نتایج جستجو برای: nonlocal timoshenko beam
تعداد نتایج: 126217 فیلتر نتایج به سال:
Abstract The free and forced vibration of a graded geometrically nonlinear Timoshenko nanobeam supported by on foundation is considered in this paper. main contribution study to propose new formulation for the dynamic response beam combining nonlocal surface elasticity addition employing physical neutral axis method which eliminates quadratic nonlinearity from equation motion. Using principle v...
A Timoshenko beam equation with boundary feedback control is considered. By an abstract result on the Riesz basis generation for the discrete operators in the Hilbert spaces, we show that the closed-loop system is a Riesz system, that is, the sequence of generalized eigenvectors of the closed-loop system forms a Riesz basis in the state Hilbert space. 1. Introduction. The boundary feedback stab...
In this paper, we consider a plate–beam system inwhich the Reissner–Mindlin platemodel is combined with the Timoshenko beam model. Natural frequencies and vibration modes for the system are calculated using the finite element method. The interface conditions at the contact between the plate and beams are discussed in some detail. The impact of regularity on the enforcement of certain interface ...
In this paper we consider the effect of boundary damping on a cantilevered Timoshenko beam with a rigid body attached to the free end. We establish the efficiency and accuracy of the finite element method for calculating the eigenvalues and eigenmodes. Although no conclusion could be drawn with regard to the stabilization of the system, interesting phenomena concerning the damped vibration spec...
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