A new mixed-field theory for bending and vibration analysis of multi-layered composite plate

• Autorzy: Lezgy-Nazargah M. , Salahshuran S.

Identyfikatory

DOI

10.1016/j.acme.2017.12.006

• Języki publikacji: EN

Abstrakty

EN

A novel mixed-field theory with relatively low number of unknown variables is introduced for bending and vibration analysis of multi-layered composite plates. The presented plate theory is derived from a parametrized mixed variational principle which is introduced recently by the first author. A global-local kinematic with a layer-independent number of variables is assumed for the description of the displacements of the plate. The considered kinematic stratifies the displacement and transverse stress continuity conditions at the mutual interfaces of the layers. It also fulfill the homogenous boundary conditions of the shear stresses on the upper/lower surfaces of the plates without using the shear correction factor. One-unknown variable fields which satisfy a priori the continuity conditions at the adjacent interfaces between layers and the zero boundary conditions on the bounding surfaces are considered for the approximation of the transverse shear stresses. The transverse normal stress along the total thickness of the multi-layered plate is approximated via a quadratic polynomial. The presented mixed-field plate theory has been validated through comparison of the bending and vibration analysis results with those obtained from the three-dimensional (3D) theory of elasticity and the results of the other classical and high-order plate theories.

Słowa kluczowe

EN

multi-layered composite; mixed-field plate theory; out-of-plane stresses; global-local kinematic

PL

kompozyty wielowarstwowe; naprężenia; kinematyka

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2018
• Tom: Vol. 18, no. 3
• Strony: 818--832
• Opis fizyczny: Bibliogr. 35 poz., rys., tab., wykr.

Twórcy

autor

Lezgy-Nazargah M.

• Faculty of Civil Engineering, Hakim Sabzevari University, Sabzevar 9617976487-397, Iran

autor

Salahshuran S.

• Faculty of Civil Engineering, Hakim Sabzevari University, Sabzevar 9617976487-397, Iran

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019)