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CFD (Computational Fluid Dynamics) and NR (Numerical Relativity) both involve the solution of second order partial differential equations (PDE's) describing physical phenomena.
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This case study will study both applications and then look at the computer science (computational) issues which are both common and distinct.
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This will allow us to study the requirements of a computational toolkit for general solution of second order PDE's.
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These two applications are by no means the only applications but they cover a broad range of issues.
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CFD can be defined narrowly as confined to aerodynamic flow around vehicles but it can be generalized to include as well such areas as weather and climate simulation, flow of pollutants in the earth, and flow of liquids in oil fields (reservoir modelling).
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