Asynchronous collision integrators: Explicit treatment of unilateral contact with friction and nodal restraints

SUMMARYThis article presents asynchronous collision integrators and a simple asynchronous method treating nodal restraints. Asynchronous discretizations allow individual time step sizes for each spatial region, improving the efficiency of explicit time stepping for finite element meshes with heterog...

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Vydané v:	International Journal for Numerical Methods in Engineering Ročník 95; číslo 7; s. 562 - 586
Hlavní autori:	Wolff, Sebastian, Bucher, Christian
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Chichester Blackwell Publishing Ltd 17.08.2013 Wiley Wiley Subscription Services, Inc
Predmet:	Constraints Contact Exact sciences and technology explicit Friction Fundamental areas of phenomenology (including applications) Hamiltonian Integrators Mathematical analysis Mathematical models Mathematics Mechanical contact (friction...) nonlinear dynamics Numerical analysis Numerical analysis. Scientific computation Partial differential equations, initial value problems and time-dependant initial-boundary value problems Physics Projection Sciences and techniques of general use Solid mechanics Structural and continuum mechanics time integration time integration, explicit variational methods Constraint Automatic mesh generation Modeling Adaptive method Finite element method System with n degrees of freedom variational methods Discretization contact Variational calculus nonlinear dynamics Numerical convergence Collision Step method Mechanical contact Contact surface explicit Time domain method Linear system Asynchronism Friction Equivalent circuit Unilateral Hamiltonian mechanics Hamiltonian Time integration time integration, explicit
ISSN:	0029-5981, 1097-0207, 1069-8299
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