基于计算模态，建立箱体的振动测试模型。
Based on theoretical modes, this paper illustrates the model for testing vibration of the cabinet.
然后建立了箱体的有限元模型，对其进行了计算模态分析。
Then, a finite element model of the cabinet was established for calculating modal analysis.
应用an - SYS对运煤敞车空车和重车进行计算模态分析。
The numerical modal analyses of the empty and full loaded open boxcar are carried out in the ANASYS software.
应用振动理论、有限元方法、模态分析理论对干燥机进行了计算模态分析和动态试验。
The paper applies the vibration theory, modal analysis theory and the technique of vibration testing & signal processing to make an analysis of the calculating modal and test dynamic characteristics.
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.
每当用户通过调整模态参数来调整频率时，模态声音模型将完全改变，迫使用户重新计算模态振动和声音辐射，这些计算非常耗时。
Whenever the user tweaks modal parameters to adjust frequencies the modal sound model changes completely, necessitating expensive recomputation of modal vibration and sound radiation.
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.
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.
采用经验公式计算各子系统模态密度，最后利用统计能量法来预报潜艇首部声呐平台区自噪声，得到了令人满意的结果。
The subsystems' mode density is calculated by empirical formulas. Finally, SEA is adopted to predict self-noise in sonar platform area and satisfying results are obtained.
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.
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.
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.
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.
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.
某驱逐舰典型对称响应的计算结果表明，在低阶模态对称运动下，切片理论可以很好地满足实际强度分析的需要。
The typical results of symmetric responses of a destroyer show that strip theory can cope adequately with the lower modes of symmetric motion and well suffice for practical strength analysis.
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.
利用有限元方法对摩托车车架动态特性进行了分析计算，并通过实验模态方法进行了相应的实验验证，获得了车架模态参数和振型。
It is analyse and calculation about the dynamic characteristic of motorcycle frame by FEM model, carry on validation through experimental modal method, Get back frame modal parameter and shake type.
模态综合法是计算大型复杂结构动态参数十分有效的方法。
The modal synthesis method is a more effective method for calculating dynamic parameters of large complicated structure.
本文主要研究旨在探索运用模态实验、计算机仿真分析及优化对机床结构进行指定目标下的动态设计。
The aim of this thesis is to explore applications of modal experimental analysis, computer simulation and dynamic optimum design of machine structures on the assigned design goals.
介绍了压电模态传感器的实现原理，并给出了由实测压电单元输出得到结构模态响应的计算公式。
The principle of piezoelectric modal sensor is introduced and the formulas for calculating modal responses according to measured piezoelectric outputs are gained.
介绍了压电模态传感器的实现原理，并给出了由实测压电单元输出得到结构模态响应的计算公式。
The principle of piezoelectric modal sensor is introduced and the formulas for calculating modal responses according to measured piezoelectric outputs are gained.
应用推荐