权益分类	功能权益	普通用户	{{item.name}}会员
{{category.name}}	{{benefitItem.name}}

DEVELOPMENT OF PERSONAL COMPUTER AIDED NON-LINEAR LARGE-SCALE INVERSE ANA LYSIS CODE

个人计算机辅助非线性大规模反分析代码的开发

基本信息

批准号：
04805011
负责人：
ASANO Naki
金额：
$ 1.09万
依托单位：
IBARAKI UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for General Scientific Research (C)
财政年份：
1992
资助国家：
日本
起止时间：
1992 至 1993
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-04805011/
关键词：
INVERSE PROBLEM INVERSE ANALYSIS NON-LINEAR ANALYSIS ELASTOPLASTIC ANALYSIS PERSONAL COMPUTER AIDED ANALYSIS MICTOCOMPUTER AIDED ANALYSIS PARALLEL CALCULATION TRANSPUTER AIDED PARALLEL ANALYSIS 非線形パソコンマイコントランスピュータ

项目摘要

A small capacity machine like the microcomputer/personal computer is advanced in both memory capacity and execution speed, so that the machine is widely used in technical calculation. A personal computer aided finite element method (FEM) package for direct analysis on the market is applied to design techniques. It becomes more useful to include inverse analysis and/or optimization into the FEM package.A new inverse analysis method is developed using an influence function method in the ordinary FEM on the small machine. The inverse one uses an efficient double tandem type substructuring method. Moreover, a parallel calculation method is applicable to the inverse one for decreasing both memory capacity and execution time.It is verified that inverse one using both the parallel one and the double tandem one is exact from the numerical solution of a three-dimensional inverse analysis finite element model carried out on two multi-microprocessors, so-called transputers. The algorithm of the inverse one makes it possible to analyze large-scale models beyond the limit of the memory capacity of the small machine and a mainframe themselves, with the utilization of external memory storage units such as floppy and hard disks.The inverse one is also applicable to the inverse elastoplastic analysis. Therefore, the inverse one can be used for a personal computer aided non-linear large-scale inverse analysis code.

像微型计算机/个人计算机这样的小容量机器在存储容量和执行速度方面都是先进的，因此该机器广泛用于技术计算。设计技术中应用了用于市场直接分析的个人计算机辅助有限元法（FEM）软件包。将有限元反分析和优化技术引入到有限元软件中，将影响函数法引入到小型机械的有限元反分析中，提出了一种新的反分析方法。逆一个使用一个有效的双串联型子结构方法。此外，为了减少存储量和执行时间，还提出了一种并行计算方法，并通过在两个多微处理器（所谓的Transputers）上进行的三维反分析有限元模型的数值求解，验证了并行计算和双串联计算的反分析方法的精确性。该算法可利用软盘、硬盘等外部存储器，使大型模型的分析超越小型机和大型机本身的存储能力，也可用于弹塑性反分析。因此，该反演方法可用于微机辅助非线性大规模反演分析程序。