A 1/3 composite cylindrical shell with a central rectangular opening was axially compressed experimentally, and its critical buckling load and displacement, and strains were measured. A finite element model (FEM) of the shell with Hashin failure criteria was established to analyze its buckling and post-buckling behaviors by nonlinear Newton-Raphson method. The geometric imperfection sensitivity and the effect of side supported conditions of the shell were investigated. It was found that the Newton-Raphson method can be used to analyze the buckling and post-buckling behaviors of the shell. The shell is not sensitive to initial geometric imperfection. And the support design of the shell by side stiffeners is a good way to obtain the critical buckling load and simplify the experimental fixture.
机构:
UET, VNU Hanoi, Adv Mat & Struct Lab, 144 Xuan Thuy, Hanoi, Vietnam
VJU, VNU Hanoi, Infrastruct Engn Program, My Dinh 1, Hanoi, VietnamTon Duc Thang Univ, Inst Computat Sci, Div Computat Math & Engn, Ho Chi Minh City, Vietnam
Nguyen Dinh Duc
Nguyen-Thoi, T.
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Ton Duc Thang Univ, Inst Computat Sci, Div Computat Math & Engn, Ho Chi Minh City, Vietnam
Ton Duc Thang Univ, Fac Civil Engn, Ho Chi Minh City, VietnamTon Duc Thang Univ, Inst Computat Sci, Div Computat Math & Engn, Ho Chi Minh City, Vietnam
机构:
Air Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R ChinaAir Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R China
Feng, Yu
Zhang, Haoyu
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Air Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R ChinaAir Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R China
Zhang, Haoyu
Tan, Xiangfei
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Air Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R ChinaAir Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R China
Tan, Xiangfei
He, Yuting
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Air Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R ChinaAir Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R China
He, Yuting
An, Tao
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Air Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R ChinaAir Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R China
An, Tao
Zheng, Jie
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Aviat Ind Corp, Aircraft Inst 1, Xian 710089, Peoples R ChinaAir Force Engn Univ, Aeronaut & Astronaut Engn Coll, Xian 710038, Peoples R China