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- In this paper, complex modal analysis for dam-foundation interaction problem in time domain is presented, and effects of dam-foundation interaction on modal characteristics of the dam are discussed. 本文提出在时域内分析水坝与地基动力相互作用问题的复模态分析方法,讨论了水坝与地基动力相互作用对水坝模态特性的影响。
- complex modal characteristics 复模态
- In this method, the conjugate complex modal matrix is used as modal transfer matrix and the machine is decomposed into two conjugate substructures. 共轭子结构解法以共轭复模态矩阵作为模态变换矩阵，整机相应分解为两个共轭子结构。
- According to analytic transfer matrix (ATM) method, it is possible to precisely determine the modal characteristics of a planar optical waveguide with arbitrary index profiles. 利用分析转移矩阵方法,可精确计算任意折射率分布光波导模式的有效折射率。
- This paper presents a method to eliminate the effects of additive masses, stiffnesses and dampings on the complex modal parameters in experimental modal analysis. 本文提供了在实验模态分析中消除附加质量、刚度和阻尼对复模态参数影响的方法。
- In this paper the theory for modal analysis of the locomotive body is described and the modelling method as well as modal characteristics are presented. 本文系统地讨论了机车车体模态分析所涉及的模态理论,研究了车体结构的模型化方法和机车车体的模态特征。
- The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix,damping matrix and stiffness may be nonsymmetric. 把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。
- The calculated result indicates that the two dimensional analysis can really reflect the modal characteristics of the sluice,and the effect of the twist vibration of the buttress cannot be neglected. 从分析结果可以看出，二维计算才能真实地反映出水闸单墩的模态特性，并且水闸扭振的影响是不可忽略的。
- This paper describes the vibration equation of this structure, and derives the horizontal vibration displacement and acceleration response spectrum and the mean square response on the base of the complex modal analytical theory. 建立该结构体系在脉动风作用下的振动方程，基于随机振动的复模态理论，推导位移和加速度响应谱及均方响应的表达式。
- The effect of engine on modal characteristic of body and the matching of body with the excitations from engine and road were analyzed. 针对该车架提出了改进方案，模态分析表明车体结构模态特性得到了改善。
- On the basis of modaling experiments, the squealing characteristic of drum brake, when motor vehicle is being braked, is studied by applying modal synthesis and complex modaling methods. 在模态试验的基础上,用模态综合及复模态方法分析了汽车制动时鼓式制动器的尖叫特性。
- Modal Characteristics Analysis of Large Flexible Solar Panel 大型柔性太阳电池翼模态参数计算
- COMPLEX MODAL ANALYSIS OF BENDING VIBRATION OF A VISCOELASTIC BEAM 黏弹性梁弯曲振动的复模态分析
- Mother and baby interact in a very complex way. 母亲与婴儿以非常复杂的方式相互影响。
- The Analysis of Static and Modal Characteristics of the Frame of Wingspan Van 翼展式厢式货车车厢骨架强度与模态分析
- COMPLEX MODAL MATRIX PERTURBATION METHOD FOR ENERGY DISSIPATION SYSTEMS 耗能减震结构的复模态矩阵摄动法
- Some of them developed a great inferiority complex. 他们有些人养成了严重的自卑感。
- My grandmother has a complex against foreigners. 我奶奶对外国人抱有偏见。
- Complex Modal Analysis of a Taut Cable with Three-Element Maxwell Damper 斜拉索-三单元Maxwell阻尼器系统的复模态分析
- Life is getting more complex and difficult. 生活正在变得越来越复杂和艰难。
