"Every indication is that this is forming a broad, continuous sheet beneath the surface," said Ken Edgett, a camera team member with Malin Space Science Systems of San Diego.
圣地亚哥马林空间科学系统(Malin Space Science Systems)照相机小组成员Ken Edgett 表示:“每一迹象都表明,广袤、连续的冰原正在在地下形成。”
In this paper, the research on numerical simulation of punch-forming parameters for automobile frame parts of sheet metal is done by using the non-linear FEM software SHEET-FORMING.
本文以非线性有限元软件包SHEET - FORMING对某汽车落地骨架零件的冲压工艺参数进行数值模拟研究。
And the forming process of a automobile skeleton part of sheet metal is simulated by using the non-linear FEM software SHEET-FORMING. Some problems in forming process are also analyzed here.
并运用非线性有限元软件包SHEET FORMING对某汽车骨架零件进行冲压数值模拟,分析了可能出现的问题。
Sheet metal digital incremental forming process is simulated with finite element software LS_ DYNA.
利用有限元软件LS_DYNA模拟金属板材单点渐进成形过程。
To accurately predict the forming limit in aluminum alloy sheet forming, ductile fracture criterion is introduced into numerical simulation.
为了准确地预测铝合金板材成形极限,将韧性断裂准则引入到数值模拟中。
The similar problem on computing blank size also exists in sheet forming, such as spreading size of bending piece, blank size of axial symmetry parts by deep drawing.
板材成形中同样存在着计算坯料尺寸的问题,如弯曲件展开尺寸的计算,轴对称拉深件坯料尺寸的确定等。
Numerical simulation provides the engineers powerful tool to solve complex die design problems of sheet forming.
数值模拟技术为工程师解决复杂的板料成形模具设计问题提供了强有力的分析工具。
The application of equivalent draw beads to sheet forming blank design is studied and the ideal of blank design using revering method combined with equivalent draw bead is conceived.
研究了在板料成形毛坯设计中加入等效拉延筋进行计算的毛坯设计方法,提出了利用反向方法结合等效拉延筋进行毛坯设计的设计思想。
The invention relates a sheet forming composite stamping die.
本发明涉及一种板材成形复合冲压模具。
It provides the theory base for further study of identification and prediction in intelligent control of sheet bending forming.
对进一步研究板材弯曲成形智能化控制的识别和预测提供了可靠依据。
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。
For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
针对板料成形回弹精度问题的数值模拟,从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
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。
Nc incremental sheet parts forming process is a flexible process which is to form the sheet point by point on nc forming machine according to the prepared program.
板料零件数控渐进成形工艺是一种通过数字控制设备,采用预先编制好的控制程序逐点成形板料零件的柔性加工工艺。
Sheet warm forming process, sheet warm hydroforming process and sheet press forging process are introduced in this paper.
介绍了镁合金薄壁板材的温热冲压成形技术、温热液压成形技术和局部热冲锻成形技术。
This paper aims to simulate the process of the sheet forming with the 3D-finite shell models established by the commercial codes.
本文运用商用有限元程序建立三维的壳模型模拟板料的成型过程。
Sheet thickness is thinned, surface area is increased in the nc incremental sheet metal parts forming process, and sheet forming point by point is to lead to the whole sheet deformation.
认为,板料零件数控渐进成形是使板料的厚度减薄,表面积增大,靠逐次的变形累积产生整体的变形。
Presents numerical simulation of multi point forming of sheet using a finite element polycrystal model.
采用有限元多晶体模型对板材多点成形过程进行了数值模拟研究。
Digital incremental forming is a new technology for flexible process that has sprung up in the world used in metal sheet manufacturing.
金属板料数字化渐进成形技术是目前国际上刚刚兴起的一种柔性制造技术。
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。
Solid granules medium forming new technology (SGMF) is a technology which USES solid granules medium instead of rigid punch (or elastomer, liquid) to achieve the sheet forming.
固体颗粒介质成形新工艺,是采用固体颗粒代替刚性凸模(或弹性体、液体)的作用,对金属板料成形的工艺。
In the technique, the functions such as choosing forming path and sectional forming for sheet metal, which can't be realized in traditional method, can be implemented easily.
多点柔性成形是一种先进的金属板材成形技术,这种成形方法能够实现成形路径选择、分段成形等传统成形方法无法实现的功能。
The results indicate that laser welded joint is qualified to satisfy the demand of sheet forming.
讨论了焊缝特性对于差厚拼焊板成形性能的影响。结果表明,激光焊缝能够满足板料成形的要求。
Laser sheet bending is a new metal flexible forming process, which has shown more advantages in contrast to the classical metal forming.
板材激光弯曲成形是一种新型金属板材柔性成形技术,与传统成形工艺相比具有显著优势。
Finally some key techniques are pointed to be studied for industrial application of laser shock forming of metal sheet.
指出了激光冲击成形技术在工业应用中所必须研究的一些主要内容。
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。
Grid analysis method in physics simulation was programmed by this algorithm to use to simulating the deformation of experimental grids in different phases of the sheet forming.
基于本算法,提出了塑性成形物理模拟中的网格分析法,真实地模拟板料在冲压变形过程中各试验网格的变形情况。
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。
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。
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。
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