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GMS软件入门及实例演示
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Coupling in ANSYS is used to simulate rivet joints and element type is SHELL63.Experimental modal analysis confirmed that the FEM model is reliable.
在ANSYS中用耦合来模拟车架纵、横梁以及连接板之间的铆接,单元类型采用的是板壳单元SHELL63。 车架有限元模型正确性通过实验得到了验证。
At last, illustrating the correctness and reliability of the above works and the FEM model through contrast calculation and experiment validation.
最后通过与现场调研数据的对比计算和与实验的间接验证，说明了前述工作和所建立的有限元模型的正确性与可靠性。
According to the energy method and Timoshenko beam theory,the FEM model analyzing harmonic response of CWR(continunes welded rail) under the axially load was developed based on the mode superposition method.
根据能量法和Timoshenko梁理论,运用振型叠加法建立轴向载荷作用下无缝线路钢轨谐响应有限元模型,分析了不同温度力作用对轨道结构钢轨振动特性的影响。
3.Based on a series of assumption, create the FEM model, and discuss mesh technology, stress-strain relations, interface contact and calculation methods.
3.在一系列假定基础上建立有限元模型,并对模型建立过程中的网格剖分技术、材料本构模型、界面接触处理方法及求解过程中的计算方法做了详细阐述。
The force are loaded onto the FEM model according to their distribution using sofware PATRAN/NASTRAN , and the values and fringes of stress and deformation are used to predict the security of structure.
用PATRAN/NSTRAN软件建立有限元模型,将墩木支反力的分布形式加载到有限元模型上进行计算,得出结构的应力响应和变形,校核是否满足要求,对下水船局部结构的安全性进行预报.
Using the finite element analysis software COSMOS, the FEM model of the hydraulic support crucial component is established and static analysis is completed.
利用有限元分析软件COSMOSD建立了液压支架关键零部件的有限元分析，并完成其静态分析和校核，保证了液压支架结构件强度达到设计要求。
Aimed at the time-effect problem in excavation engineering, considered the process of construction and rheology of soil, the FEM model which was built by PLAXIS, was based on the Soft Soil Creep model.
针对基坑工程中的时间效应问题,利用PLAXIS有限元软件建立了以软土流变粘弹塑性模型(SSC模型)为基础的考虑土体流变性的基坑工程分步开挖有限元分析模型。
This paper set up the FEM model of the slip through ANSYS, simulates the floor, truss, shear connector by the shell, rigid frame and connector elements.
本文构建了交错桁架结构体系的楼板与钢桁架交界面上滑移的ANSYS模型，把楼板、钢桁架杆件和剪力连接件分别用板单元、刚架单元、连接单元这三种单元来模拟。
Combining the MR fluid flow model and the FEM model of the MR valve,the relation curves of damping force versus piston velocity of the MR damper are obtained.
将MR流体流动模型和MR阀有限元结果相结合,求得了不同MR流体行为指数和不同磁场作用下阻尼力随活塞速度的变化规律。
Combining the MR fluid flow model and the FEM model of MR valve,the relation curves of damping force vs.piston velocity of the MR damper were obtained.
将MR流体流动模型和流口有限元结果相结合,获得了不同MR流体行为指数和不同磁场作用下阻尼力随活塞速度的变化规律。
Matlab AND PROGRAMMING FOR FEM
Matlab与有限元程序设计
Marc FEM software.
Marc软件对所设计的模具结构进行优化。
Dynamic Analysis of the Motorcycle by FEM
摩托车有限元动态特性分析
Visualization of the FEM Analysis Data
有限元计算结果的可视化处理
It is shown that the FEM model is
satisfactory.
这一模型可在设计该类执行器时使用
查询“the fem model”译词为用户自定义的双语例句&&&&我想查看译文中含有：的双语例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。&&&&&&&&&&&& It is important that a model with the real original platform dynamic characteristics is taken for a standard of comparison when the dynamic flexibility method is used to diagnose the damage position in the pile-foundation jacket platform. Because of the factors in the materials and technology, the stiffness matrix in the finite element method ( FEM ) , such as the joint stiffness, is difficult to be accur- ately established. So the computational model of the FEM must be modified using... It is important that a model with the real original platform dynamic characteristics is taken for a standard of comparison when the dynamic flexibility method is used to diagnose the damage position in the pile-foundation jacket platform. Because of the factors in the materials and technology, the stiffness matrix in the finite element method ( FEM ) , such as the joint stiffness, is difficult to be accur- ately established. So the computational model of the FEM must be modified using the test-analysis model value. The measured degrees of freedom in the on-site test are usually much less than the degrees of freedom (DOF)of the FEM computation. In this paper, a computation method has been developed in Order to compare the FEM with the test results directly. The structure is divided into the "master" and "slave" degrees of freedom. The "master" degrees of freedom correspond to the measured degrees of freedom. The simplified model can be obtained with the modal reduction. Then the design sensitivity analysis of the eigenvalues and eigenvectors has been carried out using the modal frequency and modal shape of the test. In this paper, a two-storey frame structure and a jacket model structure have been calculated. Meanwhile, the modified coeffients, the FEM computational and experimental values have been given. It has been show that the FEM model, modified, using the test modal value is efficient.利用动柔度法来进行桩基导管架平台损伤部位诊断,需要有一个能真实地反映原始平台动力特性的模型作为比较的基准。一般可用设计过程中的有限元模型作基准,但由于材料、工艺等因素,其有限元刚度阵特别是接头刚度很难准确地确定,故需通过模态实验来修正计算模型。通常,实测模志均少于测量自由度数,更远小于有限元自由度数。为了使测点与有限元分析自由度相对应,本文提出一种计算方法,将结构分为主、次自由度,主自由度对应测试点,用凝聚得到简化模型,并对简化模型的特征解进行灵敏度分析,利用实验测得的模态来修正有限元值,从而得到一个能够正确地反映结构特性的较为精确的有限元计算模型,然后,利用广义动柔度法检测损伤位置,提出一种确定损伤位置的计算方法。在文中给出了二层框架的计算和实验结果以及修正参数和二层框架损伤位置的确定。结果表明,利用实验模态修正计算数学模型,该方法是一种可行的途径。 For the design and numerical calculation of circular high pressure tunnel with reinforced concrete lining, one of the most important numerical treatment is the accurate in-situ stress modelling, so as to make the judgement if the in-situ stresses are still larger than that stresses caused by internal pressure, i. e. it will not lead to the hydraulic fracture in the rockmass. That is to say, for the long-term operation, if there is no tensile stress in the rockmass or the tensile stress is much less than the... For the design and numerical calculation of circular high pressure tunnel with reinforced concrete lining, one of the most important numerical treatment is the accurate in-situ stress modelling, so as to make the judgement if the in-situ stresses are still larger than that stresses caused by internal pressure, i. e. it will not lead to the hydraulic fracture in the rockmass. That is to say, for the long-term operation, if there is no tensile stress in the rockmass or the tensile stress is much less than the rock ultimate tensile strength (the tensile stress in the rockmass is equal to the in-situ stress plus the tensile stress caused by the internal pressuse), no hydraulic fracture will take place in the rockmass during the operation. To model the in-situ stresses by thermal stresses can get the satisfactory results for the displacement and stresses. Moreover, the reinforcement of the concrete lining in the tunnel is determinded by the calculation of the development of the crack width. The crack width can be led out by the re-bars' working stresses which are calculated from the FEM model, in which cracked concrete is modelled by anisotropic material elements, and reinforcement is modelled by truss elements. In this way, we can consider the effect by all circumstances concerned the tunnel including dimensions, Young's modulus of rockmass and its elastic resistance, concrete strength and the thickness of the concrete lining, reinforcement, residual stresses from the high pressure grouting, etc. Finally, we can lead to the optimum design of the high pressure tunnel as well.钢筋混凝土高压引水圆型隧洞的设计与计算,其中一个重要的内容是用有限元模型正确模拟地应力,以判断在隧洞开挖后围岩的2次应力场中的应力是否仍大于内水压力在围岩中产生的主拉应力,围岩会不会出现水力劈裂现象?也就是说,要保证运行期间不发生水力劈裂,只有按内水压力作用下的三次应力场中不出现拉应力(或者拉应力远小于围岩的极限抗拉强度)来确定围岩的承载能力方能保证这一点.用变温应力场来模拟地应力能够获得合理的位移与应力计算结果.隧洞混凝土衬体的配筋是由裂缝开展宽度计算确定的.通过模拟钢筋的有限元模型的钢筋工作应力的计算结果来确定混凝土的缝宽,将能够较全面地考虑包括隧洞体型尺寸、围岩弹模与弹性抗力、混凝土标号、衬厚、配筋量以及高压固结灌浆的残余应力等诸因素的影响,合理地确定配筋量. Rotary tillers are tillage implements used widely in rural areas. By using the Static and Dynamic Finite Element Methods (FEM).the strength and stiffness of the 1G-175A rotary tiller's main part (side gearbox) were calculated. Its dynamic property was analysed by structural modal experiments. The rationalization of the FEM model was also verified. 运用有限元方法对1G-175A旋耕机的主要部件之一的侧边齿轮箱体进行了静态和动态的强度与刚度计算,并对其动特性用结构模态试验方法进行了分析,验证了所建立的有限元模型的合理性。&nbsp&&&&&相关查询
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