Predicting the mechanical behaviour of large composite rocket motor cases

机译：预测大型复合火箭电机箱的力学行为

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A method to develop finite element models of the rocket motor cases of a strategic missile is presented. Based on the use of multivariate analyses, this approach is made necessary given the impossibility to control all input data: difficult characterization of filament wound materials, influence of manufacturing and qualification processes, unknown fabrication parameters, etc. An initial reference model is built up using preliminary data and theoretical winding laws. Having compared the models predictions and available structural test results, a sensitivity analysis is carried out to discuss the individual influence of the input data on the accuracy of the predictions. The multivariate analysis finally enables a global assessment of the parametric analysis results.

机译：提出了一种开发战略导弹火箭电机壳体有限元模型的方法。基于多变量分析的使用，鉴于控制所有输入数据的不可能性：灯丝伤口材料的困难表征，制造和鉴定过程的影响，未知的制造参数等。建立初始参考模型初步数据和理论卷绕法。已经进行了模型预测和可用的结构测试结果，进行了灵敏度分析，以讨论输入数据对预测准确性的各个影响。多变量分析最终能够全局评估参数分析结果。

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《International Conference on High Performance Structures and Materials》|2006年||共9页
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N. Couroneau; Wessex Institute of Technology(WIT)(GB); Free University of Brussels(BE); High Performance Structures and Materials Book Series;
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中图分类工程材料一般性问题;
关键词
rocket motor case; composite filament winding; finite element model; variable scattering; multivariate analysis; test prediction;

机译：火箭电机;复合灯丝绕组;有限元模型;可变散射;多变量分析;测试预测;

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3. Effect of curing method on mechanical and morphological properties of carbon fiber epoxy composites for solid rocket motor [J] . Ma Renli, Chang Xinlong, Zhang Xiaojun, Polymer Composites . 2015,第9期

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4. Predicting the mechanical behaviour of large composite rocket motor cases [C] . N. Couroneau International Conference on High Performance Structures and Materials; 2006; Ostends(BE) . 2006

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5. A STUDY OF COMBUSTION AND FLOW BEHAVIOUR IN SOLID-PROPELLANT ROCKET MOTORS. [D] . GREATRIX, DAVID ROBERT. 1987

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Predicting the mechanical behaviour of large composite rocket motor cases

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