超声速单轨火箭橇动态载荷预示技术研究
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摘要
以超声速单轨火箭橇为研究对象,采用有限元结构动力学仿真分析方法建立了非线性橇-轨耦合动力学模型,对比分析了理想平直轨和不平顺轨模型工况下前后滑靴的振动量,进行火箭橇试验验证和数据对比。结果表明:不平顺轨对火箭橇动态响应影响较大,且随机振动特性显著;最大速度时刻的动态载荷预示结果与实测值在侧、竖向振动量值上具有很好的一致性。
Based on the supersonic monorail rocket sled,the dynamic load prediction of the coupled sledtrack system was researched. The nonlinear coupled rocket sled-track models were established by using the finite element structural dynamic simulation method,including the straight and irregular rail models. Then the vibrations were analyzed separately,and the result was compared with the rocket sled test's. These researches show that: Track irregularities affect the dynamical responses seriously,and the random vibration performance is obvious. The vertical and lateral dynamic load prediction results at maximum velocity are consistent with test results. These studies provide theoretical basis and numerical support for rocket sled structure optimization design and dynamic load prediction of hypersonic velocity rocket sled.
Based on the supersonic monorail rocket sled,the dynamic load prediction of the coupled sledtrack system was researched. The nonlinear coupled rocket sled-track models were established by using the finite element structural dynamic simulation method,including the straight and irregular rail models. Then the vibrations were analyzed separately,and the result was compared with the rocket sled test's. These researches show that: Track irregularities affect the dynamical responses seriously,and the random vibration performance is obvious. The vertical and lateral dynamic load prediction results at maximum velocity are consistent with test results. These studies provide theoretical basis and numerical support for rocket sled structure optimization design and dynamic load prediction of hypersonic velocity rocket sled.
引文
[1]董治华,肖军,张林锐,等.火箭橇减振系统设计[J].兵器装备工程学报,2018,39(8):15-20.
[2]申晓敏,钱礼华,刘保炜,等.数字量存储测试装置设计[J].兵器装备工程学报,2016,37(8):109-112.
[3]陈亚奇,王艳艳,白蕾,等.火箭橇试验动态点火信号监测方法[J].兵器装备工程学报,2016,37(5):74-76.
[4] GREENBAUM G A,GAMER T N,PLATUS D L. Development of Sled Structural Design Procedures[R]. AFSWCTR-73-22, 6585 Test Group, Holloman AFB, NM,USA,1973.
[5] HOOSER M D,MIXON L C. Comparison of sled lmpact Momentum and Rail Momentum[R]. Holloman High Speed Test Track Technical Report,2000.
[6] FURLOW J S,JOHN S F. Parametric Dynamic Load Prediction of a Narrow Gauge Rocket Sled[D]. New Mexico State University,Las Cruces,NM,USA,2006.
[7] FURLOW J S. DADS Contact Formulation Using PRONTO FEM Results[C]//Southern New Mexico Technology Symposium,Alamogordo,NM,USA,2006.
[8]张雨诗,余元元,赵良玉.火箭橇轨道系统有限元建模及振动特性研究[J].兵器装备工程学报,2018,39(7):56-60.
[9]王健.高速火箭橇-轨道系统耦合动力学研究[D].南京:南京理工大学,2011.
[10]王新敏. ANSYS结构动力学分析与应用[M].北京:人民交通出版社,2014.
[11]李裕春,时党勇,张胜民.基于ANSYS/LS-DYNA11. 0基础理论与工程实践[M],北京:中国水利水电出版社,2008.
[12]刘成清,何斌,陈驰,等. ANSYS/LS-DYNA工程结构抗震、抗撞击与抗连续倒塌分析[M].北京:中国建筑工业出版社,2014.
[2]申晓敏,钱礼华,刘保炜,等.数字量存储测试装置设计[J].兵器装备工程学报,2016,37(8):109-112.
[3]陈亚奇,王艳艳,白蕾,等.火箭橇试验动态点火信号监测方法[J].兵器装备工程学报,2016,37(5):74-76.
[4] GREENBAUM G A,GAMER T N,PLATUS D L. Development of Sled Structural Design Procedures[R]. AFSWCTR-73-22, 6585 Test Group, Holloman AFB, NM,USA,1973.
[5] HOOSER M D,MIXON L C. Comparison of sled lmpact Momentum and Rail Momentum[R]. Holloman High Speed Test Track Technical Report,2000.
[6] FURLOW J S,JOHN S F. Parametric Dynamic Load Prediction of a Narrow Gauge Rocket Sled[D]. New Mexico State University,Las Cruces,NM,USA,2006.
[7] FURLOW J S. DADS Contact Formulation Using PRONTO FEM Results[C]//Southern New Mexico Technology Symposium,Alamogordo,NM,USA,2006.
[8]张雨诗,余元元,赵良玉.火箭橇轨道系统有限元建模及振动特性研究[J].兵器装备工程学报,2018,39(7):56-60.
[9]王健.高速火箭橇-轨道系统耦合动力学研究[D].南京:南京理工大学,2011.
[10]王新敏. ANSYS结构动力学分析与应用[M].北京:人民交通出版社,2014.
[11]李裕春,时党勇,张胜民.基于ANSYS/LS-DYNA11. 0基础理论与工程实践[M],北京:中国水利水电出版社,2008.
[12]刘成清,何斌,陈驰,等. ANSYS/LS-DYNA工程结构抗震、抗撞击与抗连续倒塌分析[M].北京:中国建筑工业出版社,2014.