OS-E: 0905 Spot Weld Fatigue Analysis and Size Optimization of a Frame Structure
Demonstrates Spot weld fatigue optimization using OptiStruct.

Figure 1. FE Model
Model Files
Refer to Access the Model Files to download the required model file(s).
The model file used in this example includes:
spotweld_cbar_opt.fem
Model Description

Figure 2. Size Optimization Plot and Fatigue Life Plot
- FE Model
- Elements Types
- CBAR
- MAT1
- Young’s Modulus
- 2.1E5 MPA
- Poisson's Ratio
- 0.3
- Density
- 7.9E-9
Results

Figure 3. Fatigue Life Optimization of the Frame Observations