کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
754211 895818 2013 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Suppression of bending waves in a periodic beam with timoshenko beam theory
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Suppression of bending waves in a periodic beam with timoshenko beam theory
چکیده انگلیسی

Active control of bending waves in a periodic beam by the Timoshenko beam theory is concerned. A discussion about the possible wave solutions for periodic beams and their control by forces is presented. Wave propagation in a periodic beam is studied. The transfer matrix between two consecutive unit cells is obtained based on the continuity conditions. Wave amplitudes are derived by employing the Bloch-Floquet theorem and the transfer matrix. The influences of the propagating constant on the wave amplitudes are considered. It is shown that vibrations are still needed to be suppressed in the pass-band regions. Wave-suppression strategy described in this paper is employed to eliminate the propagating disturbance of an infinite periodic beam. A minimum wave-suppression strategy is compared with the classical wave-suppression strategy.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Mechanica Solida Sinica - Volume 26, Issue 2, April 2013, Pages 177-188