OS-E: 0905 Spot Weld Fatigue Analysis and Size Optimization of a Frame Structure
Demonstrates Spot weld fatigue optimization using OptiStruct.
![](../../../images/solvers/spotweld_fatigue_analysis_frame_fe_model.png)
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
![](../../../images/solvers/spotweld_fatigue_analysis_size_opt_plot.png)
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
![](../../../images/solvers/spotweld_fatigue_analysis_results.png)
Figure 3. Fatigue Life Optimization of the Frame Observations