Whole process simulation of roll forming using dynamic explicit finite element method;
动力显式有限元法辊弯成形全流程仿真技术研究
Research on CAD/CAE Integrated Modeling method of ERW roll forming;
ERW辊弯成形过程CAD/CAE集成建模方法研究
Considering the long forming distance of roll forming,the roll forming of a “U” channel part was simulated with the dynamic explicit finite element method.
采用动力显式弹塑性有限元方法对U型钢辊弯成形过程进行仿真,分析了成形过程中应力、应变的分布演化特性,获得了弯曲角增量、机架间距对辊弯成形过程的影响规律,计算结果与实验结果有较好的一致性。
Applying MSC/Superform commercial software, dishing process of railway wheel with elastic-plastic thermo-mechanical coupled FEM was simulated,the way metal flows in dishing process was studied.
借助商业有限元软件MSC/Superform,数值模拟了车轮压弯成形过程。
Simulation of stretch bending forming process of stainless section steel;
不锈钢型材拉弯成形工艺模拟研究
In this paper, the theoretical approaches on simulation of cold roll forming are classified into four types: simplified analytic method & kinematics method, energy method, finite strip method, and finite element method.
辊式冷弯成形是一项具有显著经济效益和社会效益的板加工工艺 ,它又是一个涉及诸多因素的复杂的工艺过程 ,对其进行计算机仿真研究是十分必要的 。
The paper discusses the effects of the gravity on the plate roll forming radius, and the theory calculation is made by means of FEM for the plates of different thickness, obtains the relation between the displacement caused by gravity and the thickness of plate.
板材在滚弯成形时 ,已成形部分的曲率半径由于重力的作用会发生变化 ,使得测量变得困难 。
A three-dimensional FEM model of rotary draw bending of thin-walled rectangular tube is built under the ABAQUS/Explicit environment.
基于动态显式有限元平台ABAQUS/Explicit,建立了3A21铝合金薄壁矩形管绕弯成形过程的三维有限元模型,模拟分析了芯棒伸出量对薄壁矩形管绕弯成形过程中失稳起皱的影响规律。