3D thermal elasto plastic analysis of ITER divertor high heat flux elements

被引：0
|
作者：
Bykov, VA [1 ]
Komarov, VM
Mazul, IV
Borovkov, AI
Semenov, AS
机构：
[1] DV Efremov Sci Res Inst Electrophys Apparatus, St Petersburg 189631, Russia
[2] St Petersburg State Univ, St Petersburg 195251, Russia
来源：
PLASMA DEVICES AND OPERATIONS | 1998年 / 6卷 / 1-3期
关键词：
ITER; divertor; plasticity; finite element analysis;
D O I：
10.1080/10519999808226622
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
3D thermo-elasto-plastic finite element (FE) analysis of high heat flux elements (HHFEs) stress slate and estimation of damage levels have been performed. The models with two types of armour under several thermal load regimes have been investigated. Carried out analysis of 3D HHFEs thermo-elasto-plastic problems: shows the necessity to take into account correct dependence of thermo-mechanical properties on temperature in order to obtain reliable results; allows to estimate 3D stress state of HHFEs, dimensions of plastic zones and their evolution at cyclic thermal loading; points to actuality of using special high-accurate numeric methods for solution of nonlinear problems; allows to estimate possibility of using 2D model; allows to estimate damage of HHFEs based on continual concept taking into account load history.
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页码：55 / 63
页数：9
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