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Incompressible Couette flow between two cylinders, with the inner one rotating at a constant angular speed.

Msh files in conc_circle_geoms generated with gmsh

4 main components -

Operator discretization for pressure Poisson with all Neumann boundary conditions in Grid.cpp
Multigrid preconditioned GMRES/ ILU-GMRES solvers in FracStepMultirid.cpp
Fractional Step procedure in fractionalStepGrid.cpp
Main file which generates the simulation in FractionalStepSim.cpp

Compile using make all

Theoretical formulation given in JCP_Paper.pdf in the root directory

Name		Name	Last commit message	Last commit date
Latest commit History 19 Commits
conc_circle_geoms		conc_circle_geoms
square_test_geometries		square_test_geometries
FracStepMultigrid.cpp		FracStepMultigrid.cpp
FracStepMultigrid.hpp		FracStepMultigrid.hpp
FractionalStepSim.cpp		FractionalStepSim.cpp
FractionalStepSim.hpp		FractionalStepSim.hpp
JCP_Paper.pdf		JCP_Paper.pdf
Makefile		Makefile
Output		Output
README.md		README.md
fileReadingFunctions.cpp		fileReadingFunctions.cpp
fileReadingFunctions.h		fileReadingFunctions.h
fractionalStepGrid.cpp		fractionalStepGrid.cpp
fractionalStepGrid.hpp		fractionalStepGrid.hpp
fsactual.txt		fsactual.txt
fserror.txt		fserror.txt
fspvec.txt		fspvec.txt
fssource.txt		fssource.txt
fsuvec.txt		fsuvec.txt
fsvvec.txt		fsvvec.txt
fsx.txt		fsx.txt
fsy.txt		fsy.txt
general_computation_functions.cpp		general_computation_functions.cpp
general_computation_functions.h		general_computation_functions.h
grid.cpp		grid.cpp
grid.h		grid.h
gridclasses.hpp		gridclasses.hpp
main.cpp		main.cpp
mshFileReaders.hpp		mshFileReaders.hpp
multigrid.cpp		multigrid.cpp
multigrid.h		multigrid.h
testing_functions.cpp		testing_functions.cpp
testing_functions.hpp		testing_functions.hpp

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