نتایج جستجو برای: h p version of fem

تعداد نتایج: 21347619  

Journal: :فیزیک زمین و فضا 0
بیژن شورچه دانشجوی دکترای ژئودزی، گروه مهندسی نقشه برداری، پردیس دانشکده های فنی، دانشگاه تهران، ایران مهدی معتق استادیار، گروه مهندسی نقشه برداری، قطب علمی مهندسی نقشه برداری و مقابله با سوانح طبیعی، پردیس دانشکده های فنی، دانشگاه تهران، ایران محمدعلی شریفی استادیار، گروه مهندسی نقشه برداری، قطب علمی مهندسی نقشه برداری و مقابله با سوانح طبیعی، پردیس دانشکده های فنی، دانشگاه تهران، ایران

many earthquakes occur in iran every year and some of these earthquakes cause loss of life and property. consequently earthquake is one of challenging topics not only in iran but also in other active tectonic regions in the world. investigating the mechanism of earthquake as a natural disaster is the first and important step. to study earthquakes, different information such as geometry and beha...

Journal: :caspian journal of internal medicine 0
durdi qujeq maryam sadogh shahreyar savadkohi

background: it is clear that helicobacter pylori (h. pylori) is a spiral bacterium that infects human and causes gastritis and peptic ulcer. the aim of this study was to determine the relationship between h .pylori infection and the iron status of the body. methods: this study was conducted in shahid beheshti hospital of babol university of medical sciences, babol, iran from august 2007 to july...

Journal: :Numerische Mathematik 2003
Mario Bebendorf Wolfgang Hackbusch

This article deals with the existence of blockwise low-rank approximants — so-called H-matrices — to inverses of FEM matrices in the case of uniformly elliptic operators with L∞-coefficients. Unlike operators arising from boundary element methods for which the H-matrix theory has been extensively developed, the inverses of these operators do not benefit from the smoothness of the kernel functio...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Journal: :Bulletin of the American Mathematical Society 1975

2013
Hans-Peter Grossart Lasse Riemann Kam W. Tang

Molecular and functional ecology of aquatic microbial symbionts Grossart, H.-P.; Riemann, Lasse; Tang, K.W. Published in: Frontiers in Microbiology DOI: 10.3389/fmicb.2013.00059 Publication date: 2013 Document Version Publisher's PDF, also known as Version of record Citation for published version (APA): Grossart, H-P., Riemann, L., & Tang, K. W. (2013). Molecular and functional ecology of aquat...

Journal: :Bulletin of the American Mathematical Society 1972

2012
Nicole M. Novielli Baraa K. Al-Khazraji Philip J. Medeiros Daniel Goldman Dwayne N. Jackson

BACKGROUND Peripheral vascular disease in pre-diabetes may involve altered sympathetically-mediated vascular control. Thus, we investigated if pre-diabetes modifies baseline sympathetic Y(1)-receptor (Y(1)R) and α(1)-receptor (α(1)R) control of hindlimb blood flow (Q(fem)) and vascular conductance (VC). METHODS Q(fem) and VC were measured in pre-diabetic ZDF rats (PD) and lean controls (CTRL)...

2013
T. A. Papaioannou Georgios Digas Ch. Bikos V. Karamoulas E. A. Magnissalis

The aim of this study was to provide a preliminary evaluation of the possible effect that femoral version may have on the bearing equilibrium conditions developed on the medial tibiofemoral compartment. A digital 3D solid model of the left physiological adult femur was used to create morphological variations of different neck-shaft angles (varus 115, normal 125, and valgus 135 degrees) and vers...

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