MATLAB Code for Solving two-dimensional truss

版本 1.0.0 (8.3 KB) 作者: Mehdi Ghasri
Solving the truss using the stiffness method.
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更新时间 2023/1/13

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The steps of solving the truss by the stiffness method:
  1. Numbering of nodes and elements
  2. Specifying the length of each element
  3. Obtaining sin and cosz
  4. Forming the stiffness matrix of each member
  5. Forming the total stiffness matrix
  6. Writing the relationship F = K U in matrix form
  7. Removing rows and columns that can be removed from the above matrix
  8. Solve the above matrix and get U or displacements
  9. Obtaining the stress in each member
  10. Obtaining support reactions
To use this code, just add the specifications of the truss you want to the Excel file and run the Truss2DD.m file.
Program outputs include:
  1. Stiffness matrix
  2. load vector
  3. Displacement
  4. Stress
  5. Reaction
  6. Truss Shape(black)
  7. ِDeformed Shape(red)
Outputs for 4Bar-Truss:
load =
0
0
2000
0
0
-25000
0
0
JointDisp =
0
0
0.0027
0
0.0056
-0.0222
0
0
Stress =
1.0e+04 *
0.2000
-2.1875
-0.5208
0.4167
Reaction =
1.0e+04 *
0.2167
0.3125
0.2000
2.1875
0.0000
-2.5000
-0.4167
0

引用格式

Mehdi Ghasri (2024). MATLAB Code for Solving two-dimensional truss (https://www.mathworks.com/matlabcentral/fileexchange/123260-matlab-code-for-solving-two-dimensional-truss), MATLAB Central File Exchange. 检索来源 .

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版本 已发布 发行说明
1.0.0