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Relevant bibliographies by topics / Wrapping curve

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Dissertations / Theses
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Academic literature on the topic 'Wrapping curve'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Wrapping curve"

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Huo, Hong Yuan, Chen Jie Cao, Li Sun, Li Sha Song, and Tong Xing. "Experimental Study on Full Stress-Strain Curve of SFRC in Axial Tension." Applied Mechanics and Materials 238 (November 2012): 41–45. http://dx.doi.org/10.4028/www.scientific.net/amm.238.41.

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The tests were carried out to study the effects of the fraction of steel fiber by volume and the thickness of cement paste wrapping steel fibers on the axial tensile properties of steel fiber reinforced concrete (SFRC). The strength grade of SFRC was CF40 with the fraction of steel fiber by volume varying from 0.5% to 2.0%, and the thickness of cement paste wrapping steel fibers varying from 0.8mm to 1.2mm. The tests were conducted by WAW-600 electric-hydraulic servo-type test machine. The results show that the axial tensile properties such as the axial tensile strength, the fullness of stress

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Liu, Jian, Shiqing Xin, Xifeng Gao, et al. "Computational Object-Wrapping Rope Nets." ACM Transactions on Graphics 41, no. 1 (2022): 1–16. http://dx.doi.org/10.1145/3476829.

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Wrapping objects using ropes is a common practice in our daily life. However, it is difficult to design and tie ropes on a 3D object with complex topology and geometry features while ensuring wrapping security and easy operation. In this article, we propose to compute a rope net that can tightly wrap around various 3D shapes. Our computed rope net not only immobilizes the object but also maintains the load balance during lifting. Based on the key observation that if every knot of the net has four adjacent curve edges, then only a single rope is needed to construct the entire net. We reformulat

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Wang, Yinao. "The grey interval prediction method and its prediction accuracy." Grey Systems: Theory and Application 4, no. 2 (2014): 339–46. http://dx.doi.org/10.1108/gs-05-2014-0013.

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Purpose – The purpose of this paper is to discuss the interval forecasting, prediction interval and its reliability. When the predicted interval and its reliability are construction, the general rule which must satisfy is studied, grey wrapping band forecasting method is perfect. Design/methodology/approach – A forecasting method puts forward a process of prediction interval. It also elaborates on the meaning of interval (the probability of the prediction interval including the real value of predicted variable). The general rule is abstracted and summarized by many forecasting cases. The gener

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Obaidat, Yasmeen Taleb. "Evaluation for RC Column Confined Partially with Externally FRP Wrapping Sheet Using Nonlinear FE Analysis." Materials Science Forum 972 (October 2019): 129–33. http://dx.doi.org/10.4028/www.scientific.net/msf.972.129.

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Little research has been carried out in validating, fiber reinforced polymer (FRP) concrete strengthened column and the effective using partial wrapping. Also the effect of several parameter on strengthen column using the partial wrapping sheet of desired width and thickness around column have not been found out. To this end, a nonlinear 3D finite element model has been developed in current study for CFRP strengthened reinforced concrete column to simulate the behavior accompanied by the effect of partial wrapping with emphasis on load capacity and failure mode. The finite element simulation o

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Abd Ghani, Kay Dora, Nor Hayati Hamid, and Muhd Salmizi Jaafar. "Load versus Displacement Validation between Ruaumoko Hysteresis Program and Experimental Work on CFRP Retrofitted Precast Beam-Column Exterior Joint." Key Engineering Materials 594-595 (December 2013): 390–94. http://dx.doi.org/10.4028/www.scientific.net/kem.594-595.390.

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This paper presented the load versus displacement curve for experimental work and validated with modeling results. A full-scale specimen which representing retrofitted precast RC beam-column exterior joint with corbels was tested in the laboratory under reversible lateral cyclic loading until ±1.75% interstorey drift. The specimen was rehabilitated by using Carbon Fiber Reinforced Polymer (CFRP) wrapping method. Modeling work was carried out using Ruaumoko Hysteres Program. A curve representing load versus displacement for beam-column exterior joint is generated using Pampanin Reinforced Concr

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Li, Jian Hui, Ying Li, and Zong Cai Deng. "Envelope Response of Corroded RC Circular Columns Strengthened with Hybrid Fiber Reinforced Polymers." Advanced Materials Research 255-260 (May 2011): 3124–28. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.3124.

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Corroded RC columns do not possess necessary ductility to dissipate seismic energy during a major earthquake, the study investigates the use of hybrid fiber reinforced polymer (FRP) wrapping as a method of retrofitting non-ductile corroded RC columns, and a model to determine the envelope response of RC corroded columns strengthened with hybrid FRP are presented based on cross-section analysis for undamaged RC element. The results show that the technique of strengthening corroded RC column with hybrid FRP is quite effective, the envelope curve estimated using the linear plane assumption with m

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Lu, Jiancheng, Yujun Qi, Yifei Li, and Xuxu Wang. "Axial Compressive Performance of a Composite Concrete-Filled GFRP Tube Square Column." Applied Sciences 11, no. 15 (2021): 6757. http://dx.doi.org/10.3390/app11156757.

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A composite concrete-filled glass fiber reinforced polymer (GFRP) tube square column is a new type of composite column, where GFRP is externally wrapped over several GFRP square tubes to form a multicavity GFRP tube, and then concrete is poured inside. External GFRP wrapping methods can be divided into two types: entirely wrapped and strip-type wrapped methods. The former is superior to the latter in terms of performance under stress. However, difficulties are introduced in the construction process of the former, and substantial materials are required to wrap the entire structure. To examine t

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Kwahk, Imjong, Kwang-Yeun Park, Ji-Young Choi, Hungjoo Kwon, and Changbin Joh. "Non-Destructive Evaluation for Sectional Loss of External Tendon of Prestressed Concrete Structures Using Total Flux Leakage." Applied Sciences 10, no. 21 (2020): 7398. http://dx.doi.org/10.3390/app10217398.

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A non-destructive evaluation method is proposed to identify the sectional loss of the external tendon of prestressed concrete structures by detecting the change of the magnetic flux in the external tendon exposed to a magnetic field. The method uses a solenoid-shaped device with two coils: a primary coil for producing magnetic field and secondary coil for damage detection, wrapping the external tendon. A current applied to the primary coil in the device causes the magnetic field. Then, the change in the magnetic flux by the damage in the external tendon is detected by the variation of the volt

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Ramaswamy, Anandakumar, Selvamony Chachithanantham, and Seeni Arumugam. "Performance of BFRP Retrofitted RCC Piles Subjected to Axial Loads." Advances in Materials Science and Engineering 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/323909.

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This paper deals with the behaviour of basalt fibre reinforced polymer (BFRP) composites retrofitted RCC piles subjected to axial compression loads. Currently the awareness of using FRP increases rapidly in engineering fields and also among public. Retrofitting becomes vital for aged and damaged concrete structures, piles, and so forth, to improve its load carrying capacity and to extend the service life. The load carrying capacity of piles retrofitted with basalt unidirectional fabric was studied experimentally. 15 nos. of RCC end bearing pile elements were cast with same reinforcement for ax

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Ortega Moreno, L., A. Sanz-Garcia, M. J. Fernández de la Fuente, et al. "P113 Serum adipokines as non-invasive biomarker in Crohn’s disease." Journal of Crohn's and Colitis 14, Supplement_1 (2020): S192. http://dx.doi.org/10.1093/ecco-jcc/jjz203.242.

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Abstract Background Adipose tissue wrapping the gastrointestinal tract is a risk factor for disease activity in Crohn’s disease (CD). Indeed, adipokines associated to lipid metabolism can modulate local immune responses. However, few studies have investigated the possible association between adipokines and CD. Here, we aimed to evaluate the role of serum adipokines as possible biomarkers in CD. Methods Serum samples were obtained from 18 patients with endoscopically active CD (aCD), 22 patients with endoscopically quiescent CD (qCD) and 36 non-inflamed healthy controls (HC). Serum leptin, ghre

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Dissertations / Theses on the topic "Wrapping curve"

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Čepil, Jiří. "Optimalizace návrhových prvků pozemních komunikací pomocí vlečných křivek vozidel." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-408021.

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The dissertation deals with application of simulated swept paths of vehicles to road designs. Using software which generates simulated swept paths makes new demands on the designer, but Czech regulations do not stipulate the appropriate method of applying swept paths. The theoretical part of the dissertation analyses the theory of how a vehicle moves when passing through a horizontal road curve and a method of calculating a necessary extent of widening the road. The practical part compares swept paths generated by various software programs and differences between them. In order to verify the s

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Book chapters on the topic "Wrapping curve"

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"WRAPPING IT UP." In The Mummy's Curse. Routledge, 2006. http://dx.doi.org/10.4324/9780203462867-13.

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Conference papers on the topic "Wrapping curve"

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Chatzopoulou, Giannoula, Ioannis Skarakis, Spyros A. Karamanos, Nicholas G. Tsouvalis, and Aglaia E. Pournara. "Numerical Simulation of CFRP Reinforced Steel Pipe Elbows Subjected to Cyclic Loading." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63853.

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Strengthening of pipelines and piping systems under extreme loading conditions increases their operation safety level towards safeguarding their structural integrity. Motivated by the structural integrity of pipelines and piping systems, the present study aims at investigating the effect of Carbon Fiber Reinforced Plastic (CFRP) wrapping on the mechanical response of cyclically-loaded steel pipe elbows. Based on experimental testing results, a finite element model is developed, which simulates reinforced and non-reinforced pipe elbows specimens subjected to low-cyclic fatigue. For the descript

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Gandham, Naresh Kumar, and Hong Zhou. "Synthesis of Concave Helical Compression Springs." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50800.

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Helical compression springs are used to resist compressive forces or store energy in push mode. They are found in many applications that include automotive, aerospace and medical devices. The common configuration of helical compression springs is straight cylindrical shape that has constant coil diameter, constant pitch and constant spring rate. Unlike cylindrical helical compression springs, concave helical compression springs have a larger diameter at each end and a smaller diameter in the middle of the spring. The variable coil diameter enables them to produce desired load deflection charac

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Mitra, Aniruddha, Sirajus Salekeen, and Mosfequr Rahman. "Fabrication of Polyurethane Based Fabric Composite Shaft and its Experimental Study Under Triple Point Bending." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88531.

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Semi-rigid urethane based fiber composite shafts are fabricated by high pressure injection molding process. The samples are made in Georgia Southern University’s laboratory where compressed air pressure is effectively used for this purpose. A special manufacturing process is suggested which can be used for mass production of these composites. This unique manufacturing technique creates a composite shaft with a core made of matrix material which is completely wrapped around by a woven fiber cloth with a very strong bonding between core and fibers. Three different types of woven fibers: fiber gl

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Oancea, Nicolae, and Victor G. Oancea. "A New Method for Modeling of Cutting Tools Associated With Rolling Axodes." In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/dfm-5714.

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Abstract Most of the existing methods for determining the profiles of cutting tools that work by wrapping are based on the envelope theory which requires cumbersome analytical formulations associated with the solution of equations not always easy to resolve. This work presents a new alternative method for studying conjugated surfaces associated with rolling axodes. The original meshing surfaces are replaced by a family of curves of substitution which gives a simpler interpretation of the envelope theory. The meshing line and the contact points can be easily determined. An equidistant to the to

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Mensah, Patrick F., Omer Soysal, Guoqiang Li, Amitava Jana, and Michael A. Stubblefield. "Transient Two-Dimensional Numerical Modeling of Asymmetric Curing Process." In ASME 2002 Engineering Technology Conference on Energy. ASMEDC, 2002. http://dx.doi.org/10.1115/etce2002/cmda-29073.

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Modeling of a heat-activated coupling process of fiberglass reinforced epoxy composite pipe with a copper nickel 90/10 (Cu 90% Ni 10%) alloy pipe was investigated in this study. A nonlinear-coupled two-dimensional heat diffusion model was used to capture the essentials of in-situ thermal transport during the curing process through the thickness of the prepreg wrapping layers. The resulting nonlinear boundary value problem was solved using an Alternating Direction Implicit (ADI) finite difference model (FDM). Transient temperature distributions and degree of cure were predicted for the prepreg

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Xu, Huazhao, Jianhua Wang, and Ting Wang. "Numerical Investigations of Wake and Shock Wave Effects on Film Cooling Performance in a Transonic Turbine Stage: Part 2 — Unsteadiness Effect in a 2D Rotating Passage." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-94545.

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Using the validated CFD model and realizable k-ε turbulence model from Part 1, the unsteadiness effects of shock waves and wake flow on the pressure coefficient and film cooling performance in a 2-D, rotating passage is studied in Part 2. Both time-dependent and time-averaged cooling effectiveness distributions on the rotor under the influence of shock waves and unsteady wake flows are presented with blowing ratios of 0.5, 1.0, and 1.5. The results show that (a) the unsteady wake passing caused by the blade rotation significantly influences the time-dependent pressure coefficients, especially

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Badaru, Akintunde, Brenton Greska, and Anjaneyulu Krothapalli. "Flow-Field Study in a Microjet PEM Fuel Cell." In ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2010. http://dx.doi.org/10.1115/fuelcell2010-33186.

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Microjets have been implemented into a PEM fuel cell in an attempt to achieve even distribution of reactants and passive cooling of the fuel cell unit and a preliminary investigation of this application has yielded positive results. Unlike conventional reactant supply, the reactant microjets impinge on the back side of the flow field plate before wrapping around and traversing the flow field channels where they are involved in electrochemical activity. However, it was observed that the fuel cell was subject to significant flooding, which limited its continuous operation. This paper discusses t

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Ghosh, S. K., S. K. Mukherjea, and B. N. Datta. "Numerical Study of the Flow in the Wake of an Impulsively Started Rotating and Translating Circular Cylinder." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-37355.

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In the present work, a detailed investigation in the wake region of the flow for the case of a two dimensional, laminar, incompressible flow past a rotating and translating circular cylinder has been carried out by applying a second order time accurate finite difference method using primitive variable formulation for different values of α ranging between 0 and 8 for Re = 200, where α is a nondimensional peripheral velocity of the cylinder. It has been observed that lift coefficient increases monotonically with α. But the effect of rotational speed on the steadiness of the flow is found signifi

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Walsh, William, Sandeep Abotula, and Bharath Konda. "Ring Expansion Testing Innovations: Hydraulic Clamping and Strain Measurement Methods." In 2020 13th International Pipeline Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipc2020-9407.

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Abstract Ring expansion testing is one of the three accepted methods in API 5L for the measurement of yield strength for line pipe. The other two are flattened-strap tensile testing and round-bar tensile testing. A novel-concept ring expansion test machine has recently been commissioned which uses hydraulic pressure to clamp the top and bottom pressure-reacting plates rather than a traditional bolting arrangement. The benefit of hydraulic clamping is vastly reduced set-up times. This paper describes the design approach and the pitfalls that were overcome in commissioning the ring expansion tes

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