# Laplace or Stokes equations solver by Boundary Elements Method

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 December 27, 1999, 06:15 Laplace or Stokes equations solver by Boundary Elements Method #1 Lemonnier Guest   Posts: n/a Sponsored Links Is there any free software to solve Laplace or Stokes equation by the boundary element method. Brebbia and his coworkers have publish a certain number of books those I've read only address 2D oversimplified potential problems. Axisymmetric problems or 3D problems are very seldom described in detail.

 December 27, 1999, 15:40 Re: Laplace or Stokes equations solver by Boundary Elements Method #2 Adrin Gharakhani Guest   Posts: n/a I would prefer to use P.K Banerjee as the source for boundary element methods (the person who coined BEM). The Boundary Element Methods in Engineering, 1994 is a good reference material. Of course, no (BEM) book will spell out how to solve 3D problems (by giving a code). Both Brebbia and Banerjee sell their commercial codes (of course they're not interested in giving out codes for free!) On the technical side - What kind of boundary conditions and what kind of interior field (properties) are you interested in? Adrin Gharakhani

 December 28, 1999, 06:02 Re: Laplace or Stokes equations solver by Boundary Elements Method #3 Lemonnier Guest   Posts: n/a Thank you for your advice concerning Banerjee's text. To answer you your question, I am interested in direct or inverse problems both any kind of boundary conditions (Neumann Dirichlet or mixed nonlinear or linear) The problems I deal with range from electricity to heat conduction (steady or unsteady) or viscous flows. I already have written my own codes for Laplace equations in 2D, 3D axi or 3D and a colleague of mine have developped analogous software for the heat diffusion equation.

 December 28, 1999, 14:48 Re: Laplace or Stokes equations solver by Boundary Elements Method #4 COBOK Guest   Posts: n/a There is a free BEM software BEST 3D developed by P.K.Banerjee's group almost ten years ago within NASA grant. It was a basis for a commercial code GPbest marketed by Dr.Banerjee. Sorry, I could not locate it on the NASA web site, but I was told that you may contact NASA and get the code only for a small distribution fee. I'm not sure if it does apply to a citizen of France, but give a try... NASA report is:"Best3D user's manual : boundary element solution technology 3dimensional" / .Technical report NASA CR-185298 Regards

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