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Paper Information

Journal:   AMIRKABIR   SUMMER 2003 , Volume 14 , Number 55-B; Page(s) 765 To 779.
 
Paper: 

ANALYTICAL, EXPERIMENTAL AND NUMERICAL STUDY OF HOOP STRAIN PROFILE AND REQUIRED CHARGE MASS DURING CONE EXPLOSIVE FORMING

 
 
Author(s):  LIAGHAT G., JAVABVAR D., DARVIZEH A., ABD ELAH A.
 
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Abstract: 

Cone-shaped explosion forming of cone was investigated by new analytical, experimental and numerical approach. In the analytical modeling, it is supposed that deformation profile of plate is a truncated cone during process that will be deformed to a fully formed cone at the end of process. The variation of plate thickness was also neglected. Analysis of the required equations for determining the distribution of hoop strain during the process and the required charge mass are also given in this model.
ABAQUS/Explicit package was used for the FEM simulation. The results of the analytical model given in this paper are in agreement with the experimental and the numerical (FEM) results.

 
Keyword(s): EXPLOSIVE FORMING, HIGH SPEED METAL FORMING, HIGH STRAIN RATE METAL FORMING, DYNAMIC LOADING OF CIRCULAR PLATES, IMPULSIVE LOADING OF CIRCULAR PLATES
 
References: 
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