So it has important value both on theory and practical application to perform uncertain structural analysis for SRM grain.
因此,进行固体火箭发动机药柱的不确定结构分析具有重要的理论价值和工程实际意义。
There are several mathematical models in present researches or applications about uncertain structural analysis, such as stochastic model, fuzzy model, convex model and interval one etc.
现在结构分析中应用的不确定性模型主要有随机模型,模糊模型,凸模型以及区间模型。
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