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Internal Boundary with different boundary conditions

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Old   August 23, 2013, 18:48
Default Internal Boundary with different boundary conditions
Ripudaman Manchanda
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Hi All,

I am a new user of OpenFOAM trying to solve a problem on hydraulic fracturing. To start off I want to create a static fracture. Imagine a penny shaped plane surface of radius 2 m in the middle of a block extending from (-5,-5,-5) to (5,5,5). The penny shaped fracture is in the XZ plane. I am using tractiondisplacement boundary condition developed elsewhere ( at the external boundaries. Since this boundary condition is a vectorial boundary condition I will need two sets of boundary conditions on my fracture. This is because in order to bloat open the fracture I will need to apply stresses in both the -Y and Y direction of the penny shaped crack.

So far I have created the STL file of the penny shaped crack and the blockMesh file to created the outside block. I can use snappyHexMesh to snap the fracture in the mesh. I am confused how to proceed thereafter. Any help would be greatly appreciated.

Thank you.
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