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New Insight on Deformation of Walnut/Ceramic Proppant Pack under Closure Stress in Hydraulic Fracture: Numerical Investigation

This study is an attempt to investigate the mechanical behavior of proppant packs deforming under compression loading. A generalized confined compression test (CCT) was simulated in the present study to investigate the deformation of walnut/ceramic proppants against compression. In this way, the CCT was simulated using ABAQUS explicit code. Unlike ordinary CCT, we obtained permeability of compr...

Members Information Pack Volume 7 Issue 2

بررسی نقش پیام های مصور روی پاکت های سیگار بر نگرش و رفتار افراد سیگاری 

Background and purpose: The World Health Organization predicts more than 8 million deaths until 2030 as a result of tobacco use. Pictorial cigarette pack warnings have a major role on the cognitive and emotional reactions, and the first intention to smoking cessation. The aim of this study was to investigate the role of pictorial cigarette pack warnings on smokers’ attitudes and behavior. Mate...

About the Journal, Author Information Pack & Table of Contents

About the Journal, Author Information Pack & Table of Contents

APPLICATION OF PARTIAL DIFFERENTIAL EQUATIONS IN SNOW MECHANICS

In the present work, failure of a snow slab is analyzed by accounting Normal mode criteria. The analysis has been extended to include residual stress into the model (in addition to body forces). Intensity of crack energy release rate, and displacement components have been derived and their values have been estimated. The obtained results have been compared with the existing snow slab failure mo...