کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
254618 503319 2015 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A shallow constitutive law-based granular flow model for avalanches
ترجمه فارسی عنوان
یک مدل جریان گرانشی مبتنی بر قانون برای لاوها
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
چکیده انگلیسی

In this paper, we analyze the constitutive laws of a hydraulic dynamic model, the Savage–Hutter (S–H) model, and the Hungr model. To overcome their limitations, we adopt a frictional viscoplastic constitutive law for dense granular flow and propose a new constitutive law-based dynamic model for avalanches by simplifying the internal stresses for shallow granular flow. The range of the earth pressure coefficient in each model is studied and compared. Finally, we compare the previous experimental results with those obtained from the proposed model and the S–H model, and we find that the new model can capture the flow properties of an avalanche.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers and Geotechnics - Volume 68, July 2015, Pages 109–116
نویسندگان
, , , ,