期刊
THEORETICAL AND COMPUTATIONAL FLUID DYNAMICS
卷 29, 期 4, 页码 343-347出版社
SPRINGER
DOI: 10.1007/s00162-015-0357-6
关键词
Urban flows; Porous media; Darcy's law; Fractals; Immersed boundaries
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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