dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

DOLFIN wrote:
> One or more new changesets pushed to the primary dolfin repository.
> A short summary of the last three changesets is included below.
>
> changeset:   4374:6e1db926186ebfe9d9316b729a7d5747be3c5115
> tag:         tip
> parent:      4373:8f4accd9eb039d0d13412e8d871e7f1bfce896b8
> parent:      4372:3abbccc877d3bb358c76ef36dbbe252155b88183
> user:        Kent-Andre Mardal <kent-and@xxxxxxxxx>
> date:        Wed Jul 02 16:02:17 2008 +0200
> files:       dolfin/fem/Assembler.cpp dolfin/fem/DirichletBC.cpp site-packages/dolfin/assemble.py
> description:
> merge
>
>
> changeset:   4373:8f4accd9eb039d0d13412e8d871e7f1bfce896b8
> parent:      4369:b272b94b43ae789e2c72c90f6a027ce9fb89f6fc
> user:        Kent-Andre Mardal <kent-and@xxxxxxxxx>
> date:        Wed Jul 02 16:01:09 2008 +0200
> files:       demo/pde/sym-dirichlet-bc/demo.py dolfin/fem/Assembler.cpp dolfin/fem/Assembler.h dolfin/fem/DirichletBC.cpp dolfin/fem/DirichletBC.h dolfin/fem/assemble.cpp dolfin/fem/assemble.h dolfin/la/AssemblyMatrix.cpp dolfin/la/AssemblyMatrix.h dolfin/la/EpetraMatrix.cpp dolfin/la/EpetraMatrix.h dolfin/la/EpetraVector.cpp dolfin/la/EpetraVector.h dolfin/la/GenericMatrix.h dolfin/la/GenericTensor.h dolfin/la/GenericVector.h dolfin/la/Matrix.h dolfin/la/PETScMatrix.cpp dolfin/la/PETScMatrix.h dolfin/la/PETScVector.cpp dolfin/la/PETScVector.h dolfin/la/Scalar.h dolfin/la/Vector.h dolfin/la/uBlasMatrix.h dolfin/la/uBlasVector.cpp dolfin/la/uBlasVector.h dolfin/swig/dolfin_fem_pre.i dolfin/swig/dolfin_headers.i site-packages/dolfin/assemble.py
> description:
> implemented symmetric handling of boundary conditions

Great.

I looked at the demo but could see how to specify the method for 
applying boundary conditions. Could you write a short description on how 
to use it and it compares in terms of performance?

Garth

> changeset:   4372:3abbccc877d3bb358c76ef36dbbe252155b88183
> user:        "Martin Sandve Alnæs <martinal@xxxxxxxxx>"
> date:        Tue Jul 01 16:10:10 2008 +0200
> files:       dolfin/fem/Assembler.cpp
> description:
> Changed errors to warnings in assembler coefficient checks:
> demos using Function(mesh, 0.0) for vector functions fail this check.
>
> ----------------------------------------------------------------------
> For more details, visit http://www.fenics.org/hg/dolfin
>
>
> ------------------------------------------------------------------------
>
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--
Dr Garth N Wells
Department of Engineering
University of Cambridge
Trumpington Street
Cambridge CB2 1PZ
United Kingdom

tel.   +44 1223 3 32743
fax.   +44 1223 3 32662
e-mail gnw20@xxxxxxxxx