| Summary: | 碩士 === 國立中央大學 === 機械工程研究所 === 95 === In the electrochemical drilling (ECD) process, the shape of the workpiece would keep changing until the final shape had been reached. However, the feeding rate of the tool and the evolution of the workpiece would result in moving boundary problems in numerical analysis. Therefore, this article used the level set method to solve moving boundary problems. Finally, the influence of different types of tools, working voltage, and the feeding rate on ECD processes would be discussed. The results could be obtained that the smaller working voltage and the faster feeding rate would get the better shape of the workpiece.
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