Flutter suppression digital control law design and testing for the AFW wind-tunnel model [PDF]
Design of a control law for simultaneously suppressing the symmetric and antisymmetric flutter modes of a string mounted fixed-in-roll aeroelastic wind tunnel model is described.
Mukhopadhyay, Vivek
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Difluoro Carbenes: From Genuine Gold Complexes to Unprecedented Metallacyclic Reactivity
Angewandte Chemie International Edition, EarlyView.Thanks to chelating ligands and enhanced backdonation, genuine gold(I) difluorocarbenes persistent for hours at −30 °C or even 0 °C have been obtained. In addition to classical Fisher‐type electrophilic behavior, these complexes display unprecedented reactivity toward alkenes and 1,3‐dienes.
David Vesseur +6 more
wiley +1 more source
Flutter Characteristics of a Modified Z-Shaped Folding Wing Using a New Non-Intrusive Model
AerospaceUnmanned aerial vehicles (UAVs) with folding wings can serve in multiple mission profiles, usually accompanied by sudden changes in flight speed. These bring great challenges to the aeroelastic design of UAVs, especially in the calculation of flutter ...
Wuchao Qi, Shimiao Wu, Sumei Tian
doaj +1 more source
Atrial Flutter With 1:1 Atrioventricular Conduction and Profound Nonischemic ST Segment Depression
, 2011 Sokratis Pastromas +4 more
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Prediction of transonic flutter for a supercritical wing by modified strip analysis and comparison with experiment [PDF]
Use of a supercritical airfoil can adversely affect wing flutter speeds in the transonic range. As adequate theories for three dimensional unsteady transonic flow are not yet available, the modified strip analysis was used to predict the transonic ...
Desmarais, R. N. +3 more
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NURBS-based finite element analysis of functionally graded plates: Static bending, vibration, buckling and flutter [PDF]
, 2012 Navid Valizadeh +5 more
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Concentrated mass effects on the flutter of a composite advanced turboprop model [PDF]
The effects on bending-torsion flutter due to the addition of a concentrated mass to an advanced turboprop model blade with rigid hub are studied. Specifically the effects of the magnitude and location of added mass on the natural frequencies, mode ...
Kaza, K. R. V., Ramsey, J. K.
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The Anatomical Record, EarlyView.Abstract The trigeminus nerve (cranial nerve V) is a large and significant conduit of sensory information from the face to the brain, with its three branches extending over the head to innervate a wide variety of integumentary sensory receptors, primarily tactile.
Juri A. Miyamae +4 more
wiley +1 more source
2014 AATS guidelines for the prevention and management of perioperative atrial fibrillation and flutter for thoracic surgical procedures. Executive summary [PDF]
, 2014 György Frendl +15 more
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Development and application of an optimization procedure for flutter suppression using the aerodynamic energy concept [PDF]
An optimization procedure is developed based on the responses of a system to continuous gust inputs. The procedure uses control law transfer functions which have been partially determined by using the relaxed aerodynamic energy approach. The optimization
Abel, I., Nissim, E.
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