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基于等效梁模型的运载火箭动力学特性仿真预示研究

朴思扬 朱春艳 褚福运 张亚辉

朴思扬, 朱春艳, 褚福运, 张亚辉. 基于等效梁模型的运载火箭动力学特性仿真预示研究[J]. 应用数学和力学, 2020, 41(3): 280-291. doi: 10.21656/1000-0887.400256
引用本文: 朴思扬, 朱春艳, 褚福运, 张亚辉. 基于等效梁模型的运载火箭动力学特性仿真预示研究[J]. 应用数学和力学, 2020, 41(3): 280-291. doi: 10.21656/1000-0887.400256
PIAO Siyang, ZHU Chunyan, CHU Fuyun, ZHANG Yahui. Dynamic Characteristics Prediction of Launch Vehicles Based on the Equivalent Beam Model[J]. Applied Mathematics and Mechanics, 2020, 41(3): 280-291. doi: 10.21656/1000-0887.400256
Citation: PIAO Siyang, ZHU Chunyan, CHU Fuyun, ZHANG Yahui. Dynamic Characteristics Prediction of Launch Vehicles Based on the Equivalent Beam Model[J]. Applied Mathematics and Mechanics, 2020, 41(3): 280-291. doi: 10.21656/1000-0887.400256

基于等效梁模型的运载火箭动力学特性仿真预示研究

doi: 10.21656/1000-0887.400256
基金项目: 国家自然科学基金(11672060);载人航天领域预先研究项目(010101)
详细信息
    作者简介:

    朴思扬(1992—),男,博士生(E-mail: siyang_piao@mail.dlut.edu.cn);朱春艳(1985—),女,高级工程师(E-mail: zhuchunyan@fudan.edu.cn);褚福运(1986—),男,高级工程师(E-mail: chu_fuyun@163.com);张亚辉(1972—),男,教授,博士生导师(通讯作者. E-mail: zhangyh@dlut.edu.cn).

  • 中图分类号: V414

Dynamic Characteristics Prediction of Launch Vehicles Based on the Equivalent Beam Model

Funds: The National Natural Science Foundation of China(11672060)
  • 摘要: 针对运载火箭动力学特性仿真预示问题,提出了一种基于等效梁模型,其是可考虑贮箱内液体推进剂影响高效、准确的仿真预示方法.应用等效厚度法建立了运载火箭的等效梁模型,并将运载火箭精细有限元模型的模态分析结果作为目标,通过有限元模型修正提升了等效梁模型的精度.以某型号运载火箭为算例,应用该文方法,建立了其等效梁模型,并基于集中质量法和耦合质量法两种液体推进剂等效方法对其进行了考虑贮箱内液体推进剂影响的动力学特性预测,比较了两种方法的分析结果.
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出版历程
  • 收稿日期:  2019-08-30
  • 修回日期:  2019-09-18
  • 刊出日期:  2020-03-01

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