Varying Stress and Constant Displacement Boundary Condition in Mandel Problem -- CFD Online Discussion Forums

December 20, 2020, 04:24

Varying Stress and Constant Displacement Boundary Condition in Mandel Problem

rishavk

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Rishav Kumar

Join Date: Aug 2020

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Hello!

I am solving Mandel Problem of Poroelasticity. It is a 2D problem of soil consolidation. I have attached the figure and boundary conditions. I am not able to understand how to apply the force boundary condition at the top.

At a fixed time t, the stress is varying at the top and the total traction is known and displacement at the top is constant but its magnitude is not known. How to apply such a boundary condition.

Kindly help. It is required for my master's thesis.

Thank You,

Rishav

Attached Images

	Mandel_Domain.PNG (13.5 KB, 2 views)
	Boundary Conditions.PNG (14.1 KB, 2 views)

Tags

boundary condition, displacements, mandel, poroelasticity, stress analysis

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