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Dec 31, 2015
Velocity and Pressure Boundary Conditions for Flow Over the Permeable Boundary of a Porous Medium
Author: Ismail AydinAuthor Affiliations
Publication: Coastal Engineering 1994
Abstract
Effect of permeability on pressure distribution over the permeable surface of a porous medium is investigated. Measured pressure distributions comparing impervious and permeable cases are presented. Flow of the free fluid over the permeable boundary and flow of the fluid in the porous medium are computed numerically, maintaining the interaction of the two flow fields through the boundary conditions at the permeable surface. Turbulence is modeled by a low Reynolds number k-ε model including a novel technique to model surface roughness effect eliminating the need for wall functions.
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© 1995 American Society of Civil Engineers.
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Published online: Dec 31, 2015
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ASCE Technical Topics:
- Boundary conditions
- Boundary value problem
- Continuum mechanics
- Differential equations
- Domain boundary
- Dynamic pressure
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Equations (by type)
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Fluid velocity
- Hydrologic engineering
- Materials characterization
- Materials engineering
- Mathematics
- Permeability (material)
- Pore pressure
- Porous media flow
- Pressure (type)
- Solid mechanics
- Water and water resources
Authors
Affiliations
Ismail Aydin
Assoc. Professor, Civil Engineering Department, METU, 06531 Ankara, Turkey
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