建立了三维热力耦合问题弹塑性有限变形有限元方法，并对板材热轧过程进行了计算机模拟。
A three dimensional elastoplastic finite element model is presented for thermomechanical coupled finite deformation problems, and using the model, a slab hot rolling is computer simulated.
根据弹塑性有限变形理论，用有限元法建立了卫星推进系统贮箱金属膜片变形的有限元分析模型。
According to the deformation of elastic-plastic theory, the finite element analysis model of metal diaphragm for tank of propulsion system in satellite was established in this paper.
热弹塑性有限元法和固有应变法是焊接变形预测的两种主要数值方法。
Thermal-elastic-plastic and inherent strains FE methods are two means, which have been applied to the prediction of welding deformation.
为配合卷板设备数控系统的研制和对卷板工艺过程进行优化，建立了三辊数控卷板成形过程的弹塑性大变形接触问题的有限元模型系统。
To cooperate with the development of the numerical control system of plate bending and to optimize the process, the deform law of this process has been studied.
文章在有限变形分析基础上建立了对复杂结构进行弹塑性断裂评定的工程方法，用以修正COD设计曲线。
In this paper, an engineering assessment method of elastic-plastic fracture based on finite deformation analysis of complex structures. or a modified COD -design equation, presented forward is put.
本文对有限弹塑性变形中关于应变及应变率的分解问题进行了系统的评述。
The paper presents a systematical review on the recent studies for the problem of decomposition of strain and strain rate in finite elastoplastic deformation theory.
采用显式动力学弹塑性有限元方法，对平板轧制过程中咬入阶段的非稳定变形进行了数值模拟。
With the dynamic explicit elastic plastic finite element method, the unsteady deformation of the bite stage in slab rolling was simulated.
给出了有限变形弹塑性有限元列式，基于A NSYS软件平台，介绍了弹塑性有限元法在金属塑性加工领域中的应用。
The finite deformation elastic-plastic finite element formula are given. Based on the ANSYS software, the application of elastic-plastic FEM on metal plastic process field is outlined.
主要研究了乘法分解弹塑性在大变形有限元程序中的实现。
This paper discusses the realization of multiplicative decomposition elastoplasticity in anamorphosis finite element equation.
根据正交切削特点建立了有限元模型，应用弹塑性力学讨论了切削变形区的弹、塑性阶段的应力、应变状态。
Establish finite element model, and use elastic - plastic mechanics to discuss stress-stain state of elastic and plastic deformation in cutting zone.
堆石体本身为弹塑性结构，应力和变形呈非线性关系，故确定计算方法采用增量有限元法；
Rockfill is elastoplastic itself and its stress-strain relationship is nonlinear. So the calculation method must be incremental FEM.
利用三维有限元计算弹塑性地基中不同基础在水平力与竖向力作用下交错桁架体系的变形与内力。
The three dimensions FEM is used to investigate the displacement and forces of staggered truss with different foundation in elastoplastic ground under horizontal and vertical loads.
本文采用弹塑性有限元法和解析法，对分离机转鼓的主要零件进行了超速自增强的变形分析。
The deformation analysis of the main parts of the disc-separator bowl is performed for the overspeeding process using elastoplasticity FEM and analytical method.
针对板材三维冲压成形的切边回弹问题，提出了基于大变形弹塑性有限元数值模拟理论的切边处理AIA方法。
In this paper, an edge-cutting AIA method is presented based on elastic-plastic large deformation finite element simulation theory.
引入对数应变，将小变形弹塑性理论移植到有限变形理论之中，形成了一套精确的有限变形弹塑性理论。
An accurate finite deformation elastoplastic theory based on the logarithmic strain is transplanted from infinitesimal deformation elastoplastic theory.
一个有限弹塑性变形过程被分解成许多小变形子过程。
A whole process of finite elastic-plastic deformation is divided into many sub-processes of small elastic-plastic deformation.
针对钢板冷却发生翘曲变形的问题，利用热弹塑性有限元法对中厚板冷却过程的温度场及应力应变场进行数值模拟。
The temperature and stress-strain field of steel plate runout table cooling are simulated using thermo-elastoplastic finite element method.
根据张力减径过程的变形特点，采用组元建模技术，编写了弹塑性有限元计算程序。
Based on the characteristics of tube stretch-reducing process, the elastic FE calculation program is prepared by means of the constituent element modeling technique.
回顾了线弹性、弹塑性及大变形几何非线性的静力、动力有限元法的基本方程及求解过程。
FEM governing equations analyzing linear elastic, elastoplastic, static, dynamic and geometric nonlinear problems are introduced.
首先根据室内测试和岩体力学参数估算结果，运用摩尔-库仑破坏准则计算边坡岩体的破裂角；其次，运用弹塑性有限元数值模拟方法进行了变形破坏规律研。
First, according to the results of tests in laboratory and evaluation of rock mechanical parameters, slope rock mass failure angles are calculated based on Mohr Coulomb criteria; Secon.
利用大型非线性有限元MARC ，对某自动迫击炮浮动炮闩闭气结构，进行了三维装配体有限元建模和动态弹塑性分析，获得了关键闭气构件的应力、塑性应变和变形的动态响应。
D assembly FE modeling and dynamic elastoplastic analysis are carried out for the obturator structure of a floating gun breech mechanism by using nonlinear finite element code MSC MARC.
应用热弹塑性有限元法对液力变矩器点固焊过程夹持力和焊接变形进行全面分析，定量得出了焊接预留间隙，为夹具设计提供了依据。
According to the analysis results, pre-welding gap was gained quantitatively, which can be regarded as warrants and references for the design of welding clamps.
阐述了有限变形弹塑性有限元基本原理并给出有限元列式。
The finite deformation elastoplastic FEM theory is discussed and the finite element formula is given.
以T形焊接接头为算例，结合热弹塑性有限元法和映射应变分量法，研究了角焊缝角变形的产生机制。
The conception of deformation angle of helix pre-former is introduced and process parameters are analyzed with math regression method.
利用可考虑局部破坏的非线性弹塑性有限元，对无加筋和加筋砂土的平面应变压缩试验结果进行了从小变形到破坏的全过程数值解析。
Numerical analyses of plane strain compression tests for the geogrid-reinforced sand specimens were conducted by the nonlinear elastoplastic FEM considering strain localization.
本文用弹塑性有限元法分析了中心受压钢管混凝土短柱的承载力与变形的关系。
In this paper the Elastoplastic FEM is used to analyze the relation between load capacity and deformation of the central loaded steel-tubed concrete column.
采用三维热弹塑性有限元法对管板接头的焊接变形进行数值模拟。
Welding deformations of a pipe-plate joint with holes after multi-pass welding are simulated using the thermal-elastic-plastic finite element method.
采用三维热弹塑性有限元法对管板接头的焊接变形进行数值模拟。
Welding deformations of a pipe-plate joint with holes after multi-pass welding are simulated using the thermal-elastic-plastic finite element method.
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