truss system problem solve for matlab

Question

Bilal Ates 2021-1-30

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/731318-truss-system-problem-solve-for-matlab

评论： ibrahim Çevikgil 2023-1-14

a=cos(pi/6); 
b=cos(pi/3); 
%  Fab Fag Fbc Fbg Fcd Fcf Fcg Fde Fdf Ffe Fgf Ax Ay Ey
T=[ b   1   0   0   0   0   0   0   0   0   0   1  0  0 ;% Ax
    a   0   0   0   0   0   0   0   0   0   0   0  1  0 ;% Ay
   -b   0   1   b   0   0   0   0   0   0   0   0  0  0 ;% Bx
   -a   0   0   a   0   0   0   0   0   0   0   0  0  0 ;% By
    0   0  -1   0   1   b   b   0   0   0   0   0  0  0 ;% Cx
    0   0   0   0   0   a   a   0   0   0   0   0  0  0 ;% Cy
    0   0   0   0  -1   0   0   b   b   0   0   0  0  0 ;% Dx
    0   0   0   0   0   0   0   a   a   0   0   0  0  0 ;% Dy
    0   0   0   0   0   0   0  -b   0  -1   0   0  0  0 ;% Ex
    0   0   0   0   0   0   0  -a   0   0   0   0  0  1 ;% Ey
    0   0   0   0   0  -b   0   0  -b   1  -1   0  0  0 ;% Fx
    0   0   0   0   0  -a   0   0  -a   0   0   0  0  0 ;% Fy
    0  -1   0  -b   0   0  -b   0   0   0   1   0  0  0 ;% Gx
    0   0   0  -a   0   0  -a   0   0   0   0   0  0  0 ];% Gy
F=[ 0; 0;0;0;0; 0;0; 0;0; 0;0;-8;0;-6 ]; % Applied forces, as shown on the truss
Y=inv(T);
(Y)*(-F)

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ibrahim Çevikgil 2023-1-14

Bilal merhaba aktif olarak burdaysan dönüş sağlayabilir misin bu yoruma sorumu özel olarak iletiyim.

Bilal Ates 2023-1-15

Merhaba İbrahim,

atesbilal@msn.com Linkedin/atesbilal

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Answer 1

Manikanta Aditya 2022-6-20

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/731318-truss-system-problem-solve-for-matlab#answer_989315

Hi Bilal,

I understand that you are trying to solve truss system problems in MATLAB. I found a code for reference, which returns the global stiffness matrix of a given truss system. So, you could refer to the link below to get some understanding of the solution.

For reference:

https://www.mathworks.com/matlabcentral/answers/266522-can-someone-help-me-make-a-function-for-determining-a-global-stiffness-matrix-for-a-truss?s_tid=srchtitle