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22 lines
503 B
22 lines
503 B
3 years ago
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%--------------------------
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% @Author: Jingqiao Hu
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% @Date: 2021-02-19 21:28:20
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% @LastEditTime: 2021-02-19 21:54:44
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%--------------------------
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function F = deform_grad(dN, edofMat, U)
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I = eye(3);
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eleNum = size(edofMat, 1);
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F = cell(8, 1);
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for gp = 1:8
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B = dN{gp};
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Fe = zeros(9, eleNum);
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for ele = 1:eleNum
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edof = edofMat(ele, :);
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ue = U(edof);
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Fe(:, ele) = I(:) + B * ue;
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end
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F{gp} = Fe;
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end
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end
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