Product: ABAQUS/Standard
Shell thickness = 4.2 m.
Material:Young's modulus = 200 GPa, Poisson's ratio = 0.3, density = 8000 kg/m3.
Boundary conditions:
Unsupported.
This is a test recommended by the National Agency for Finite Element Methods and Standards (U.K.): Test FV42 from NAFEMS publication TNSB, Rev. 3, “The Standard NAFEMS Benchmarks,” October 1990.
The results are shown in the following table. The values enclosed in parentheses are percentage differences with respect to the reference solution.
| Mode | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| NAFEMS | 369.91 | 838.03 | 1451.2 | 2111.7 | 2795.8 |
| CAX4 | 367.79 (–0.03) | 829.11 (–1.06) | 1417.6 (–2.32) | 2025.8 (–4.07) | 2598.4 (7.60) |
| CAX8 | 370.97 (0.29) | 840.49 (0.29) | 1457.3 (0.42) | 2137.9 (0.99) | 2861.1 (2.33) |
| CAX6 | 369.95 (0.01) | 838.04 (0.00) | 1451.3 (0.00) | 2118.0 (0.30) | 2800.2 (0.16) |
| CAX6M | 370.06 (0.04) | 836.50 (–0.18) | 1443.0 (–0.57) | 2092.1 (–0.93) | 2738.8 (–2.04) |
CAX4 elements.
CAX8 elements.
CAX6 elements.
CAX6M elements.
