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دوره 6، شماره 12 - ( پاییز و زمستان 1389 1389 )                   جلد 6 شماره 12 صفحات 28-17 | برگشت به فهرست نسخه ها

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Edalat P, Khedmati M R. ELASTIC-PLASTIC ANALYSIS OF SHIP BILGE PLATE UNDER IN-PLANE UNIAXIAL COMPRESSIVE LOAD. Marine Engineering 2011; 6 (12) :17-28
URL: http://marine-eng.ir/article-1-128-fa.html
عدالت پدرام، خدمتی محمدرضا. تحلیل الاستوپلاستیک ورق خن کشتی تحت اثر بار فشاری درون صفحه ای تک محوری. مهندسی دریا. 1389; 6 (12) :17-28

URL: http://marine-eng.ir/article-1-128-fa.html

تحلیل الاستوپلاستیک ورق خن کشتی تحت اثر بار فشاری درون صفحه ای تک محوری
پدرام عدالت1 ، محمدرضا خدمتی* 1
1- دانشکده مهندسی کشتی سازی و صنایع دریایی، دانشگاه صنعتی امیرکبیر
چکیده:   (9879 مشاهده)
This research is concerned with the nonlinear elastic-plastic analysis of ship curved bilge plate, located at the junction between ship's side and its bottom. After derivation of average stress-average strain relationships by finite element analyses of the models with varying dimensional and mechanical characteristics, the effects of any of parameters on the trends of such relationships is studied and interpreted. A commercial finite element code is used in such analyses. The boundary and loading conditions are tried to be adopted according to real practice. It is finally observed that the behaviour of such curved plates is entirely different from elastic-perfectly plastic behaviour and there is a reduction in their load carrying capacity after ultimate strength level. Finally, based on the obtained results, a set of empirical formulations are introduced in order to simulate the average stress-average strain relationship of such plate sections of the ship. These formulations have the capability of being used in the progressive collapse analysis of ship's hull girder.
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نوع مطالعه: مقاله پژوهشي | موضوع مقاله: سازه کشتی
دریافت: 1390/8/5 | پذیرش: 1392/7/27
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