[PDF] Top 20 Space-time mesh refinement for elastodynamic equations

... to space-time mesh refinement for the specific case of Maxwell’s equations (and more generally for linear wave propaga- tion ...mention for instance the work of ... Voir le document complet

... algorithm for the solution of frictional dynamic contact problems with locally refined ...geometries. For this, we have employed an overlapping do main decomposition with an independent fine mesh ... Voir le document complet

... φ(h) = h 4 ). We observe that, these values barely depend on δt; the cost of the control is uniformly bounded w.r.t. N . The size of the final state actually behaves like p φ(h), as proved in our results. Test #3. In ... Voir le document complet

... transport equations, one has to make simulations on large computational domains so as to follow the interesting part of the solution throughout the duration of the ...and time varying portion of the ... Voir le document complet

... µm for a structure of 1 ...tational time and memory ...strategy for coupling the LDC multigrid method with the ZZ estimator was already introduced in [3, ...results for the 2D plane strain ... Voir le document complet

... µm for a structure of 1 ...tational time and memory ...strategy for coupling the LDC multigrid method with the ZZ estimator was already introduced in [3, ...results for the 2D plane strain ... Voir le document complet

... a space semi-discrete test space, leading to a standard Galerkin ...test space is necessary in the Petrov–Galerkin ...us for instance notice that, for a constant-in-time and ... Voir le document complet

... the equations system by the Discontinuous Galerkin method based on centered fluxes in space, combined with a leap-frog scheme in ...discrete elastodynamic energy and the stability of the scheme, ... Voir le document complet

... of time is better understood as an abstraction, or specification, of a globally asynchronous network of locally synchronous ...programs for which these problems are decidable can be extended if we have at ... Voir le document complet

... views for different view- points are synthesized by combining depth maps; reconstruction is based on a specific triangulation ...the mesh connectivity coding is restricted to a specific triangulation ...the ... Voir le document complet

... words. space-time, parabolic, discretization, preconditioning, wavelet, multigrid AMS subject ...preconditioner for space-time simultaneous Petrov–Galerkin discretizations of linear ... Voir le document complet

... When the coefficients do not depend on (x, t), equation (1) becomes a classical homo- geneous monostable reaction-diffusion equation. The pioneering works on such equations are due to Kolmogorov, Petrovski and ... Voir le document complet

... results for generalized tran- sition waves solutions of space-time heterogeneous Fisher-KPP ...in space but otherwise depend in a fairly gen- eral fashion on time, we prove that such ... Voir le document complet

... implemented for electromagnetic FMM is based on a Sparse Approximate Inverse (SPAI) of A, defined as the matrix M minimizing ||I − M A|| F subject to sparsity constrains ...efficient for problems featuring ... Voir le document complet

... 4.6 Time foliation versus geodesic foliation While we work with a time foliation, we recall that the estimates corresponding to the bootstrap assumptions on χ and ζ have already been proved in the context ... Voir le document complet

... method for multigroup flux-limited dif- fusion in the RAMSES AMR code for astrophysical fluid dy- ...the time-implicit grey FLD solver of Commerçon et ...adaptive time- stepping strategy of ... Voir le document complet

... Mesh refinement with patches of finite elements Starting from an initial mesh on Ω , the classical residual based error estimate, defined by 20, is used to build an error map, which is t[r] ... Voir le document complet

... In [11] authors proposed approaches that use Matlab/Simulink for the system specification and that produce a VHDL RTL architecture of the system. Based on hardware macro generators that use the ... Voir le document complet

... To a large extent, producing electricity with a nuclear power plant resembles a lot how one produces energy with other types of power plants, in particular fossil fuel plants like the ones using coal or gas. The base ... Voir le document complet

... estimation, Mesh refinement ...element mesh may not be locally fine enough in order to take into account some localized ...with mesh adaptation is either not possible or hardly feasible, ... Voir le document complet