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Abaqus的CEL算法在整流罩平抛仿真
Authors
孙良杰
明爱珍
+4 more
杨毅强
杨浩亮
王英诚
薛子旺
Publication date
22 November 2022
Publisher
Doi
Abstract
整流罩的平抛分离方式与旋转分离方式相比,具有罩内包络空间大、可容纳更多卫星、对飞行的干扰小、适应大质量大过载等优势。针对国内无法在真空罐内进行平抛分离试验验证的问题,通过Abaqus基于欧拉-拉格朗日流固耦合算法(Coupled Eulerian-Lagrangian,CEL)的计算优势进行平抛整流罩数字模拟仿真,为结构设计和平抛技术验证提供支撑。首先建立了整流罩有限元模型的简化方法,基于简化模型进行复杂流固耦合算法,对其真空分离试验进行了仿真预示。基于CEL算法的仿真结果能较好地模拟出平抛分离试验,可以作为工程应用提供指导和方法
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 27/04/2023