OS-V: 0060 Thick Plate Pressure
Test No. LE10 The model is a thick plate subjected to uniform normal pressure of 1MPa on the upper surface of the plate. OptiStruct examines the direct stress at the point D for linear static analysis.
Figure 1.
Benchmark Model
Second order Hexahedral, Penta and Tetra elements are used to create the coarse and fine mesh. A uniform pressure of 1 MPa is applied on the upper surface of the plate.
The material properties are:
- Young's Modulus
- 210 x 103 MPa
- Poisson's Ratio
- 0.3
Linear Static Analysis Results
All results are normalized with the target value (5.38 MPa).
| Direct Stress at Point D (MPa) | Normalized with the Target Value | |
|---|---|---|
| Solid Hexahedral: | ||
| Hex20 coarse | 5.32 | 1.011278195 |
| Hex20 fine | 5.58 | 0.964157706 |
| Solid Wedges: | ||
| Penta15 coarse | 4.91 | 1.095723014 |
| Penta15 fine | 5.94 | 0.905723906 |
| Solid Tetrahedral: | ||
| Tetra10 coarse | 5.741 | 0.937118969 |
| Tetra10 fine | 5.029 | 1.069795188 |
Model Files
The model files used in this problem include:
<install_directory>/hwsolvers/demos/optistruct/verification
- /LE10Hex20C.fem
- /LE10Hex20F.fem
- /LE10Pyr15C.fem
- /LE10Pyr15F.fem
- /LE10Tet10C.fem
- /LE10Tet10F.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.