NATURAL VIBRATION ANALYSIS OF CLAMPED RECTANGULAR ORTHOTROPIC PLATES

The natural vibrations of clamped rectangular orthotropic plates are a nalyzed using the extended Kantorovich method. The developed iterative scheme converges very rapidly to the final result. The obtained natur al frequencies are evaluated for a square plate made of Kevlar 49 Epox y and the obtained results are compared with those published by Kanaza wa and Kawai, and by Leissa. The agreement was found to be very close. As there are no exact analytical solutions for clamped rectangular pl ates, the generated closed form expression for the natural modes, and the corresponding natural frequencies, are very suitable for use in en gineering analyses. (C) 1996 Academic Press Limited