نتایج جستجو برای: abaqus explicit
تعداد نتایج: 103485 فیلتر نتایج به سال:
In the finite element simulation process, it is very common to use simplified models replace original complex reduce computational cost. To improve accuracy of with numerical in Abaqus Explicit, we propose an inverse identification procedure evaluate equivalent loading conditions be applied these models. We construct objective function test correlation between final deformed shape obtained by o...
در این تحقیق فرآیند شکلدهی انفجاری از سه منظر تحلیلی،عددی و تجربی مورد بررسی قرار گرفته که از دو منظر نخست و برخی آزمایشهای تجربی در بردارنده جنبه های نوآوری می باشد. در مدل تحلیلی ارائه شده فرض شده است که پروفیل تغییر شکل ورق در اثناء فرآیند شکلدهی انفجاری بصورت یک مخروط ناقص میباشد که با گذشت زمان در صورت اعمال فشار مناسب به سمت یک مخروط کامل میل میکند. همچنین از تغییرات ضخامت ورق در اثناء فر...
In this article, the multi-objective optimization of cylindrical aluminum tubes under axial impact load is presented.The absorbed energy and the specific absorbed energy (SEA) are considered as objective functions while the maximum crush load should not exceed allowable limit. The geometric dimensions of tubes including diameter, length and thickness are chosen as design variables. The Non-domi...
The use of temporary hip prosthesis made orthopedic cement (spacer) in conjunction with antibiotics became a widespread method used for treating prosthetic infections despite the fact that this makes bone (PMMA) more fragile. necessity to incorporate reinforcement is therefore crucial strengthen cement. In study, validated Finite Element Modelling (FEM) was analyze behavior spacers. This FEM mo...
This article describes a numerical study on the TOX-clinching process of the steel sheets. In addition, the influence of plastic anisotropy of the material on joining parameters is analyzed by evolution of the joint parameters such as undercut and neck thickness and punch force-displacement curve. Finite element analysis with ABAQUS/CAE-Explicit program is used to simulate two dimensional and t...
In this paper the eccentric forward extrusion of sections has been simulated and analyzed using FEM Abaqus-explicit. The results have been compared to those obtained from upper bound theorem and experimental works. Close agreements was observed between the FEM and experimental work and as compared with the upper bound data more realistic and better predictions were made by the authors’ method. ...
An effort is made to gain insight on the effect of carbon nanotubes (CNTs) on the impact response of carbon fiber reinforced composites (CFRs) under low velocity impact. Certain amount of CNTs could lead improvements in mechanical properties of composites. In the present investigation, ABAQUS/Explicit finite element code (FEM) is employed to investigate various damages modes of nano composites ...
Abstract Experimental investigation of RCC beam provide an important understanding on its flexural properties. The stages involved from the design to casting, curing, testing and interpretation results is time consuming involves economy labour. To reduce above said challenges, numerical seems be alternate without involvement money Preliminary equation which are provided by basic experiments con...
چکیده: بررسی اثر انفجار برسازه های فضاکار چلیکی دولایه دانشجو: احمدرضا آرامی باغملایی با توجه به افزایش روزافزون حملات تروریستی در سراسر دنیا، طراحی سازه ها در مقابل بارهای ناشی از انفجار در حوزه پدافند غیرعامل موردتوجه ویژه ای قرارگرفته است. با توجه به سبکی وزن سازه های فضاکار به نظر می رسد که این نوع سازه مقاومت کمی در برابر بارهای انفجاری داشته باشد. در این تحقیق رفتار سازه های ف...
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