Free vibration of composite cylindrical shells with orthogonal stiffeners

• Autorzy: Wu Yongfu , Zhao Chen , Liang Haofeng , Yao Sishi , Xue Jianghong , Xu Peng
• Języki publikacji: EN

Abstrakty

EN

This paper proposes theoretical and numerical approaches to scrutinize the free vibration of orthogonal stiffened cylindrical shells. According to K´arman-Donnell shell theory, the total energy of the stiffened cylindrical shells is derived. Based on the principle of minimum potential energy, the eigenfunction related to the frequency is established and solved by developing a Matlab program. Analytical solutions of the natural frequency for free vibraion of the stiffened cylindrical shells are calculated and are verified against the finite element results from ABAQUS software. On account of the observations from the parametric study, an optimization scheme of the stiffeners is proposed.

Słowa kluczowe

EN

free vibration; laminated cylindrical shells; stiffener; energy method

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2022
• Tom: Vol. 60 nr 2
• Strony: 239--252
• Opis fizyczny: Bibliogr. 23 poz., rys., tab.

Twórcy

autor

Wu Yongfu

• Key Lab of Disaster Forecast and Control in Engineering, Ministry of Education, School of Mechanics and Construction Engineering, Jinan University, Guangzhou, China

autor

Zhao Chen

• Key Lab of Disaster Forecast and Control in Engineering, Ministry of Education, School of Mechanics and Construction Engineering, Jinan University, Guangzhou, China

autor

Liang Haofeng

• Key Lab of Disaster Forecast and Control in Engineering, Ministry of Education, School of Mechanics and Construction Engineering, Jinan University, Guangzhou, China

autor

Yao Sishi

• Key Lab of Disaster Forecast and Control in Engineering, Ministry of Education, School of Mechanics and Construction Engineering, Jinan University, Guangzhou, China

autor

Xue Jianghong

• Key Lab of Disaster Forecast and Control in Engineering, Ministry of Education, School of Mechanics and Construction Engineering, Jinan University, Guangzhou, China

autor

Xu Peng

• Key Lab of Disaster Forecast and Control in Engineering, Ministry of Education, School of Mechanics and Construction Engineering, Jinan University, Guangzhou, China

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