A-14 (2D Truss with Thermal Load) |
  
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A-14 (2D Truss with Thermal Load) |
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Objective
To verify the behavior of thermal load
Problem Description
In the truss [Ref 1] below, all bars are cooled by 20 degrees Celsius.
Material: E = 200 MPa, thermal coefficient α = 1.2e-5 mm/mm per degree Celsius
Results
The following are the results given by ENERCALC 3D and [Ref 1].
|
ENERCALC 3D |
Ref 1 |
Displacement Dx @ a |
-4.044e-01 mm |
-0.4045 mm |
Displacement Dy @ a |
-6.995e-02 mm |
-0.0698 mm |
Reaction Rx @ b |
0 kN |
0 kN |
Reaction Ry @ b |
-274.01 kN |
-274 kN |
Reaction Rx @ c |
-173.71 kN |
-173.8 kN |
Reaction Ry @ c |
100.29 kN |
100.2 kN |
Reaction Rx @ d |
173.71 kN |
173.8 kN |
Reaction Ry @ d |
173.71 kN |
173.8 kN |
Comments
The displacement results given by ENERCALC 3D are very close to the referenced values.
Reference
[1]. W. McGuire & R.H. Gallagher & R.D. Ziemian, “Matrix Structural Analysis” pp 127, 2nd ed., John Wiley & Sons, Inc., 2000
