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64 lines
2.3 KiB
64 lines
2.3 KiB
3 years ago
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%--------------------------
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% @Author: Jingqiao Hu
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% @Date: 2021-01-04 21:58:54
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% @LastEditTime: 2021-04-21 15:23:27
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%--------------------------
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function [uglobal, deformed_cell] = recover_full_disp_bb(ref_nodes, deform_nodes, nelx, nely, microx, lx, M, coners, bdofs, idofs, ...
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inner, edofMat_ma, edofMat_mi, optDesign, vF, deform_nodes_full, x_offset)
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[ref_nodes_full, ~, ~, ~] = GenerateMesh(nelx*lx, nely*lx, nelx*microx, nely*microx);
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ufull = deform_nodes_full - ref_nodes_full;
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U = (deform_nodes - ref_nodes)';
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U = U(:);
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globaly = nely * microx;
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globalx = nelx * microx;
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[~, ~, edofMat_full] = forAssemble(globalx, globaly);
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uglobal = zeros(2 * (globalx + 1) * (globaly + 1), 1);
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deformed_cell = cell(nely, nelx);
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for i = 1:nelx
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for j = 1:nely
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edof = edofMat_ma(j + (i - 1) * nely, :);
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ue = U(edof);
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he = M{j, i} * ue;
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% he(:,2) = [outer; fdofs(:); inner(:)];
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he(:, 2) = [coners(:); bdofs(:); idofs(:); inner(:)];
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umicro = sortrows(he, 2);
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for ii = 1:microx
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for jj = 1:microx
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% which micro element in full domain
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last_col_full = (i - 1) * microx + ii - 1;
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this_col_full = (j - 1) * microx + jj;
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global_ele = last_col_full * globaly + this_col_full;
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global_edof = edofMat_full(global_ele, :);
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% which micro element in this sub
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local_ele = jj + (ii - 1) * microx;
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edof = edofMat_mi(local_ele, :);
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uglobal(global_edof) = umicro(edof);
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end
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end
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deformed_cell{j,i} = reshape(uglobal, 2, [])' + ref_nodes_full;
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end
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end
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[freeddofs, ~, ~] = designDomain(optDesign, globalx, globaly, vF, ref_nodes_full, microx, x_offset);
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% err = zeros(2*(globalx+1)*(globaly+1), 1);
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% err(freeddofs) = (ufull(freeddofs)-uglobal(freeddofs)).^2./ufull(freeddofs).^2;
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ufull = ufull';
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ufull = ufull(:);
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avgerr = sum((ufull(freeddofs) - uglobal(freeddofs)).^2) ./ sum(ufull(freeddofs).^2)
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deformed = reshape(uglobal, 2, [])' + ref_nodes_full;
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% figure; scatter(deformed(:,1), deformed(:,2)); axis equal;
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end
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