Hello, I want to apply the following boundary condition on a 2D face : x[0]=0 and no constrain on x[1] and x[2]. I wanna do it on this hyperelasticity example, on the right face. If i do : r1=Expression(("0","x[1]","x[2]"),degree=2) it doesn’t work. Here is my code : from dolfin import * impo…

Dirichletbc on only one coordinate

dokken February 8, 2021, 5:12pm 2

Use V.sub(0) in your dirichlet condition, as for instance done in Boundary conditions on edges or nodes - #6 by dokken

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