Research Article
Multiobjective Optimization of Stress-Release Boot of Solid Rocket Motor under Vertical Storage Based on RBF Model
Table 1
Material parameters of the SRM.
| Material parameters | Elastic modulus (MPa) | Poisson’s ratio | Density (kg/m3) | Expansion coefficient (°C-1) |
| Case | | 0.300 | | | Insulator | 60.00 | 0.498 | | | Cladding | Prony series | 0.498 | | | Propellant | Prony series | 0.498 | | |
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