CHANGELOG.md

Changelog

v5.8.0

Library

• Use GLL quadrature points on Tri Dirichlet BCs with CG (!1895)

CI -- fix CubeAllElements performance test tolerance (!1943)

v5.7.0

Library

• Modified MatrixFreeOp library switch initialisation to use BOOST_PP (!1794)
• Fix memory-leak with LowEnergyBlock preconditioner for time-updated matrices (!1627)
• Fix Fourier expansion integration weights are related test (!1803)
• Introduced the MatrixFree implementation for the PhysInterp1DScaled operator and tidying up MatrixFreeOps (!1812)
• Separate MeshGraph input/output functions into a new class (!1778)
• Added checkpoint file writing start time in the fieldconvert filter (!1789)
• Fix fieldconvert filter incorrect boundary values (!1789)
• Fix numerical precision issues with filters OutputStartTime (!1789)
• Fix AdaptiveSFD for MPI (!1821)
• Fix interpolation on manifold (!1840)
• Fix IterativeStaticCond when using absolute tolerance (!1850)
• Fix deadlock by scotch with multi-threading support (!1853)
• Fixed L2norm for FilterError (!1871)
• Fix variable p in tetrahedrons (!1881)
• Fix BwdTrans for Pyr with var P (!1886)
• Allow wrapper array around a existing raw pointer (!1848)
• Tweaked some long tests to make them faster (!!1918)

IncNavierStokesSolver

• Fix initial and boundary conditions in the moving reference frame (!1692, !1820)
• Fix memory-leak for the Mixed_CG_Discontinuous projection when initializing the traceMep (!1806)
• Add synthetic turbulence generation for the incompressible solver (!1664)
• Fix a uninitialized parameter in VCS (!1880)

ShallowWaterSolver

• Implement implicit time-discritization (!1784)

CompressibleSolver

• Add synthetic turbulence generator for the compressible solver (!1859)

NekMesh

• Added revolve module (!1825)
• Fix Prism Reordering in Process PerAlign (!1899)
• Extend quality measures in ProcessJac and add histogram generation(!1751)
• Reducing run time of some tests in NekMesh(!1922)
• Extend quality measures in ProcessJac and add histogram generation (!1751)
• Reducing run time of some tests in NekMesh (!1922)
• Added a reader for the CGNS input format (!1889)

FieldConvert

• Add vortexinducedvelocity module to compute the vortex-induced velocity (!1824)
• Add a module to transform coordinates and vectors for the moving reference frame method (!1830)

Miscellaneous

• Use std::stod instead of boost::lexical_cast (!1819)

Documentation

• Add initial documentation for the IncNavierStokesSolver (!1822)
• Updated the supported packages in Userguid (!1904)
• Added a example for RayleighBenardConvection in the user-guide for IncNS (!1919)
• Fix some typos in tutorials (!1929)

CI and Packaging

• Debian 10 (BUSTER) is no longer supported (!1902)
• Support is added for Ubuntu Noble Numbat and droped for Bionic Beaver (!1910)
• Removed Fedora 35/36, added Fedora 39/40 (!1909)

v5.6.0

Library

• Clean-up Set_Rhs_Magnitude function in NekLinSysIter (!1729)
• Consistently use template parameters in VmathArray (!1748)
• Fix issue with CMake and zlib versions >= 1.3.0 (!1744)
• Add 1D demo and test of h-type convergence for a CG projection. (!1738)
• Add 2D projection demo and tests following 1D added in MR !1738. (!1762)
• Tidy up tolerance in NekLinSystIter and NekNonlinSysIter solvers (!1722)
• Enable varcoeffs for Collections (!1701)
• Fix misplaced " in Nektar++Config.cmake (!1742)
• Further tidy-up in linear solver (!1761)
• Use FwdTrans in UnsteadySystem when using Parareal (!1785)
• Automate deployment of README.md to dockerhub (!1786)
• Fix memory leak with Block preconditioner for time-updated matrices (!1737)
• Support for implicit sliding meshes (!1787)
• Fix compilation issue with OpenCASCADE 7.8.0 (!1799)
• Fix MPI communicator for Parallel-in-Time (!1801)
• Fix warnings issued by MSVC compiler in LibUtilities and StdRegions (!1740)
• Fix Parareal convergence monitoring (!1802)
• Avoid copying input/output to/from padded aligned arrays in MatrixFree operators(!1783)

CompressibleFlowSolver

• Complete second Frechet derivative implementation (!1761)
• Add conditional updating of elemental Mass and Laplacian matrices for LinearADR matrices (!1766)
• Added routine to order expansion in an optimal manner for MatrixFree/Collection ops (!1770)
• Fix PFASST I/O and pre-initialize coarse preconditioner for Parareal (!1749)
• Remove collection offset arrays since no longer required (!1771)
• Fix summary output (!1779)
• Update Docker images to use bookworm (!1775)
• Update clang-tidy and clang-format to v16 (!1777)
• Add coverage metric capturing (!1776)

ShallowWaterSolver