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JSCIC
2010
178views more  JSCIC 2010»
13 years 2 months ago
A Compact Fourth Order Scheme for the Helmholtz Equation in Polar Coordinates
In many problems, one wishes to solve the Helmholtz equation in cylindrical or spherical coordinates which introduces variable coefficients within the differentiated terms. Fourth ...
S. Britt, S. Tsynkov, Eli Turkel
FOCM
2002
140views more  FOCM 2002»
13 years 7 months ago
Adaptive Wavelet Methods II - Beyond the Elliptic Case
This paper is concerned with the design and analysis of adaptive wavelet methods for systems of operator equations. Its main accomplishment is to extend the range of applicability...
Albert Cohen, Wolfgang Dahmen, Ronald A. DeVore
MOC
2002
93views more  MOC 2002»
13 years 7 months ago
Conjugate gradient method for dual-dual mixed formulations
We deal with the iterative solution of linear systems arising from so-called dual-dual mixed finite element formulations. The linear systems are of a two-fold saddle point structur...
Gabriel N. Gatica, Norbert Heuer
CAD
2007
Springer
13 years 7 months ago
Direct extraction of surface meshes from implicitly represented heterogeneous volumes
This paper describes a novel algorithm to extract surface meshes directly from implicitly represented heterogeneous models made of different constituent materials. Our approach ca...
Charlie C. L. Wang
FECS
2006
142views Education» more  FECS 2006»
13 years 9 months ago
CFD Graphical Interface in Matlab
- The use of computational methods for solving partial differential equations in the field of Heat Transfer is crucial. However, the actual user friendly commercial applications, f...
Tiago Pinho, Senhorinha Teixeira