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Flow through Porous Media
The flow through porous media capability enables engineers to simulate fluid flow through media such as ground rock, filters and catalyst beds. For example, simulating underground flow through porous rock can enable engineers to predict the movement of contaminated fluid from a solid waste landfill into a drinking water supply. In industrial applications, harmful particles can be filtered from a fluid stream by passing it through a porous solid whose pores are too small to permit passage of the particles. Additionally, porous media may provide sites for chemical catalysis or absorption of components of the fluid. The flow through porous media capability supports both isotropic and orthotropic materials and can calculate the velocity and pressure fields in a 2-D planar, 2-D axisymmetric or 3-D configuration. Multiple parts are supported, where each part may have a different permeability. Regions of the flow where no porous media exists can also be included. Both pressure and velocity loads can be applied. In addition to the standard Darcy's law material model (which relates volumetric flow and pressure drop with properties of the fluid and media), the fractional power Darcy's law is also supported. This latter material model incorporates inertial effects for high Reynolds number applications. TYPICAL APPLICATIONS
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