On 09/04/2018 01:03 AM, Prateek Sharma wrote:
I have applied a constant boundary condition of the value 1 at both the faces
VectorTools::interpolate_boundary_values(dof_handler,1,ConstantFunction<2>(1.),constraint_matrix);
constraint_matrix.close();
I am getting the initial boundary conditions as the result, but the results
remain constant with the time steps.
Although, when I don't apply the contraint_matrix.distribute(solution) command
before output, then the value at the boundary changes, but inside the boundary
the solution continues to be zero.
I have to admit that I don't follow the text description you give here. Can
you show pictures and/or provide the source code for the program you use with
all of the modifications?
Best
WB
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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