16 lines
768 B
Mathematica
16 lines
768 B
Mathematica
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%<EFBFBD><EFBFBD><EFBFBD>㵥Ԫ<EFBFBD>նȾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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function [Ke_local] = FrameElementKeLocal(A,E,I,R,BarLength)
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global m D
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L=BarLength;
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k=m*D*L;
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k1=k;
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k2=k;
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Ke_local=[E*A/L 0 0 -E*A/L 0 0
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0 12*E*I/L^3+4*k1*L/15+k2*L/12 6*E*I/L^2 0 -12*E*I/L^3+k1*L/12+k2*L/15 6*E*I/L^2;
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0 6*E*I/L^2+k1*L^2/30+k2*L^2/60 4*E*I/L 0 -6*E*I/L^2+k1*L^2/60+k2*L^2/60 2*E*I/L ;
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-E*A/L 0 0 E*A/L 0 0
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0 -12*E*I/L^3+k1*L/15+k2*L/12 -6*E*I/L^2 0 12*E*I/L^3+k1*L/12+4*k2*L/15 -6*E*I/L^2;
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0 6*E*I/L^2-k1*L^2/60-k2*L^2/60 2*E*I/L 0 -6*E*I/L^2-k1*L^2/60-k2*L^2/30 4*E*I/L ];
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end
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