مهندسی عمران
امام علی (ع) فرمودند: هر ظرفی از آنچه در آن قرار دهند پرشود جز ظرف دانش که هرچه در آن نهند فراختر شود.
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Email: nasser_zarif@yahoo.com

مدیر وبلاگ : ناصر ظریف مقدم
نویسندگان
یکشنبه 16 فروردین 1394 :: نویسنده : ناصر ظریف مقدم




  • نبود روشهای تحلیلی و دقیق برای حل معادلات دیفرانسیلی که در عمل و در طبیعت با اونها مواجه هستیم در کنار رشد روز افزون توانایی کامپیوترها در انجام محاسبات سریع و دقیق سبب شده است که روشهای عددی به عنوانی یکی از اصلی ترین ابزاری که امروزه دانشمندان و محققین از ان استفاده میکنند، رشدی چشم گیر داشته باشد.


  •  بعد از روش بسیار معروف و متداول اجزای محدود Finite Element Method ، روش ایزوژئومتریک در سال 2005 توسط هیوز و همکاران در دانشگاه تگزاس امریکا معرفی شد و امسال در سال 2015 ده سالگی خودش رو جشن میگیره. این روش به طور خیلی خلاصه از تلفیق روش FEM با تکنیک نربز NURBS تبدیل به روشی قدرتمند در حل معادلات پیچیده دیفرانسیل میشود که به عنوان مثال حل معادلات دیفرانسیل با ضرایب متغیر مانند مسائل FGM و بهینه سازی شکل و توزیع مصالح در این مواد که از پیشرفته ترین انواع مصالح کامپوزیتی موجود میباشند، از کارهای انجام شده توسط اینجانب به همراه راهنمایی های استاد ارجمند دکتر بهروز حسنی بوده است.


  •  در اینجا کتابی خوب در این زمینه که برای علاقه مندان  در سال 2009 منتشر شده است رو برای شما عزیزان قرار دادم تا در صورت نیاز بتوانید از آن استفاده بفرمایید. کلیه کارهای علمی اینجانب از همان سال 2005 تا کنون بر روی این روش متمرکز بوده و در صورتی که در این خصوص سوالاتی داشته باشید در بخش نظرات در خدمت خواهم بود و برخی مقالات منتشر شده نیز با جستجو در اینترنت قابل دستیابی است. در آینده مطالبی هم در مورد تکنیک NURBS برای شما قرار خواهم داد.


Isogeometric Analysis, 2009, J. Austin Cottrell, Thomas J. R. Hughes, Yuri Bazilevs





نوع مطلب : روشهای عددی، اجزای محدود، روش ایزوژئومتریک، کتاب لاتین، 
برچسب ها : FEM، IGA، Finite Element، Isogeometric Analysis، روش ایزوژئومتریک، روش اجزای محدود، روش عددی،
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