本文提出了一种计及流体与结构相互作用时船体结构模态计算的方法。
The paper presents a method for calculating the modes of ship structure in water, in which the fluid-structure interaction is taken into account.
对弹性轮对进行了应力、变形和模态计算分析，并与刚性轮对的结果相比较。
Stresses, deformations and modalities of the resilient wheelset are analyzed. The calculative results are compared with those of the rigid wheelset.
本文利用有限元模态计算的结果，进行模态测试前的测点和激励点的优化研究。
Using the results of FE modal calculation, optimization of exciting and measuring positions have been carried out before the modal test.
利用ANSYS软件对某进口微型电动轿车车身骨架进行了强度、刚度和模态计算。
The computation of strength and stiffness and modal analysis for the body framework of an imported electric mini-car were carried out by using ANSYS software.
进一步进行了试验系统的有限元模态计算，并利用模态测试对有限元计算的有效性进行了验证。
Modal calculation of resonant bending system was made with the finite element method, and the results are validated by the modal test.
通过有限元模型和实际结构的曲率模态计算得到结构损伤因子，通过分析该损伤因子，可以判断实际结构的损伤位置。
Through comparing the curvature modes of real structure with finite element model, a damage factor was gained. Based on analyzing the damage factor, damage location can be identified.
这对于人机自然交互，听觉视觉双模态语音识别，计算机视觉的研究都有重要意义。
It is important for the study of man machine natural interaction, audiovisual bimodal speech recognition and computer vision.
该方法作为动态激励的压电模态响应易于实时监测，迭代过程简单可靠、计算速度快、识别精度较高，适用于任意形状和边界条件的复杂型智能结构。
The method is simple, credible and has high precise and rapid calculation velocity, which is suit for the piezoelectric smart structure with complex shape and boundary conditions.
进而将齿轮的参数化模型导入通用有限元分析软件ANSYS，对其模态进行计算分析。
And import the model into the finite element analysis software of ANSYS for modal calculation and analysis.
本文提出了一种简便计算置于无限大障板上裂纹薄板水中振动频率和模态辐射效率的计算方法。
A simple method for computing the modal vibration frequencies and sound radiation efficiencies of a thin cracked baffled plate in water is described.
本文给出了一种汽轮发电机组轴系扭转振动模态对数衰减率的计算方法。
This paper presents a method for calculating the modal logarithmic decay ratio of the shaft set torsional vibration in a turbogenerator unit.
本文提出一种分析机车横向运动稳定性的方法，即利用复模态的矩阵摄动法来计算临界速度。
This paper presents a new method of analyzing locomotive lateral stability, that is, the critical velocity is calculated by use of the complex mode matrix perturbation theory.
针对现有结构灵敏度分析方法中存在的问题，借鉴于模态综合技术在计算上的简便性，提出并建立了结构灵敏度分析的子结构方法(SSSA法)。
In this paper, the substructure method (SSSA), which USES the technique of modal synthesis to simplify the calculation, is aimed at the improvement on the weakness in the existing methods.
准确计算定子模态和固有频率是降低电机噪声和振动的基础。
Calculation of the stator modal frequencies of an electrical machine accurately is the base of reducing acoustic noise and vibration.
本文建立了粘弹阻尼结构频响函数计算的高精度模态展开法。
An accurate modal superposition method for calculating frequency response function of viscoelastically damped structures is put forward.
目前，命题模态逻辑已成为人工智能以及计算机科学等其他领域的有效工具，但谓词模态逻辑却不是。
Propositional modal logic is now an effective tool in artificial intelligence and other areas of computer science, but predicate modal logic is not.
建立了发动机实体和有限元模型，介绍了计算模态分析和模态相关性分析的一般方法与理论。
The method of the calculated modal analysis and the modal correlation is introduced, and the geometrical model and finite element model are established.
数值计算结果表明低阶模态对壳体声辐射起着主要作用。
Computation results show that the low order modes take main effect in sound radiation.
分别采用直接法和模态叠加法，计算声场-结构耦合系统的声压响应水平及其敏度。
The modal frequency response and its sensitivity analysis for the coupled system using the direct method and the eigenmodes.
首先，应用有限元方法，基于曲率模态叠加原理计算曲率，进而计算应变、应力。
Firstly, with the curvature modal superposition method, the dynamic stress responses is calculated.
开发的程序可以计算转子各阶模态振型与临界转速，进行稳定性的分析。
The program can calculate modal shapes and critical speeds, analyze the stability of the rotor system.
试验模态分析与有限元计算相结合的研究方法是一种实用、可靠的结构动态分析的现代方法。
Dynamic analysis of structure through combining the finite element method with the experimental mode is a practical reliable and effective modern method.
根据实验模态分析的需要，论述用计算机动画实现结构模态分析动画显示方法。
This paper expounds a method of realizing animated display of structure model by computer animation at the request of test model analysis.
然后根据模态参数计算叶片对气动激励的位移响应，并通过对位移响应的有限差分计算应力响应。
Displacement response to aerodynamic excitation is calculated based on the modal parameters and stress response is obtained by finite differencing of the displacement.
模态试验和仿真计算的对比分析结果表明，所建立的白车身有限元模型较好地反映了原结构的振动特性。
The contrastive analysis of modal test and simulation computation show that the finite element model of body-in-white has well represented the vibration characteristics of the original structure.
通过对接触网刚性悬挂的模型的假设在ANSYS软件中建立了有限元模型，经模态分析计算得到了接触网刚性悬挂固有频率。
The ANSYS software is used to carry out the mode analyzing calculation and obtain the inherent frequency of the overhead rigid suspension catenary.
通过理论计算及试验模态分析，研究了磁悬浮阻尼器参数对系统弯曲模态阻尼比的影响。
Influence of the magnetic damper on bending modal damping of the system is studied by theoretical and experimental modal analysis.
通过理论计算及试验模态分析，研究了磁悬浮阻尼器参数对系统弯曲模态阻尼比的影响。
Influence of the magnetic damper on bending modal damping of the system is studied by theoretical and experimental modal analysis.
应用推荐