Elastic-plastic stress analysis of HTTR core component

1.3 mil. DOFs, Computation time : 7053 sec (using Hitachi SR2201 256 PEs)

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The mesh of the component was generated by hierarchically subdividing a basic

mesh with 3924 DOFs. The basic mesh was automatically generated by WADA system

based on the intelligent local approach.

Fig. 1 Mesh (1.31 mil. DOFs model)

Fig. 2 Hierarchical Domain Decomposition of HTTR (1.31 mil. DOFs model)

Fig. 3 Residual of CG and Out-of-balance force of Newton-Raphson method
(1.31 mil. DOFs model)

Fig. 4 Distribution of equivalent stress (1.31 mil. DOFs model)

Fig. 5 Distribution of plastic region (1.31 mil. DOFs model)
 

Fig. 6 Distribution of equivalent stress (24,999 DOFs model)
 
 
 
 
 
 
 

Last modified : 1/18/99