An original technique for modeling of anisotropic viscoelasticity of orthotropic materials in finite element codes applied to the mechanics of plates and shells

• Autorzy: Martynenko V. G.
• Języki publikacji: EN

Abstrakty

EN

The paper presents an original technique for the numerical modeling of temperature dependent anisotropic viscoelastic properties in finite element codes. The study relates to the use of ANSYS Mechanical Student Products 17.2 code, but also is applicable to the other structural finite element codes. The solved one- and two-dimensional problems illustrate a possibility of an adaptation of the proposed combined-material model to the solution of model problems with a sufficient accuracy in comparison with the developed analytical solutions. An estimation of the performance of the technique shows its applicability to solution of the contact problems of orthotropic viscoelasticity of thin shells including multilayered options. The performed practical application of the method to the contact problem of cylindrical shell prove this point.

Słowa kluczowe

EN

anisotropic viscoelasticity; rheological model; thin shell; Finite Element Method; shift function; relaxation tensor

PL

lepkosprężystość anizotropowa; model reologiczny; cienka powłoka; metoda elementów skończonych; funkcja przesunięcia; tensor relaksacji

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Mechanics and Mechanical Engineering
• Rocznik: 2017
• Tom: Vol. 21, nr 2
• Strony: 389--413
• Opis fizyczny: Bibliogr. 43 poz., il. (w tym kolor.), rys., wykr.

Twórcy

autor

Martynenko V. G.

• Dynamic and Strength of Machines Department, National Technical University, Kharkiv Polytechnic Institute, Kyrpychova str. 2, 61002, Kharkiv, Ukraine

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).