本文采用有限元模拟的方法,结合金属成形的塑性变形理论,深入分析了拉弯的成形机理,建立了用于转台式拉弯成形模拟的有限元模型。
By using finite element simulation method and plastic distortion theory, the author analyzes the principle of the stretch bending forming and builds finite element model of rotary stretch bending.
基于金属板材塑性变形的损伤本构关系,运用有限元数值法分析了金属薄板的面内成形过程。
The sheet metal forming processes under in-plane deformation were simulated by using finite element method based on a coupled elastoplasticity with damage constitutive laws.
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.
应用有限元分析程序对300MW汽轮机转子直轴进行了应力计算,并对各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.
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.
利用有限元软件模拟了V型砧的锻造拔长过程,并对不同夹角的V型砧压下后锻坯塑性变形区内应力、应变的状态进行比较。
The V-anvil drawing process of large forgings was simulated using FE software, and the stress-strain distributions in the plastically deforming area were compared after different V-anvils drawings.
用有限元方法分析了一种圆柱疏圈螺旋弹簧的压缩变形过程,获得了弹簧的力学参量分布、载荷-行程曲线等结果,包括了弹簧发生塑性变形的情况。
The compression process of a cylindrical-helical spring is analyzed. Distribution of the spring's mechanical parameters and load-distance curve are achieved. Plastic deformation is included.
有限元模拟则可以一目了然的看到应力的大小以及分布,因此采用该方法来研究塑性变形过程很有意义。
The stress value and distribution can be observed vividly by finite elements simulation, therefore it is necessary to use finite elements simulation means in the research of metallic glasses.
同时,还对三维塑性变形的有限元数值模拟中关键技术的处理方法进行了探讨。
Meanwhile, the technological treatments of FEM for simulating three dimensional plastic deformation process were also discussed.
利用有限元软件ANSYS对重轨的压力矫直过程进行了三堆有限元模拟,对重轨矫直过程中的弹塑性变形过程进行了分析。
The press straightening process of heavy rail was simulated and researched by finite element software of ANSYS.
利用有限元软件ANSYS对重轨的压力矫直过程进行了三堆有限元模拟,对重轨矫直过程中的弹塑性变形过程进行了分析。
The press straightening process of heavy rail was simulated and researched by finite element software of ANSYS.
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