• 提出了一种避开瞬态温度测试通过残余应力计算得到最大应力应变循环方法

    In order to avoid the difficulty and expensive measurement of transient temperature field, a method for maximal stress and strain cycle calculation using residue stress is proposed.

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  • 残余应力计算中可知,采用损伤力学原理,使厚圆筒产生增强效果,从理论上可行的。

    From the calculation results, it is feasible in theory to produce self-reinforced effect of reactor by adopting the damage mechanical principle.

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  • 对与疲劳寿命紧密相关切向残余应力计算进行了试验验证,结果表明理论计算试验结果基本符合;

    Tangential residual stress formula closely related to fatigue is verified. The result shows that theoretical calculation conforms to the test result.

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  • 设计了一全息干涉试验路,计算焊接残余应力

    A set of experimental optical lines is designed to calculate welding residual stress.

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  • 塑性理论出发截面轴为例校正应力残余变形进行了分析研究,提出了给定弯曲误差校正载荷的计算公式

    The paper has studied straightening stress and residual deformation of circular shaft by using elastic - plastic theory, deueloped calculation formula of straightening loud in given deflection error.

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  • 求解温度场基础弹塑性理论计算应力及最终的残余应力

    Both thermal stresses and residual stresses are calculated according to thermal elastoplastic theory based on the calculation of temperatures.

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  • 有限元方法计算了铝离心法制备不锈钢内衬复合钢管过程中的残余应力分布

    The thermal stress distribution of the stainless steel lined composite steel pipe prepared by centrifugal-SHS process was calculated by the finite element method under thermoelastic assumption.

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  • 针对残余应力计算结合铸造中落砂工艺,对落砂前后不同传热模型进行相应的调整。

    In order to calculate residual stress in the casting, different heat transmission models before and after shake out had been established.

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  • 基于该模型编制计算复合材料身管残余应力程序

    Computer program was made to calculate the residual stresses in composite material barrel.

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  • 本文利用ADINA非线性分析有限元程序,对低碳钢管道焊缝接头焊接残余应力进行计算

    In this paper, the residual welding stresses in a low carbon steel girth butt welded pipe are calculated with a nonlinear finite element code ADINA.

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  • 文中工程实用角度提出分析残余应力影响及其近似计算方法

    The paper then, from the Angle of practical engineering, presents the methods for analyzing the influence of residual stress and for the approximate calculation thereon.

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  • 根据最大残余应力材料屈服应力之间规律关系(由冷胀孔残余应力测试结果得出)修正已计算出的残余应力场。

    Theoretical results of residual stress is modified with the relation between the largest residual stress and yield stress collected from measurement results of residual stress field.

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  • 方法利用现有仪器通过改变测定技术计算方法可以无损测定铍等轻金属制品表面残余应力及沿层的分布。

    This technique used in the present analyzer can non-destructively measure light metals' residual stresses with depth resolution, such as beryllium, by altering measuring and evaluating method.

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  • 运用弹性力学理论建立石油套管力学模型通过有限元计算,得到残余应力石油套管抗压溃强度之间的关系。

    Based upon the elasticity theory, a mechanical model for the casing pipe was built and the relationship between residual stress and compression strength was developed by FEM.

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  • 应用裂纹柔度计算残余应力插值函数及其选择计算结果精确性有着较大的影响

    In the evaluation of the residual stress by the crack compliance method, different interpolation functions and their fit order had great effect on the calculation results.

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  • 本文采用有限无法对残余应力释放测量所需的应力释放系数进行计算

    In this paper the release coefficient of residual stress of blind holes is calculated by using finite element method.

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  • 计算结果和试验结果吻合得较好,为后续CFL/EP复合材料湿热残余应力分析打下了初步基础

    Therefore, the residual stress in the CFL/EP composite can be studied on the basis of the above results.

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  • 采用有限单元计算反射镜坯体残余应力,通过对比验证了测试结果可靠性

    The thermal residual stress was calculated by the finite element method. Both testing and calculation data proved the reliability of testing data.

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  • 首先本文采用数值计算方法同种坡口形式焊接接头进行了不同焊接工艺参数残余应力变形分析研究

    Firstly, in the way of numerical calculation, analytical study on residual stress and deformation of different welding parameter which on same groove type's welded splice.

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  • 通过对身管自残余应力残余应变残余位移分析证明计算结果实验结果相当吻合

    It is proved that the computed results are in agreement with the experimental results by analysing the residual stress, strain and displacement of gun autofrettage.

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  • 残余应力实际测试验证计算结果

    The residual stress tests in actual welding also verify the calculation results.

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  • 计算预言脉动循环载荷自增强残余应力松弛现象

    The authors also successfully predict the relaxation of the residual stress under successive cyclic loading.

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  • 计算得到残余应力分布实测残余应力数据进行比较两者符合较好而且高温回火有效的降低焊接残余应力峰值

    Compared the welding residual stress with testing data, the both accord each other, and high temperature temper reduce the peak value of welding residual stress effectively.

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  • 应用有限元分析程序300MW汽轮机转子进行应力计算影响因素进行了分析,结果表明退火处理过程中残余应力产生的塑性变形量不可忽略。

    Finite element analysis program was used to calculate the stress of 300mw turbine rotor in straightening the axle, and the effect of each factor is analyzed combined with the trial result.

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  • 首次把感应淬火所产生残余应力添加到了曲轴模型里,计算了淬火前后的疲劳强度寿命。

    For the first time, the paper adds residual stress produced by hardening to the model. Then prequench crankshaft and postquench crankshaft are fatigue analyzed.

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  • 弹簧强压处理残余应力进行分析,提出了残余应力计算公式

    This paper analyses the remanent stress of the strengthened spring and describrs the formula of remanent stress.

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  • 本文扼要介绍铸铁件浇注后凝固过程瞬时温度残余应力计算原理方法

    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.

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  • 将ANAND塑性本构关系引入热处理消除残余应力有限元计算

    ANAND viscoplastic constitutive equation was introduced into the FE model for calculation of the reduction of welding residual stresses during the post weld heat treatment.

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  • 将ANAND塑性本构关系引入热处理消除残余应力有限元计算

    ANAND viscoplastic constitutive equation was introduced into the FE model for calculation of the reduction of welding residual stresses during the post weld heat treatment.

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