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Relevant bibliographies by topics / Joint displacements

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Academic literature on the topic 'Joint displacements'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Joint displacements"

1

Ebraheim, Nabil A., Hua Yang, Jike Lu, and Ashok Biyani. "Computer Evaluation of Second Tarsometatarsal Joint Dislocation." Foot & Ankle International 17, no. 11 (1996): 685–89. http://dx.doi.org/10.1177/107110079601701107.

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Using computer-assisted techniques, this study analyzes the mean contact area of the articular surface of the second tarsometatarsal joint. The articular contact area decreased proportionate to the displacement in both males and females, but it was consistently greater in males than in females for all simulated displacements. The reduction in the contact area was the highest with dorsolateral displacement compared with the lateral and dorsal displacements. Dorsolateral displacement of the second metatarsal of 3 mm led to 38.6% reduction in the contact area, compared with 33.1% and 20.2% reduct

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Hara, A., and K. Sugimoto. "Synthesis of Parallel Micromanipulators." Journal of Mechanisms, Transmissions, and Automation in Design 111, no. 1 (1989): 34–39. http://dx.doi.org/10.1115/1.3258968.

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A synthesis method has been developed for the parallel micromanipulator used in a precise positioning. Elastic deformation at notches are used as joint displacements. Since the joint displacements are very small and the micromanipulator makes only a minute motion, the input/output relation can be put in the form of a Jacobian. Each row of the Jacobian designates six elements of a force and moment. By locating the passive joints in a connecting chain so that the virtual work done by the force/moment and the virtual displacement of the passive joints becomes zero, the mechanism that has the give

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Qiu, Shi Yin, Rui Bo Yuan, Guan You Wang, et al. "A Study of Calculation Method for Finger Joint Angular Displacement Based on the Finger Inverse Kinematics." Applied Mechanics and Materials 697 (November 2014): 327–33. http://dx.doi.org/10.4028/www.scientific.net/amm.697.327.

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A simple method for measuring and calculating the finger joint angular displacement was proposed to serve as the basis for designing dexterous hand and rehabilitation robot hand. The direct kinematics model and the inverse kinematics equation of the finger were established at the beginning of this paper. Then, the trajectory of the fingertip, from which the coordinates of the fingertip were extracted by using AutoCAD, was captured by camera. Finally, the trajectory coordinates of the fingertip were substituted into the inverse kinematics equations to solve the angular displacements of the prox

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Zhao, Hanwei, Youliang Ding, Satish Nagarajaiah, and Aiqun Li. "Longitudinal Displacement Behavior and Girder End Reliability of a Jointless Steel-Truss Arch Railway Bridge during Operation." Applied Sciences 9, no. 11 (2019): 2222. http://dx.doi.org/10.3390/app9112222.

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The long length and complex service load form conflicts with the low limits of longitudinal and transverse displacements of jointless bridge design. The longitudinal displacements of the Nanjing Dashengguan Yangtze River Bridge, a jointless steel-truss arch railway bridge, and its girder end reliability are investigated in this article. The time–frequency characteristics of the longitudinal displacements of bearings and expansion joints are analyzed using the empirical wavelet transform. The long-term characteristics of the longitudinal displacements of bearings and expansion joints in the ope

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Wang, Hao, Wen-Zhi Zheng, Jian Li, and Yu-Qi Gao. "Effects of temperature and lead core heating on response of seismically isolated bridges under near-fault excitations." Advances in Structural Engineering 22, no. 14 (2019): 2966–81. http://dx.doi.org/10.1177/1369433219855914.

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Seismic responses of bridges isolated by lead rubber bearings under near-fault excitations are presented in this article. A bilinear force-deformation model is employed to represent the hysteretic behaviors of lead rubber bearings. The joint effects of ambient temperature, initial displacement, and lead core heating on the responses of seismically isolated bridges are investigated. Nonlinear time history analyses are conducted with the employed hysteretic models of lead rubber bearings. Comparisons of the responses with and without the joint effects are performed, in terms of maximum isolator

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Clark, F. J., R. C. Burgess, J. W. Chapin, and W. T. Lipscomb. "Role of intramuscular receptors in the awareness of limb position." Journal of Neurophysiology 54, no. 6 (1985): 1529–40. http://dx.doi.org/10.1152/jn.1985.54.6.1529.

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We studied proprioception with the ankle joint and the metacarpophalangeal (MCP) joint of the index finger of humans by use of a method that could distinguish a position sense from a movement sense. The test measured how subjects' ability to detect a fixed displacement of a joint varied with the rate of joint rotation. A position sense should not depend on the speed of joint placement; therefore slow rates of movement should not degrade subjects' ability to sense joint displacements. However, in the absence of a position sense, subjects would presumably rely on movement signals that do depend

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Wojnar, A., K. Marszałek, O. Chernieva, and L. Śleczka. "INFLUENCE OF BOLTED SPLICE CONNECTIONS ON THE GLOBAL BEHAVIOUR OF STEEL LATTICE TELECOMMUNICATION TOWERS." Modern structures of metal and wood, no. 27 (July 2023): 41–51. http://dx.doi.org/10.31650/2707-3068-2023-27-41-51.

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The bolted joints in the leg and the bracing members of the lattice transmission towers are always subjected to predominant axial forces, which will cause joint slip that greatly affects the global be-haviour of the whole structure. The paper shows the results of the numerical modelling of the re-sponse of the steel lattice communication tower, with height h = 40.5 m located in Rzeszów. A comparison was made of five tower models, differing in the characteristics of the joint force-elongation relationship, including stiffness of the components and also joint slippage, coming from Category A joi

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Rastegar, J., L. Yuan, and J. Zhang. "Smart Actuator Positioning and Displacement Transmissibility in Serial and Parallel Robot Manipulators for Performance Enhancement." Journal of Mechanical Design 127, no. 4 (2004): 589–95. http://dx.doi.org/10.1115/1.1898340.

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A method is presented for the evaluation of the transmissibility of displacement from smart (active) actuators integrated in the structure of robot manipulators to the manipulator joint and end-effector displacements. The method is based on studying the characteristics of the Jacobian of the mapping function between the two displacements for a given position of the robot manipulator. The developed method provides a tool for the determination of the positioning of smart actuators to provide maximum effectiveness in eliminating high harmonics of the joint or the end-effector motion. In robots wi

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Chen, Lu Wang, Yuan Qin, Jiang Hong Chen, and Shi Lei Zhang. "Joint Controlling Effect on Stability of Surrounding Rock in Horseshoe-Shaped Underground Opening." Applied Mechanics and Materials 170-173 (May 2012): 1643–47. http://dx.doi.org/10.4028/www.scientific.net/amm.170-173.1643.

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This paper presents a numerical study on the mechanical behavior of the jointed rocks around the underground opening. By comparing different obliquities and the different locations of the joint, its controlling effect on stability of surrounding rock is evaluated in terms of the shear stress distribution, displacement distribution and the plastic zone pattern, which are induced by underground excavation. The results clearly indicate that, the maximum shear stress occurs mainly near the corner of the opening and the joint plane. When the joint inclination angle is less than 60º, the maximum ver

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Rapp, Piotr. "Numerical Non-Equilibrium and Smoothing of Solutions in The Difference Method for Plane 2-Dimensional Adhesive Joints / Nierównowaga Numeryczna i Wygładzanie Rozwiazań w Metodzie Różnicowej Dla Dwuwymiarowych Połączeń Klejowych." Civil And Environmental Engineering Reports 20, no. 1 (2016): 101–34. http://dx.doi.org/10.1515/ceer-2016-0010.

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Abstract The subject of the paper is related to problems with numerical errors in the finite difference method used to solve equations of the theory of elasticity describing 2- dimensional adhesive joints in the plane stress state. Adhesive joints are described in terms of displacements by four elliptic partial differential equations of the second order with static and kinematic boundary conditions. If adhesive joint is constrained as a statically determinate body and is loaded by a self-equilibrated loading, the finite difference solution is sensitive to kinematic boundary conditions. Displac

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Dissertations / Theses on the topic "Joint displacements"

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Tasaki, Mark M. "Magnetic resonnance imaging and arthrographic assessment of temporomandibular joint disk displacements." Umeå, Sweden : Department of Oral and Maxillofacial Radiology, School of Dentistry, University of Umeå, 1993. http://catalog.hathitrust.org/api/volumes/oclc/35846578.html.

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Albertyn, Heindrich Louw. "The effect of moment-rotation joint behaviour on the displacements of portal frames." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/18046.

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Thesis (MScEng)--Stellenbosch University, 2011.<br>ENGLISH ABSTRACT: Higher grade steels are being rolled in South Africa by suppliers and results in structural members having an increased axial and bending moment capacity due to an increased yield stress. Structural elements used in designs are stronger and therefore lighter sections with sufficient axial and bending moment capacity are used. Displacements of structural elements are calculated using the stiffness and Young’s modulus of a profile. These values are not affected by the increased yield stress in higher steel grades and theref

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Rolseth, Anton, and Anton Gustafsson. "Implementation of thermomechanical laser welding simulation : Predicting displacements of fusing A AISI304 T-JOINT." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-19946.

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Laser welding is an advanced joining technique with the capability to form deep, narrow, and precise welds. Numerical models are used to simulate the process in attempts of predicting distortions and stresses in the material. This is done to reduce physical testing, optimize processes and enable integrated product- and process development. The Virtual Manufacturing Process research group at University of Skövde wishes to increase their knowledge on modeling options of thermomechanical simulations to grant local industries these benefits. A numerical model for the laser welding process was deve

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Williams, C. O. (Celia Olivia). "An in-vitro study of the relative displacements in the human knee joint during walking gait /." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59852.

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This report presents the results of a study on the relative displacements occurring between the three bones of the knee joints during simulated walking gait. Six knee joint specimens were subjected to level walking using a newly developed dynamic gait simulator. After testing with the joints intact, the anterior and then the posterior cruciate ligaments in three of the specimens were transected and the simulation was repeated after each cut.<br>The angular and linear displacements of the tibia and patella were measured using two six degrees-of-freedom goniometers. The method of Euler angles wa

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Ballastreire, Maria Carolina Franco Ferreira. "Avaliação morfofuncional em pacientes adultos com perdas dentárias posteriores." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/23/23151/tde-04072013-163306/.

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Um grande número de pacientes adultos têm procurado tratamento ortodôntico, apresentando com certa frequência, diferentes tipos de perdas dentárias, associadas ou não a distúrbios temporomandibulares (DTMs). Objetivou-se neste estudo avaliar a repetibilidade dos deslocamentos das cabeças mandibulares entre relação cêntrica (RC) e máxima intercuspidação habitual (MIH); comparar os deslocamentos das cabeças mandibulares em três grupos, com diferentes padrões oclusais; avaliar a aplicabilidade de dois índices de distúrbios temporomandibulares (Helkimo e RDC-TMD) comparando-os nos referidos grupos

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Ferrero, Chiara. "Structural behaviour of masonry arches on moving supports : from on-site observation to experimental and numerical analysis." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/672366.

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Since ancient times, master builders have used arches to cover large spans in masonry structures. As a consequence, nowadays the safety assessment of these structural elements plays a fundamental role in the conservation of built cultural heritage. Due to their frequent occurrence, support displacements are one of the primary sources of damage for masonry arches. Among the potential causes of support displacements, slow-moving landslides have received very little attention from the scientific community. The present thesis is motivated by the observation of extensive and severe damage in the

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Anuar, Azmeel Mazlee bin. "Treatment of temporomandibular joint disc displacement without reduction a systematic review /." Thesis, Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43786121.

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Leen, Sean B. "Elastic-plastic generalised load-displacement prediction for tubular joints." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287266.

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Pickup, C. M. "Studies on the reflex responses to joint displacement and muscle vibration in man." Thesis, University of Oxford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376941.

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Corie, Thomas Henry. "Simulated Tremor Propagation in the Upper Limb: From Muscle Activity to Joint Displacement." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/6777.

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Although tremor is the most common movement disorder, there are few non-invasive treatment options. One of the obstacles to creating effective tremor suppression devices is our lack of understanding regarding where tremor originates (which muscles), how it propagates through the limb (to which degrees of freedom, DOF), and where it manifests most severely (which DOF). To investigate these questions, we created a simple, linear time-invariant model to simulate tremor, with tremorogenic muscle activity input (in the 15 major superficial muscles from the shoulder to the wrist) and joint displacem

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Books on the topic "Joint displacements"

1

O, Britt Vicki, and Langley Research Center, eds. Measurements of fuselage skin strains and displacements near a longitudinal lap joint in a pressurized aircraft. National Aeronautics and Space Administration, Langley Research Center, 1991.

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Wilkinson, John A. Congenital Displacement of the Hip Joint. Springer London, 1985. http://dx.doi.org/10.1007/978-1-4471-1369-0.

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Ramberger, Günter. Structural bearings and expansion joints for bridges. International Association for Bridge and Structural Engineering (IABSE), 2002. http://dx.doi.org/10.2749/sed006.

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<p>Bridge superstructures have to be designed to permit thermal and live load strains to occur without unintended restraints. Bridge bearings have to transfer forces from the superstructure to the substructure, allowing all movements in directions defined by the designer. The two functions -transfer the loads and allow movements only in the required directions for a long service time with little maintenance - are not so easy to fulfil. Different bearings for different purposes and requirements have been developed so, that the bridge designer can choose the most suitable bearing.</p&g

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Lundh, Håkan. Correction of temporomandibular joint disk displacement by occlusal therapy. [publisher not identified], 1987.

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1925-, Bard M., and Laredo Jean-Denis 1951-, eds. Interventional radiology in bone and joint. Springer-Verlag, 1988.

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National Aeronautics and Space Administration (NASA) Staff. Measurements of Fuselage Skin Strains and Displacements near a Longitudinal Lap Joint in a Pressurized Aircraft. Independently Published, 2018.

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Wilkinson, J. A. Congenital Displacement of the Hip Joint. Springer London, Limited, 2012.

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Wilkinson, J. A. Congenital Displacement of the Hip Joint. Springer London, Limited, 2011.

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Congenital displacement of the hip joint. Springer-Verlag, 1985.

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Congenital Displacement of the Hip Joint. Springer, 2011.

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Book chapters on the topic "Joint displacements"

1

Chen, Cheng, Weiguo Xie, Jochen Franke, Paul A. Grützner, Lutz-P. Nolte, and Guoyan Zheng. "Fully Automatic X-Ray Image Segmentation via Joint Estimation of Image Displacements." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2013. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40760-4_29.

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Zhao, Rong Guo, Wen Bo Luo, Zhong Fu Chen, Bin Xu, and Yi Hui Yin. "Effect of Dimensional Tolerance on Displacements and Stresses of Wedged-Ring Joint Structure." In Engineering Plasticity and Its Applications. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-433-2.1443.

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Balaji, Nidish Narayanaa, Tobias Dreher, Malte Krack, and Matthew R. W. Brake. "Hyper-Reduction Approaches for Contact Modeling with Small Tangential Displacements: Applications for a Bolted Joint." In Nonlinear Structures & Systems, Volume 1. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47626-7_43.

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Vyhovskyi, Heorhii, Mykola Plysak, Nataliia Balytska, Oleksandr Melnyk, and Larysa Hlembotska. "Engineering Methodology for Determining Elastic Displacements of the Joint «Spindle Assembly-Face Milling Cutter» While Machining Planes." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68014-5_26.

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Hoang, Khac Anh, and Tuong Quan Vo. "A Study on Controllers Design Based on Centroid Displacements for Depth Motion of a 3-Joint Carangiform Fish Robot." In AETA 2013: Recent Advances in Electrical Engineering and Related Sciences. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41968-3_54.

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Coutant, J. C., B. Ella Nguema, M. Mesnard, M. Cid, A. Rouas, and P. Caix. "Temporo Mandibular Joint Kinematic: The Specificity of the Rotatory Component Involved in Disc-Condyle Displacements along the Temporal Bone Surface." In IFMBE Proceedings. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23508-5_208.

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Zhang, Qiang, Bing-Nan Wang, Xiao-Chen Zhang, et al. "Experimental Study of the Load-Deformation Characteristics of Bolted Joints Under Transverse Alternating Loads." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7887-4_100.

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Abstract It is of great significance to study the energy dissipation characteristics of bolted joints under transverse alternating loads especially for analyzing the dynamic response of transmission tower structures and enhancing its safety and reliability. In this paper, a combination of finite element simulation and experiments is used. Firstly, the finite element model of bolted joint of transmission tower is established, and the load–displacement curve is obtained by applying transverse alternating load on the end face of angle steel. Afterwards, a fatigue test machine is used to apply cyc

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Ferrero, Chiara, Chiara Calderini, and Pere Roca. "Experimental and Numerical Analysis on the Effect of Joint Deformability and Imperfections on the Response of Masonry Arches Subject to Large Support Displacements." In RILEM Bookseries. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-39450-8_28.

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Wilkinson, John A. "Aetiology." In Congenital Displacement of the Hip Joint. Springer London, 1985. http://dx.doi.org/10.1007/978-1-4471-1369-0_1.

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Wilkinson, John A. "Experimental Research." In Congenital Displacement of the Hip Joint. Springer London, 1985. http://dx.doi.org/10.1007/978-1-4471-1369-0_2.

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Conference papers on the topic "Joint displacements"

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Gir, Alam, Muhammad Fahim, and Abdul Ghani. "Behavior of RC Beam-Column Joints Using High-Strength Concrete and Engineered Cementitious Composite." In 14th International Civil Engineering Conference. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-wxh4qe.

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In seismically active areas, the structural integrity of structures is significantly reliant on the efficacy of beam-to-column connections. This study investigates the potential of high-strength concrete (HSC) and engineered cementitious composites (ECC) as alternatives to conventional transverse reinforcements to alleviate joint congestion and enhance the performance of beam-column joints. Four full-scale models were tested, including progressive and cyclic load evaluations. Two models had HSC, HBCJ I (HSC in joint only), and HBCJ II (HSC in joint plus extended to members), and the other had

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Chan, D. D., and C. P. Neu. "Human Tibiofemoral Joint Displacements Determined by Displacement-Encoded MRI." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53498.

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Articular cartilage and surrounding soft tissues in the knee are important to normal joint function. Osteoarthritis (OA) is highly prevalent in the United States [1] and features precocious degeneration of articular cartilage. Effective OA treatments require the ability to detect early degeneration, including mechanical and biochemical changes. Magnetic resonance imaging has shown promise for the detection of early degenerative changes, including various quantitative MRI techniques [2]. Displacement-encoded MRI has the ability to detect changes in mechanical behavior, and such techniques have

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Książek, Krzysztof, and Sławomir Łapiński. "Sensitivity analysis of control networks in terms of minimal detectable displacements." In 5th Joint International Symposium on Deformation Monitoring. Editorial de la Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/jisdm2022.2022.13921.

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Sensitivity analysis is one aspect of the calculation process in displacement measurement. For this purpose, sensitivity measures are used in the form of minimal detectable displacements ( ), derived from the definition of minimal detectable bias ( ). Analyses were performed based on disturbing the parameter vector with the value (calculated from principal component analysis). Analyses were considered for displacements of the levelling network based on the global vector ( ). The calculations were conducted using the least squares adjustment with pseudo-random observations. The mean success rat

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Shults, Roman. "Structural analysis of monitoring results of long-span roof structures." In 5th Joint International Symposium on Deformation Monitoring. Editorial de la Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/jisdm2022.2022.13893.

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The concept of analysis of geodetic monitoring results solely from a geometric point of view is recognized as an obsolete approach. A complex analysis of geodetic measurements (geometric approach) and the structure stress-strain analysis (mechanical approach) allows obtaining the whole picture of any engineering structure displacements. The detailed scheme of the structural analysis of geospatial monitoring results of the long-span roof structures has been given in the presented paper. The results of the geospatial monitoring of the large warehouse have been chosen as a study subject. The stru

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Canga Ruiz, Alvaro E., Matthew V. Csenge, J. Riley Edwards, Yu Qian, and Marcus S. Dersch. "Quantification of Rail Displacements Under Light Rail Transit Field Loading Conditions." In 2017 Joint Rail Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/jrc2017-2277.

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While timber crossties are widely used in North America, the popularity of concrete crossties has increased significantly in recent years. Concrete crossties require the use of premium elastic fastening systems to have a proper and stable system. The primary role of fastening system is to attach the rail to its support preserving track geometry. For this reason, past research has focused on its development and behavior. Even though a large amount of research has been conducted on heavy-haul freight railroad systems, little work has been conducted to focus on rail transit systems. Therefore, a

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Rone, William S., and Pinhas Ben-Tzvi. "Static Modeling of a Multi-Segment Serpentine Robotic Tail." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46655.

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This paper presents a generalized method of determining the static shape conformation of a cable-driven serpentine robot. Given a set of desired cable displacements as model inputs, the model calculates the joint angles and cable tensions that result from those displacements. The model’s governing equations are derived from ensuring static equilibrium at each of the robot’s revolute joints, along with compatibility equations ensuring the joint angles result in the desired cable displacements. Elastic, actuation and gravitational loading are included in the model, and the results analyze the re

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Sutherland, George H. "Mechanism Analysis Using Implicit Constraints." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49020.

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This paper introduces an approach to kinematic and dynamic mechanisms analysis where one or more joints are modeled using joint component relative displacements that approximate real joint behavior. This approach allows for the simultaneous nonrecursive solution for both mechanism kinematic parameters and selected dynamic joint reaction forces. Also, for closed loop mechanisms, the approach eliminates the need for forming explicit loop closure constraint equations, so that the dynamic equations of motion, derived using either the Newtonian or Lagrangian method, have a simplified unconstrained

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Bouzid, Abdel-Hakim, Akli Nechache, and Warren Brown. "The Effect of Steady State Thermal Loading on the Deflections of a Flanged Joint With a Cover Plate." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1093.

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It is well recognized that bolted flange joints operating at high temperature are often very difficult to seal. The existing flange design methods including that of the ASME code do not address thermal effects other than the variation of flange and bolt material mechanical properties with temperature. It is possible to include the effects of temperature loading in the flexibility analysis of the joint. However, the temperature profile to be known to determine the radial and axial thermal expansion displacements of the joint elements to be used in the analysis. This paper outlines the theoretic

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Lawrence, Reece, Juan Baus, Carla Davis Cash, and James Yang. "Upper Body Kinematic Analysis in Piano Playing Tasks." In ASME 2024 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/detc2024-141457.

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Abstract The piano is one of the most popular instruments to learn among young musicians due to its versatility. As with any other physical activity, fluid piano performance requires practice to improve technique and reduce the injury risk in long playing sessions. One expert and one intermediate piano player performed three piano playing tasks at three different tempos while body kinematics data were collected with multiple inertial measurement units (IMUs). The maximum and minimum angular displacement of upper body joints and joint displacement were observed as a function of time. For all te

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Liu, Yiyan, Sinan Acikgoz, and Harvey Burd. "Terrestrial Laser Scanning based deformation monitoring for masonry buildings subjected to ground movements induced by underground construction." In 5th Joint International Symposium on Deformation Monitoring. Editorial de la Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/jisdm2022.2022.13872.

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Tunnelling and deep excavation activities cause ground movements. Monitoring the influence of these ground movements on nearby surface assets is a major component of urban underground construction projects. Such projects often require large-scale and comprehensive monitoring of nearby buildings to track displacements and identify structural damage. Masonry assets are particularly vulnerable to ground movements due to the low tensile strength of the material; these structures may experience unsightly cracking and structural stability issues. Current monitoring practice for these buildings is la

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Reports on the topic "Joint displacements"

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Krivoi, Kallmeyer, and Baranyak. L52199 Nopig Metal-Loss Detection System for Non-Piggable-Pipelines. Pipeline Research Council International, Inc. (PRCI), 2005. http://dx.doi.org/10.55274/r0011343.

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This project investigated and upgraded the digital filtering used to interpret NoPig displacement data. This upgrade should allow the system to be used on long seam welded pipes. Limited laboratory testing was performed to show the improvement on ERW pipe. The NoPig method is a non-destructive testing method for unpiggable pipelines which uses above ground measurements for detecting and sizing wall thickness anomalies like corrosion. The method uses an applied current containing several distinct frequencies between two points on a pipeline up to 1 km apart. The resultant magnetic field is meas

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GUO, Hui, Suoting HU, Xiaoguang LIU, and Pengfei SU. DISPLACEMENT AT GIRDER END OF LONG-SPAN RAILWAY STEEL BRIDGES AND PERFORMANCE REQUIREMENTS FOR BRIDGE EXPANSION JOINT. The Hong Kong Institute of Steel Construction, 2018. http://dx.doi.org/10.18057/icass2018.p.035.

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AN EXPERIMENTAL STUDY ON SEISMIC PERFORMANCE OF STEEL COMPOSITE BEAM-COLUMN RIGID JOINT AND BUCKLING RESTRAINED KNEE-BRACED JOINT. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.4.6.

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This paper evaluates the seismic performance of conventional steel composite beam-column rigid joints, and a novel buckling restrained knee-braced joint (BRKBJ), considering the impact of the floor slab. A series of quasi-static comparative tests were conducted to analyze the failure mode, load-bearing capacity, hysteresis performance, and ductility of both types of joints. Our findings revealed that the hysteretic curve of the BRKBJ exhibits a robust and shuttle-like shape, suggesting an adequate energy dissipation performance. However, its yield displacement is relatively small. Conversely,

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EXPERIMENTAL STUDY ON CYCLIC BEHAVIOR OF BLIND-BOLT JOINT CONNECTING STEEL BEAM AND RECTANGULAR TUBE COLUMN. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.2.1.

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An experimental investigation on the cyclic behavior of the joints for steel H-shaped beams to steel rectangular tube columns using end-plate and blind bolts is conducted in this paper. The load-bearing capacity, rotation stiffness and hysteretic behavior of the joints are studied. In terms of the types of beams (pure steel beam and composite steel beam with concrete slab) and columns (pure steel rectangular tube column and concrete-filled steel rectangular tube column), a total of four different joints are tested and compared. It is found that filling concrete in rectangular tube columns can

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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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Impacts of displacement: Displacement linked to sea level rise on Plantain Island, Sierra Leone. Internal Displacement Monitoring Center (IDMC), 2024. http://dx.doi.org/10.55363/idmc.ucxv2874.

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Plantain Island, which hosts a fishing community of around 5,800 people, has been losing homes and land to the sea for several decades. Many of those who lost their homes left the island, seeking refuge in other communities in the mainland. Those who were unable to leave the island were forced to move further inland on the island itself. Sierra Leone’s National Disaster Management Agency (NDMA) and the Internal Displacement Monitoring Centre (IDMC) conducted joint research on this displacement situation in June 2024. This report presents key findings, potential solutions and ways forward.

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SEISMIC FRAGILITY ANALYSIS OF STEEL FRAMES WITH FULLY-BOLTED CORE TUBE JOINTS. The Hong Kong Institute of Steel Construction, 2024. http://dx.doi.org/10.18057/ijasc.2024.20.3.1.

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In this paper, the joint parameters derived from testing the new fully-bolted core tube beam-column joint were utilized in the finite element analysis of the complete frame structure. The static elastic-plastic time-history analysis of 8, 12, 16, and 20-story steel frames with the braces was carried out. By comparing the maximum inter-layer displacement angles in the X and Y directions when the frame yielded, the rationality of the brace arrangement and the applicability of the new fully-bolted core tube beam-column joints in the multi-story and high-rise steel frames were confirmed. After div

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EXPERIMENTAL STUDIES OF THE SORBITE STAINLESS STEEL PLUG-PIN SCAFFOLD JOINT. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/ijasc.2022.18.4.9.

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Systematic experimental studies were performed for the purpose of obtaining the material properties of cold-formed sorbite stainless steel and the mechanical parameters of plug-pin joint. As a new type of material, the scaffold made of sorbite stainless steel has the advantages of convenient construction, high strength and stainless steel. The static tensile tests for S500 sorbite stainless steel investigating the material characteristics of plug-pin joint were carried out. The bending moment, the compressive force, the tensile force and the shear force were applied to the joint respectively.

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A SIMPLE METHOD FOR A RELIABLE MODELLING OF THE NONLINEAR BEHAVIOUR OF BOLTED CONNECTIONS IN STEEL LATTICE TOWERS. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/ijasc.2022.18.1.6.

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The behaviour of bolted connections in steel lattice transmission line towers affects their load-bearing capacity and failure mode. Bolted connections are commonly modelled as pinned or fixed joints, but their behaviour lies between these two extremes and evolves in a nonlinear manner. Accordingly, an accurate finite element modelling of the structural response of complete steel lattice towers requires the consideration of various nonlinear phenomena involved in bolted connexions, such as bolt slippage. In this study, a practical method is proposed for the modelling of the nonlinear response o

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L51580 Safety Factors in the Assessment of Realistic Defects in Pipeline Welds. Pipeline Research Council International, Inc. (PRCI), 1998. http://dx.doi.org/10.55274/r0010330.

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The British Standards Institute document PD6493:1980 uses the crack tip opening displacement (CTOD) design curve as a method for determining defect acceptance levels in welded joints. The document is under revision and current proposals for the fracture section of the revised document employ three levels of assessment procedures, arranged as a progression from simple stress treatments producing conservative results, to critical analyses which incorporate more rigorous stress analyses and contain no inherent factors of safety. The proposed Level 1 assessment procedure is generally consistent wi

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