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- W2357316745 abstract "Launching a certain amount of ammunition,it is easy to produce crack in the gun barrel and that will have effect on the security of fire.Through analysis of the gun barrel's stress situation in process of gun fire,and by use of virtual crack technology of MARC FEM software,the foundation method of 3D J-integral finite element model of the inner surface cracks on a certain gun barrel was discussed in detail.By means of numerical calculation,the rules of J-Integral values varied with the length and depth of the inner surface crack of gun barrel were obtained.According to the critical values of J-integral,the critical size of the crack was calculated under the condition of maximum chamber pressure.This method has greater engineering application values for security evaluation and prediction of the gun barrel." @default.
- W2357316745 created "2016-06-24" @default.
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- W2357316745 date "2010-01-01" @default.
- W2357316745 modified "2023-09-25" @default.
- W2357316745 title "3D J-Integral Finite Element Model of Inner Surface Cracks in a Certain Gun Barrel Based on MARC" @default.
- W2357316745 hasPublicationYear "2010" @default.
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