Academic literature on the topic 'Corrugated sheets'

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Journal articles on the topic "Corrugated sheets"

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Subramanian, Kumar, and Günter Wozny. "Analysis of Hydrodynamics of Fluid Flow on Corrugated Sheets of Packing." International Journal of Chemical Engineering 2012 (2012): 1–13. http://dx.doi.org/10.1155/2012/838965.

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Modelling of the hydrodynamics behaviour of the liquid on the corrugated sheets of packing is studied using three-dimensional, volume-of-fluid (VOF) model that is incorporated in Ansys Fluent 12.0. The flow of three different liquids with different physical properties is modelled. A domain of corrugated sheets of packing resembling the real structured packing with little modifications in the elementary geometry is constructed using ICEM CFD 12.0. The quantitative comparisons of the wetting behavior from the simulations are in good agreement with experiments. Further, the study has been extended to understand the influence of the second corrugated sheet on the flow behavior. The contours from the simulations indicate the liquid hold-up in the crimp of two corrugated sheets, and these results are in good agreement with the earlier experimental studies performed using X-ray tomography in the literature. The result from the simulation shows that even for the high flow rate of around 811 mL/min for silicon-oil (DC5), only 60% of the corrugated sheet has been wetted. Hence, the efficiency of the existing packing can be further increased by increasing the wetted area in the corrugated sheet of packing.
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Biegus, A., and D. Czepizak. "Evaluation of Resistance of Corrugated Sheets under Bending by a Concentrated Loads from the Local Suspensions / Ocena Nosnosci Granicznej Blach Fałdowych Zginanych Siła Skupiona Od Lokalnych Podwieszen." Archives of Civil Engineering 56, no. 4 (December 1, 2010): 283–97. http://dx.doi.org/10.2478/v.10169-010-0016-7.

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Abstract Th This paper presents a simple method of evaluating the load resistance and stiffness of corrugated sheets locally loaded with suspended technical fixtures. As a part of this research, parametric numerical analyses of corrugated sheets of different span, and with differently located concentrated forces, were carried out. Stress distributions in the individual folds in the elastic range and in the ultimate limit state were identified. On their basis, equivalent concentrated load factors for the individual folds in the sheet were determined. The load factors enable analyses of the load resistance and stiffness of corrugated sheets loaded with concentrated forces, which can be helpful in design practice
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Okafor, Vincent Chinedum, Peter E. Ogunoh, and Ogochukwu C. Okechukwu. "Finite Element Analysis of Fiber Cement Corrugated Roofing Sheet under Bending." European Journal of Engineering Research and Science 5, no. 8 (August 31, 2020): 955–57. http://dx.doi.org/10.24018/ejers.2020.5.8.794.

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The study presents a numerical model for evaluation of the stresses in corrugated sheets under bending. The numerical analysis was performed from a three dimensional finite element model. From the analysis, the most intense tensional stress occurs in the trough and bottom surface of the corrugated sheet. While the most intense value of compressive stress occur in the crest and top surface of the sheet. Based on the principal stress contour diagram, the researcher also observed that the maximum uniformly distributed load carrying capacity of the fiber-cement corrugated sheet under bending, considering the linear material properties is 710N.
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Norman, A. D., K. A. Seffen, and S. D. Guest. "Multistable corrugated shells." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 464, no. 2095 (March 10, 2008): 1653–72. http://dx.doi.org/10.1098/rspa.2007.0216.

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We have been constructing and investigating multistable corrugated shell structures. The multistability arises from the interaction between internal prestresses created during forming and nonlinear geometrical changes during deformation. Using a simplified analytical elastic model, we homogenize the properties of the shells through simultaneously considering the material on two scales: the ‘local’ scale of the isotropic material; and the ‘global’ scale of the corrugated sheet, which is then modelled as an equivalent flat sheet with anisotropic properties. This model is applied to simulate two modes of bistability observed in prototypes: first, prestressed corrugated shells that, when buckled, can coil up into a tube repeatably and reversibly; and second, corrugated sheets with a symmetry-breaking ‘twisting’ curvature. The model gives an intuitive understanding of the behaviour, and has enabled us to understand forming processes that give the behaviour we wish, including tristable shells that combine both bistable modes.
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Zurnaci, E., H. Gokkaya, M. Nalbant, and G. Sur. "Three-Point Bending Response of Corrugated Core Metallic Sandwich Panels Having Different Core Configurations – An Experimental Study." Engineering, Technology & Applied Science Research 9, no. 2 (April 10, 2019): 3981–84. http://dx.doi.org/10.48084/etasr.2671.

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Bending response of corrugated core metallic sandwich panels was studied experimentally under three-point bending loading. Two different core configurations were used: the corrugated monolithic core and the corrugated sliced core. The trapezoidal corrugated cores were manufactured from aluminum sheets via a sheet metal bending mould. After the sandwich panel samples were prepared, they were subjected to three-point bending tests. The load and displacement responses of the sandwich panels having different core configurations were obtained from the experimental testing. The influence of the core configuration on the three-point bending response and failure modes was then investigated. The experimental results revealed that the corrugated sliced core configuration exhibited an improved bending performance compared to the corrugated monolithic core configuration.
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Wennberg, David, Per Wennhage, and Sebastian Stichel. "Orthotropic Models of Corrugated Sheets in Finite Element Analysis." ISRN Mechanical Engineering 2011 (April 20, 2011): 1–9. http://dx.doi.org/10.5402/2011/979532.

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To reduce computational effort of finite element (FE) calculations a corrugated sheet is replaced with an orthotropic plate. Analytical expressions for the mechanical properties are studied and compared to finite Element calculations in extension, free vibration, and buckling. Good similarity is shown in the stiffened and transverse direction of the corrugated sheet; however, the orthotropic models do not give an accurate twisting behavior. The stiffened direction of the corrugated sheet best matches the analytical expressions. Keeping in mind the presented limitation, the orthotropic model presented herein can be used to drastically reduce the number of elements needed when modelling corrugated sheet with finite elements.
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Xu, G., S. Magnani, G. Mesturini, and D. J. Hannant. "Hybrid polypropylene—glass/cement corrugated sheets." Composites Part A: Applied Science and Manufacturing 27, no. 6 (January 1996): 459–66. http://dx.doi.org/10.1016/1359-835x(95)00078-g.

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Briassoulis, Demetres. "Equivalent orthotropic properties of corrugated sheets." Computers & Structures 23, no. 2 (January 1986): 129–38. http://dx.doi.org/10.1016/0045-7949(86)90207-5.

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Setyanto, Djoko. "Design and FE Modeling of UPVC Corrugated Hollow Roofing Sheet." MATEC Web of Conferences 258 (2019): 01017. http://dx.doi.org/10.1051/matecconf/201925801017.

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The corrugated roofing sheet of UPVC polymer material is the potential material to replace common roof materials that has been developed in Indonesia. This study describes the design of the roof profile and analysis of the roof structure to static load. The resulting roof profile is a hollow corrugated roofing sheet with five crests and four valleys. The effective width is 860 mm, 10 mm cavity thick, and 45 mm peak height. The finite element model of the hollow UPVC corrugated sheets roof structure shows that the roof structure is capable of withstanding the static load/ mass of 133 kg equivalent of two applicators and capable of withstanding the wind lift force equivalent to 99 km/ h.
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Biegus, Antoni. "Corrugated sheet as a bracing of flat truss chords at their out-plane buckling." Budownictwo i Architektura 13, no. 3 (September 11, 2014): 209–18. http://dx.doi.org/10.35784/bud-arch.1822.

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Corrugated sheet properly connected with the upper chord of the flat truss can be taken into account in the assessment of the out-plane stability of the upper and bottom chord as well. The term of lateral bracing by the corrugated roof sheeting in purlinless truss chords was discussed. The calculation models for assessment of the lateral supporting of the bottom truss chords a as the flexible restraint in the roof corrugated sheets were given. The procedures of the assessment of resistance due to out-plane buckling of the bottom truss chord braced by roof sheeting were presented.
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Dissertations / Theses on the topic "Corrugated sheets"

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Solana, Maria Begoña. "Evolving building system for expandable housing by means of corrugated metal sheets." Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/78947.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1986.
MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH.
Includes bibliographical references (leaves 79-82).
Large housing programs in developing countries built out of permanent materials are likely to be too costly for low-income people. Such housing would have to be subsidized or allocated to middle-income groups. For this reason, some governments provide sites and services that allow low-income families to live in temporary units. This intervention has enabled low-income families to live on regulated demarcated and serviced land if not in permanent dwelling units. While doing so, they are able to build incrementally more permanent dwellings according with their life-cycle and their changing financial resources. This type of strategy supports the concept that housing is not a finished and static product but a continuous process over time. In order to adapt the initial temporary dwellings built by the low-income groups, and help with their transition to permanent buildings, this thesis proposed a building system which adapts to the dynamic and progressive building processes of these groups. The initial shelter is built out of corrugated metal sheets and steel members made out of thin metal sheets. The building system proceeds in stages from a simple temporary shelter -expanding and evolving- to a permanent dwelling. This transition is achieved by gradually strengthening the structure and transforming the surfaces of the dwelling with different levels of finishings.
by Maria Begoña Solana.
M.S.
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Lan, Xing. "Seismic Performance Evaluation of Novel Cold-Formed Steel Framed Shear Walls Sheathed with Corrugated Steel Sheets." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1011859/.

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This thesis presents experiments and numerical analysis of a novel cold-formed steel framed shear wall sheathed with corrugated steel sheets. The objective of this newly designed shear wall is to meet the growing demand of mid-rise buildings and the combustibility requirement in the International Building Code. The strength of the novel shear wall is higher than currently code certified shear wall in AISI S400-15 so that it could be more favorable for mid-rise building in areas that are prone to earthquakes and hurricanes. Full-scale monotonic and cyclic tests were conducted on bearing walls and shear walls under combined lateral and gravity loads. Though the gravity loads had negative effects on the strength and stiffness of the shear wall due to the buckling of the chord framing members, it still shows promise to be used in mid-rise buildings. The objective of numerical analysis is to quantify the seismic performance factors of the newly design shear wall lateral-force resisting system by using the recommended methodology in FEMA P695. Two groups of building archetypes, story varied from two to five, were simulated in OpenSees program. Nonlinear static and dynamic analysis were performed in both horizontal directions of each building archetype. Finally, the results of the performance evaluation verified the seismic performance factors(R=Cd=6.5 and Ω =3.0) were appropriate for the novel shear wall system.
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Derrick, Nathan Lynn. "Shear and Bending Strength of Cold-Formed Steel Solid Wall Panels Using Corrugated Steel Sheets for Mobile Shelters." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc1062814/.

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The objective of this thesis is to determine if the single sided resistance spot weld (RSW) can be used as a feasible connection method for cold formed steel (CFS) shear walls subject to lateral force of either seismic or wind loads on mobile shelters. The research consisted of three phases which include: a design as a 3D BIM model, connection tests of the resistance spot weld, and full-scale testing of the designed solid wall panels. The shear wall testing was conducted on specimens with both resistance spot weld and self-drilling screws and the results from tests gave a direct comparison of these connections when the solid wall panel was subjected to in-plane shear forces. The full-scale tests also included 4-point bending tests which was designed to investigate the wall panel's resistance to the lateral loads applied perpendicularly to the surface. The research discovered that the singled sided resistance spot weld achieved similar performance as the self-drilling screws in the applications of CFS wall panels for mobile shelters. The proposed single sided resistance spot weld has advantages of low cost, no added weight, fast fabrication, and it is a feasible connection method for CFS wall panels.
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Souza, Rui Barbosa de. "Estudo da retração em fibrocimento reforçado com fibra polimérica." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/3/3146/tde-22102014-095743/.

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O objetivo do trabalho é analisar e compreender os efeitos das características do fibrocimento reforçado com fibras sintéticas na retração por secagem deste compósito. A importância social do fibrocimento como material de construção, justifica a realização do presente trabalho, de modo a expor como acontece a retração por secagem neste compósito, e desta forma auxiliar o meio técnico na mitigação das manifestações patológicas relacionadas à retração e contribuindo para a redução do importante problema da indústria produtora de fibrocimento, que é a fissuração de borda nas telhas onduladas. Para tal buscou-se demostrar o efeito da porosidade e distribuição de tamanho de poros na retração por secagem. Além disso, foram realizados experimentos onde se variou o tipo de cimento utilizado, as quantidades de todas as matérias-primas envolvidas, além da aplicação de tratamentos modificadores da movimentação higroscópica, manipulando diretamente a tensão capilar causadora da retração. Concluiu-se que a porosidade elevada do fibrocimento faz com que a retração por secagem deste compósito seja fortemente influenciada pela porosidade total do mesmo, com correlação direta com a quantidade de mesoporos. Além disso, no estudo de caso realizado concluiu-se que a redução da retração devido à redução da tensão superficial da água do poro, se refletiu em menor fissuração de borda nas telhas onduladas.
The objective is to analyze and comprehend the effects of properties of cement based composite reinforced with synthetic fibers, on drying shrinkage of such composite. The social importance of fiber cement as construction material justifies the execution of the present work, in order to expose how drying shrinkage occurs on this composite and by those means to assist the technical community on mitigating pathological manifestations related to shrinkage, thus contributing for the reduction of an important problem on fiber cement industry, the edge cracking on corrugated sheets. In order to achieve this goal, it was sought to demonstrate the effect of porosity and pore size distribution on drying shrinkage. Moreover, experiments were performed, varying the type of cement used and the quantities of all materials involved, in addition to the application of treatments that modify hygroscopic movement, directly manipulating the capillary tension which causes shrinkage. It was concluded that the elevated porosity of the fiber cement causes drying shrinkage of this composite to be strongly influenced by its total porosity, directly correlated to the quantity of mesopores. Furthermore, in the case study performed it was concluded that shrinkage reduction due to the reduction of pore water surface tension was reflected into minor edge cracking on corrugated sheets.
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Chen, Hao. "Automatic dent detection on car bodies /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?MECH%202008%20CHEN.

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Yu, Guowang. "Cold-formed Steel Framed Shear Wall Sheathed with Corrugated Sheet Steel." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc271921/.

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Incombustibility is one important advantage of the sheet steel sheathed shear wall over wood panel sheathed shear wall. Compared to shear wall sheathed with plywood and OSB panel, shear wall sheathed with flat sheet steel behaved lower shear strength. Although shear wall sheathed with corrugated sheet steel exhibited high nominal strength and high stiffness, the shear wall usually behaved lower ductility resulting from brittle failure at the connection between the sheathing to frames. This research is aimed at developing modifications on the corrugated sheathing to improve the ductility of the shear wall as well as derive practical response modification factor by establishing correct relationship between ductility factor ? and response modification factor R. Totally 21 monotonic and cyclic full-scale shear wall tests were conducted during the winter break in 2012 by the author in NUCONSTEEL Materials Testing Laboratory in the University of North Texas. The research investigated nineteen 8 ft. × 4 ft. shear walls with 68 mil frames and 27 mil corrugation sheet steel in 11 configurations and two more shear walls sheathed with 6/17-in.OSB and 15/32-in. plywood respectively for comparison. The shear walls, which were in some special cutting arrangement patterns, performed better under lateral load conditions according to the behavior of ductility and shear strength and could be used as lateral system in construction.
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Subramanian, Kumar. "Analysis of homogeneous film flows on inclined surfaces and on corrugated sheet of packing using CFD." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2015. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-164588.

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The key to success in separation of liquid mixtures is the efficient creation and utilization of vapour-liquid contact area. By packing the column with gas-liquid contact devices such as structured packing, the vapour-liquid contact area can be increased. However, the efficiency of these packed columns depends strongly on the local flow behaviour of the liquid and vapour phase inside the packing. The aim of this work was to develop three-dimensional CFD models to study the hydrodynamic behaviour on the corrugated sheets of packing. Different approaches are possible to simplify the problem and to extend it for more complex flow scenarios. In this work, three-dimensional CFD simulations were performed to study the complete fluid-dynamic behaviour. This was performed in two steps. As a first step, the developed model was validated with experimental studies using a simplified geometry i.e., an inclined plate. The three-dimensional Volume-of-Fluid (VOF) model was utilized to study the flow behaviour of the gas-liquid countercurrent flow. The influence of the liquid surface tension was taken into consideration using the Continuum Surface Force (CSF) model. The wetting characteristics of liquids with different viscosity (1 and 5 mPas) and contact angle (70° and 7°) were studied for different flow rates. Three different mixtures (water, water-glycerol (45 wt. %) and silicon-oil (DC5)) were considered. Initially, the rivulet width of experiments and simulations were compared and an error of 5 % maximum was determined. The results were also in good agreement with earlier studies. The percentage of wetting due to changes in flow rate, viscosity and contact angle was compared and discussed. For all tested systems, excellent agreement between the experiments and simulation studies was found. In addition, profiles of the velocity in the film at film flow conditions over a smooth inclined plate obtained from simulations were compared with experimental profiles obtained using a μPIV technique. A detailed sensitivity study was also performed in order to understand the changes in the velocity profiles due to small change in liquid flow rate, temperature and inclination angle. As a next step, the developed model was extended to geometries resembling real corrugated sheets of packing used in industrial applications. In earlier numerical studies of structured packing, geometries were simplified to enable easy meshing and faster computation. In this work, the geometries of corrugated sheets of packing were developed without any simplification and the flow behaviour was studied using the model validated in the first step. The flow behaviour on sheets with different geometrical modifications such as smooth and triangular crimp surfaces as well as perforations on the sheets were numerically studied and quantitatively compared with experimental studies for the three different fluid test systems. The agreement between the simulations and experiments was within an acceptable range for all system. The difference in the interfacial area between the corrugated sheets of a packing with and without perforation was analyzed and the prediction ability of different empirical correlations for the interfacial area available in literature was also compared and discussed. Furthermore, the numerical study was extended to understand the influence of the second corrugated sheet. Studying the flow behaviour between two sheets experimentally is very challenging, especially inside opaque packing. The model proved to be a very suitable tool to study the hold-up of the liquid between two sheets, the change in wetting behaviour due to small change in liquid inlet position. The results are also in good agreement with the earlier experimental studies, where researchers measured the liquid hold-up mainly in the region where two corrugated sheets touch each other. The three-dimensional CFD model was validated to study the flow behaviour on corrugated sheets of packing. The results from the simulations agree very well with findings from the experimental studies in terms of wetting and hold-up.
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Moreland, Andrew. "Experimental and numerical investigation of a deeply buried corrugated steel multi plate pipe." Ohio : Ohio University, 2004. http://www.ohiolink.edu/etd/view.cgi?ohiou1176922845.

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Novotny, Ondrej. "Stabilisation of Steel Structures by Diaphragm Action of Trapezoidal Sheeting." Thesis, KTH, Bro- och stålbyggnad, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-273971.

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The main idea behind stabilisation by diaphragm action is to create a deep beam thatcan resist horizontal loads acting on a structure. It is achieved by connecting the sheetingto the primary structure of the roof so that the edge beams resist the bending momentthrough normal stresses and the sheeting resists the shear force through shear stresses.An essential assumption of a functional diaphragm system is a sufficient connectionbetween the sheeting and the primary structure.In this thesis, the global behaviour of a diaphragm, as well as possible failure modesof sheeting of different thicknesses, are investigated.A laboratory experiment is conducted in the first part of the thesis. In the experiment,two types of self-drilling screws in combination with three different plate thicknesses aretested in shear. Slip flexibility of the screws is evaluated based on the experiment andcompared to flexibilities according to European Recommendations for the Application ofMetal Sheeting Acting as a Diaphragm.In the second part of the thesis, a finite element simulation is performed on two structuresto investigate the global behaviour of the diaphragm. The experimental results are,additionally, implemented into the finite element model.In the last part, hand calculations are performed based on analytical formulas given inEuropean Recommendations for the Application of Metal Sheeting Acting as a Diaphragmand the maximum horizontal displacement of the structure is compared to the FEAresults.
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Subramanian, Kumar [Verfasser], Jens-Uwe [Akademischer Betreuer] Repke, Jens-Uwe [Gutachter] Repke, and Günter [Gutachter] Wozny. "Analysis of homogeneous film flows on inclined surfaces and on corrugated sheet of packing using CFD / Kumar Subramanian ; Gutachter: Jens-Uwe Repke, Günter Wozny ; Betreuer: Jens-Uwe Repke." Freiberg : Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2015. http://d-nb.info/1220837903/34.

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Books on the topic "Corrugated sheets"

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O'Reilly, Barry. Corrugated iron in Ireland. Dublin: University College Dublin, 1999.

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Simon, Holloway, ed. Corrugated iron: Building on the frontier. London: Frances Lincoln, 2007.

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Mornement, Adam. Corrugated iron: Building on the frontier. New York: W.W. Norton & Co., 2007.

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Bo xing gang fu ban PC zu he xiang liang qiao she ji yu ying yong: Boxing fangfuban PC zhuhe xiangliangqiao sheji yu yingyong. Beijing Shi: Ren min jiao tong chu ban she, 2009.

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Byrdy, Czesław. Projektowanie konstrukcji lekkich ścian i dachów z blach fałdowych. Kraków: Politechnika Krakowska, 1987.

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Baidar, Bakht, and Jaeger Leslie G, eds. Soil-steel bridges: Design and construction. New York: McGraw-Hill, 1993.

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Parker, Philip M. The 2007-2012 World Outlook for Lined and Unlined Corrugated Paperboard in Sheets and Rolls. ICON Group International, Inc., 2006.

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The 2006-2011 World Outlook for Lined and Unlined Corrugated Paperboard in Sheets and Rolls. Icon Group International, Inc., 2005.

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Parker, Philip M. The World Market for Corrugated Paper and Paperboard in Rolls or Sheets: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.

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Parker, Philip M. The 2007 Import and Export Market for Corrugated Paper and Paperboard in Rolls or Sheets in China. ICON Group International, Inc., 2006.

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Book chapters on the topic "Corrugated sheets"

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Zachary, Joseph L. "Corrugated Sheets: Multiple-File Programs." In Introduction to Scientific Programming, 285–311. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-2188-3_15.

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Youssef, M., A. M. Sanad, A. Salem, and A. H. Badawy. "Efficiency of Corrugated Sheets in Resisting Membrane Forces." In Design, Fabrication and Economy of Metal Structures, 171–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36691-8_26.

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Maaze, Mohammed Rihan, and Swapnil Patil. "Experimental Investigation of RC Corrugated Beams Strengthened with FRP Sheets." In Lecture Notes in Civil Engineering, 51–62. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2545-2_6.

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Skoczeń, Błażej T. "Stability of Corrugated Axisymmetric Shells (Bellows)." In Compensation Systems for Low Temperature Applications, 137–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-06305-7_6.

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"Corrugated Sheets." In Cold-Formed Steel Design, 343–48. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470949825.ch10.

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"Stability of roof trusses stiffened by corrugated sheets." In Shell Structures: Theory and Applications (Vol. 2), 129–32. CRC Press, 2009. http://dx.doi.org/10.1201/9780203859766-29.

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Iwicki, P. "Stability of roof trusses stiffened by corrugated sheets." In Shell Structures: Theory and Applications (Vol. 2), 113–16. CRC Press, 2009. http://dx.doi.org/10.1201/9780203859766.ch22.

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Pasca, M., M. Pignataro, and P. Franchin. "Post-Buckling Analysis of V-Stiffened Corrugated Sheets under Compression." In Stability and Ductility of Steel Structures (SDSS'99), 533–41. Elsevier, 1999. http://dx.doi.org/10.1016/b978-008043016-4/50063-5.

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Sondej, M., M. Wójcik, P. Iwicki, and J. Tejchman. "Comparative buckling analysis of cylindrical steel silos with flat or corrugated sheets." In Shell Structures: Theory and Application, 235–38. CRC Press, 2013. http://dx.doi.org/10.1201/b15684-57.

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Hotała, E., Ł. Skotny, M. Kuśnierek, and J. Boniecka. "Experimental investigations on the resistance of vertical stiffeners of steel silos shells made of corrugated sheets." In Metal Structures 2016, 499–506. CRC Press, 2016. http://dx.doi.org/10.1201/b21417-69.

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Conference papers on the topic "Corrugated sheets"

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Hara, T. "Tunnel Lining with Corrugated FRP Sheets." In 2014 International Conference on Computing in Civil and Building Engineering. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413616.095.

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Altinoklu, Askin, Bariscan Karaosmanoglu, and Ozgur Ergul. "Full-wave electromagnetic optimizations of corrugated metallic sheets." In 2016 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2016. http://dx.doi.org/10.1109/aps.2016.7696370.

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Liu, Ting, Yuansheng Cheng, Jun Liu, Ganchao Chen, Changhai Chen, and Pan Zhang. "Dynamic Response of Metallic Y-Frame Core Sandwich Panels Subjected to Air Blast Loading: Numerical Investigation." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-96628.

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Abstract In this paper, the dynamic response of metallic Y-frame core sandwich plates subjected to air blast loading was investigated by employing the LS-DYNA software. The blast wave was generated by the directly detonation of TNT explosives. The deformation/failure modes and associated structural response were identified and analyzed in detail. Main attention was paid to explore the effects of face sheet thicknesses and core web thickness on the deformation response of Y-frame core sandwich plates. A comparison on the blast performance were drawn among the Y-frame core sandwich panel, corrugated core sandwich panel and solid plate in equal areal mass. Numerical results revealed that the Y-frame core sandwich panel experienced indent deformation in the front face, strut buckling in the core and large bending deformation in the back face under the stand-off distance of 100 mm. Increasing the face sheets and core web thicknesses could improve the blast performance of Y-frame core sandwich panels. The deflections of face sheets were sensitive to the variation of front face sheet and core thicknesses. Moreover, Y-frame sandwich panel has comparable anti-blast capacity with the corrugated counterparts and exhibits superior blast resistance than the solid plate.
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Cai, Sipei, Jun Liu, Yuansheng Cheng, Weiwei Hao, and Pan Zhang. "Numerical Investigation Into the Effect of Stand-Off Distance on the Blast Performance of Metallic Corrugated-Core Sandwich Panels." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77739.

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The ANSYS/AUTODYN software was employed to investigate the dynamic response of the metallic sandwich panels subjected to air blast loading. The sandwich panels were composed of two face sheets and a trapezoidal corrugated-core. To validate the numerical models, the simulation results were compared with experimental data reported previously. In the simulation works, the process of shock wave propagation and the structural dynamic response were analyzed. Meanwhile, the influences of the stand-off distance between the explosive charge and the front face sheet on the fluid-structure interaction effect, dynamic response and the energy absorption of sandwich panels were investigated. Numerical results demonstrated that the impulse intensity decreased dramatically with the increase of stand-off distance. The slapping between the front face sheet and the back face sheet could be observed at the stand-off distances of 50 mm and 100 mm, while the sandwich panel exhibited the “strong core” response mode under the stand-off distance of 150 mm. Investigations into energy absorption characteristic revealed that the total energy absorption reduced with the increase of stand-off distance. The front face and corrugated-core provided the most contribution on total energy absorption. Moreover, the energy absorption proportion of corrugated-core had a positive correlation with the stand-off distance.
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Yu, Cheng, Guowang Yu, and Jie Wang. "Optimization of Cold-Formed Steel Framed Shear Wall Sheathed with Corrugated Steel Sheets: Experiments and Dynamic Analysis." In Structures Congress 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479117.086.

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Ungureanu, Viorel, Ivan Lukačević, Ioan Both, and Mircea Burca. "Numerical investigation of built-up cold-formed steel beams connected by spot welding." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.1065.

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<p>Built-up cold-formed steel elements are efficient structural elements, very attractive due to material savings, but also for ease of construction. The connection between the built-up beam components can be easily obtained by screws, but the developments in the welding process also led to other solutions like spot welding. The WELLFORMED research project, conducted within the CEMSIG Research Center of the Politehnica University of Timisoara, proposes to study a new technological solution for built-up beams made of corrugated steel sheets for the web and thin-walled cold-formed steel profiles for the flanges, connected by spot welding. Within the research project, the experimental work included tensile-shear tests on the lap joint welded specimens, where different combinations of steel sheets with various thicknesses were tested and, tests on two full-scale beams in bending. The paper briefly summarizes the results of the experimental program and extends the research by numerical analyses to demonstrate the potential of this solution for standardization and industrial manufacturing. Based on the validation of the numerical model, the paper presents the influence of several parameters i.e.: (1) the initial imperfections, (2) the number and distance between spot welding on flanges, (3) the thickness of the flanges, (4) the thickness of the corrugated web and (5) the thickness of the shear panel. From the parametric study, it results that the bearing capacity of the corrugated web beams made of cold-formed steel components is highly affected by the stability of the components and less affected by the configuration and the number of spot welding.</p>
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Ungureanu, Viorel, Ioan Both, Mircea Burca, Marius Grosan, Calin Neagu, and Dan Dubina. "Experimental investigations on built-up cold-formed steel beams connected by resistance spot welding." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Valencia: Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.7169.

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The WELLFORMED research project, ongoing at the CEMSIG Research Center of the Politehnica University of Timisoara, proposes to study a new technological solution for built-up beams made of corrugated steel sheets for the web and thin-walled cold-formed steel profiles for the flanges, connected by resistance spot welding. Within the research project, the experimental work includes tensile-shear tests on the lap joint spot-welded specimens, were different combinations of steel sheets with various thicknesses were tested and, tests on full scale beams in bending. The study intends to demonstrate the feasibility of the proposed solutions, to assess their performance and to enlarge the knowledge by using numerical simulations for the optimization of the current solution and to define the limits of the solution’s applicability.
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Antoine, Hubert, and Luc Prieels. "Aero-Thermal Optimisation of a Spiral Primary Surface Recuperator: Modelling and Testing." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27575.

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Recently, interest in spiral heat exchangers has grown for high temperature, high cycling applications, especially in the gas turbine industry. Air and gas flow distribution in heat exchangers is known to play a major role in their pressure drop performance and effectiveness. Modelling this distribution is needed to optimise the primary surface geometry. This optimisation has been applied to the ACTE spiral recuperator and resulted in smaller and lighter recuperators thanks to a better use of the metal. A specific CFD code was developed and used to investigate different ‘state of the art’ flow configurations and hydraulic diameters. The best of these was then adapted to ACTE’s manufacturing technology. The model has been validated by pressure drop, velocity profile and effectiveness measurements. The improved geometry consists of a primary surface cross-corrugated pattern for both air and gas flows (see fig. 4 and 5). The pattern includes a central zone with a half angle of 30° for counterflow and two lateral zones with a half angle of 45° for fluid distribution and collection. The corrugations are not strictly sinusoidal but include a flat area that allows welding the two sheets together. The sheet pair (or “doublet”) is thus made resistant to ballooning. It is also used to hoop the annular heat exchanger.
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Dib, Johan, Ivan Lewon, and Boris Martin. "Thermo-Mechanical Design of Brazed Plate-Fins Heat Exchanger Based on Finite Element Modeling Using Homogenization Techniques." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77251.

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Using classical Finite Element (FE) tools to model heat exchangers emphasizes the need to elaborate specific methods to reduce the size of the numerical problem. Among these methods, homogenization techniques can be adapted and used for Brazed Aluminum Plate-Fins Heat Exchangers (BAHX) including layers of periodic structures. Actually the core is formed by stacking single layers consisting of periodic corrugated fins, side-bar and parting sheets which are all made of aluminum base metals, and brazed in a furnace. So in this paper a global methodology of BAHX modeling and design is presented. It integrates homogenization techniques to perform FE calculation and localization techniques to allow applying the appropriate design criteria. Finally, to validate this methodology, results are then compared on a basic heat exchanger modeled both by classical FE tools and a dedicated software tool encapsulating both homogenization and localization techniques.
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Kulkarni, Sadanand, Soniya D. Naik, K. Sarosh Kumar, M. Radhakrishna, and Soumendu Jana. "Development of Foil Bearings for Small Rotors." In ASME 2013 Gas Turbine India Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gtindia2013-3644.

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Lubricant free high speed turbo-machineries are one of the emerging fields in the gas turbine technology. Foil bearings are the major contenders in the lubricant free bearings due to their ability to support significant loads at very high speeds. The paper deals with the various stages in the development of discrete and continuous bump foil bearings and testing of the same for designed speeds and loads. Development of bumps involves determination of bump geometry for the desired load capacity, design of special purpose dies for the fabrication of corrugated sheets, identification of suitable bump material and evolution of heat treatment process. Here Beryllium–Copper (Be-Cu) is used as a bump material because of its self-lubricating property and good mechanical strength. The clearance between the shaft and top foil can be adjusted by providing the back-up foils between the encircling foil and bump foil. The rotor system simulating the weight of a typical micro gas turbine is designed and fabricated. The foil bearings developed are tested under this simulated load conditions at speeds above 50,000 rpm. The results obtained show that the rotor is completely airborne at speed slightly above 9000 rpm and at higher speeds the rotor is stable.
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Reports on the topic "Corrugated sheets"

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Trzesowski, Andrzej Trzesowski. On the Isothermal Geometry of Corrugated Graphene Sheets. Jgsp, 2014. http://dx.doi.org/10.7546/jgsp-36-2014-1-45.

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