逆子结构法传递路径分析方法研究
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摘要
文章阐述了传递路径分析(transfer path analysis,TPA)与逆子结构法的基本原理,针对现有TPA方法存在的不足,引入逆子结构法,实现激励源耦合TPA;对该方法的基本公式进行推导,探讨了其具体实施流程,并利用集总参数模型对该方法进行了验证。分析结果表明,逆子结构法能够准确识别结构动态参数,为进一步传递路径分析提供了可靠的建模数据;所识别出的子结构动态特性用于贡献量分析,找出了引起系统目标响应过大的根本原因,证明了逆子结构法TPA的高效与高精度特点。
In this paper, the basic principles of transfer path analysis(TPA) and inverse substructuring method were reviewed, and then a TPA method based on inverse substructuring method which can overcome the shortcoming of the existing TPA techniques was proposed to conduct TPA with coupled excitation source. The basic formulations of this method were derived, and the concrete practice process was discussed. The method was validated by the lumped parameter model and the analysis results show that inverse substructuring method is capable of accurate identification of structural dynamic parameters, providing reliable data for further TPA modeling. Using the identified substructure dynamic data for contribution analysis, the root causes for the significant responses of the target points of system were found, which proved the high efficiency and high precision of inverse substructuring TPA method.
In this paper, the basic principles of transfer path analysis(TPA) and inverse substructuring method were reviewed, and then a TPA method based on inverse substructuring method which can overcome the shortcoming of the existing TPA techniques was proposed to conduct TPA with coupled excitation source. The basic formulations of this method were derived, and the concrete practice process was discussed. The method was validated by the lumped parameter model and the analysis results show that inverse substructuring method is capable of accurate identification of structural dynamic parameters, providing reliable data for further TPA modeling. Using the identified substructure dynamic data for contribution analysis, the root causes for the significant responses of the target points of system were found, which proved the high efficiency and high precision of inverse substructuring TPA method.
引文
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[5] 张磊,曹跃云,杨自春,等.双层圆柱壳体水下振动噪声结构传递路径分析[J].振动与冲击,2012,31(20):12-16.
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[10] AUWERAER H V D,MAS P,DOM S,et al.Transfer path analysis in the critical path of vehicle refinement:the role of fast,hybrid and operational path analysis:SAE Technical Papers 2007-01-2352[R].[S.l.]:SAE,2007.
[11] SEIJS M V V D,KLERK D D,RIXEN D J.General framework for transfer path analysis:history,theory and classification of techniques[J].Mechanical Systems & Signal Processing,2015,68:1-28.
[12] 郭荣,裘剡,房怀庆,等.频域传递路径分析方法(TPA)的研究进展[J].振动与冲击,2013,32(13):49-55.
[13] LIU L.A frequency response function-based inverse substructuring approach for analyzing vehicle system NVH response[D].Tuscaloosa:The University of Alabama,2002.
[14] 王军,王志伟,卢立新,等.多部件耦合包装系统逆子结构分析一般性理论[J].振动与冲击,2014,33(7):58-62.
[15] 王启利,王军.基于逆子结构的产品包装耦合系统传递路径分析[J].包装工程,2015(19):7-12.
[16] 郭荣,周圣奇,章桐,等.基于逆子结构法的振源耦合虚拟传递路径分析[J].同济大学学报(自然科学版),2015,43(4):584-591.
[2] 王万英,靳晓雄,彭为,等.轮胎振动噪声结构传递路径分析[J].振动与冲击,2010,29(6):88-92.
[3] MUCCHI E,VECCHIO A.Experimental vibro-acoustic transfer path analysis on helicopters[C]//ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference.[S.l.]:ASME,2013:V008T13A008.
[4] 曹跃云,张磊,杨自春,等.船舶振动噪声源传递路径分析及试验验证[J].振动与冲击,2013,32(22):158-162.
[5] 张磊,曹跃云,杨自春,等.双层圆柱壳体水下振动噪声结构传递路径分析[J].振动与冲击,2012,31(20):12-16.
[6] ZHENG S,HAO P,LIAN X,et al.Time-domain transfer path analysis of multiple moving noise sources[J].Noise Control Engineering Journal,2011,59(5):541-548.
[7] JIANG W,LIM T C.Time-domain two-substructure transfer path analysis of transient dynamic response in mechanical systems with weak nonlinear couplings[J].Journal of the Acoustical Society of America,2010,127(3):357-370.
[8] 郝鹏,郑四发,连小珉.运动噪声源的时域传递路径模型及贡献率分析[J].机械工程学报,2012,48(8):104-109.
[9] 褚志刚,熊敏,杨洋,等.车内噪声时域传递路径分析[J].振动与冲击,2015,34(17):161-166.
[10] AUWERAER H V D,MAS P,DOM S,et al.Transfer path analysis in the critical path of vehicle refinement:the role of fast,hybrid and operational path analysis:SAE Technical Papers 2007-01-2352[R].[S.l.]:SAE,2007.
[11] SEIJS M V V D,KLERK D D,RIXEN D J.General framework for transfer path analysis:history,theory and classification of techniques[J].Mechanical Systems & Signal Processing,2015,68:1-28.
[12] 郭荣,裘剡,房怀庆,等.频域传递路径分析方法(TPA)的研究进展[J].振动与冲击,2013,32(13):49-55.
[13] LIU L.A frequency response function-based inverse substructuring approach for analyzing vehicle system NVH response[D].Tuscaloosa:The University of Alabama,2002.
[14] 王军,王志伟,卢立新,等.多部件耦合包装系统逆子结构分析一般性理论[J].振动与冲击,2014,33(7):58-62.
[15] 王启利,王军.基于逆子结构的产品包装耦合系统传递路径分析[J].包装工程,2015(19):7-12.
[16] 郭荣,周圣奇,章桐,等.基于逆子结构法的振源耦合虚拟传递路径分析[J].同济大学学报(自然科学版),2015,43(4):584-591.
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