کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6777803 | 1432065 | 2018 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A study of development mode of collapse with variation of strains and stresses during compression of metallic shells having dome-cone shape
ترجمه فارسی عنوان
مطالعه حالت توسعه سقوط با تغییر سدها و تنش ها در طی فشرده سازی پوسته های فلزی با شکل مخروطی گنبدی
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
چکیده انگلیسی
A Finite Element computational model of development of the axisymmetric mode of collapse is presented and analysed, using a non-linear finite element code FORGE2. The proposed finite element model for this purpose idealizes the deformation as axisymmetric. Six noded triangular elements were used to discretize the domain. The material of the shell specimens was idealized as rigid visco-plastic. Experimental and computed results of the deformed shapes and their corresponding load-compression and energy-compression curves were presented and compared to validate the computational model. Typical variations of equivalent strain, equivalent strain rate and nodal velocity distribution are presented to help in predicting the mode of collapse. On the basis of the obtained results development of the axisymmetric mode of collapse has been presented, analysed and discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin-Walled Structures - Volume 126, May 2018, Pages 68-78
Journal: Thin-Walled Structures - Volume 126, May 2018, Pages 68-78
نویسندگان
P.K. Gupta, N.K. Gupta,