact problems without any constraint on the shape, size and order of approximation of the… read more here.
Keywords: contact problems; contact; formulation; symmetrical node ... See more keywords
Surface effect in axisymmetric Hertzian contact problems
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DOI: 10.1016/j.ijsolstr.2018.06.019
Abstract: Abstract Surface effect in three different axisymmetric Hertzian contact models is investigated in this paper with a recently developed elastic theory for nanostructured materials, including a Boussinesq problem, contact problem between a rigid flat-ended cylindrical… read more here.
Keywords: contact; surface effect; contact problems; axisymmetric hertzian ... See more keywords
Variational inequality with almost history-dependent operator for frictionless contact problems
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mathematical Analysis and Applications"
DOI: 10.1016/j.jmaa.2019.123803
Abstract: Abstract We study two quasistatic contact problems which describe the frictionless contact between a body and deformable foundation on an infinite time interval. The contact is modelled by the normal compliance condition with limited penetration… read more here.
Keywords: almost history; history dependent; contact problems; variational inequality ... See more keywords
Half-plane partial slip contact problems with a constant normal load subject to a shear force and differential bulk tension
Sign Up to like & getrecommendations! Published in 2018 at "Journal of The Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2018.05.017
Abstract: Abstract This article provides a new form of solution to half-plane contact problems in partial slip where a normal load has been applied, held constant and is subsequently loaded with both a shear force and… read more here.
Keywords: contact; half plane; solution; normal load ... See more keywords
Analysis of contact problems of porous thermoelastic solids
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DOI: 10.1080/01495739.2017.1422998
Abstract: ABSTRACT In this article, we study a contact problem between a one-dimensional porous thermoelastic layer and a rigid obstacle. The mechanical problem consists of a coupled system of two hyperbolic partial differential equations and a… read more here.
Keywords: thermoelastic solids; analysis contact; porous thermoelastic; contact problems ... See more keywords
Residual-based a posteriori error estimation for contact problems approximated by Nitsche’s method
Sign Up to like & getrecommendations! Published in 2018 at "Ima Journal of Numerical Analysis"
DOI: 10.1093/imanum/drx024
Abstract: We introduce a residual-based a posteriori error estimator for contact problems in two and three dimensional linear elasticity, discretized with linear and quadratic finite elements and Nitsche's method. Efficiency and reliability of the estimator are… read more here.
Keywords: nitsche method; residual based; based posteriori; contact problems ... See more keywords