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DISTURBANCE MODEL FOR EDDY CURRENT TESTING

Duan Yaoyong, Chen Ronghua, Sheng Jianni, Chen Yusheng

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1997, 14 (S1): 963-695.

Abstract （228）

PDF （146KB）（1252）

According to the conductor's skin effect in low frequency electromagnetic field and the characteristic of comparatively small excitement coil in the benchmark model for eddy current testing, a perturbation model is proposed by combining the axisymmetric field and the 3-dimensional field, in which the disturbed field due to crack in the conductor allows being solved.

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NUMERICAL SIMULATION FOR THE EFFECTS IN IMPACT DYNAMIC INDUCED BY PULSE POWER LASER

Chen Ronghua, Zhang Jianquan, Li Banggu, Liu Feng, Qiang Xiwen

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1997, 14 (S1): 682-683.

Abstract （264）

PDF （106KB）（928）

The one-dimensional ideal elastic-plastic fluid hydrodynamical model with finite difference method is used to study the processes of formation and decay of the shock waves induced by laser irradiation to solid targets and effects of dynamic fracture.

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PARAMETERS OF LASER-GENERATED PLASMA AND ENHANCED COUPLING EFFECT

Zhang Jianquan, Liu Feng, Chen Ronghua, Qiang Xiwen

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS 1997, 14 (S1): 614-616.

Abstract （205）

PDF （141KB）（943）

By means of a hydrodynamic model in which electrons and ions have different temperature and same isothermal expanding velocity,it deals with interaction process of the intense pulse laser with the target,and gives scaling relationships between the plasma parameters and the laser or the target behaviour,in which include equilibrium absorption and radiation in the plasma.

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