The position of drawing rib was determined according to the analysis on the wrinkling trend of sheet bar made by DYNAFORM software.

此模具的压料面为曲面压边，并利用DYNAFORM分析板料的起皱趋势，确定拉伸筋的位置。

In this paper, the relation of springback simulation and mesh size is studied with DYNAFORM software, and the relative results are worked out.

本文就DY NAFORM软件中单元尺寸与回弹模拟计算的关系进行了研究，得出了相应的结论。

The three-dimension model is set up for auto-bumper by the UG three-dimension CAD software, and the model is translated into the DYNAFORM for building its FEM model.

利用UG三维CAD软件对汽车保险杠进行了三维建模，并转换到Dynafor中建立了该零件的有限元分析模型。

The die was curved surface held down. The position of drawing rib was determined according to the analysis on the wrinkling trend of sheet bar made by DYNAFORM software.

此模具的压料面为曲面压边，并利用DYNAFORM分析板料的起皱趋势，确定拉伸筋的位置。

We build the three-dimension numerical model for the automobile's side frame outer panel by the CAD software, UG and translate it into the DYNAFORM for building its FEM model;

使用UG三维CAD软件对汽车侧围外板零件进行三维建模，并转换到Dynaform中建立了侧围外板零件的有限元模型；

By simulating in DYNAFORM, the influences of the factors, such as the friction coefficient, die clearance and material parameter 'sn and r, on stamping formability were studied.

应用dynaform软件进行模拟计算分析，研究了摩擦系数、模具间隙、材料参数(n, r值)等因素对零件成形的影响。

At last, the article made use of DYNAFORM software to simulate the horizontal beam and the roof bow, and in the actual production carried on a verification to the spring-back of the roof bow.

最后，利用dynaform软件对汽车横梁和车顶内部支撑进行了数值模拟，并在实际生产中对车顶内支撑的回弹做了验证。

Then, simply introduce the finite element theory foundation of computer simulation technology, analyse and sum up the application trait and function of the sheet forming simulation software-DYNAFORM.

其次，简要介绍了计算机仿真技术所依赖的有限元理论基础，并对板料成形专用有限元模拟仿真软件dynaform的应用特点及功能做了总结和分析。