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...

充液对液舱振动模态影响的数值计算与模型试验研究

, PP. 37-42

Keywords: 船舶,液舱,振动模态,固有频率,附加质量,流固耦合,有限元

Full-Text   Cite this paper   Add to My Lib

Abstract:

计算船舶与海洋平台上设置的液舱振动模态影响时,舱内液体附加质量对总体振动有较大影响,为了研究其振动特性,将此耦合系统简化为充液箱体的振动,基于流固耦合理论,运用有限元软件ADINA建立有限元模型并进行数值计算.采用LMS结构模态分析系统进行实验研究,对比分析了不同充液高度下的振动低阶固有频率和振型.仿真结果与实验测量结果吻合较好,验证了仿真方法的有效性.所获结果和方法可为流固耦合方面研究提供参考.

References

[1]  ANDRIANARISON O, OHAYON R. Compressibilily and gravity effects in internal fluidstructure vibrations: Basic equations and appropriate variational formulations[J].Comput Methods Appl Mech Engrg,2006,195:1958-1972.
[2]  [2] SI X H, LU W X, CHU F L. Modal analysis of circular plates with radial side cracks and in contact with water on one side based on the RayleighRitz method[J]. Journal of Sound and Vibration, 2012, 331(1): 231-251.
[3]  [ ESMAILZADEH M, LAKIS A A, THOMASB?M, et al. Threedimensional modeling of curved structures containing and/or submerged in fluid[J]. Finite Elements in Analysis and Design,2008,44:334-345.
[4]  [4] 程选生,杜永峰. 弹性地基上矩形贮液结构的液—固耦合振动特性[J]. 工程力学,2011,28(2),186-192.
[5]  CHENG Xuan-sheng, DU Yong-feng. Vibration characteristic analysis of rectangular liquidstorage structures considering liquidsolid coupling on elastic foundation [J]. Engineering Mechanics,2011,28(2),186-192. ( in Chinese)
[6]  [5] ERGIN A,TEMAREL P. Free vibration of a partially liquidfilled and submerged,horizontal cylindrical shell[J].Journal of Sound and Vibration,2002,254(5):951-965.
[7]  [6] BISWAL K C, BHATTACHARYYA S K, SINHA P K. Free vibration analysis of liquid filled tank with baffles[J].Journal of Sound and Vibration,2003,259(1):177-192.
[8]  [7] 谢志勇,周其斗,纪刚. 双层柱壳的流固耦合模态计算与实验研究[J].海军工程大学学报,2009,21(2):97-101.
[9]  XIE Zhi-yong, ZHOU Qi-dou, JI Gang. Computation and measurement of double shell vibration mode with fluid load[j]. Journal of Naval University of Engineering,2009,21(2):97-101. ( in Chinese)
[10]  [8] ESWARAN M, SAHA U K, MAITY D, et al. Effect of baffles on a partially filled cubic tank:numerical simulation and expermental validation[J].Computers&Structures,2009,87:198-205.
[11]  [9] PANIGRAHY P K,SAHAA U K, MAITY D, et al. Experimental studies on sloshing behavior due to horizontal movement of liquids in baffled tanks[J].Ocean Engineering,2009,36:213-222.
[12]  [10] 王勖成. 有限单元法[M]. 北京:清华大学出版社,2003.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133