The expressions of load, displacement, stress and residual stress distribution for hole cold_extrusion process are established by using elastic_plastic theory.
利用弹塑性理论建立了孔冷挤压的载荷、位移、应力以及残余应力分布表达式；
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
焊件中的温度场分布反映了复杂的焊接热过程，是研究焊接变形、焊后残余应力等状况的基础。
The residual stress will produce in weldments and other construction parts during the manufacturing process and will harm their dimension stability and service life, and therefore must be relieved.
焊接件等结构件在制造过程中会产生残余应力，影响其尺寸稳定性和使用寿命，因此必须消除。
The production mechanism of the surface residual stress producing in grinding process is the combined effect on extrusion stress and the cutting stress and the thermal load.
在磨削加工过程中产生表面残余应力，其产生机理是磨粒刃作用引起的挤压应力和切削应力及热应力的综合作用效应。
It is a complex process to estimate residual stress of cast iron components.
铸铁构件残余应力的评价过程一直相当繁琐。
Hence, the method just simulating the cooling process can be used to predict the residual stress of brazed plate-fin structure, which can reduce the calculating time and cost greatly.
因此，对板翅结构真空钎焊残余应力进行数值模拟，可采用只模拟冷却过程的方法，节约分析时间和成本。
In the multilayer welding process, the method of symmetry welding gets the minimum residual tensile stress.
在多层焊的过程中，采用对称施焊的方法得到的焊接残余拉应力峰值是最小的。
The paper discusses the harmful effects of residual stress on the material or the equipment in its service process, and introduces several methods to eliminate residual stress at present.
文中阐述了残余应力在材料或设备使用过程中的不良影响，并详细介绍了目前消除残余应力的若干方法。
Evolvement process of longitudinal stress and residual stress field after welding are obtained.
得到了焊接过程中纵向应力的演变规律与焊后应力场的分布情况。
The influences of carburizing heat treatment process and grinding process on surface residual stress of automobile gears are studied.
研究了渗碳热处理过程中淬火冷却和回火状况以及磨削加工对渗碳淬火汽车齿轮表面残余应力的影响。
The formation of the residual stress during hardening process of the resin coated sand was analyzed, and some main measures to control the residual stress were proposed.
分析了覆膜砂固化中残余应力的形成过程，提出了一些用于控制残余应力的主要工艺措施。
Aiming at brazing crack induced by thermal stress during the process of brazing, finite element method was used to analyze the residual stress of joints between the cemented carbide cirque and steel.
针对硬质合金在钎焊冷却过程产生很大的热应力而导致钎焊裂纹这一问题，采用有限元分析方法对硬质合金圆环与钢基体钎焊时冷却过程中的残余应力的分布情况进行模拟。
The whole process of the relief of the welding residual stress through an explosive treatment is simulated by using the nonlinear dynamic finite element method.
利用非线性动力有限元法对爆炸处理消除焊接接头残余应力的全过程进行了数值模拟。
To eliminate the residual stress of aluminum alloy pre-stretching board, an elastic-plastic finite element model was developed to simulate the vibratory stress relief (VSR) process.
为消除铝合金预拉伸板中的残余应力，采用弹塑性有限元法对振动时效消除残余应力进行数值模拟。
To reflect the relationship between clamps and residual stress, finite element models with different clamping schemes were built and the clamping process was simulated.
为了揭示装夹方案对残余应力的影响，利用有限元技术模拟了工件加工过程中不同的装夹方案，并分析了模拟结果。
A test device to simulate the residual stress releasing process was designed.
设计了实验装置模拟残余应力释放对转动结构变形的影响。
In order to improve the quality of strip shape and prevent strip from lossing stability, the distributing rule of residual stress which produced during the process of rolling needs to be solved.
为了提高板形质量，预防板带失稳，需求解冷轧板带在轧制过程中所产生的残余应力的分布规律。
The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.
分析结果表明，厚板焊接工形截面残余应力的大小及分布，除了与焊接输入热量有关外，尚与截面几何尺寸有关。
This paper is a brief introduction of the calculating principle and method of the transient temperature fields and the residual stress fields in the casting during the process of solidification.
本文扼要介绍铸铁件在浇注后凝固过程中瞬时温度场及残余应力场的计算原理和方法。
The vibratory stress relief (VSR) Process is used to reduce the residual stress in welded 304l stainless steel.
针对304L不锈钢底板的焊后残余应力，采用振动时效(V SR)的方法进行消除。
The results indicate that the elastic operating stress range of a torsional axis is extended greatly by pre-twist process and the main reason lies on surface residual stress.
结果表明，预扭后扭力轴弹性工作应力范围得到极大扩展，其主要原因在于预扭塑变形成的表面残馀应力。
The data processing method USES a formula to process the initial magnetostrictive average and the final magnetostrictive average, to obtain the residual stress changes instance.
数据处理方法是将初始磁致伸缩平均值和终了磁致伸缩平均值用一个公式处理，得到残余应力变化情况。
The results show that the hot welding process can efficiently decline the welding residual stress, and the higher the welding temperature, the better the effect of declining residual stress.
实验结果表明，采用热焊方法进行焊接能够有效降低焊接残余应力，且加热温度越高，焊接残余应力降低效果越好。
The process of vibratory stress relief(VSR) is discussed to reduce the residual stresses after welding of stainless steel plate.
为了消除超大不锈钢焊接底板的残余应力，研究了采用振动时效（V SR）的方法消除焊接残余应力。
Although the strength and toughness of aluminum alloy 7075 can be increased greatly by quenching, this process will result in large magnitude of residual stress.
通过淬火可以获得高强度、高韧性的铝合金，同时淬火后分布于毛坯中的残余应力幅值很大。
The second kind of these techniques is the ultrasonic impact technique which was used in the welding process in order to reduce the residual tension stress in the welding area of the ship structure.
第二种是超声波冲击技术，用以减少船舶结构中的焊接区域出现的残余应力。
The simulation on medium frequency induction hardening process of crankshaft in 6110 engine is carried out by using FEA software ANSYS with hardening depth predicted and residual stress calculated.
利用A NSYS有限元分析软件，进行了6 110钢曲轴的中频感应淬火过程的模拟计算，并预测了淬硬层的深度，计算了淬火后的残余应力分布。
The temperature field and residual stress field were obtained by using 3-D double-ellipsoidal heat source model to simulate welded process.
在模型中运用移动的三维双椭球体热源作为输入热源来模拟焊接过程，最终获得了焊接温度场和残余应力场。
The temperature field and residual stress field were obtained by using 3-D double-ellipsoidal heat source model to simulate welded process.
在模型中运用移动的三维双椭球体热源作为输入热源来模拟焊接过程，最终获得了焊接温度场和残余应力场。
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