کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
254570 503317 2016 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
On the finite element formulation of dynamic two-phase coupled problems
ترجمه فارسی عنوان
در فرمول محدود عناصر دو فاز دینامیکی پویا
کلمات کلیدی
المان محدود، تجزیه و تحلیل پویا، خاک گرانوله اشباع شده، حفاری های کوچک
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
چکیده انگلیسی

Two finite element approaches are discussed for the analysis of the coupled problems of seepage and deformation of saturated porous media in the presence of an acceleration field varying in time and space (e.g. during an earthquake). The equations governing the two phase problem in dynamic regime are recalled first under assumptions which seem reasonable in the geotechnical context. Then they are cast into a first finite element form without introducing further assumptions with respect to those adopted in deriving them. Subsequently, a simplified formulation is presented which requires a reduced number of nodal variables with respect to the first one. After discussing a time integration scheme, the two approaches are applied to the solution of a benchmark example and some comparative comments are presented on their accuracy and on the required computational effort.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers and Geotechnics - Volume 73, March 2016, Pages 37–46
نویسندگان
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