نتایج جستجو برای: keywords deflection

تعداد نتایج: 1985577  

2003
Satoru Yamano Fei Xue S. J. Ben Yoo

Contention resolution schemes are the key determinant of the network performance in optical packet switched networks. This paper presents a contention resolution scheme in wavelength and space dimension. By integrating deflection routing with wavelength conversion, this paper investigates their effects on packet-loss performance through simulation studies. In particular, we propose a load-sensi...

2013
Zeshan Ahmad Matteo Zoppi

The objective of positioning the fixture elements in the fixture is to make the workpiece stiff, so that geometric errors in the manufacturing process can be reduced. Most of the work for optimal fixture layout used the minimization of the sum of the nodal deflection normal to the surface as objective function. All deflections in other direction have been neglected. We propose a new method for ...

2013
Soon-Young Lee Sung-Ho Park

The purpose of the present study was to evaluate the relationship between the amount of cuspal deflection and linear polymerization shrinkage in resin composite and polyacid modified resin composite. For cuspal defelction and shrinkage measurement, Dyract AP, Compoglass F, Z100, Surefil, Pyramid, Synergy Compact, Heliomolar and Heliomolar HB were used. For measuring polymerization shrinkage, a ...

Journal: :Physiological research 2004
O Ozcelik H Kelestimur

Anaerobic threshold which describes the onset of systematic increase in blood lactate concentration is a widely used concept in clinical and sports medicine. A deflection point between heart rate-work rate has been introduced to determine the anaerobic threshold non-invasively. However, some researchers have consistently reported a heart rate deflection at higher work rates, while others have n...

2008
Y. Liu J. D. Richardson J. G. Luhmann R. P. Lin S. D. Bale

[1] We examine the upstream meridional deflection flows of interplanetary coronal mass ejections (ICMEs) in an effort to investigate their cross-sectional shape and the magnetic field orientation in their sheath regions. Eight out of 11 magnetic clouds (MCs) near solar minimum identified for the curvature study are concave outward as indicated by the elevation angle of the MC normal with respec...

1998
Qiao Lin Joel W. Burdick Elon Rimon

This paper presents an approach to planning compliant grasps and fixtures in which the object exhibits minimal deflection under external disturbances. The approach, which applies to general twoand threedimensional grasps and fixtures represented by any quasirigid compliance model, employs a quality measure that characterizes the grasped or fixtured object’s worst-case deflection caused by distu...

Journal: :The Journal of the Acoustical Society of America 2011
X Zheng R Mittal S Bielamowicz

Two-dimensional numerical simulations are used to explore the mechanism for asymmetric deflection of the glottal jet during phonation. The model employs the full Navier-Stokes equations for the flow but a simple laryngeal geometry and vocal-fold motion. The study focuses on the effect of Reynolds number and glottal opening angle with a particular emphasis on examining the importance of the so-c...

2011
Wael Hosny Fouad Aly Martin Levesque Halima ElBiaze

One of the major problems in Optical Burst Switching (OBS) networks is burst contention. Deflection routing is used to resolve the contention problem. Burst Loss ratio (BLR) is the ratio of the lost bursts to the total sent bursts from the transmitter to the receiver. Burst retransmission is used to reduce the BLR by retransmitting dropped bursts. Previous research papers show that combining de...

The shaft deflection is one of critical factors that deteriorate the grease lubrication state inside the tapered roller bearings (TRBs). So, in this paper, on the premise of the TRB subjected to the combined loads and the shaft is deflected, the grease lubrication model at the TRB contacts was constructed, in which the interaction loads, linear and angular displacements of the bearing parts wer...

Journal: :The Review of scientific instruments 2007
Lars-Oliver Heim Diethelm Johannsmann

Employing an atomic force microscope (AFM) in conjunction with a quartz crystal microbalance, we have investigated how a high-frequency lateral oscillation of the substrate influences the imaging process of the AFM. It was found that the time-averaged deflection of the cantilever (both vertical and lateral) changed when the oscillation of the quartz resonator was turned on. The vertical-tip-sub...

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