Natural vibration of a rectangular plate of composite material with periodically bent structures

The natural vibration of a thin rectangular plate made of a composite material with periodically bent structures is studied. The problem is examined by the finite-element method using the variation principle. The effect of the bending parameters on the natural frequency of the plate is analyzed using the numerical results obtained. Institute of Mathematics and Mechanics, Academy of Sciences of Azerbaijan, Baku, Azerbaijan. Translated from Prikladnaya Mekhanika, Vol. 35, No. 10, pp. 68–73, October, 1999.