Porosity effects on post-buckling behavior of geometrically imperfect metal foam doubly-curved shells with stiffeners
المؤلف | Mirjavadi, Seyed Sajad |
المؤلف | Forsat, Masoud |
المؤلف | Yahya, Yahya Zakariya |
المؤلف | Barati, Mohammad Reza |
المؤلف | Jayasimha, Anirudh Narasimamurthy |
المؤلف | Hamouda, A.M.S. |
تاريخ الإتاحة | 2023-02-12T06:20:51Z |
تاريخ النشر | 2020 |
اسم المنشور | Structural Engineering and Mechanics |
المصدر | Scopus |
الملخص | This papers studies nonlinear stability and post-buckling behaviors of geometrically imperfect metal foam doubly-curved shells with eccentrically stiffeners resting on elastic foundation. Metal foam is considered as porous material with uniform and non-uniform models. The doubly-curved porous shell is subjected to in-plane compressive loads as well as a transverse pressure leading to post-critical stability in nonlinear regime. The nonlinear governing equations are analytically solved with the help of Airy stress function to obtain the post-buckling load-deflection curves of the geometrically imperfect metal foam doubly-curved shell. Obtained results indicate the significance of porosity distribution, geometrical imperfection, foundation factors, stiffeners and geometrical parameters on post-buckling characteristics of porous doubly-curved shells. |
اللغة | en |
الناشر | Techno-Press |
الموضوع | Curved shell Nonlinear stability Porous material Post-buckling Shell theory Stiffeners |
النوع | Article |
الصفحات | 701-711 |
رقم العدد | 6 |
رقم المجلد | 75 |
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