![]() Plasma flow force increases, which promotes the transfer process of droplet the internal dynamic pressure of the droplet increases and the absolute pressure in the flow field decreases. The results of comparison with conventional MIG welding show that ultrasonic vibration causes rapid necking of droplet, the necking radius decreases and the ![]() The influence of ultrasonic vibration on the necking radius of the plasma flow transfer of conventional MIG welding droplets is analyzed, and the effects of ultrasonic vibration transmission and radiation on the internal pressure, vector and the entire calculated flow field of the droplet are explored. Based on FLUENT software, the VOF model was selected to numerically simulate the transfer behavior of ultrasonic-assisted MIG welding droplet under the effect of gravity, surface tension, electromagnetic force and plasma flow force.
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