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ians-nmh-siebert
alberta
alberta3
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8deb82fd
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8deb82fd
authored
Nov 19, 2008
by
Claus-Justus Heine
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8deb82fd
2007-01-09
2008-11-19
ALBERTA-2.0 UNRELEASED
ALBERTA 2.1-Beta
- per default ALBERTA installs itself into the directory
hierarchy below "/usr/local/". Previous versions of ALBERTA
installed themselves into the build-directory.
- separate graphics and "core" ALBERTA libraries, and a
global configure-time graphics kill-switch
"--disable-graphics".
- BLAS is not used by default, but can optionally be enable by
running configure with the "--enable-fortran-blas" switch.
- easy-to-use (iso-)parametric meshes, up to piecewise polynomial
- easy-to-use (iso-)parametric meshes, up to piecewise polynomial
degree of 4
degree of 4. The coordinate vectors are now dumped to disk
along with the mesh-structure when calling write_mesh().
- parametric meshes for arbitrary co-dimension for 1d/2d/3d meshes
- parametric meshes for arbitrary co-dimension for 1d/2d/3d meshes
(computations on embedded 3-manifolds are now possible, e.g.)
(computations on embedded 3-manifolds are now possible, e.g.)
- periodic meshes; with non-periodic and periodic finite element
- periodic meshes; with non-periodic and periodic finite element
spaces on the same mesh, definition via geometric or
spaces on the same mesh, definition via geometric or
combinatorial face transformations
combinatorial face transformations
.
- support for non-oriented meshes; affects mainly 2d (think,
- support for non-oriented meshes; affects mainly 2d (think,
e.g., of a Klein's bottle or a Moebius-strip)
e.g., of a Klein's bottle or a Moebius-strip)
.
- sub-mesh hierarchies, with proper mapping of
- sub-mesh hierarchies, with proper mapping of
trace-spaces. Sub-meshes inherit the parametric and/or
trace-spaces. Sub-meshes inherit the parametric and/or
periodic structures of their master-meshes.
periodic structures of their master-meshes. Sub-meshes
- get_fe_space() can be called at any time, formerly it had to be
called before doing any mesh-refinement.
- _optional_ per-element intializers for basis functions and
- _optional_ per-element intializers for basis functions and
quadratures, for extensions which require more complicated stuff
quadratures, for extensions which require more complicated stuff
than is provided by ALBERTA.
than is provided by ALBERTA.
- fast (i.e. caching) quadratures for faces
- fast (i.e. caching) quadratures for faces
.
- (a little) improved quadrature rules for 3d
- (a little) improved quadrature rules for 3d.
- discontinuous orthogonal basis functions up to degree 2.
- extended demo-program suite, with example programs for parametric
- extended demo-program suite, with example programs for parametric
meshes (iso-parametric, but also higher co-dimension),
meshes (iso-parametric, but also higher co-dimension),
non-orientable surfaces, stationary Quasi-Stokes with stress
non-orientable surfaces, stationary Quasi-Stokes with stress
boundary conditions, periodic meshes
boundary conditions, periodic meshes
.
- improved GRAPE interface, interfaces to GMV, Silo, Geomview
- improved GRAPE interface, interfaces to GMV, Silo, Geomview,
(with varying degree of completeness, usability)
Paraview (with varying degree of completeness and
usability).
- global configure-time graphics kill-switch
2007-10-XX
"--disable-graphics".
ALBERTA 2.0
- support of submeshes, DIM constant removed
- support of iso-parametric meshes up to p.w. polynomial degree 2
- more generalized node projection mechanism
- graphics output interface to GMV
- discontinuous basis functions up to degree 2.
- get_fe_space() works at any time
- INDEX macro only available for ALBERTA_DEBUG=1
- NEIGH_IN_EL, EL_INDEX macros removed
- former SOLVER package incorporated into "alberta_util",
"PLOT_ANSI" package removed
- ALBERTA_DEBUG=1 introduces additional safety checks
- changed "preserve_coarse_dofs" mechanism
- changed "fe_space" entry in DOF_[DOWB_]MATRIX into a
"row_fe_space" and a "col_fe_space". Fixed issue with
dof_compress() and different fe_spaces.
- added a "DOF_PTR_VEC" type.
2004-12-07
2004-12-07
ALBERTA 1.2.1
ALBERTA 1.2.1
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