Table 7 Calculated and test results of mechanical properties for the optimized prototype.
From: Stiffness analysis and structural optimization design of an air spring for ships
Description | 15TG | 15Â T | Effectiveness of optimization design | ||
|---|---|---|---|---|---|
Calculated result | Test result | Calculation error | Test result | ||
KZ (kN/mm) | 4.24 | 4.02 | 5.5% | 5.51 | − 27.0% |
KH (kN/mm) | 3.09 | 3.38 | 8.6% | 13.80 | − 75.5% |
Pm (MPa)/safety coefficient | 26.1/11.3 | 24.0/10.4 | 8.8% | 27.0/11.7 | Safety coefficient ≥ 10 |
