نتایج جستجو برای: thermal deflection

تعداد نتایج: 226633  

In this study, the effect of finite strain on bending of the geometrically nonlinear of micro laminated composite Euler-Bernoulli beam based on Modified Couple Stress Theory (MCST) is studied in thermal environment. The Green-Lagrange strain tensor according to finite strain assumption and the principle of minimum potential energy is applied to obtain governing equation of motion and boundary c...

M. Zamanian S. A. A. Hosseini

This article studied static deflection, natural frequency and nonlinear vibration of a clamped-clamped microbeam under discontinues electrostatic actuation. The electrostatic actuation was induced by applying AC-DC voltage between the microbeam and electrode plate. In contrast to previous works, it was assumed that length of the electrode plate was smaller than that of the microbeam. In additio...

2002
Ching-Fang Hsu Te-Lung Liu Nen-Fu Huang

This paper concerns itself with the performance of deflection routing in optical burst-switched networks based on Just-Enough-Time (JET) signaling. Generally speaking, buffer requirement is not vital for JET-based optical burst switching (OBS). However, if deflection routing is enabled, optical buffers are necessary to solve the insufficient offset time problem. A variant of priority queuing mo...

2012
Liang Dai Siow Yee Ng Patrick S. Doyle Johan R. C. van der Maarel

Currently, no theory is available to describe the conformation of DNA confined in a channel when the nanochannel diameter is around the persistence length. Backfolded hairpins in the undulating wormlike chain conformation result in the formation of loops, which reduces the stretch of the molecule in the longitudinal direction of the channel. A cooperativity model is used to quantify the frequen...

2003
H. D. Espinosa Y. Zhu M. Fischer J. Hutchinson

In this paper, we identify the Young’s modulus and residual stress state of a free-standing thin aluminum membrane, used in MEMS radio-frequency (rf) switches. We have developed a new methodology that combines a membrane deflection experiment (MDE) and three-dimensional numerical simulations. Wafer-level MDE tests were conducted with a commercially available nanoindenter. The accuracy and usefu...

آفرینش, محمدرضا, شمسی زاده, علی, شیبانی, دکتر وحید, عباس‌نژاد, دکتر مهدی, فرازی‌فرد, رسول,

Effect of the Dorsal Raphe Nucleus Electrical Stimulation on Evoked Response of the IV Layers and V Barrel Cortical Neurons in Rat M.R Afarinesh MSc , V. Sheibani PhD , R. Farazifard MSc 1, M. Abasnegad PhD , A. Shamsi zadeh MSc Received: 17/09/06 Sent for Revision: 13/03/07 Received Revised Manuscript: 13/06/07 Accepted: 27/06/07 Background and Objective: Seretonergic pathway is one of the neu...

Journal: :Aircraft Engineering and Aerospace Technology 2021

Purpose This paper aims to report the first iteration on Light Detection and Ranging (LIDAR) Engineering Model altimeter named HELENA. HELENA is a Time of Flight (TOF) that provides time-tagged distances velocity measurements. The LIDAR can be used for support near asteroid navigation scientific information. design comprises two types technologies: microchip laser low noise sensor. synergies be...

2009
A. KARABULUT

Many manufacturing defects could be seen in cylindrical turning. Some of these defects are: elastic deformation of work-piece, nonlinear backlash of cutting set – machine – workpiece, unknown geometry of untreated part, thermal deformations, vibration of set and machine. Deflection of workpiece under cutting forces will cause different levels of processing of workpiece 1 . Nonlinear backlash of...

2011
David Klocke Anke Schmitz Helmut Soltner Herbert Bousack Helmut Schmitz

Beetles of the genus Melanophila and certain flat bugs of the genus Aradus actually approach forest fires. For the detection of fires and of hot surfaces the pyrophilous species of both genera have developed infrared (IR) receptors, which have developed from common hair mechanoreceptors. Thus, this type of insect IR receptor has been termed photomechanic and shows the following two special feat...

Journal: :Magnetic resonance in medicine 2017
Eva Oberacker Katharina Paul Till Huelnhagen Celal Oezerdem Lukas Winter Andreas Pohlmann Laura Boehmert Oliver Stachs Jens Heufelder Andreas Weber Matus Rehak Ira Seibel Thoralf Niendorf

PURPOSE Proton radiation therapy (PRT) is a standard treatment of uveal melanoma. PRT patients undergo implantation of ocular tantalum markers (OTMs) for treatment planning. Ultra-high-field MRI is a promising technique for 3D tumor visualization and PRT planning. This work examines MR safety and compatibility of OTMs at 7.0 Tesla. METHODS MR safety assessment included deflection angle measur...

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