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dG-cG Pressure-Correction INS Solver for Hemodynamics
http://github.com/lorbot/Gnuid
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syphon | ||
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Makefile | ||
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README | ||
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VTKWriter.C | ||
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VTKWriter.h | ||
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complex_operations.h | ||
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gnuid.C | ||
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gnuid.in | ||
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license | ||
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ns_dg_solver.C | ||
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ns_dg_solver.h | ||
README
Prior to running Gnuid! ########################################################################### Install mpich2 ########################################################################### ########################################################################### Install PETSc ########################################################################### ########################################################################### Download libMesh 0.8.0 at sourceforge Install libMesh with PETSc support ########################################################################### ########################################################################### Set the LIBMESH_DIR in the Gnuid Makefile to link your libMesh installation run make Go to the syphon directory for an example run mpiexec -n <number_of_processes> ../gnuid-opt ./ common solver options -ksp_gmres_restart <number_of_krylov_spaces(default 30, 60 or more for large scale simulations)> common preconditioner options if <number_of_processes> is big use -pc_type asm -pc_asm_overlap <default 1, use 2 or 3> for example mpiexec -n 32 ../gnuid-opt ./ -ksp_gmres_restart 60 -pc_type asm -pc_asm_overlap 2 ################################################################################################################################################### The following paper describes in detail the Gnuid temporal and spatial discretization L. Botti, D. A. Di Pietro. A pressure-correction scheme for convection-dominated incompressible flows with discontinuous velocity and continuous pressure. Journal of Computational Physics, 230(3): 572-585, 2011.