Pressing sheet metal forming, its substrate should be crack.
压型金属板成型后，其基板不应有裂纹。
Compound bending forming is a flexible sheet metal forming process.
复合弯曲成形是一种高柔性的板料成形工艺。
Graphics software is an important part of a finite element system for sheet metal forming.
在板料成形有限元模拟软件系统中，图形平台是重要的组成部分。
It is pointed out that sheet metal forming CAE plays a positive role in industry design and production.
指出板料成形CAE在工业设计、生产中的积极作用及广泛的应用前景。
A model is established to simulate elastic binding on dynamic explicit FEA of sheet metal forming processes.
针对弹性压边建立了一个力学模型，用于板料成形的动力显式有限元模拟。
Viscous pressure forming (VPF), a recently developed process, is an advanced approach in sheet metal forming.
粘性压力成形技术是金属板材成形领域里新近出现的一种先进的加工工艺。
An algorithm for optimizing the node number of the numerical simulation of sheet metal forming processes is presented.
提出一种用于板料成形数值模拟的网格结点编号优化算法。
The technologies presented are valuable for numerical simulation of such a complex process as multi-stage sheet metal forming.
本文所阐述的技术对于多次拉深这一比较复杂的板料成形工艺的数值模拟研究有较大的参考价值。
In this paper, two numerical simulation methods of sheet metal forming, incremental approach and inverse approach are discussed.
探讨了板料成形中两种数值模拟方法：增量方法和反向方法。
The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes.
变压边力策略是在冲压件成型中控制回弹的一种有效措施。
Springback is an inevitable and universal phenomenon in sheet metal forming, which may affect the tolerance and final shape of stampings.
回弹是板材成形过程中不可避免的一个普遍现象，直接影响到冲压件的尺寸精度和零件最终形状。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
In automobile and metallurgical industry, sheet metal forming numerical simulation has been widely used in material selection and die design.
在汽车和冶金工业中，板成形数值模拟广泛地应用于零件的选材和模具的设计。
The knowledge modeling method and its effectiveness were exemplified in manufacturing knowledge of aircraft sheet metal forming process domain.
通过在飞机钣金工艺领域制造知识建模中的应用说明了该方法的有效性。
The results indicate that FEM can realize the complex strain paths and different strain paths will affect the result of sheet metal forming greatly.
研究结果表明：有限元数值模拟可以实现复杂应变路径； 应变路径的不同对冲压成形的结果有很大影响。
The theory and method of finite element analysis of sheet metal forming based on deformation theory was explored, and the computer program was implemented.
研究了基于形变理论的金属板料成形有限元分析的理论和方法，并实现了计算程序。
According to the sine law, vertical wall shell cannot be finished at one time in nc incremental sheet metal forming process, it must be formed at many times.
根据正弦定律，金属板料数控渐进成形工艺，不能一次成形出直壁筒形件，要成形直壁筒形件，必须进行多次成形。
Stamping is one of the most common sheet metal forming technique, and bendingtypes of forming operation is the most important process of sheet metal stamping.
冲压是金属板料主要的成形方法，而弯曲又是其中重要的成形工艺。
Abstract: the method of fast finite element analysis of sheet metal forming based on deformation theory was explored, and the computer program was implemented.
文摘：研究了基于形变理论的金属板料成形快速有限元分析的方法——反向方法，并实现了计算程序。
According to the hypothesis between tensile stress and shear stress relationship during sheet metal forming, a similar solution of the equations can be obtained.
根据板材塑性成形过程中的拉应力与剪应力关系的假设，可以得到力学方程的近似解。
The intelligent sheet metal press forming is a new combined technology which is concerned with control science and computer science and sheet metal forming theory.
板材冲压成形智能化是一项涉及控制科学、计算机科学和板材塑性成形理论等领域的综合性新技术。
In sheet metal forming, the springback can affect the precision of the formed part directly, and some approaches must be used to minimize those undesirable effects.
它直接影响弯曲件的成形精度，因此需要设法减小其对弯曲成形精度的不利影响。
How to measure the frictional coefficient between sheet blank and die quantificationally by experiments is still a problem for the research work on sheet metal forming.
板料成形研究中的一个难点是如何采用实验方法定量测定板料成形过程中板料与模具之间的摩擦系数。
The numerical simulation of drawing process for front extension to side panel is studied by using the three-dimensional sheet metal forming analysis software PAM-STAMP.
采用板料三维成形分析软件PAM - ST AMP对某车型侧围前延长件的拉深成形过程进行了数值模拟仿真。
The comparison between the results obtained from this method and incremental approach indicated that this method can analyze the deformation of sheet metal forming part.
通过实例的计算结果和增量方法进行了比较，表明此方法能够分析成形工作中的变形情况。
Numerical simulation result shows that this method can be used for rapid evaluation of sheet metal forming process design and for the optimization of process parameters.
实例证明，一步模拟法可用于板料成形工艺方案的快速评价及参数优化。
The design of drawing process for automobile panel is called as design "black box"in sheet metal forming domain, while the die-face design of drawing die is the key part.
汽车覆盖件拉延工序设计被称为薄板冲压成形领域的设计“黑箱”问题，而拉延模型面设计是其中的核心内容。
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.
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.
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。
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