30 lines
1.6 KiB
Mathematica
30 lines
1.6 KiB
Mathematica
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%%%%%%%%%%% <EFBFBD><EFBFBD>ȡinp<EFBFBD>ļ<EFBFBD>ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ %%%%%%%%%%%%
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%<EFBFBD>ó<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɶ<EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>Ԫ(<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ρ<EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD>Ρ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD>Ľڵ㼰<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD>Ϣ
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%Nodes<EFBFBD><EFBFBD>n<EFBFBD><EFBFBD>a<EFBFBD>еľ<EFBFBD><EFBFBD><EFBFBD>(nΪģ<EFBFBD>ͽڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>aΪģ<EFBFBD><EFBFBD>ά<EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>άΪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿһ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD>ţ<EFBFBD>X<EFBFBD><EFBFBD>Y<EFBFBD><EFBFBD>Z<EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD>磺<EFBFBD><EFBFBD>n<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>n<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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%Elements<EFBFBD><EFBFBD>m<EFBFBD><EFBFBD>b<EFBFBD>еľ<EFBFBD><EFBFBD><EFBFBD>(mΪģ<EFBFBD>͵<EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>bΪ<EFBFBD><EFBFBD>Ԫ<EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<EFBFBD><EFBFBD>ÿһ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɵ<EFBFBD>Ԫ<EFBFBD>Ľڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD>Ϊ<EFBFBD>Ȳ<EFBFBD>Ԫ<EFBFBD>ڵ<EFBFBD>˳<EFBFBD><EFBFBD>)
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%fname<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͡<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<EFBFBD><EFBFBD><EFBFBD>磺sanjiao.inp)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>.inp<EFBFBD><EFBFBD>
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%<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD>ܶ<EFBFBD>ȡģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ(<EFBFBD>ڵ<EFBFBD>λ<EFBFBD><EFBFBD>Nodes<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Elements),<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡԼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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function [Nodes, Elements] = Readmesh( fname )
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fid = fopen(fname,'rt'); %fname<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD> r<EFBFBD><EFBFBD>ȡ t<EFBFBD><EFBFBD>txt<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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S = textscan(fid,'%s','Delimiter','\n'); %<EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD> <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>ȡ 'Delimiter','\n'<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>з<EFBFBD> Ĭ<EFBFBD>Ϸָ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ո<EFBFBD>
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S = S{1};
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%<EFBFBD>ҵ<EFBFBD>Node<EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>λ<EFBFBD><EFBFBD>
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idxS = strfind(S, 'Node'); %<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӦԪ<EFBFBD>أ<EFBFBD><EFBFBD>ؿ<EFBFBD>
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idx1 = find(not(cellfun(@isempty, idxS))); %cellfun(fun,A) <EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>A<EFBFBD>ֱ<EFBFBD>ʹ<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>fun isempty(A) AΪ<EFBFBD>շ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ1 find Ѱ<EFBFBD>ҷ<EFBFBD>0Ԫ<EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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%<EFBFBD>ҵ<EFBFBD>Element<EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>λ<EFBFBD><EFBFBD>
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idxS = strfind(S, 'Element');
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idx2 = find(not(cellfun(@isempty, idxS)));
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%<EFBFBD>ҵ<EFBFBD>Nset<EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>
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idxS = strfind(S, 'Nset');
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idx3 = find(not(cellfun(@isempty, idxS)));
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% ȡ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD>Ϣ(Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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Nodes = S(idx1(1)+1:idx2(1)-1); %<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽȡ<EFBFBD><EFBFBD>
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%<EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Nodes = cell2mat(cellfun(@str2num,Nodes,'UniformOutput',false)); %'UniformOutput',false <EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
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% ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ(Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
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elements = S(idx2+1:idx3(1)-1) ;
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% <EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Elements = cell2mat(cellfun(@str2num,elements,'UniformOutput',false));
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Nodes=Nodes(:,2:end);
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Elements=Elements(:,2:end);
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end
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