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Relevant bibliographies by topics / Top Chord

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Academic literature on the topic 'Top Chord'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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Journal articles on the topic "Top Chord"

1

Koelsch, Stefan, and Sebastian Jentschke. "Differences in Electric Brain Responses to Melodies and Chords." Journal of Cognitive Neuroscience 22, no. 10 (2010): 2251–62. http://dx.doi.org/10.1162/jocn.2009.21338.

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The music we usually listen to in everyday life consists of either single melodies or harmonized melodies (i.e., of melodies “accompanied” by chords). However, differences in the neural mechanisms underlying melodic and harmonic processing have remained largely unknown. Using EEG, this study compared effects of music-syntactic processing between chords and melodies. In melody blocks, sequences consisted of five tones, the final tone being either regular or irregular (p = .5). Analogously, in chord blocks, sequences consisted of five chords, the final chord function being either regular or irre

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Regnault, Pascaline, Emmanuel Bigand, and Mireille Besson. "Different Brain Mechanisms Mediate Sensitivity to Sensory Consonance and Harmonic Context: Evidence from Auditory Event-Related Brain Potentials." Journal of Cognitive Neuroscience 13, no. 2 (2001): 241–55. http://dx.doi.org/10.1162/089892901564298.

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The goal of this study was to analyze the time-course of sensory (bottom-up) and cognitive (top-down) processes that govern musical harmonic expectancy. Eight-chord sequences were presented to 12 musicians and 12 nonmusicians. Expectations for the last chord were manipulated both at the sensory level (i.e., the last chord was sensory consonant or dissonant) and at the cognitive level (the harmonic function of the target was varied by manipulating the harmonic context built up by the first six chords of the sequence). Changes in the harmonic function of the target chord mainly modulate the ampl

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Alnebhan, Kareem Mohamed, and Muhaned A. Shallal. "Effect of filling steel tube chords by concrete on the structural behaviour of composite truss girders." Al-Qadisiyah Journal for Engineering Sciences 13, no. 3 (2020): 167–74. http://dx.doi.org/10.30772/qjes.v13i3.662.

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In this study, three specimens of Warren truss girders composite with concrete deck slab were tested experimentally under a central monotonic load to study the effect of the existence of concrete inside the chords. The load capacity, deflection, slip between the concrete slab and steel tube, and failure modes were reported. Both chords were filled with concrete to the first specimen, only the lower chord was filled with concrete and the upper chord remained hollow to the second specimen and both chords were kept hollow in the third specimen. The result indicated that the existence of concrete

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Parncutt, Richard, and Albert S. Bregman. "Tone Profiles following Short Chord Progressions: Top-down or Bottom-up?" Music Perception 18, no. 1 (2000): 25–57. http://dx.doi.org/10.2307/40285900.

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Three experiments explored the relationship between chroma-salience profiles of individual chords and tone profiles obtained after short chord progressions. Musicians' tone profiles for diatonic progressions of one, two, and three chords were compared with predictions of three models: a bottom- up stimulus model (number of times each chroma occurs in the progression), a top-down or schema-driven key model (best-fitting key profile of C. L. Krumhansl & E. J. Kessler, 1982), and an intermediate pitch model that includes both top-down and bottom-up components (cumulative pitch salience; R. Pa

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Cook, Scott. "Examining a Canadian Jazz Icon: Pitch-Class Hierarchy in Some Representative Examples of Kenny Wheeler." Articles 32, no. 1-2 (2013): 117–41. http://dx.doi.org/10.7202/1018581ar.

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The article examines some representative tunes by the notable Canadian jazz trumpeter and composer Kenny Wheeler. Though rooted in traditional jazz practices, Wheeler’s own compositions often deviate from tradition. For instance, his chord successions are sometimes highly chromatic and often non-diatonic. Further, he often excludes Mm7 chords, which diminishes the sense of traditional functionality. Yet his melodies tend to promote longer-reaching relationships that prioritize certain pitch-class collections over others. In contrast to the more traditional chord-scale approach commonly used to

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Tanijaya, Jonie. "Shear Stress Distribution in the Opening Chords of Hybrid R/C T-Beams with Opening." MATEC Web of Conferences 147 (2018): 01005. http://dx.doi.org/10.1051/matecconf/201814701005.

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This study is carried out to evaluate the potential of three hybrid T-beams with web openings theoretical shear stresses distribution. The shear stresses at the opening edges were plotted at the working stage, yielding stage and collapse stage for these three tested beams. The available experimental results from the previous research was compared to the finite element results as well as the developed analytical. The shear stress distribution at the middle of the top and bottom chords of the opening in pure bending region are zero. At the upper and lower corners of the opening occurs the maximu

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Kawauchi, Akio. "A chord diagram of a ribbon surface-link." Journal of Knot Theory and Its Ramifications 24, no. 10 (2015): 1540002. http://dx.doi.org/10.1142/s0218216515400027.

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A ribbon chord diagram, or simply a chord diagram, of a ribbon surface-link in the 4-space is introduced. Links, virtual links and welded virtual links can be described naturally by chord diagrams with the corresponding moves, respectively. Some moves on chord diagrams are introduced by overseeing these special moves. Then the faithful equivalence on ribbon surface-links is stated in terms of the moves on chord diagrams. This answers questions by Nakanishi and Marumoto affirmatively. The faithful TOP-equivalence on ribbon surface-links derives the same result. By combining a previous result on

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Trong Ha, NGUYEN, and TRAN Anh Nghia. "SAFETY PROBABILITY ASSESSMENT OF COMPRESSIVE TOP CHORD OF STEEL PONY TRUSS BRIDGES USING HYPERCUBE LATIN SAMPLING AND MONTE CARLO SIMULATION." Vinh University Journal of Science 53, no. 1A (2023): 17–25. http://dx.doi.org/10.56824/vujs.2023a155.

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The steel pony-truss bridge is a structure commonly used in road and rail traffic. It has a simple structure, a large bearing capacity, and high economic efficiency. The safety of steel pony-truss bridges is highly dependent on the stability conditions of the top chord. This paper presents the reliability assessment of the compressive top chord of steel pony truss bridges according to stability conditions. For this purpose, a deterministic model was built from the stability conditions of the compressive top chord; then, a stochastic model was established based on the deterministic model, in wh

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Srinivasan, V., and R. J. Goldstein. "Effect of Endwall Motion on Blade Tip Heat Transfer." Journal of Turbomachinery 125, no. 2 (2003): 267–73. http://dx.doi.org/10.1115/1.1554411.

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Local mass transfer measurements were conducted on the tip of a turbine blade in a five-blade linear cascade with a blade-centered configuration. The tip clearance levels ranged from 0.6 to 6.9% of blade chord. The effect of relative motion between the casing and the blade tip was simulated using a moving endwall made of neoprene mounted on the top of the wind tunnel. Data were obtained for a single Reynolds number of 2.7×105 based on cascade exit velocity and blade chord. Pressure measurements indicate that the effect of endwall motion on blade loading at a clearance of 0.6% of blade chord is

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A. Sabit, Hiba, and Aamer N. Abbas. "STRUCTURAL BEHAVIOR OF HYBRID REINFORCED CONCRETE COUPLED BEAMS CONTAINING REACTIVE POWDER CONCRETE AND HIGH STRENGTH CONCRETE." Journal of Engineering and Sustainable Development 25, no. 02 (2021): 68–77. http://dx.doi.org/10.31272/jeasd.25.2.8.

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Reactive powder concrete and high strength concrete have superior mechanical and structural properties, however, the major drawback of this new construction material is its high cost compared to traditional concrete. This study presents an experimental investigation on the structural behavior of hybrid rectangular cross section (coupled) reinforced concrete beams poured with normal and high strength concrete (HSC) at compression chord, normal strength concrete (NSC) at ribs, and reactive powder concrete (RPC) at tension chord. The experimental work consists of pouring and testing four specimen

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Dissertations / Theses on the topic "Top Chord"

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Ortiz-Morgado, Ramon. "Structural Analysis of an Aluminum Pedestrian Bridge in conformity to AASHTO Specifications for Highway Bridges & The Aluminum Association Design Manual." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1153794118.

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Heath, Joshua. "Economical design considerations for one-way 300 foot span, steel, parallel top & bottom chord warren trusses." Kansas State University, 2012. http://hdl.handle.net/2097/15058.

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Master of Science<br>Department of Architectural Engineering<br>Kimberly W. Kramer<br>Trusses are an efficient way to span long distances with minimal material required. This report is a parametric study of the different design and construction aspects for a 300’-0” span, steel, Warren type truss. The study specifically examines the vertical loading on the truss, including components and cladding wind loading. The engineering variables investigated are panel point location, steel shape size and type, steel grade, member orientation, and connection design. Each of these aspects are studied

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Walimbe, Anmol. "Investigation of Shear Lag and Eccentric Weld Demands on Top Chord Knife Connections in Open Web Steel Joist Girders." University of Cincinnati / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1623165008367418.

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Štelcl, Jan. "Lávka pro chodce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226044.

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Master thesis is focused to design the timber pedestrian bridge over the track. The load-bearing construction is composed from the truss girder and cross laminated tiber plates. Bridge is coveder. Layout dimensions of the bridge are 49.0 m x 4.8 m

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Tiné, Paulo José de Siqueira. "Três Compositores da Música Popular do Brasil: Pixinguinha, Garoto e Tom Jobim. Uma Análise Comparativa que Abrange o Período do Choro a Bossa-Nova." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/27/27140/tde-24092011-211519/.

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A pesquisa trata de um estudo de três compositores da música popular do Brasil: Pixinguinha, Garoto e Tom Jobim. Através da análise de 5 obras representativas de cada compositor, pretende-se chegar a um perfil comparativo desses compositores, bem como dos períodos que eles representam no contexto da música popular: do choro à bossa nova,<br>The research is a study about three composers of Brazil\'s popular music: Pixinguinha, Garoto and Tom Jobim. Through the analysis of five representative pieces of each composer, the intention is to reach a comparative profile of these composers, as well as

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Hajdú, Lukáš. "Vliv decentrálních zdrojů na provozování distribuční soustavy 110 kV E.ON." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219014.

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This Master´s thesis deals with problematics related to the connection of new decentralized power sources into electrical power grid. Due to advantageous legislative support of these new, especially photovoltaic power sources, a massive amount of these sources have been connected into the power grid between years 2009 and 2010. For theoretical understanding of processes during a steady-state, the initial parts of this paper are focused on a procedure which solves steady-state on every power line mentioned. When we speak of decentralized power sources connection, it is necessary to mention the

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CHEN, CHUAN-CHI, and 陳全騏. "Analysis of Top Chord Buckling in Half-through Truss Bridges." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/wp7dr2.

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碩士<br>大漢技術學院<br>土木工程與環境資源管理研究所<br>106<br>This study uses SAP2000 for non-linear buckling analysis, validates the predecessors' theoretical equation for the effective length and critical buckling force of a top chord in half-through truss bridges, and proposes non-linear buckling to calculate an effective length coefficient, so as to determine the design pressure strength. The bracing in the horizontal direction of a half-through truss bridge influences the overall buckling mode of the half-through truss bridge and impacts the critical buckling force of the top chord significantly. The rigidity

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Books on the topic "Top Chord"

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(COR), Hal Leonard Publishing Corporation. Top 100 Southern Gospel Songbook: Guitar Chord Songbook. Brentwood-Benson, 2006.

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Top 50 Most Performed Songsongs: Piano, Vocal, Chord. Alfred Publishing Company, 1999.

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Top Tier Mandolin Chord Progressions : Book 2: 200 Progressions. Independently Published, 2022.

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MusicResources. Top Tier Mandolin Chord Progressions : Book 1: 200 Progressions. Independently Published, 2022.

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Hal Leonard Publishing Corporation (COR). Top 100 Praise and Worship Songbook: Guitar Chord Songbook. Brentwood-Benson, 2006.

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Test Results from an Investigation of Parallel-Chord, Top-Chord-Bearing Wood Trusses (Research Report, No 85-1). Univ of Illinois Small Homes, 1985.

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A classic Christmas: For easy piano with top lines and chord symbols. Cramer Music Ltd., 1992.

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Kubicek, Ocie. Songs in Guitar : Top Easy Guitar Chord Songs for Beginners: Traditional Folk Music. Independently Published, 2021.

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Tornquist, Carol. 25 Top Praise and Worship Songs - Volume 4: For Solo Piano Includes Chord Symbols. Leonard Corporation, Hal, 2013.

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Hal Leonard Publishing Corporation (COR). Top Hits of 2022 for Ukulele: 16 Songs Arranged for Standard G-C-E-a Tuning with Vocal Melody, Lyrics and Chord Diagrams. Leonard Corporation, Hal, 2022.

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Book chapters on the topic "Top Chord"

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Horn, Michael S., Melanie West, and Cameron Roberts. "Diatonic chords and chord progressions." In Introduction to Digital Music with Python Programming. Focal Press, 2022. http://dx.doi.org/10.4324/9781003033240-11.

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Peng, Zhihui, and Jiaqi Li. "Research on the Removal Sequence of Arch Rib Assembly Supports for Concrete-Filled Steel Tubular Tied Arch Bridges." In Novel Technology and Whole-Process Management in Prefabricated Building. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-5108-2_5.

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AbstractThe main bridge of the Bayi Bridge project in Yangxin County is a concrete-filled steel tubular tied arch bridge with a calculated span of 127.04 m. The steel pipe arch ribs adopt a dumbbell-shaped cross-section, are manufactured in seven longitudinal sections, and are constructed using the support method. The tie beams are fully prestressed concrete structures. The design guidance plan is to remove the arch rib assembly bracket after completing the arch rib steel pipe concrete construction. Considering that during the construction process of steel pipe concrete top pressure injection,

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Korzun, Dmitry, and Andrei Gurtov. "CR-Chord." In Structured Peer-to-Peer Systems. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5483-0_11.

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Horn, Michael S., Melanie West, and Cameron Roberts. "Random chord progressions." In Introduction to Digital Music with Python Programming. Focal Press, 2022. http://dx.doi.org/10.4324/9781003033240-12.

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Horn, Michael S., Melanie West, and Cameron Roberts. "Chords." In Introduction to Digital Music with Python Programming. Focal Press, 2022. http://dx.doi.org/10.4324/9781003033240-7.

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Lydon, Michael. "The Magic Chord Sequence." In How To Play Classic Jazz Guitar. Routledge, 2023. http://dx.doi.org/10.4324/9781003419549-9.

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Lydon, Michael. "Jazz Chords." In How To Play Classic Jazz Guitar. Routledge, 2023. http://dx.doi.org/10.4324/9781003419549-6.

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Horn, Michael S., Melanie West, and Cameron Roberts. "Playing chords." In Introduction to Digital Music with Python Programming. Focal Press, 2022. http://dx.doi.org/10.4324/9781003033240-8.

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Cao, Yang, Zhenhua Duan, Jian-Jun Qi, Zhuo Peng, and Ertao Lv. "Implementing Chord for HP2P Network." In On the Move to Meaningful Internet Systems 2006: OTM 2006 Workshops. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11915072_53.

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Lydon, Michael. "Three-String Chords." In How To Play Classic Jazz Guitar. Routledge, 2023. http://dx.doi.org/10.4324/9781003419549-14.

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Conference papers on the topic "Top Chord"

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Grizzle, Andrew, Vikram Hrishikeshavan, Anand Saxena, and Inderjit Chopra. "Characterization of Endevco Piezoresistive Sensors for Blade Pressure Measurements." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12192.

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The use of extremely miniature silicon piezoresistive pressure sensors have come into wide use in recent years. The sensors realized by microelectronic techniques, along with a Wheatstone bridge configuration, present advantages in size, sensitivity, and linearity of electrical response. As a result, these qualities are valuable for pressure measurements on a rotor blade. In-house rotor testing involves the study of Mach scaled rotor blades operating up to high advance ratios (μ=1.5). The surface pressure data from the sensors at specific radial and chord-wise locations are integrated to obtai

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Vargas-Alas, Luis Guillermo, Yi Chen Liu-Kuan, and Alejandro Corrales-Guillén. "Análisis forense de fallas históricas de los puentes Bailey sobre el río Balsa-Santa Clara y el río Cataratas en Costa Rica." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.1128.

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<p>Se analizó el colapso de dos puentes modulares tipo Bailey en Costa Rica, sobre el río Balsa -Santa Clara, en 2018, y sobre el río Cataratas, en 2015. Ambos puentes tenían las mismas características principales y fueron colocados de forma temporal, pero se mantuvieron en el sitio hasta el día del colapso. El análisis demostró que el puente sobre el río Cataratas falló porque se superó la resistencia en compresión de la cuerda superior a una carga 2,3 veces mayor que la del río Balsa. El puente sobre el río Balsa falló por pérdida de estabilidad estructural debido a ausencia o falla, p

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Raja Zahirudin, Raja Akif, Eric Greenwood, and Jose Palacios. "Broadband Noise Behavior in Coaxial Co-Rotating Rotors." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-301.

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This paper investigates the relationship between broadband noise behavior and helical wake structure in coaxial corotating rotors. Experimental measurements were conducted across variations in collective pitch (9.4°, 12.5°, and 15.0°) and rotor speeds (1500–4500 RPM). The inflow ratio (λ) was shown to govern the slope of broadband noise trends mapped in phase offset versus separation distance space, with experimental and theoretical λ values agreeing within 1%. Tip vortex core growth was estimated using the Ramasamy-Leishman model and normalized by the blade tip chord, reflecting the location

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O'Brien, Nathan, and Anubhav Datta. "Aeroelastic Stability of a Hingeless Hub Tiltrotor at High Speeds." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1175.

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A 4.75-ft diameter dynamically scaled advanced hingeless hub swept-tip tiltrotor was tested up to unprecedented speeds of 200 knots. This paper describes its design, wind tunnel test, data, and comprehensive analysis predictions. The data consists of beam, chord, and torsion mode damping of the wing-pylon at a loosely Froude scaled RPM of 1050 extracted via the moving-block method. Three systematic parametric variations are studied; hingeless versus gimballed, hingeless versus gimbal-locked, and straight versus swept tip blades. In house comprehensive analysis, UMARC-II, was used to predict th

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Krishnamurthi, Jayanth, and Farhan Gandhi. "Flight Simulation and Control of a Helicopter Undergoing Rotor Chord Extension Morphing." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11499.

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The current study focuses on flight simulation and control of a helicopter undergoing rotor chord morphing. A model-following dynamic inversion controller with inner and outer loop control laws (CLAWS) is implemented and chord extension is introduced as an additional feedforward component to the inner loop CLAW. Simulation results based on a chord-morphing variant of the UH-60A Black Hawk helicopter at 20,000 lbs gross weight are presented. From the baseline rotor blade, the chord is increased from 63% to 83% of the rotor span by means of a trailing-edge plate (TEP) extension at a deployment a

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Winslow, Justin, Zohaib Hasnain, Moble Benedict, and Inderjit Chopra. "Performance and Flowfield Measurements of a Micro-Air-Vehicle Scale Helicopter Rotor." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9663.

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This paper describes the systematic performance measurements and flowfield studies (PIV) conducted towards understanding and optimizing the hover performance of a MAV-scale helicopter rotor operating at Reynolds numbers of 30,000 or less. The rotor parameters that were varied include blade airfoil profile, blade chord, number of blades, blade twist, planform taper and winglets at blade tip. Blade airfoil section had a significant impact on the hover efficiency and among the large number of airfoil sections tested, the ones with the lower thickness to chord ratios and moderate camber (4.5% to 6

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Mizushima, Yuki, and Takayuki Saito. "A Newly Developed Technique for Detection of a Contact Position in Bubble Measurements by a Single-Tip Optical Fiber Probe." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-10008.

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An optical fiber probe has been frequently employed to measure bubble diameters, velocities, and local void fractions simultaneously in gas-liquid two-phase systems. For the application of the probe to tiny-bubble measurement, one of the authors already developed a Single-Tip Optical fiber Probe (STOP). The purpose of this study is to rapidly improve the measurement accuracy of the S-TOP. A bubble chord length pierced by the S-TOP is obtained. Consequently, the chord length depends on the pierced position. The chord lengths measured by the S-TOP include an error owing to the random positions p

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Cherbal, Sarra, Abdellah Boukerram, and Abdelhak Boubetra. "An improvement of mobile Chord protocol using locality awareness on top of cellular networks." In 2017 5th International Conference on Electrical Engineering - Boumerdes (ICEE-B). IEEE, 2017. http://dx.doi.org/10.1109/icee-b.2017.8192071.

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Chesnokov, A., V. Mikhailov, and I. Dolmatov. "Adjustment of Stresses in the Top Chord of the Dome-Like Hybrid Roof Structure." In 10th edition of the conference on Textile Composites and Inflatable Structures. CIMNE, 2021. http://dx.doi.org/10.23967/membranes.2021.064.

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Boehncke, Gerrit. "TO STRIKE THE RIGHT CHORD: ABOUT THE COMMUNICATIVE EXPECTATIONS OF TOP STUDENTS AND HIGH POTENTIALS." In 14th annual International Conference of Education, Research and Innovation. IATED, 2021. http://dx.doi.org/10.21125/iceri.2021.1543.

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Reports on the topic "Top Chord"

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T.J. Donovan and Y. Danon. Application of Monte Carlo Chord-Length Sampling Algorithms to Transport Through a 2-D Binary Stochastic Mixture. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/820707.

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Rivera-Casillas, Peter, and Ian Dettwiller. Neural Ordinary Differential Equations for rotorcraft aerodynamics. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48420.

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High-fidelity computational simulations of aerodynamics and structural dynamics on rotorcraft are essential for helicopter design, testing, and evaluation. These simulations usually entail a high computational cost even with modern high-performance computing resources. Reduced order models can significantly reduce the computational cost of simulating rotor revolutions. However, reduced order models are less accurate than traditional numerical modeling approaches, making them unsuitable for research and design purposes. This study explores the use of a new modified Neural Ordinary Differential

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Zheng, Wanzheng, and Jason Merret. Aerodynamic Survey of Novel eVTOL Configuration Using SU2. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-014.

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This report summarizes computational fluid dynamics (CFD) results of electric vertical takeoff and landing (eVTOL) geometries using the SU2 Reynolds-averaged Navier-Stokes (RANS) solver. Geometries were generated based on the Smart Transportation Infrastructure Initiative (STII) Rappor 15th iteration with various rotor-installment solutions. It was found that although open rotors installed on an underwing pylon were superior to shrouded rotors installed in a canoe, the canoe configuration would provide more potential for improvement, and using a canoe door to cover the first rotor opening woul

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Lee, Wall, and Burch. L52333 NDE and Inspection Techniques Applied to Composite Wrap Repairs. Pipeline Research Council International, Inc. (PRCI), 2012. http://dx.doi.org/10.55274/r0010468.

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The objective includes: Assess commercially available inspection methods to validate integrity of composite repair systems. Identify applicability to inspect composite overwrap and parent metal for both onshore and sub-sea pipelines (where information is available). Identify sources of data to include other users of composite materials(aerospace/aircraft, naval/ship repairs). Identify procedures and technologies to assess inspection effectiveness and provide a gap analysis. Interface with other PRCI projects on long-term testing of composite repairs and other joint industry projects on composi

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STUDY ON SELF-VIBRATION CHARACTERISTICS AND SEISMIC RESPONSE OF LARGE-OPENING DRUM-HONEYCOMB-TYPE QUAD-STRUT SUSPEND- DOME STRUCTURE. The Hong Kong Institute of Steel Construction, 2025. https://doi.org/10.18057/ijasc.2025.21.2.6.

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The large-opening drum-honeycomb-type quad-strut suspend-dome structure is a new type of suspend-dome structure, which was improved from the traditional cable dome structure. It replaces the top chord of the cable dome with seamless steel pipes. The structure combines the characteristics of the suspend-dome and the cable dome. The bottom chord nodes connects four struts, two inclined cables and one ring cable. The Ansys finite element model is established to analyze the influence of initial prestress, rise-span ratio, thickness-span ratio, opening span and bottom chord arrangement schemes on t

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ANALYSIS OF THE DYNAMIC MECHANISM OF SQUARE TUBULAR T-JOINTS WITH CHORD FLANGES SUBJECTED TO IMPACT LOADING. The Hong Kong Institute of Steel Construction, 2024. http://dx.doi.org/10.18057/ijasc.2024.20.1.3.

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This study examines the dynamic mechanical properties of square tubular T-joints with impact loads acting on the chord surface in the joint area. The study first verified the failure modes and behaviors of the specimens under a brace axial force and impact, respectively, where the simulation results demonstrated good agreement with the experimental results. A total of 138 square hollow section tubular T-joint finite element models were divided into T1, T2, and T3 groups based on different tube diameter ratios. The failure modes, displacement-time history curves, and impact force-time history c

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BEHAVIOR INSIGHTS AND PLASTIC DESIGN CONSIDERATIONS OF SSTF SYSTEMS BASED ON DETAILED FINITE ELEMENT ANALYSES OF A PROPOSED SUB-STRUCTURE. The Hong Kong Institute of Steel Construction, 2024. http://dx.doi.org/10.18057/ijasc.2024.20.2.4.

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The steel staggered truss framing (SSTF) system has been increasingly utilized due to its large column-free spaces, high construction efficiency, and favorable economic benefits. Despite its advantages, the SSTF system has yet to be incorporated in mainstream seismic design codes and is predominantly applied in low-seismic regions. The primary obstacle hindering the wider application of the SSTF system is the limited understanding of its inelastic behaviors, particularly in regard to diaphragm actions. This study firstly introduces an SSTF sub-structure that precisely reflects the diaphragm ac

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APPLICATION OF HYDRAULIC SYNCHRONOUS LIFTING TECHNOLOGY IN THE CONSTRUCTION OF LONG-SPAN HYBRID STEEL STRUCTURES. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.070.

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The aim of this study was to solve technical problems, such as uneven structures, multiple lifting points, high accuracy control requirements, and multi-disciplinary collaborative work, in the process of lifting and hoisting long-span hybrid steel structures based on the lifting work of a steel roof and steel beams of the Hunan Radio and Television studio F. First, after conducting research on the comparison and selection of the construction scheme, lifting process, quality control and other aspects, a floor assembly + hydraulic lifting + overhead supplementary bar construction plan was propos

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EXPERIMENT STUDY ON THE INFLUENCES OF LENGTH ERRORS OF CABLES AND STRUTS ON SPATIAL CABLE-TRUSS STRUCTURE WITHOUT INNER RING CABLES. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.2.3.

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Spatial cable-truss structure without inner ring cables (SCSWIRC) belongs to tensile structure, which is composed of three kinds of cable, strut and stiff ring-beam, and its stiffness generates from the pre-stresses of cables. The manufacturing errors of the three kinds of components determine the final formed state and ultimate bearing capacity, so it is essential to study the influences of manufacturing errors of three kinds of components on the mechanical property of structure. The influences of manufacturing errors on SCSWIRC have been studied from four aspects that include elongation or s

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Soliciting opinions and solutions on the "Q Zhang's Problem". BDICE, 2023. http://dx.doi.org/10.58911/bdic.2023.03.001.

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"Q Zhang's problem" is a teaching problem proposed by Qian Zhang, a science teacher at Dongjiao Minxiang Primary School in Dongcheng District, Beijing. In 2022, she proposed that: (1) when explaining the knowledge points of frequency in the "Sound" unit, experiments on the vibration of objects such as rubber bands and steel rulers were used to assist students in learning, but the effect was not obvious, because it was difficult for the naked eye to distinguish the speed of vibration of objects such as rubber bands, and it was difficult to correspond to the high and low frequencies; (2) Student

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