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Journal of Mining and Environment، جلد ۱۳، شماره ۳، صفحات ۹۰۳-۹۲۷
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عنوان انگلیسی Simulation of Crack Propagation Mechanism in Porous Media using Modified linear Element Displacement Discontinuity Method
چکیده انگلیسی مقاله In this work, an effective methodology is introduced for simulation of the crack propagation in linear poroelastic media. The presence of pores and saturated cracks that can be accompanied by fluid flow makes the use of poroelastic media inevitable. In this work, involvement of the time parameter in crack propagation is of particular importance. The order of doing the work is such that first, derives the fundamental solutions of a poroelastic higher order displacement discontinuity method (PHODDM). Then will be provided a numerical formulation and implementation for PHODDM in a code named linear element poroelastic DDM (LEP-DDM). Analytical solutions use different times to check the correctness and validity of the proposed solution and the newly developed code. The numerical results show a good agreement and coordination with the analytical results in time zero and 5000 seconds . The code is able to pursue crack-propagation in time and space. This topic is introduced and shown in an example.
کلیدواژه‌های انگلیسی مقاله displacement discontinuity method, Linear elements formulation, Poro-elastic media, Crack propagation&apos, Rock fracture mechanics
نویسندگان مقاله M.H. Dehghani Firoozabadi |
Department of Mining and Metallurgical Engineering, Faculty of Engineering, Yazd University, Yazd, Iran.

M. Fatehi Marji |
Department of Mining and Metallurgical Engineering, Faculty of Engineering, Yazd University, Yazd, Iran.

A. Abdollahipour |
School of Mining Engineering, College of Engineering, University of Tehran, Tehran, Iran.

A.R. Yarahamdi Bafghi |
Department of Mining and Metallurgical Engineering, Faculty of Engineering, Yazd University, Yazd, Iran.

Y. Mirzaeian |
Department of Mining and Metallurgical Engineering, Faculty of Engineering, Yazd University, Yazd, Iran.

نشانی اینترنتی https://jme.shahroodut.ac.ir/article_2527_e6d5d61dca2708fac263a6e667efc5d4.pdf
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