鲍益东
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一种改进大步长静力隐式有限元接触搜寻算法
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Affiliation of Author(s):机电学院

Journal:华南理工大学学报(自然科学版)

Key Words:大步长静力隐式有限元法;接触搜寻;位置码法;交替数字二叉树法;

Abstract:大步长静力隐式有限元方法具有快速的计算速度和较高的计算精度,在金属板料的成形模拟领域中得到了广泛的应用.在接触搜寻阶段,由大步长引起的大量历史接触信息改变的特点使接触搜寻问题变得更困难,因此有必要针对该问题设计一种高效稳健的搜寻算法.基于主从面法的思想,提出了一种结合位置码法和ADT(Alternating Ditigal Tree,交替数字二叉树)法的改进接触搜寻算法,并集成到自主研发的QuickForm软件中;通过数值算例对该方法的计算性能进行了测试.结果表明:改进算法具有良好的搜寻性能,平均搜寻效率提升了20%左右.

ISSN No.:1000-565X

Translation or Not:no

Date of Publication:2019-07-15

Co-author:刘永财,胡庆婉,cwl

Correspondence Author:Bao Yidong

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Associate Professor
Supervisor of Master's Candidates

Gender:Male

Alma Mater:吉林大学

Education Level:吉林大学

Degree:Doctoral Degree in Engineering

School/Department:College of Mechanical and Electrical Engineering

Discipline:Aeronautical and Astronautical Manufacturing Engineering. Mechatronic Engineering

Business Address:明故宫校区15-435

Contact Information:电子邮箱:baoyd@nuaa.edu.cn 办公电话:025-84896877

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