OS-V: 0455 Simply-Supported Solid Square Plate
Test No. FV52 A well-established solid square plate, which contains three rigid modes with the given boundary condition. The test examines the performance of OptiStruct Normal Modes Analysis on 3D solid elements.
Benchmark Model
The HEXA 8-node and HEXA 20-node solid elements are used in test FV52. An 8x8x3 mesh configuration is used for HEXA 8-node elements, and a 4x4x1 mesh configuration is used with HEXA 20-node elements. The z-directional displacement is constrained at Z = -5m plane along the four edges of the plate.
- Property
- Value
- E
- 200 x 109 N/m2
- 0.3
- 8000 kg/m3
Modal Analysis Results
f*
- Closed form solution.
Mode 4 | Modes 5 and 6 | Mode 7 | |||
---|---|---|---|---|---|
f* HEXA20 HEXA8 |
45.897 Hz 0.9760 0.9874 |
f* HEXA20 HEXA8 |
109.44 Hz 1.0101 1.0413 |
f* HEXA20 HEXA8 |
265.81 Hz 1.0072 1.0322 |
Mode 8 | Modes 9 and 10 | ||
---|---|---|---|
f* HEXA20 HEXA8 |
193.59 Hz 1.0017 1.0164 |
f* HEXA20 HEXA8 |
206.19 Hz 1.0022 1.0164 |
Model Files
必要なモデルファイルのダウンロードについては、モデルファイルへのアクセスを参照してください。
- fv52_HOE.fem
- fv52_LOE.fem
Reference
NAFEMS R0015 - Selected benchmarks for natural frequency analysis