نتایج جستجو برای: unstructured meshes

تعداد نتایج: 27046  

1996
D C Hodgson P K Jimack

In this paper we introduce a method for generating unstructured meshes in parallel which are partitioned in a \good" way. When solving a partial dierential equation on a parallel distributed memory machine, the mesh should be decomposed so that the communication requirement of the numerical solver is minimised and also the amount of work to be performed on each processor is approximately equal....

1995
M. S. Shephard J. E. Flaherty H. L. de Cougny C. Ozturan C. L. Bottasso

Consideration is given to the techniques required to support adaptive analysis of automatically generated unstructured meshes on distributed memory MIMD parallel computers. The key areas of new development are focused on the support of effective parallel computations when the structure of the numerical discretization, the mesh, is evolving, and in fact constructed, during the computation. All t...

Journal: :Comput. Geom. 1999
Leif Kobbelt Jens Vorsatz Hans-Peter Seidel

The use of polygonal meshes for the representation of highly complex geometric objects has become the de facto standard in most computer graphics applications. Especially triangle meshes are preferred due to their algorithmic simplicity, numerical robustness, and efficient display. The possibility to decompose a given triangle mesh into a hierarchy of differently detailed approximations enables...

2006
Steven P. Callahan

Visualization of time-varying volume data is essential for understanding the results of scientific simulations. Interactive exploration of these datasets is a challenging problem since the data is often unstructured and may contain many time and domain field instances. We propose an adaptive framework for interactively volume rendering large dynamic unstructured meshes on a commodity PC by effi...

Journal: :International Journal for Numerical Methods in Fluids 2015

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