Multilayered and FGM structural elements under mechanical and thermal loads. Part I: Comparison of finite elements and analytical models

• Autorzy: Sadowski T. , Bîrsan M. , Pietras D.

Identyfikatory

DOI

10.1016/j.acme.2014.09.004

• Języki publikacji: EN

Abstrakty

EN

Nowadays modern composites with various internal structures are used for manufacturing of structural parts of airplanes and in other branches of engineering. They have a layered structure or can be produced as functionally graded materials (FGM). For specific applications some porosity is necessary to satisfy technological process requirements. In this paper several numerical models of structural parts of airplanes made of different composites were elaborated. The finite element (FE) analysis and the mechanical response of the structural elements were compared with previously formulated simplified analytical models 0005 and 0010. The calculations concern estimation of deformation states in: – a layered exhaust pipe covered by thermal barrier coating (TBC) subjected to an internal pressure and a temperature gradient, – a two-layered plate under thermal loading, – three-layered beams subjected to bending with non-symmetrical cross-section, – a FGM beam element subjected to bending load, – a FGM two-layered rod subjected to uniaxial tension. For each considered case a good correlation of the results using both methods – analytical and numerical ones – was obtained, which proves correctness of the theoretical derivations, 0005 and 0010. The paper provides also own general procedure for modelling of FGM in the ABAQUS.

Słowa kluczowe

EN

numerical models; multilayered structural elements; FGM structural elements

PL

model numeryczny; element konstrukcyjny; kompozyty

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2015
• Tom: Vol. 15, no. 4
• Strony: 1180--1192
• Opis fizyczny: Bibliogr. 11 poz., rys., tab., wykr.

Twórcy

autor

Sadowski T.

• Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland

autor

Bîrsan M.

• University “A.I. Cuza” of Iasi, Department of Mathematics, 700506 Iasi, Romania
• University Duisburg-Essen, Faculty of Mathematics, 45127 Essen, Germany

autor

Pietras D.

• Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland

Bibliografia

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• [3] P.A. Zhilin, Nonlinear theory of thin rods, in: D.A. Indeitsev, E.A. Ivanova, A.M. Krivtsov (Eds.), Advanced Problems in Mechanics, vol. 2, R.A.S. Publ., Institute for Problems Mechanical Engineering, Saint Petersburg, 2006 227–249.
• [4] P.A. Zhilin, Applied Mechanics – Theory of Thin Elastic Rods, State Polytechnical University Publisher, Saint Petersburg, 2007 (in Russian).
• [5] H. Altenbach, An alternative determination of transverse shear stiffnesses for sandwich and laminated plates, International Journal of Solids and Structures 37 (2000) 3503–3520.
• [6] H. Altenbach, P.A. Zhilin, A general theory of elastic simple shells, Uspekhi Mekhaniki 11 (1988) 107–148 (in Russian).
• [7] H. Altenbach, P.A. Zhilin, The theory of simple elastic shells, in: R. Kienzler, H. Altenbach, I. Ott (Eds.), Theories of Plates and Shells. Critical Review and New Applications, Euromech Colloquium 444, Springer, Heidelberg, 2004 1–12.
• [8] P.A. Zhilin, Mechanics of deformable directed surfaces, International Journal of Solids and Structures 12 (1976) 635–648.
• [9] P.A. Zhilin, Applied Mechanics – Foundations of Shell Theory, State Polytechnical University Publisher, Saint Petersburg, 2006 (in Russian).
• [10] E. Tzimas, H. Mullejans, S.D. Peteves, J. Bressers, W. Stamm, Failure of thermal barrier coating systems under cyclic thermomechanical loading, Acta Materialia 48 (2000) 4699– 4707.
• [11] T. Sadowski, D. Pietras, B. Mircea, Numerical analysis of multilayered and FGM structural elements under mechanical and thermal loads. Part II: Comparison of experiments and theoretical models, Archives of Civil and Mechanical Engineering (2014) (in preparation).