Результаты поиска по 'longitudinal-torsional ultrasonic vibrations':
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  1. Lavrinenkov A.D.
    Calculation of amplitude-frequency characteristics of ultrasonic transducers of longitudinal and longitudinal-torsional oscillations using Abaqus package
    Computer Research and Modeling, 2014, v. 6, no. 6, pp. 955-966

    In this study the calculation of 1/2-wave transducer of longitudinal ultrasonic oscillations and one wave transducer of longitudinal-torsion ultrasonic oscillations were carried out by finite element method with use of Abaqus. Dimensions of the concentrator of longitudinal-torsional oscillations and frequency-amplitude characteristics of the transducers of longitudinal and longitudinal-torsional oscillations were defined by calculation. Application of ultrasonic longitudinal-torsional oscillations at tool during surface-strengthening treatment of details made of titanium will allow to reduce adhesion portion of friction in the contact zone. A comparison of results of finite-element calculation of frequency-amplitude characteristics with experimental ones were made and calculation error does not exceed 2.5 %.

    Keywords: longitudinal-torsional ultrasonic vibrations, piezoelectric transducer, ultrasonic waveguide, hub of ultrasonic vibration, frequency-amplitude characteristics.
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