Gismo Versions Save

G+Smo (pronounced gismo or gizmo) is a C++ library for isogeometric analysis (IGA). Geometry plus simulation modules aims at the seamless integration of Computer-aided Design (CAD) and Finite Element Analysis (FEA).

v23.12.0

5 months ago

v23.12.0 (https://github.com/gismo/gismo/releases/tag/v23.12.0)

  • NEW

    • Floating point precision showcase, quadrature lookup guard
    • Introduce gsFunction::recoverPoints, moved includes of third parties
    • Biharmonic equation assembler
    • Unittest gsGeometry_test
    • Example file: precision_example
    • Labels and file includes in XML file format

  • IMPROVED

    • Python bindings (pygismo)
    • XML file indenting
    • Add unittests for spectra
    • ACC3 scheme for boudaries
    • gsFuncCoordinate is now more general
    • Option to keep Sparsity Pattern when reseting the sparse matrix in gsExpAssembler
    • Parallelization structs (gsParallel)
    • Optional gsSpectra module
    • Several fixes in expressions

  • FIXED

    • CI scripts
    • Header only and mpfr compilation
    • Linking of MPFR with gcc
    • Replace 'sprintf' by 'snprintf' as the former is marked deprecated
    • Checking if the Eigen symlink already exists before creating a new one
    • Static linking for pygismo
    • Make G+Smo compile on Ookami (Fujitsu A64FX)

  • API

    • Several changes in expressions

v23.09.0

9 months ago
  • NEW
    • module system using module download at configure time (not using git submodules)
    • module gsMSplines that allows to incorporate general spline spaces over multipatch geometry
    • module gsOptimizer for solving optimization problems, featuring gradient descent, HLBFGS, etc
    • initial module gsPreCICE
    • python bindings using pybind11 for a basic subset of G+Smo
    • interface and boundary integrals are added to gsExprAssembler
    • unrefinement functions added to hierarchical splines
    • Krylov solvers gsBiCgStab and gsMinResQLP added
    • p-multigrid method added
    • Converting meshes to linear multipatches added (#592)
    • add gsParaviewDataSet and gsParaviewCollection (#604) for better interaction to Paraview (#572)
    • new mesh class using halfedges
    • new domain parameterization techniques (#624)
    • Newton-Cotes (commit 8ff2ee1) and patch-wise (#435) quadrature rules
    • Handling of boundary labels in gsMultiPatch XML reads (#591)
  • IMPROVED
    • optimize for achitecture scripts
    • Expresesion assembler is greatly improved, including handling non-linear problems
    • Several new geometries added in the gsNurbsCreator
    • CI tests on various platforms, improved docker support
    • OpenCascade for CAD file format I/O
    • Spectra eigenvalue solvers
    • gsIeti module
    • Haussdorf distance added in gsGeometry (#611)
  • FIXED
    • bug fix in gsTensorNurbs::insertKnot() (#589)
    • namespace problem when G+Smo is used aside to other Eigen library versions
    • fixed I/O from Parasolid and 3dm
  • API
    • Minimum C++ version compatibility is now C++11
    • gsMultiBasis uses the full NURBS basis by default (commit 1a5ff6f)
    • Add small functions needed for the gsStructuralAnalysis and gsKLShell
    • Several API changes in expressions
    • Eigen library version used is now 3.4.0
    • ExprTk library updated

v21.12.0

2 years ago
  • NEW
    • Change versioning scheme to YEAR.MONTH
    • New docker builders
    • Added submodule system with automated download and deployment
    • New optional submodules: gsElasticity, gsExaStencils, gsCodiPack, gsCompFlow, gsStructuralAnalysis, gsKLShell, gsMultiPrecision, gsSpectra, gsOpenCascade, gsUnum
    • Added reader for IGES files
    • New example files and codes: gsMakeMultiPatch, ieti_example, ieti2_example, kirchhoff-Love_example, quadrature_example, quasiInterpolation_example, constrained_fitting
    • Few new assemblers and better patch interface computations
    • New modules included in the sources: gsIeti module, gsMsplines module
  • IMPROVED
    • Improved FindXX.cmake and other CMake scripts
    • Better unit-tests
    • Advanced Doxygen documentation
    • Better CI testing on several platforms (added gitlab-ci, Jenkins, upgraded ctest_script.cmake)
    • Removed deprecated classes (eg. gsGeometryEvaluator,gsNorms)
    • Fix many warnings and other issues

v0.8.4

5 years ago
  • NEW
    • gsParametrization
    • gsHalfEdgeMesh
    • Matlab plugin
    • MultiPrecision extension
    • Automated submodule system
    • Isogeometric preconditioners for spline patches
  • IMPROVED
    • gsOptionList, added MultiInt
    • Many vectors now have a reserve before call of push_back
    • External codes are downloaded at configure time
    • Remove gsFunctionSet::compute(const gsMapData & in, gsFuncData & out)
    • Remove unimplemented gsBulk::toMesh and gsVolume::toMesh
    • Multiple arithmetic type adaptors are included in gsFunctionExpr
    • Configurable file-write precision
    • Doxygen documentation
  • FIXED
    • gsMesh, fixed gsMesh::cleanMesh, fixed copy constructor
    • -Wextra and -Wunused_parameter Warnings
    • Several bug-fixes

v0.8.3

6 years ago
  • NEW
    • Changelog file
    • Kronecker product of matrices
    • Gauss-Lobatto rules
    • Expression assembler
    • Multigrid with standard smoothers
    • Spectra plugin for sparse eigenvalue problems
  • IMPROVED
    • Ctest and cmake scripts
    • Unittest framework, made unittest++ external package
    • Templatized iterative solvers
    • File handling using gsFileManager
    • Zlib external handling (option to use system installed dynamic library)
  • FIXED
    • OpenMP features (Pardiso options, use in assemblers)
    • Memory and pointer handling
    • Performance bug in gsFitting

v0.8.2

6 years ago

This maintenance release includes many improvements and performance updates, as well as some restructuring.

v0.8.1

8 years ago

This maintenance release includes many fixes and performance updates, as well as some restructuring of the class hierarchy.