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Published in:
2002 | OriginalPaper | Chapter
Problem Classification
Author : Professor Dr.-Ing. Olaf Kolditz
Published in: Computational Methods in Environmental Fluid Mechanics
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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The governing equations for fluid flow and related transport processes are partial differential equations (PDE) containing first and second order derivatives in spatial coordinates and first order derivatives in time. Whereas time derivatives appear linearly, spatial derivatives often have a non-linear form. Frequently, systems of partial differential equations occur rather than a single equation.