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Nonlocal buckling of double-nanoplate-systems under biaxial compression
Affiliation:1. Mechanical, Aeronautical and Biomedical Engineering, University of Limerick, Ireland;2. College of Engineering, Swansea University, Singleton Park, Swansea SA2 8PP, Wales, UK;1. College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China;2. School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou, China;3. School of Civil Engineering, Central South University, Changsha 410075, Hunan, China;4. National Engineering Laboratory for High-speed Railway Construction, Changsha, China;5. Key Lab of Structures Dynamic Behavior and Control (Harbin Institute of Technology),Ministry of Education,Harbin, 150090, China;6. Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, Guangxi University, Nanning, China;7. Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi University, Nanning, China;1. Young Researchers and Elite Club, Najafabad Branch, Islamic Azad University, Najafabad, Iran;2. Faculty of Engineering, Shahrekord University, Shahrekord, Iran;1. Department of Refrigeration and Cryogenics Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China;2. Department of Process Equipment and Control Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, China;3. Institute of Nuclear and New Energy Technology, Key laboratory of Advanced Reactor Engineering and safety, Ministry of Education, Tsinghua University, Beijing 100084, China
Abstract:This paper reports an analytical study on the buckling of double-nanoplate-system (DNPS) subjected to biaxial compression using nonlocal elasticity theory. The two nanoplates of DNPS are bonded by an elastic medium. Nonlocal plate theory is utilized for deriving the governing equations. An analytical method is used for determining the buckling load of DNPS under biaxial compression. Difference between nonlocal uniaxial and biaxial buckling in DNPS is shown. Both synchronous and asynchronous buckling phenomenon of biaxially compressed DNPS is highlighted. Study shows that the small-scale effects in biaxially compressed DNPS increases with increasing values of nonlocal parameter for the case of synchronous modes of buckling than in the asynchronous modes of buckling. The buckling load decrease with increase of value of nonlocal parameter or scale coefficient. In biaxial compression higher buckling modes are subjected to higher nonlocal effects in DNPS. Further the study shows that the increase of stiffness parameter brings uniaxial and biaxial buckling phenomenon closer while increase of aspect ratio widen uniaxial and biaxial buckling phenomenon.
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