Journal
POLYMERS
Volume 14, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/polym14132596
Keywords
solid rocket motor case (SRMC) connector; carbon fiber; lay-up; mechanical properties; finite element
Categories
Funding
- Zhejiang Provincial Natural Science Foundation of China [LGG21E050025]
- Fundamental Research Funds of Zhejiang Sci-Tech University [20202113-Y]
- Fundamental Research Funds of Shaoxing Keqiao Research Institute of Zhejiang Sci-Tech University [KYY2021001G]
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In this study, a finite element analysis of the connector in solid rocket motor cases (SRMC) was performed. The design and optimization of the connector were studied, resulting in weight reduction and improved performance. The comparison between the calculation and test results suggests that the design was reasonable and within the allowable range.
The connector is an essential component in the solid rocket motor case (SRMC), and its weight and performance can directly affect the blasting performance of SRMC. Considering the lightweight design of these structures, fiber-reinforced composite materials are used for the major components. In this study, the finite element analysis of the SRMC connector was performed. The lay-up design and structure optimum design of the connector were studied. Furthermore, the strain distribution on the composite body was compared with experimental measurements. The results demonstrate that the calculated value of the final preferred solution was within the allowable range, and at least 31% weight loss was achieved, suggesting that the performance of the optimum design was optimized. The comparison between the finite element calculation and the test results suggests that the design was within the allowable range and reasonable.
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