Arc-length algorithm efficiency in the analysis of thermally loaded multilayered shells

• Autorzy: Sabik A. , Kreja I.
• Języki publikacji: EN

Abstrakty

EN

This paper concerns the efficiency study of the arc-length algorithm in the geometrically non-linear analysis of thermally loaded multilayered shells. The thermal loading is considered as the one-way thermo-mechanical coupling effect. Two implementations of the arc-length method are examined: the path-following technique available in NX-Nastran and the RiksWempner-Ramm algorithm adopted in the authors’ computer code SHLTH. It is shown that the appropriate unloading condition in each step of the analysis plays the crucial role in obtaining a proper solution. The algorithm offered in NX-Nastran tends to fail, whereas the authors’ code enables to find the solution in required temperature range.

Słowa kluczowe

EN

stability; temperature; multilayered shells; arc-length method

PL

stabilność; temperatura; powłoki wielowarstwowe; metoda długości łuku

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Engineering Transactions
• Rocznik: 2015
• Tom: Vol. 63, iss. 2
• Strony: 147--156
• Opis fizyczny: Bibliogr., 22 poz., rys., wykr.

Twórcy

autor

Sabik A.

• Gdańsk University of Technology Department of Structural Mechanics Narutowicza 11/12, 80-233 Gdańsk, Poland

autor

Kreja I.

• Gdańsk University of Technology Department of Structural Mechanics Narutowicza 11/12, 80-233 Gdańsk, Poland

Bibliografia

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