【摘 要】
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A new contact model of traveling wave ultrasonic motor (TWUSM) with a visco-elastic stator frictional layer was presented. In this model, the initial boundaries
【机 构】
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Dept.ofMechanicalEngineering,SchoolofMaterialScienceandEngineering
【基金项目】
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Sponsored by the Natural Sciences Foundation of China ( Grant No. 50575055 ) and the National 973 Key Development Project in Fundamental Science Research ( Grant No. 2007CB607602).