全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

变质量梁的自适应Newmark法

DOI: 10.13700/j.bh.1001-5965.2013.0400, PP. 829-833

Full-Text   Cite this paper   Add to My Lib

Abstract:

用变质量梁来模拟推进剂减少的液体火箭.先以一弹簧-变质量小球系统为例,用其求解结果与解析解进行比较.再以时不变的简支梁为算例,确定多自由度系统下与结构动特性协同的自适应Newmark方法中的参数选取.最后用时变的简支梁模型模拟贮箱质量的实际变化方式,运用与结构动特性协同的自适应Newmark方法、模态叠加法、Newmark平均加速度方法(NMA法)和Fox-Goodwin方法(NMF法)对其求解.比较结果证明自适应Newmark算法对于时变系统的适用性,尤其具有高精度特性.

References

[1]  邢誉峰,李敏. 工程振动基础[M].2版.北京:北京航空航天大学出版社,2011:72-88 Xing Yufeng,Li Min.Foundation of engineering vibration[M].2nd ed.Beijing:Beihang University Press,2011:72-88(in Chinese)
[2]  Meshcherskii I V.Dynamics of a point of variable mass[D]. st Petersburg: Printing House of the Imperial Academy of Sciences,1897
[3]  Arutyunyan N K. Boundary value problem of the theory of creep for a body with accretion[J].Applied Math and Mech,1977, 41(5): 804-807
[4]  邢誉峰,李敏. 工程振动基础[M].2版.北京:北京航空航天大学出版社,2011:72-88 Xing Yufeng,Li Min.Foundation of engineering vibration[M].2nd ed.Beijing:Beihang University Press,2011:72-88(in Chinese)
[5]  Arutyunyan N K, Metlov V V.Some problems in the theory of creep in bodies with variable boundaries[J].Mech of Solids,1982,17(5):92-95
[6]  Arutyunyan N K, Namov V E.The theory of viscoelastic Plasticity of a growing body [J].Applied Math and Mech,1984, 48(1): 1-4
[7]  Meirovitch L. General motion of a variable mass flexible rocket with internal flow[J].Journal of Spacecraft and Rockets,1970, 7(2): 186-195
[8]  Banerjee A K. Dynamics of a variable-mass,flexible-body system[J].Journal of Guidance,Control,and Dynamics,2000,23(3):501-508
[9]  McGhee D S. A method for incorporating changing structural characteristics due to propellant mass usage in a launch vehicle ascent simulation[R].NASA/TM-2004-213,2004
[10]  Huang X, Zeiler T A.Dynamics of flexible launch vehicles with variable mass[R].AIAA-2006-826,2006
[11]  邢誉峰,李敏. 计算固体力学原理与方法[M].北京:北京航空航天大学出版社,2011:51-59,218-223 Xing Yufeng,Li Min.The principle and method of computation solid mechanics[M].Beijing:Beihang University Press,2011: 51-59,218-223(in Chinese)
[12]  邢誉峰,郭静. 与结构动特性协同的自适应Newmark方法[J].力学学报,2012,44(5):904-911 Xing Yufeng,Guo Jing.A self-adaptive newmark method with parameters dependent upon structural dynamic characteristics[J].Chinese Journal of Theoretical and Applied Mechanics,2012,44(5):904-911(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133