Dear Roman,
I added a normal Dirichlet brick for the new brick system. I did not test it. Is it possible for you to test it ? Ragards, Yves. On jeudi 22 septembre 2011, Roman Putanowicz wrote: > Dear All, > > So far I have had no problems with straight boundaries and Dirichlet > conditions. However now I have a curved boundary and I would like > to prescribe displacement in the direction normal to the boundary. > > In the old brick system there is a calass: > getfem::mdbrick_normal_component_Dirichlet > which seems to be designed exactly for the above task. > > I do not see however a similar class in the new brick system. > > There is a function add_generalized_Dirichlet_condition to set > a condition of a form H*u=r but using it for my task would > require to precompute the matrix field of boundary normals. > > There is a function > asm_normal_component_dirichlet_constraints > but using it gets me out of the getfem::model framework -- I mean > I cannot use bricks and have to deal explicitly with he tangent matrix, > rhs vector and solving the system of equation. > > Is the above picture correct or am I missing something? > What would be the best approach in such situation ? > > Regards, > > Roman -- Yves Renard ([email protected]) tel : (33) 04.72.43.87.08 Pole de Mathematiques, INSA-Lyon fax : (33) 04.72.43.85.29 20, rue Albert Einstein 69621 Villeurbanne Cedex, FRANCE http://math.univ-lyon1.fr/~renard --------- _______________________________________________ Getfem-users mailing list [email protected] https://mail.gna.org/listinfo/getfem-users
