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New Approaches to Problems of Fluid Flow in Fractured-Rock Masses
Investigations on the factors that control the movement of fluids in the underground inevitably become involved with fractured rock masses. We shall address three different aspects of this problem in an effort to describe some investigations currently underway in this laboratory. The first part of this paper is an attempt to develop an expression for fluid flow in a deformable fracture. Our approach to this problem of the hydromechanical behavior of a deformable fracture differs from that of Gangi (1978) although we both have a common starting point, the roughness of the fracture surface. The second part has to do with the problem of how to treat flow through networks of fractures. It is customary to consider a discontinuous rock mass by some equivalent porous medium but this raises some important questions that will be discussed. The third part will present the most recent results by our group to develop a fully coupled finite element code for flow through fractured porous media subject to thermal, hydraulic and mechanical stresses. (ERA citation 06:022730)
New Approaches to Problems of Fluid Flow in Fractured-Rock Masses
Investigations on the factors that control the movement of fluids in the underground inevitably become involved with fractured rock masses. We shall address three different aspects of this problem in an effort to describe some investigations currently underway in this laboratory. The first part of this paper is an attempt to develop an expression for fluid flow in a deformable fracture. Our approach to this problem of the hydromechanical behavior of a deformable fracture differs from that of Gangi (1978) although we both have a common starting point, the roughness of the fracture surface. The second part has to do with the problem of how to treat flow through networks of fractures. It is customary to consider a discontinuous rock mass by some equivalent porous medium but this raises some important questions that will be discussed. The third part will present the most recent results by our group to develop a fully coupled finite element code for flow through fractured porous media subject to thermal, hydraulic and mechanical stresses. (ERA citation 06:022730)
New Approaches to Problems of Fluid Flow in Fractured-Rock Masses
P. A. Witherspoon (author) / Y. W. Tsang (author) / J. C. S. Long (author) / J. Noorishad (author)
1981
21 pages
Report
No indication
English
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