Titlebook: Numerical Treatment of Coupled Systems; Proceedings of the E Wolfgang Hackbusch,Gabriel Wittum Conference proceedings 1995 Friedr. Vieweg &

Mercantile

,Numerical Solution of the Neutron Diffusion Equation—Adaptive Concepts in Time and Space,cussed and closely related adaptive concepts are presented. For a 2-D model problem some numerical results are given. Finally, the use of adaptive hybrid mixed finite element discretizations is considered for 3-D calculations on a rectangular geometry and an implementational concept is shortly presented.

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Coupling of a global coarse discretization and local fine discretizations,e effect of the local defect correction step the local discretization error is discussed. If the defect correction step is performed at the correct places then the accuracy of the resulting approximation is in agreement with the resolution of the composite grid. Numerical examples illustrate the theoretical insights.

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FLACK

A Numerical Scheme for Stress Waves at a Fluid-Solid Interface,quid side is coupled with a Godunov-type method for elastic-plastic waves in solids. Applying the contact conditions an interative convergent scheme is obtained. Numerical results are presented for a plane problem with a cylindrical shock wave developing in the liquid.

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Numerical Simulation of Temperature Distribution and Seam Forming in Narrow Gap Welding, employed. The system is solved using a stabilized finite element method of Galerkin/least-squares type. Numerical results for examples are given. Furthermore we discuss the robustness of the numerical method.

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Coupled Geometric Modelling for the Analysis of Groundwater Flow and Transport in Fractured Rock,al elements for fracture planes). These methods are based on the Delaunay triangulation. Therefore they can be applied to arbitrary convex domains consisting of a set of convex subdomains surrounded by fracture planes.

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genuine

0179-9614 ing the algorithmic treatment of partial differential equations. The topics are discretisation methods like the finite element and the boundary element method for various type of applications in structural and fluid mechanics. Particular attention is devoted to the advanced solution methods. The ser

FECT

Parallel Solvers for coupled FEM-BEM equations with applications to non-linear magnetic field problng it into a symmetric but indefinite matrix and applying Bramble/Pasciak’s CG for indefinite systems. For preconditioning, the main ideas of recent DD research are applied..Test computations on a Power Xplorer parallel system were performed for model problems.

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Conference proceedings 1995oupling of subsystems can be generated by the numerical solution technique. General examples of the latter kind are the domain decomposition (see p. 128) or subspace decomposition (p. 117). The local defect correction method couples different discretizations of the same problem in order to improve t