Evolutionary identification of microstructure parameters in the thermoelastic porous material

• Autorzy: Długosz Adam , Schlieter Tomasz

Identyfikatory

DOI

10.15632/jtam-pl/116802

• Języki publikacji: EN

Abstrakty

EN

The work is devoted to the identification of microstructure parameters of a porous body under thermal and mechanical loads. The goal of the identification is to determine the parameters of the microstructure on the basis of measurements of displacements and temperatures at the macro level. A two-scale 3D coupled thermomechanical model of porous aluminum is considered. The representative volume element (RVE) concept modeled with periodical boundary conditions is assumed. Boundary-value problems for RVEs (micro-scale) are solved by means of the finite element method (FEM). An evolutionary algorithm (EA) is used for the identification as the optimization technique.

Słowa kluczowe

EN

thermoelasticity; identification; numerical homogenization; evolutionary algorithms

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2020
• Tom: Vol. 58 nr 2
• Strony: 373--384
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Długosz Adam

• Silesian University of Technology, Department of Computational Mechanics and Engineering, Gliwice, Poland

autor

Schlieter Tomasz

• Silesian University of Technology, Department of Computational Mechanics and Engineering, Gliwice, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).