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Study on the Bunching Characteristics of Shock Wave in Different Structure of Discharge Electrode

The bunching sound field model of a rotating ellipsoidal reflector in different structure of discharge electrode based on ANSYS/LS-DYNA is established in this paper. The bunching process of shock wave is simulated by LS-DYNA's multi-material ALE method, and the bunching characteristics of shock wave is analyzed and validated through relevant experiments. The results show that the actual focus location is deviated from its geometrical focus location due to the nonlinearity of shock wave propagation and bunching process, and the shielding effect of the vertical discharge electrode to shock wave is stronger than the transverse discharge electrode, which cause less bunching gain.