نتایج جستجو برای: روش sph

تعداد نتایج: 372034  

2000
A. Geranios E. Fokitis A. Petridis M. Vassiliou

An experimental setup and procedure for accurate transmittance measurements of candidate filters for the Auger Fluorescence Detector is presented. For this check, we used the Hitachi U-2000 double-beam spectrophotometer (Sph) of the Chemical Department of the University of Athens (UoA). After the calibration of the Sph, we are able to observe transmittance deviations over the area of the filter...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2013
Ghulam Mustafa Nandwani Mathew Paul Musker Brian John Chaplin Ihab El Madhoun Habib Akbani

Patients presenting with flank pain are likely to have urological pathology but when features of hypotension are present high index of suspicion is needed to reach the cause such as perirenal haemorrhage. Spontaneous perirenal haemorrhage (SPH) is an uncommon presentation of vasculitis, autoimmune disease or malignancy. It is common in males in the age group between 30 and 60 years. Polyarterit...

2014
Michel JABBOUR Mohamad-Fadi DALATI

Spontaneous peri-renal hemorrhage (SPH) was first described in 1856 by Carl Wünderlich, a German physician, who identified a non-traumatic renal hemorrhage confined to the subcapsular and peri-renal space [1]. Most of the time, the clinical symptoms of SPH are nonspecific (flank pain and/or abdominal mass), necessitating imaging studies. The overall sensitivity of CT scans in detection of SPH c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی 1393

تحقیق پیش روی عمدتاً به توسعه یک فلوم موج عددی بر مبنای روشی بدون مش موسوم به هیدرودینامیک ذرات هموار (sph) می¬پردازد. بر این اساس، معادلات غیر لزج ناویر-استوکس (اویلر) در حالت دو بعدی و با اتخاذ رویکردی لاگرانژی حل می¬شوند. این ابزار عددی، فلومی منشوری با سطح مقطع مستطیلی را همانند سازی می¬کند. افزون بر امواج ناشکنا، مدل قادر به توصیف جزئیات مراحل پیش و پس از شکست امواج می¬باشد. فلوم موج مجهز ب...

2017
Aleksandar Džakula Rafaela Tripalo Dorja Vočanec Dagmar Radin Karmen Lončarek

The work, results, and thoughts of Andrija Štampar are recognized globally as a public health heritage (1). They encompass the vision of health as a state of overall well-being, society as the key responsible health care provider, and a set of values and guiding principles underlining the importance of optimal health. The reasons behind their adoption worldwide lie in the success of public heal...

2011
Benjamin Schindler Raphael Fuchs Jürgen Waser Ronald Peikert

This paper presents the first method for isosurface extraction from smoothed particle hydrodynamics (SPH) data that is exact with respect to the functional representation provided by SPH. The Marching Correctors algorithm is an extension of the Marching Cubes algorithm which is adapted to the SPH representation and avoids resampling to a full grid. The algorithm operates on a virtual grid of su...

Journal: :Ciencia & saude coletiva 2015
Stéphany Ketllin Mendes Oliveira Mayane Moura Pereira Luiz Sena Guimarães Antônio Prates Caldeira

Over a century has passed since slavery was abolished in Brazil, yet quilombola communities remain socially vulnerable, especially when it comes to health. The goal of this study was to understand self-perceived health (SPH) in quilombola communities in Northern Minas Gerais, and the factors associated with their negative -perceived their own health. A household survey of a representative sampl...

روش‌های عددی لاگرانژی ابزاری مناسب برای مطالعه رفتار سیالات با سطح آزاد می‌باشند. از جمله روش‌هایی که در سال‌های اخیر در این زمینه مورد توجه قرار گرفته است روش عددی بدون شبکه‌بندی هیدرودینامیک ذرات هموار (SPH) می‌باشد. این روش از یک بیان انتگرالی برای تقریب توابع استفاده می‌کند و توابع کرنل یا وزن نقش اساسی در بیان تقریب‌های انتگرالی دارند و انتخاب یک تابع کرنل مناسب تاثیر بسیار مهمی در دقت و پ...

Journal: :Monthly Notices of the Royal Astronomical Society 2002

2005
Alexandre M. Tartakovsky

on SPH to simulate three-dimensional invasion of nonwetting and wetting fluids in fracture apertures with Smoothed particle hydrodynamics (SPH) models were used to complex geometries. Such complex processes are very simulate unsaturated flow in fractures with complex geometries. The SPH is a fully Lagrangian particle-based method that allows the dydifficult to model with traditional grid-based ...

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