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Modeling of vibration for functionally graded beams

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Yiğit G., Şahin A., Bayram M.

Open Mathematics

2016

tom 14

nr 1

661-672

In this study, a vibration problem of Euler-Bernoulli beam manufactured with Functionally Graded Material (FGM), which is modelled by fourth-order partial differential equations with variable coefficients, is examined by using the Adomian Decomposition Method (ADM).The method is one of the useful and powerful methods which can be easily applied to linear and nonlinear initial and boundary value problems. As to functionally graded materials, they are composites mixed by two or more materials at a certain rate. This mixture at a certain rate is expressed with an exponential function in order to try to minimize singularities from transition between different surfaces of materials as much as possible. According to the structure of the ADM in terms of initial conditions of the problem, a Fourier series expansion method is used along with the ADM for the solution of simply supported functionally graded Euler-Bernoulli beams. Finally, by choosing an appropriate mixture rate for the material, the results are shown in figures and compared with those of a standard (homogeneous) Euler-Bernoulli beam.

Ograniczanie wyników

1 Open Mathematics

1 Bayram M.

1 Yiğit G.

1 Şahin A.

1 2016

Wyniki wyszukiwania

Modeling of vibration for functionally graded beams