| SRM | Solid Rocket Motor |
| HTPB | Hydroxy-Terminated Liquid Polybutadiene Rubber |
| FMECA | Failure Mode, Effects and Criticality Analysis |
| FTA | Fault Tree Analysis |
| PCE | Polynomial Chaos Expansion |
| Nomenclature | |
| T0 | Initial temperature of 0 degrees stress temperature |
| εθ | Maximum circumferential strain |
| εm | Maximum stretching elongation |
| γ8 | Octahedral she ar strain |
| γ8m | Octahedral shear strain critical value |
| εv | Von Mises strain |
| σn | Normal tensile stress |
| τt | Tangential shear stress |
| ui | Deformation |
| Kig | Stress intensity factor |
| Jg | J integra |
| Gg | Energy release rate |
| KigC, | Fracture toughness |
| JgIC | Critical J |
| RgIC | Propagation resistance of grain crack |