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sheet metal deformation
相关语句
  板料变形
     Effect of Impulse Current Frequency on Sheet Metal Deformation Height in Electromagnetic Forming
     脉冲电流频率对电磁成形板料变形高度的影响
短句来源
     Analysis on Critical Buckling Condition on Sheet Metal Deformation Under a Pressure Load
     板料变形受压失稳临界条件分析
短句来源
     Through studying the relation between loading time and impulse current frequency, the effect of the impulse current frequency on sheet metal deformation height has been achieved: as the frequency decreases, the final deformation of the sheet increases first, then decreases, and when the frequency decreases to a certain value, the final deformation of the sheet has almost no difference.
     通过推导加载时间与脉冲电流频率的关系,得出了脉冲电流频率对板料变形高度的影响:随脉冲电流频率的减小,板料的最大变形高度先是增大,然后减小,当脉冲电流频率减小到一定程度时,板料的最终变形程度差别不大。
短句来源
     The evaluation formula of the detonation wave pressure in the system of laser,energy transfer medium and the metal target is built according to the detonation wave and the explosive gas dynamical theory. The energy of the laser pulse is evaluated based on the formula of the laser shock pressure. And relationships among the sheet metal deformation,the laser energy and the shock wave pressure are discussed.
     根据爆轰波和爆炸气体动力学理论,建立了激光冲击成形中激光-能量转换体-靶材系统爆轰波压力的估算式,并根据冲击波压力估算式估算所需激光脉冲能量,从而探讨了板料变形与激光能量、冲击波压力之间的关系,并进行实验研究。
短句来源
  “sheet metal deformation”译为未确定词的双语例句
     Study on calculation of minimum laser energy of sheet metal deformation by laser shock forming
     激光冲击金属板料变形的最小激光能量估算及其实验研究
短句来源
     The following achievements have been gained:1, The hole and slot searching algorithm and thickness compensation algorithm have been developed to solve the measuring interrupt problem due to the big sheet metal deformation which influences measuring efficiency.
     本论文主要完成了以下工作:针对薄壁件变形大,有时检测点无法测量的特点,开发了孔及槽等的搜索测量和料厚补偿的方法,解决了由于薄壁件变形大,造成测量中断、影响测量效率的问题,从而实现了快速测量。
短句来源
     Numerical Simulation for Sheet Metal Deformation in a Straight
     板材成形过程中直拉深筋作用的数值模拟
短句来源
     Experimental Research on Sheet Metal Deformation under the Electromagnetic Force
     电磁力作用下平板变形的实验研究
短句来源
     It is related to coupled interaction between viscous media flowing under high pressure and sheet metal deformation. Hence it is difficult to analyze the deformation behavior of sheet metal under the interaction of viscous adhesive stress. In this paper, the principle of viscous adhesive stress tensile test is provided.
     针对粘性介质压力成形过程板材与粘性介质耦合变形特点,引入了粘着应力数学模型,建立了基于罚函数法的板材与粘性介质界面接触处理算法,提出了弹塑性板材与粘弹塑性体耦合变形的有限元分析方法,较已有的近似、简化有限元模型真实的反映了粘性介质压力成形过程板材弹塑性变形和粘性介质粘弹塑性体变形。
短句来源
更多       
  相似匹配句对
     Sheet Metal Processing
     板料加工
短句来源
     The Vibration of Round Sheet Metal
     圆形薄板的振动
短句来源
     DEFORMATION AND SUPERCONDUCTIVE
     变形与超导
短句来源
     ON DEFORMATION OF ARCHITECTURE
     论建筑的变形
短句来源
     The Gracefulness of Deformation Trees
     变形树的优美性
短句来源
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  sheet metal deformation
A mathematical model is presented to help understand sheet metal deformation during forming.
      


A simple model for analyzing sheet metal deformation in a straight drawbead is presented and the corresponding formulation of the finite strain elastic-plastic FEM is derived. Sheet metal deformation in a straight drawbead during the sheet metal forming process can be divided into two stages: the plane strain forming in the straight drawbead and pulling through the drawbead. General assumptions of the shell theory are applied to the model and the normal stress of sheet metal...

A simple model for analyzing sheet metal deformation in a straight drawbead is presented and the corresponding formulation of the finite strain elastic-plastic FEM is derived. Sheet metal deformation in a straight drawbead during the sheet metal forming process can be divided into two stages: the plane strain forming in the straight drawbead and pulling through the drawbead. General assumptions of the shell theory are applied to the model and the normal stress of sheet metal is assumed to be equal to zero. Normal anisotropy of sheet metal is considered. The friction between sheet metal and tool surfaces is assumed to satisfy the Coulomb friction law. Some results of numerical simulation for sheet metal deformation in straight drawbeads with semi-circular and rectangular cross-sections are given. The results of simulation are in good agreement with those obtained by experiment.

本文通过对板料在直拉深筋中变形过程的分析,给出了一个简化的直拉深筋作用分析模型.针对这个模型建立了有限变形弹塑性有限元方程,并利用所编制的程序计算了半圆形截面和方形截面直拉深筋作用下板料的变形.实验表明数值分析结果是可靠的.

The semi solid and strain rate sensitive viscous medium is adopted as pressure carrying medium of flexible die.Resistance of this viscous medium increases rapidly as the local deformation of the sheet metal occured and it is favorable to increase formability.In this paper,the variations of sheet metal and viscous medium strain rate distribution during viscous pressure bulging has been reseached by FE simulation.The simulation results show that strain rate distribution of viscous medium varies in consistent...

The semi solid and strain rate sensitive viscous medium is adopted as pressure carrying medium of flexible die.Resistance of this viscous medium increases rapidly as the local deformation of the sheet metal occured and it is favorable to increase formability.In this paper,the variations of sheet metal and viscous medium strain rate distribution during viscous pressure bulging has been reseached by FE simulation.The simulation results show that strain rate distribution of viscous medium varies in consistent with it of sheet metal in the contacting surface,and explain that deformation resistance of viscous medium varies adaptively to sheet metal deformation.

采用半固态、具有应变速率敏感性的粘性介质作为板料软模成形传力介质, 这种粘性传力介质的抗力可随板料发生局部变形而迅速增加, 建立起适应于板料变形的压力, 对提高板料成形性十分有益。本文针对板料粘性介质胀形, 采用有限元模拟方法研究了板料与介质应变速率变化, 模拟结果显示介质应变速率与相接触的板料应变速率是一致的, 解释了粘性传力介质变形抗力 “自适应”于板料变形的原因。

Using ANSYS/LS-DYNA program, the authors analyzed sheet metal electromagnetic forming with the finite element method (FEM), wherein the forming pressure was simplified as sinusoidal pressure, and the pressure along the radial of the sheet metal also changed sinusoidally. Some analysis of the deformation of the isotropic thin sheet under the condition of same pressure amplitude but different loading time was made. The results show that as the loading time increases, the final deformation of the sheet increases...

Using ANSYS/LS-DYNA program, the authors analyzed sheet metal electromagnetic forming with the finite element method (FEM), wherein the forming pressure was simplified as sinusoidal pressure, and the pressure along the radial of the sheet metal also changed sinusoidally. Some analysis of the deformation of the isotropic thin sheet under the condition of same pressure amplitude but different loading time was made. The results show that as the loading time increases, the final deformation of the sheet increases first, then decreases, and when the loading time increases to some value, the final deformation of the sheet has little difference. Through studying the relation between loading time and impulse current frequency, the effect of the impulse current frequency on sheet metal deformation height has been achieved: as the frequency decreases, the final deformation of the sheet increases first, then decreases, and when the frequency decreases to a certain value, the final deformation of the sheet has almost no difference.

用ANSYS/LS-DYNA对平板件电磁成形进行了有限元分析,其中成形载荷简化为正弦载荷,载荷沿板料径向也是正弦变化。在载荷幅值相同的情况下,对各向同性薄板材料进行了不同加载时间的分析,结果表明:随加载时间的增大,板料的最大变形高度先是增大,然后减小,当加载时间增大到一定程度时,板料的最终变形程度差别不大。通过推导加载时间与脉冲电流频率的关系,得出了脉冲电流频率对板料变形高度的影响:随脉冲电流频率的减小,板料的最大变形高度先是增大,然后减小,当脉冲电流频率减小到一定程度时,板料的最终变形程度差别不大。

 
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