On 02/01/2017 09:08 AM, 'Seyed Ali Mohseni' via deal.II User Group wrote:
@Prof. Bangerth: Thank you very much :) Finally, I understand how the
stiffness matrix in step-18 is constructed. Your shape function
derivatives are basically already the B-operator.
Correct. They are rows or columns of that operator.
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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