Numeryczno-doświadczalna analiza pracy ściskanych elementów kompozytowych

• Autorzy: Różyło P. , Wysmulski P. , Falkowicz K.

Warianty tytułu

EN

Numerical-research analysis of the work of compressed composite thin-walled elements

• Języki publikacji: PL

Abstrakty

PL

Przedmiot badań stanowiły cienkościenne elementy kompozytowe poddane procesowi osiowego ściskania. Próbki zamocowano przegubowo na krawędziach stanowiących ich przekrój poprzeczny. Zakres badań obejmował analizę numeryczną oraz weryfikację doświadczalną stanu krytycznego oraz słabo pokrytycznego. Badania numeryczne realizowano w zakresie sprężystym, pozwalającym na stateczną pracę cienkościennych konstrukcji do momentu osiągnięcia wyraźnej utraty stateczności, przy jednoczesnym wyznaczeniu wartości sił krytycznych. Do obliczeń numerycznych wykorzystano oprogramowanie ABAQUS®. Kluczowym aspektem badawczym było wyznaczenie poziomu zbieżności wyników uzyskanych drogą numeryczną oraz eksperymentalną, w zakresie dopuszczalnych obciążeń eksploatacyjnych.

EN

Thin-walled, composite elements subjected to axial compression were the subject of conducted research. The samples were articulately propped against the edges of their cross section. The scope of the research included a numerical analysis and experimental verification of both critical and weakly postcritical states. Numerical investigations were carried out in the elastic field, allowing for steady work of thin-walled structures until they reached the point of stability loss, with the simultaneous determination of critical forces values. For numerical calculations software ABAQUS® was used. The main issue of the research was to determine a convergence of the results obtained by numerical and experimental examination, in the range of operational allowable loads.

Słowa kluczowe

PL

MES; elementy cienkościenne; stateczność cienkościennych struktur; kompozyty; badania eksperymentalne

EN

FEM; thin-walled elements; stability of thin-walled structures; composites; experimental investigations

• Wydawca: Polskie Towarzystwo Promocji Wiedzy ; Wydawnictwo Politechniki Lubelskiej
• Czasopismo: Journal of Technology and Exploitation in Mechanical Engineering
• Rocznik: 2016
• Tom: Vol. 2, nr 1
• Strony: 10--19
• Opis fizyczny: Bibliogr. 35 poz., rys.

Twórcy

autor

Różyło P.

• Mechanical Engineering Faculty, Lublin University of Technology, Nadbystrzycka St 36, 20-618 Lublin, Poland

autor

Wysmulski P.

• Mechanical Engineering Faculty, Lublin University of Technology, Nadbystrzycka St 36, 20-618 Lublin, Poland

autor

Falkowicz K.

• Mechanical Engineering Faculty, Lublin University of Technology, Nadbystrzycka St 36, 20-618 Lublin, Poland

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