نتایج جستجو برای: cmod

تعداد نتایج: 73  

Journal: :Engineering, Technology & Applied Science Research 2023

The increasing use of rubber tires and their low recycling ratio have made them a serious environmental problem. This work aims to develop investigate enhanced lightweight aggregate crumb concrete (PFLWACRC) composites regarding the fracture properties concrete. Polypropylene (PP) fibers are commonly familiar with increased crack growth endurance On other hand, reuse waste in plays major role m...

Journal: :Case Studies in Construction Materials 2022

Waste management is an area of significant global concern. The reuse waste materials (such as: plastics, glass, wood, etc.) in concrete manufacturing has been studied for potential cost savings, improvements quality, and reduction environmental impact leading to sustainability. This study examines the performance containing recycled polyethylene terephthalate (PET) granular form replace fine ag...

Journal: :Brain : a journal of neurology 1993
G T Plant K Nakayama

Unilateral damage to the lateral occipital region in humans can give rise to impaired motion perception in the contralateral visual field [Plant et al. (1993), Brain, 116, 1303-1335]. We report the following characteristics of the residual vision. (i) Spatial acuity and spatial frequency discrimination are not affected. (ii) Contrast thresholds for direction-of-motion (DOM) discrimination of lu...

Journal: :computational methods in civil engineering 2012
s.r. sabbagh yazdi m. bayatlou

a constitutive model based on two–dimensional unstructured galerkin finite volume method (gfvm) is introduced and applied for analyzing nonlinear behavior of cracked concrete structures in equilibrium condition. the developed iterative solver treats concrete as an orthotropic nonlinear material and considers the softening and hardening behavior of concrete under compression and tension by using...

در این تحقیق مطالعات عددی مکانیک شکست مربوط به رشد ترک یک ماده بتنی لایه‌ای تابعی مقاوم در برابر بارگذاری ضربه گلوله شامل بتن معمولی، مسلح الیافی و سنگدانه‌های سفت به وسیله مدلسازی آزمایش خمش سه نقطه‌ای در حضور ترک اولیه ارائه شده است. از مدل ناحیه چسبنده دو خطی برای بتن معمولی و بتن با سنگدانه‌های سفت و سه خطی برای بتن مسلح الیافی به منظور رفتار شکست در ناحیه فرآیند استفاده شده و روش محاسباتی ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1378

در این رساله، روشی نو برای تخمین عمر قطعات مهندسی با استفاده از مدل ricc، تکنیک غیرمخرب رپلیکاگیری و نمونه ای جدید به نام bn(t) پیشنهاد شده است . بدین منظور، ابتدا روش حل مدل ricc، از حالت تقریب خطی به حالت غیرخطی تغییر یافته و لذا، بهبود قابل توجهی در دقت نتایج، مدل حاصل شده است . سپس با استفاده از مدل، فرمولبندی جدیدی برای محل خط اثر نیرو در نمونه c(t)، بدست آمده است که از دقت قابل توجهی برخو...

2000
P. Lecomte R. Crapolicchio L. Saavedra de Miguel

Every year, Tropical Cyclones (TC) produce important damages on a high number of countries: the floods caused for the heavy rain, strong winds and bad sea conditions are producing human and economic losses. Satellite data can help the scientific comunity to study these events. In particular the processing of the backscattering measurements acquired over the ocean is giving important information...

2010
William A. Burnson Hans G. Kaper

This article proposes a new software system for automatic representation and printing of computer-generated scores using traditional, proportional, and graphic notation. The software system includes a composition module (CMOD) and sound synthesis library (LASS)—both part of DISSCO— and an open source C++ vector-graphics library Belle, Bonne, Sage for music engraving. Various challenges to the p...

2014
A. Hubbard J. L. Terry S. M. Wolfe

Ohmic H-modes have been achieved in Alcator C-Mod with toroidal fields up to BT5.25 T and line averaged densities up to n e 1.4 x 1020 m-3 with less than 1 MW of input power. In ELM-free cases at lower toroidal field, the energy confinement increases by at least 60% and the particle confinement increases by more than a factor of two. The ELM-free H-modes appear to fit the threshold power scalin...

2005
K. Kamiya N. Oyama N. Basse T. Biewer E. Edlund J. W. Hughes L. Lin W. Rowan J. Snipes J. Terry A. E. Hubbard M. Porkolab

Comparisons of H-mode regimes were carried out on the Alcator C-Mod and JFT-2M tokamaks. Shapes were matched apart from aspect ratio, which is lower on C-Mod. The High Recycling Steady (HRS) H-mode on JFT-2M and Enhanced Dα (EDA) regime on C-Mod, which both feature very small or no ELMs, are found to have similar access conditions in q95-ν* space, occurring for pedestal collisionality ν* > 1. D...

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