Description
A 3D truss consists of two panels ABCD and ABEF, which are attached to a vertical wall at points C, D, E, and F. The panel ABCD is in a horizontal plane. Calculate the axial force of bar AC due to a vertical load of 1,000 lb acting on joint A.
File Name
Browse to drive
letter:\Users\Public\Public Documents\SOLIDWORKS\SOLIDWORKS
version\samples\Simulation
Examples\Verification\Static_27.SLDPRT and open the
file.
Material Properties
Modulus of elasticity = 30 X 106 psi.
Cross-Section Properties
2.089 in2 (All structural members have the same cross-sectional area).
Modeling hint
All the structural members are treated as truss elements.
Results
| |
Theory |
SOLIDWORKS Simulation |
| Axial force of member AC (lb) |
56.0 |
55.92 |
The force of member AC is calculated by multiplying the axial stress with the cross-sectional area.
Reference
Timoshenko S.P. and Young D. H., "Theory of Structures”, McGraw-Hill, New York, 1965, pp. 330-331.