应元

冲击载荷下BGA焊点应有限元模拟

Finite Element Analysis on Solder Joint Stress of BGA under Shock Load

本文基于增量Reissner变分原理，对不可压缩的Mooney型橡胶类材料，进行了非线性的有限元分析，给出了杂交应力元的计算列式。

In this paper , on the basis of the incremental Reissner variational principle , a nonlinear finite element analysis has been accomplished and a formulation of hybrid stress element has been presented for incompressible Mooney rubber-like materials .

在吸收日本学者Kawai教授的刚体&弹簧元模型思想的基础上，建立了工程结构不连续介质力学问题的界面应力元模型。

Based on the model of rigid spring element , which is developed by Professor Kawai in Japan , the ISEM in the analysis of engineering structure is established to solve the problem of discontinuous media mechanics .

杂交应力元增量分析非线性橡胶类材料

Incremental Analysis for Nonlinear Rubber-Like Materials by Hybrid Stress Finite Element

杂交应力元的研究及其与MSC/PATRAN的集成

Research of Hybrid Stress FEM and Its Integration with MSC / PATRAN

结构分析的界面应力元模型与方法

Interface Stress Element Model and Method for Structure Analysis

界面应力元法的数值计算

Numerical method of the interface stress element method

用杂交应力元分析板的弹塑性屈曲

Analysis of Elasto-Plastic Buckling Problems of Flat Plates Using a Hybrid Stress Finite Element Model

粘结滑移问题的界面应力元模型

Interface stress element model for bond-slip problems

张文认为“元和体”应包括元白讽喻诗。

He believes that Yuanhe style should include allegory poem by Yuan Zhen and Bai Juyi .

保偏光纤应力元成分分布的电子探针分析及双折射的模拟计算

Analyses of component distribution in stress applying part by electron probe and the calculation of birefringence

岩体不连续结构面变形研究与界面应力元法

Researches on the Deformation of the discontinuous Interface of Rock Mass and the Method of Interface Element Stress

本文推导了分区混合元法中应力元的刚度矩阵；

In this paper , the stiffness matrix of the stress element in the sub-region mixed finite element method has been constructed .

对薄膜部分本文采用杂交应力元方法进行设计，独立假设薄膜应力场以改善其精度；

For the membrane part , the membrane stresses are independently assumed and the pertinent stiffness matrix is obtained by the hybrid element method to improve the accuracy of membrane stresses .

分析了应力元的多余零能模式，并证明了整体分析中对多余零能模式的消弭；

Spurious zero energy modes are present in the stress element , but it is proved that non spurious zero energy mode is present in the global analysis of the whole structure .

X形变截面橡胶密封圈应力有限元分析

Finite Element Analysis of Stress on the Rubber Sealing X-ring Change Section

基于ANSYS的滚齿直齿圆锥齿轮弯曲应力有限元分析

Finite element analysis on the bending stress for roller spur bevel gear based on ANSYS

Si3N4/金属扩散焊接头的残余热应力有限元分析

Residual Thermal Stress FEM Analysis of Si 3N 4 / Metal Diffusion Bond Tip

基于ANSYS压力容器筒体与平板封头焊缝残余应力有限元分析

The Finite Element Analysis on the Weld Residual Stress of the Pressure Vessel Cylinder and Plate Dome Based on ANSYS

建立气静压电主轴的热-应力有限元分析模型，用ANSYS软件计算主轴的温度场分布及主轴的热变形值。

The distribution of temperature field and thermal deformation of spindle were calculated by Finite element analysis ( FEA ) software ANSYS .

两种Reissner板的三角形假设应力杂交元

Two Triangular Hybrid Elements with Assumed Stress for Reissner Plates

研究了温度徐变应力有限元计算的方法，并编制了相应的计算程序，通过算例，用国际通用软件ANSYS验证了自编程序的正确性。

The FEM calculating method of thermal-creep-stress is studied , and the corresponding program has been developed . With the international program of ANSYS , the program is validated as being right .

REISSNER-MINDLIN板的分层杂交应力有限元分析

Elasto-Plastic Analysis of Reissner-Mindlin Plates by Use of Hybrid-Stress FEM with Layered Model

冷却条件下管内超临界压力CO2对流换热研究600MW超临界锅炉汽水分离器内压应力有限元分析

CONVECTION HEAT TRANSFER OF CO_2 AT SUPERCRITICAL PRESSURES IN TUBE DURING COOLING Mechanical Stress Analysis of a 600 MW Supercritical Boiler Water Separator Based on the Finite Element Method

Hahn-Tsai复合材料的非线性杂交应力有限元方法

The nonlinear hybrid stress finite element method for Hahn-Tsai composite materials

135MW汽轮机无中心孔转子热应力有限元计算及低周疲劳寿命分析

Calculation of Finite Element of Thermal Stress and Analysis of Low-cyclic Fatigue Life for Non-central Hole Rotor of 135 MW Turbine

成功建立了Hahn-Tsai复合材料模型的非线性杂交应力有限元方程，采用Newton-Raphson迭代法求解结构的非线性位移方程。

The nonlinear hybrid stress finite element method for Hahn-Tsai composite materials is established successfully . The Newton-Raphson iteration technique is employed to solve the displacement nonlinear equations of the structure .

本文主要研究了基于杂交应力有限元的Global-Local方法及其在含损伤复合材料层板的应力分布和剩余强度方面的应用。

In this dissertation , a global-local approach using hybrid stress element and its application in the stress distribution and the residual strength of composite laminate weakened by damage are studied in detail .

下层应采用物元变换技术（METT），调整自身的目标，制定出与上层相容的决策策略，以达到主从对策的整体优化。最后，给出了主从对策不相容问题MEFTT转化机理及策略生成。

The lower level make out compatible game tactics with higher level by applying Matter Elements Transforming Technology [ METT ] , so , the whole optimal of leader-follower game is achieved , lastly , A METT transforming mechanism and tactics generation of leader-follower game with non-compatible problem are given .

锻模综合应力有限元仿真分析

FEM Analysis for Integrated Stress of Dies During Hot Forging Process