نتایج جستجو برای: discontinuum analysis
تعداد نتایج: 2824172 فیلتر نتایج به سال:
this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...
The evolution of surface subsidence is an important focus of study above Molycorp, Inc.’s newest block cave at the Questa molybdenum mine near Taos, New Mexico. The case study compares mature glory hole subsidence over the Goathill Orebody and subsidence emerging in its earliest stage over the new D Orebody block cave. Subsidence above the D Orebody was first detected in April 2003, 30 months a...
The numerical manifold method (NMM), based on the finite covers, unifies the continuum analyses and discontinuum analyses without changing a predefined mathematical mesh of the uncracked solid, and has the advantages of being concise in theory as well as being clear in concept. It provides a natural method to analyze complex shaped strong discontinuities as well as weak discontinuities such as ...
A numerical simulation based on a finite/discrete element approach is used to study the deformation and failure process of standard rock mechanics tests on Opalinus clay samples, when subjected to static loading conditions. The layered structure of the Opalinus clay is considered and the resultant anisotropic behaviour is modelled. Rock heterogeneity is also taken into account, with the main pu...
abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...
A hybrid finite-discrete element method (FDEM) is proposed to model rock fracture initiation and propagation during a three-point bending test under quasistatic dynamic loading conditions. Three models have been implemented in the FDEM transition from continuum discontinuum through fragmentation. The rate effect on behaviour has taken into account by implementation of relationship between stati...
مقایسه دو زبان فارسی و فرانسه در سطح آوایی موضوع پژوهش حاضر است . این مقایسه نشان داده است که زبان فرانسه دارای 18 همخوان و 10 واکه دهانی و 3 واکه غنه است . واکه های دهانی با مشخصات پیشین ˆ پسین و بازی ˆ بستگی و واکه های غنه با مشخصات غنه، لبی و پیشین ˆ پسین طبقه بندی شده اند. در زبان فارسی و فرانسه دیفتانگ وجود ندارد، د حالیکه در فرانسه قدیم نه تنها واکه های دوتایی بلکه واکه های سه تایی نیز وج...
the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...
در این پژوهش به منظور برآورد تابش خالص برای مکان یابی نیروگاه های خورشیدی با پردازش تصاویر ماهواره ای در استان کردستان از دو روش sebal و روش solar analysis استفاده شده است در روش sebal از داده های تصاویر ماهواره ای مودیس 2000، 2003، 2006، 2009، 2012 داده های ساعات آفتابی در7 ایستگاه سینوپتیک در سطح استان کردستان ( داده های روزانه) و برای روش solar analysis از تصاویر دم منطقه با قدرت 30 و 90 متر...
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