نتایج جستجو برای: elasticity number

تعداد نتایج: 1190555  

Journal: :international journal of civil engineering 0
m.e. torki phd student, zachry department of civil engineering, texas a&m university, college station, tx 77843, usa m. taghi kazemi associate professor, department of civil engineering, sharif university of technology, tehran, islamic republic of iran s.b. talaeitaba assistant professor of azad university, department of civil engineering, khomeinishahr azad university, isfahan, islamic republic of iran

the effect of axial deformation of shell particles on the dynamic instability (flutter) of cantilevered cylindrical shells made of functionally graded materials (fgm) under an end axial follower force is addressed. to this end, at first, results for free vibration of fgm cylindrical shells were verified with previous outcomes and they were in very good agreement. then, the effect of axial defor...

Journal: :Lab on a chip 2011
Seungyoung Yang Jae Young Kim Seong Jae Lee Sung Sik Lee Ju Min Kim

Particle focusing in planar geometries is essentially required in order to develop cost-effective lab-on-a-chips, such as cell counting and point-of-care (POC) devices. In this study, a novel method for sheathless particle focusing, called "Elasto-Inertial Particle Focusing", was demonstrated in a straight microchannel. The particles were notably aligned along the centerline of the straight cha...

2016
Mingchao Cai Luca F. Pavarino

The goal of this work is to construct and study hybrid and multiplicative two-level overlapping Schwarz algorithms with standard coarse spaces for the almost incompressible linear elasticity and Stokes systems, discretized by mixed finite and spectral element methods with discontinuous pressures. Two different approaches are considered to solve the resulting saddle point systems: a) a precondit...

2018
Milad Radiom Plinio Maroni Tomasz A Wesolowski

Using MP2, CCSD, and B3LYP methods of computational chemistry, we show length dependence in the intrinsic elastic properties of short alkane fragments. For isolated alkane fragments of finite length in the gas phase and zero temperature, the intrinsic elasticity constants are found to vary with the number of carbon atoms and its parity. From extrapolation of the elasticity constants calculation...

Journal: :Diagnostic and interventional radiology 2015
Saliha Çıracı Sinan Tan Ayşenur Şirin Özcan Ahmet Aslan Hüseyin Levent Keskin Ömer Faruk Ateş Yıldız Akçay Halil Arslan

PURPOSE We aimed to assess the feasibility and reproducibility of real-time elastography (RTE) for displaying the effects of morphological changes in the ovary in polycystic ovary syndrome (PCOS). METHODS Forty-eight patients diagnosed with PCOS and 48 healthy women were enrolled in the study. Ultrasonography and RTE were performed on the 3rd day of the menstrual cycle. Evaluations were perfo...

Journal: :Molecular & cellular biomechanics : MCB 2013
Benjamin Castaneda Juvenal Ormachea Paul Rodríguez Kevin J Parker

Elasticity imaging can be understood as the intersection of the study of biomechanical properties, imaging sciences, and physics. It was mainly motivated by the fact that pathological tissue presents an increased stiffness when compared to surrounding normal tissue. In the last two decades, research on elasticity imaging has been an international and interdisciplinary pursuit aiming to map the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده کشاورزی 1390

abstract previous researches have shown success of growth hormones usage on flower production increase, pod and prevention of abscission of them in some of the pulses. two tests were done, in order to find out the effects of growth hormones to on flower production increase, pod and chick pea yield composites in farmer conditions (2010-11) and green house conditions as factorial on the proje...

2014
K. R. Rajagopal

In this talk I assert that the usual interpretation of what one means by “elasticity” is much too insular and illustrate my thesis by introducing implicit constitutive theories that can describe the nondissipative response of solids. I show that response which was hitherto untenable within the context of Cauchy or Green Elasticity are not only possible, they can explain phenomena that have thus...

2017
Keqin Li

4 Abstract—Elasticity is a fundamental feature of cloud computing and can be considered as a great advantage and a key benefit of 5 cloud computing. One key challenge in cloud elasticity is lack of consensus on a quantifiable, measurable, observable, and calculable 6 definition of elasticity and systematic approaches to modeling, quantifying, analyzing, and predicting elasticity. Another key ch...

2017
Calin Iorgulescu Florin Dinu Aunn Raza Wajih Ul Hassan Willy Zwaenepoel

Understanding the performance of data-parallel workloads when resource-constrained has significant practical importance but unfortunately has received only limited attention. This paper identifies, quantifies and demonstrates memory elasticity, an intrinsic property of dataparallel tasks. Memory elasticity allows tasks to run with significantly less memory that they would ideally want while onl...

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