OpenFOAM: Introduction, Capabilities and HPC Needs - LinkSCEEM
OpenFOAM: Introduction, Capabilities and HPC Needs - LinkSCEEM
OpenFOAM: Introduction, Capabilities and HPC Needs - LinkSCEEM
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Implementing Continuum ModelsEquation Mimicking• Natural language of continuum mechanics: partial differential equations• Example: turbulence kinetic energy equation[ ]∂k1 2∂t +∇•(uk)−∇•[(ν +ν t)∇k] = ν t2 (∇u+∇uT ) − ǫ okk o• Objective: represent differential equations in their natural languagesolve(fvm::ddt(k)+ fvm::div(phi, k)- fvm::laplacian(nu() + nut, k)== nut*magSqr(symm(fvc::grad(U)))- fvm::Sp(epsilon/k, k));• Correspondence between the implementation <strong>and</strong> the original equation is clear• Library-based implementation of custom physical models with full freedom insolution algorithms. New: support for multi-equation implicit couplingCyprus Advanced <strong>HPC</strong> Workshop Winter 2012. Tracking: FH6190763 Feb/2012<strong>OpenFOAM</strong>: <strong>Introduction</strong>, <strong>Capabilities</strong> <strong>and</strong> <strong>HPC</strong> <strong>Needs</strong> – p. 4
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