OS-V: 0280 Axisymmetric Elements - Interference Fit Between Two Cylinders
The model examines the contact pressure between two cylinders in case of interference fit of 20 mm.
![](../../../images/solvers/interference_fit_2_cylinders_model.png)
Figure 1. Model and Loading Description
Benchmark Model
2D axisymmetric elements (CQAXI) elements are used to model 2 cylinders.
- Material Properties
- Young's modulus
- 206 GPa
- Poisson's ratio
- 0
Nonlinear Static Analysis Results
OptiStruct | NAFEMS | Normalized Target Value | |
---|---|---|---|
Contact Pressure | 2.35 | 2.27 | 1.035 |
![](../../../images/solvers/interference_fit_2_cylinders_contact_pressure.png)
Figure 2. Contact Pressure Between the Cylinders
Model Files
The model file used in this example includes:
<install_directory>/hwsolvers/demos/optistruct/verification/Interference_fit.fem
Reference
NAFEMS Ltd, The Standard NAFEMS BENCHMARKS TNSB Rev. 3, NAFEMS Ltd, Scottish Enterprise Technology Park, Whitworth Building, East Kilbride, Glasgow, United Kingdom, 1990.