Journal
THEORETICAL AND COMPUTATIONAL FLUID DYNAMICS
Volume 29, Issue 4, Pages 343-347Publisher
SPRINGER
DOI: 10.1007/s00162-015-0357-6
Keywords
Urban flows; Porous media; Darcy's law; Fractals; Immersed boundaries
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An approach to describe the turbulent flow through a complex geometry (e.g., urban area) by means of an analogy to flows through porous media is presented. Therefore, a modification of the original Darcy's law is proposed, and its application is tested in a prototype problem with an idealized complex geometry using large eddy simulations. The numerical results indicate the validity of the modified Darcy's law for the chosen setup.
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