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Introduction to OpenFOAM Ole Lindberg Section of Coastal, Maritime and Structural Engineering Department of Mechanical Engineering Technical University of Denmark November 18, 2009 Ole Lindberg Introduction to OpenFOAM About OpenFOAM OpenFOAM: Open Field Operation and Manipulation. A open source CFD toolbox written in C++ for the Linux operation system. It is produced by OpenCFD Ltd, freely available and open source. Licensed under the GNU General Public Licence. Homepage: http://www.openc
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  Introduction to OpenFOAM Ole Lindberg Section of Coastal, Maritime and Structural EngineeringDepartment of Mechanical EngineeringTechnical University of Denmark November 18, 2009 Ole LindbergIntroduction to OpenFOAM  About OpenFOAM OpenFOAM: Open F ield O peration a nd M anipulation.A open source CFD toolbox written in C++ for the Linux operationsystem.It is produced by OpenCFD Ltd, freely available and open source.Licensed under the GNU General Public Licence.Homepage: http://www.opencfd.co.uk/ Ole LindbergIntroduction to OpenFOAM  Why OpenFOAM? OpenFOAM is open source.It is the best open source CFD program available.The quality of the C++ code is very high.OpenFOAM has almost all standard finite volume methodsimplemented.It comes with a fairly good documentation.OpenFOAM has an easy to use high level object-orientatedprogramming interface.High licence fees on other commercial CFD packages like CFX orFluent.The industry is very interested in OpenFOAM. Ole Lindberg Introduction to OpenFOAM  Numerical methods in OpenFOAM OpenFOAM is a Finite Volume CFD program using both structured andunstructured meshes.Some of the numerical methods in OpenFOAM are:Time integration:Backward Euler: Euler Steady state solver: steadyState Crank-Nicholson: CrankNicholson Gradient, divergence, Laplacian and interpolation schemes:Second order central difference: linear Fourth order central difference: cubic First order upwind: upwind First/second order upwind: linearUpwind Ole Lindberg Introduction to OpenFOAM
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