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17 May 2005 Integrated modeling of the ultrasonic/sonic drill/corer (USDC): procedure and analysis results
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Rock and soil penetration by coring, drilling or abrading is of great importance for a large number of space and earth applications. An Ultrasonic/Sonic Drill/Corer (USDC) has been developed as an adaptable tool for many of these applications [Bar-Cohen et al, 2001]. The USDC uses a novel drive mechanism to transform the ultrasonic or sonic vibrations of the tip of a horn into a sonic hammering of a drill bit through an intermediate free-flying mass. As the pace of adapting the USDC to various applications has increased, it has become more critical to develop an efficient simulation tool to predict the performance of various designs. A series of computer programs that model the function and performance of the USDC device were previously developed and tested against experimental data [Bao et al, 2003]. The combination of these programs into an integrated modeling package and the analysis of simulated results will be described in this paper.
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Mircea Badescu, Xiaoqi Bao, Yoseph Bar-Cohen, Zensheu Chang, and Stewart Sherrit "Integrated modeling of the ultrasonic/sonic drill/corer (USDC): procedure and analysis results", Proc. SPIE 5764, Smart Structures and Materials 2005: Smart Structures and Integrated Systems, (17 May 2005);

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