Solution validation technique for optimal shakedown design problems

被引：0
|
作者：
Blazevicius, G. [1 ]
Atkociunas, J. [1 ]
Liepa, L. [1 ]
Rimkus, L. [1 ]
Merkeviciute, D. [1 ]
机构：
[1] Vilnius Gediminas Tech Univ, Sauletekio Al 11, LT-10223 Vilnius, Lithuania
来源：
MECHANIKA 2016: PROCEEDINGS OF THE 21ST INTERNATIONAL SCIENTIFIC CONFERENCE | 2016年
关键词：
optimal shakedown design; elastic-plastic plates; energy principles; mathematical programming; equilibrium finite elements; Matlab; Rosen gradient projection method; PLATES;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Optimization problems of elastic-plastic steel structures subjected to variable repeated loads are nonconvex mathematical programming problems. Modern computer technology allows conjoining shakedown theory, optimization and ever stricter standardized design requirements in a single mathematical problem formulation. However it rises a question of reliability: easily achieved solution should not be taken for granted but should be adequately assessed. This paper focuses on the application of the Rosen gradient projection method optimality criterion for the validation of MATLAB optimal shakedown design problem solution for circular plates in the aspect of internal forces' and deformations' numerical precision.
引用
收藏
页码：42 / 46
页数：5
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