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Статті в журналах з теми "Bending Strain measurements"
Leski, Andrzej, Wojciech Wronicz, Piotr Kowalczyk, Michał Szmidt, Robert Klewicki, Karol Włodarczyk, and Grzegorz Uliński. "Modular Test Stand for Fatigue Testing of Aeronautical Structures – Verification of Assumptions." Fatigue of Aircraft Structures 2020, no. 12 (December 1, 2020): 78–91. http://dx.doi.org/10.2478/fas-2020-0008.
Повний текст джерелаRidge, I. M. L., J. Zheng, and C. R. Chaplin. "Measurement of cyclic bending strains in steel wire rope." Journal of Strain Analysis for Engineering Design 35, no. 6 (August 1, 2000): 545–58. http://dx.doi.org/10.1243/0309324001514288.
Повний текст джерелаLiu, Shucong, Dezhi Zheng, Tianhao Wang, Mengxi Dai, Rui Li, and Qingshan Feng. "A novel algorithm for pipeline displacement and bending strain of in-line inspection based on inertia measurement technology." Advances in Mechanical Engineering 10, no. 12 (December 2018): 168781401881675. http://dx.doi.org/10.1177/1687814018816755.
Повний текст джерелаSocha, Bernard J., Edward T. Bednarz, and Wei-Dong Zhu. "A combined loading transducer for calculating the bending moment and torque in a slender circular beam using the minimum numbers of strain gauges, strain grids, and measurement channels." International Journal of Distributed Sensor Networks 16, no. 6 (June 2020): 155014772092177. http://dx.doi.org/10.1177/1550147720921774.
Повний текст джерелаDevivier, C., Daniel Thompson, Fabrice Pierron, and M. R. Wisnom. "Correlation between Full-Field Measurements and Numerical Simulation Results for Multiple Delamination Composite Specimens in Bending." Applied Mechanics and Materials 24-25 (June 2010): 109–14. http://dx.doi.org/10.4028/www.scientific.net/amm.24-25.109.
Повний текст джерелаYu, Feng, and Michael T. Hendry. "A new strain gauge configuration on the rail web to decouple the wheel–rail lateral contact force from wayside measurement." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 233, no. 9 (January 13, 2019): 951–60. http://dx.doi.org/10.1177/0954409718822870.
Повний текст джерелаArola, Anna Maija, Antti J. Kaijalainen, and Vili Kesti. "Evaluation of Bendability of Hot-Rolled S960 Grade Steel Using Optical Strain Measurements and FE-Modelling." Key Engineering Materials 651-653 (July 2015): 610–16. http://dx.doi.org/10.4028/www.scientific.net/kem.651-653.610.
Повний текст джерелаWeisbrich, Martin, and Klaus Holschemacher. "Comparison between different fiber coatings and adhesives on steel surfaces for distributed optical strain measurements based on Rayleigh backscattering." Journal of Sensors and Sensor Systems 7, no. 2 (November 21, 2018): 601–8. http://dx.doi.org/10.5194/jsss-7-601-2018.
Повний текст джерелаSong, Xu, Solène Chardonnet, Giancarlo Savini, Shu Yan Zhang, Willem J. J. Vorster, and Alexander M. Korsunsky. "Experimental/Modelling Study of Residual Stress in Al/SiCp Bent Bars by Synchrotron XRD and Slitting Eigenstrain Methods." Materials Science Forum 571-572 (March 2008): 277–82. http://dx.doi.org/10.4028/www.scientific.net/msf.571-572.277.
Повний текст джерелаXu, Y., and R. N. Miles. "Experimental determination of bending strain power spectra from vibration measurements." Experimental Mechanics 36, no. 2 (June 1996): 166–72. http://dx.doi.org/10.1007/bf02328714.
Повний текст джерелаДисертації з теми "Bending Strain measurements"
BEZZICCHERI, MATTEO. "Problems in measurement of mechanical loads in wind turbines: bending/torsional moments by strain gage bridges and torque by optical transducer." Doctoral thesis, Università Politecnica delle Marche, 2018. http://hdl.handle.net/11566/252847.
Повний текст джерелаThis thesis discusses the complexity of measuring mechanical loads on large wind turbines; parameters that play a crucial role in the certification and monitoring of wind turbines. The most important mechanical loads on a wind turbine are bending and torsional moments that are usually measured through full strain gage bridges, as recommended by the standard IEC 61400-13. This thesis discusses the guidelines to design the strain gage measurement chain and a comparison among the different calibration procedures: analytical, external loads and gravity. This work proposes static-dynamic models for a gravity calibration, comments on the attainable range of calibration and presents an uncertainty analysis of the calibration process. Even if measurement should take place in isothermal condition, this is not always the case in real world practice. Therefore, the thesis puts into evidence its influence on calibration and signal uncertainty and the technical solutions that can be adopted to limit the phenomenon. Among the strain gage measurements, the torque measurement on the shaft is the most uncertain. However, many studies have shown that an accurate torque measurement can provide much information about the WT’s health. Available solutions more accurate, like inline torque sensor, are invasive and inappropriate. This thesis, in its second part, analyses a novel, contactless torque measurement system consisting of two shaft-mounted zebra tapes and two optical sensors mounted on stationary rigid supports. The performance of the system has been analysed experimentally on a test bench. The results show good agreement with reference measurements from an in-line, invasive torque transducer with an uncertainty of ±0.3%. Finally, a feasibility analysis and a system scale-up design for two typical WTs with different shaft configurations has been performed and shows that the measurement technique is less uncertain when performed on long and slow shafts.
TANAKA, Keisuke, Yoshiaki AKINIWA, Yoshihisa SAKAIDA, and Hirohisa KIMACHI. "Lattice Strain and Domain Switching Induced in Tetragonal PZT by Poling and Mechanical Loading." The Japan Society of Mechanical Engineers, 2000. http://hdl.handle.net/2237/9183.
Повний текст джерелаOscarsson, Jan. "Strength grading of structural timber and EWP laminations of Norway spruce : Development potentials." Licentiate thesis, SP Sveriges Tekniska Forskningsinstitut, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-23757.
Повний текст джерелаHållfasthetssortering av konstruktionsvirke innebär att värdet på sågade produkter ökar. Sorteringen genomförs oftast med maskinella metoder baserade på statistiska samband mellan s.k. indikerande egenskaper och böjhållfasthet. Den indikerande egenskap (indicating property, IP) som är vanligast på den Europeiska marknaden är styvhet uttryckt som ett medelvärde för elasticitetsmodulen (modulus of elasticity, MOE) i ett virkesstycke, trots att MOE är en materialegenskap som varierar i virket. En betydande begränsning med dagens sorteringsmetoder är att de beskrivna sambanden är förhållandevis svaga, vilket innebär att det finns en potential för metoder med högre noggrannhet. Det huvudsakliga syftet med detta doktorandprojekt har varit att initiera en utveckling mot sådana metoder. Hållfasthet hos virke är beroende av förekomst av kvistar. Samtidigt har de kvistmått som fram till idag kommit till användning visat sig vara dåliga prediktorer av hållfasthet. Resultat från såväl denna som tidigare forskning har dock visat att inte bara kvistars storlek och läge, utan också variationen i fiberriktning i omgivande träfibrer, är av stor betydelse för lokal styvhet och brottförlopp under inverkan av last. Utveckling av nya IP som tar hänsyn till såväl kvistar som omgivande träfibrers egenskaper fastställda på mycket lokal nivå bedömdes vara en möjlig väg för att uppnå bättre hållfasthetssortering. I detta doktorandprojekt användes beröringsfri deformationsmätning för analys av det strukturella beteendet hos virkesstycken på såväl lokal som global nivå. Laserskanning utnyttjades för detektering av lokala fiberriktningar projicerade på virkesstyckenas ytor. Med utgångspunkt från skannad information, virkesdensitet och medelvärde för axiell dynamisk elasticitetsmodul kunde variationen i lokal elasticitetsmodul i virkesstyckenas längdriktning bestämmas. Genom integration över tvärsektioner längs ett virkesstycke kunde en profil över hur böjstyvheten i styva riktningen varierade i virkesstyckets längdriktning beräknas. En ny IP definierades som den lägsta elasticitetsmodulen i böjning utmed virkesstyckets längd. För ett urval av granplankor erhölls en förklaringsgrad på 0.68 mellan den nya indikerande egenskapen och böjhållfasthet. För smala sidobrädor avsedda att användas som lameller i våtlimmade limträbalkar var motsvarande förklaringsgrad mellan samma IP och draghållfasthet så hög som 0.77. Eftersom sidobrädorna var avsedda att användas som lameller i våtlimmade balkar genomfördes en studie avseende möjligheten att hållfasthetssortera i vått tillstånd med hjälp av axiell dynamisk excitering och vägning. Det visade sig att sådan sortering gav lika bra resultat som då samma metod användes efter torkning. Sambandet mellan den nya indikerande egenskapen och hållfasthet visade sig också vara beroende av på vilken lokal nivå som egenskapen beräknades. Optimum uppnåddes då den bestämdes som ett glidande medelvärde beräknat över en längd motsvarande ungefär halva virkesstyckets höjd. Implementering av den nya sorteringsmetoden kommer att resultera i sortering som är noggrannare än vad som kan erhållas med det stora flertalet av de sorteringsmetoder som finns idag. Den nya indikerande egenskapen kommer sannolikt att bli särskilt gynnsam att använda för utveckling av ingenjörsmässiga träprodukter bestående av smala lameller.
Yarajena, Sai Saraswathi. "2D Piezotronics: Performance to Functionality." Thesis, 2023. https://etd.iisc.ac.in/handle/2005/6199.
Повний текст джерелаFeng, Chih-Min, and 馮智敏. "Digital Image Analysis for Strain Measurement of Flexible Substrate under Bending Test." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/35522950857470760578.
Повний текст джерела國立交通大學
機械工程系所
97
Flexible electronic is important development in modern technology. One of the most widespread applications is “flexible display”, which is mainly developed for the next generation monitor. Flexible display is thin and flexible, shock-resistant, and can serve in daily life as electronic paper and electronic books. Flexibility is one of major characteristics for flexible display. Therefore, how to measure the strain field of bending for flexible polymer substrate that constitute the flexible display is an important technique. In view of the fact that traditional devices such as strain gages and photoelasticity are not suitable for measure large deformation, this study develops noncontact measurement as the first choice. As a result of today's noncontact measurement technology is set up by complex structure of the optical path, and the environment of measurement is demanding. This study develops an imaging method less susceptible of light effect on the environment, rather than sets up complex devices of noncontact measurement. Using two CCD cameras constructs a three-dimensional computer vision system, which captures images of the sample before and after deformation in the bending test. Based on the digital image correlation, this study compares the displacement vector of any point on the display surface when deformation occurs. The deformation gradient of materials is calculated by the displacement vector, and we can obtain the strains of the bending test for flexible electronic. According to the bending test result of PEN substrate, the strain at the center of sample surface indeed increases with curvature increase.
Wildy, Stuart James. "Scanning laser doppler vibrometry for strain measurement and damage detection." Thesis, 2012. http://hdl.handle.net/2440/93519.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Mechanical Engineering, 2012
Книги з теми "Bending Strain measurements"
F, Harrington, and United States. National Aeronautics and Space Administration., eds. Static test induced loads verification beyond elastic limit. [Washington, D.C: National Aeronautics and Space Administration, 1996.
Знайти повний текст джерелаЧастини книг з теми "Bending Strain measurements"
Grediac, M., and A. Vautrin. "Measurement of Laminate Bending Elastic Parameters from Non-Uniform Strain Fields." In Mechanical Identification of Composites, 91–98. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3658-7_9.
Повний текст джерелаHack, Erwin, and Ann Schumacher. "Espi-Measurement of Strain Components on a Cfrp-Reinforced Bending Beam." In Experimental Analysis of Nano and Engineering Materials and Structures, 723–24. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6239-1_359.
Повний текст джерелаBremand, F., and A. Lagarde. "Optical Method of Strain Measurement. Application to Study of Circular Bending of a Beam in the Large Strain Range." In Experimental Stress Analysis, 341–50. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4416-9_38.
Повний текст джерела"Fatigue of Metals." In Fatigue and Fracture, 147–207. ASM International, 2012. http://dx.doi.org/10.31399/asm.tb.ffub.t53610147.
Повний текст джерелаKohzuki, Yohichi. "Study on Influence of a State of Dopants on Dislocation-Dopant Ions Interaction in Annealed Crystals." In Alkaline Chemistry and Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96395.
Повний текст джерелаZhao, Hongduo, Songyuan Gu, Jianming Ling, and Yizhou Peng. "Measurement of flexural displacement and strain in bending test based on digital image analysis." In Bituminous Mixtures and Pavements VI, 367–72. CRC Press, 2015. http://dx.doi.org/10.1201/b18538-53.
Повний текст джерела"In Situ Curvature Measurements, Strains, and Stresses in the Case of Large Wafer Bending and Multilayer Systems." In III-V Compound Semiconductors, 375–410. CRC Press, 2016. http://dx.doi.org/10.1201/b10390-13.
Повний текст джерелаТези доповідей конференцій з теми "Bending Strain measurements"
Marland, Chris, and Jeremy Greenwood. "Strain-Gauge Bending-Moment Measurements Used to Identify Wellbore Tortuosity." In SPE/IADC Drilling Conference and Exhibition. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/173039-ms.
Повний текст джерелаFeier, Ioan I., Brian N. Leis, Xian-Kui Zhu, Randall B. Stonesifer, John S. Stavrakas, and Daniel D’Eletto. "Experimental Strain Measurements on Large Diameter Mitered Pipe Joints." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31583.
Повний текст джерелаSinotte, Tyler, and Olivier Bauchau. "Experimental Strain Measurements of Highly-Curved Blades." In Vertical Flight Society 75th Annual Forum & Technology Display. The Vertical Flight Society, 2019. http://dx.doi.org/10.4050/f-0075-2019-14576.
Повний текст джерелаKonradsen, Bjørn. "Comparison of Bitumen’s Large Strain Viscoelastic Properties in Cables and Umbilicals to Small Strain Rheometer Measurements." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54091.
Повний текст джерелаFreitas, Rafael Luis, Celio Costa, Erica Chaves, and Sylvia Teixeira. "Environmental Stress Cracking on PVDF: ISO 22088-3 (Preliminary Data)." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18859.
Повний текст джерелаLaforte, Caroline, and Jean-Louis Laforte. "Tensile, Torsional and Bending Strain at the Adhesive Rupture of an Iced Substrate." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79458.
Повний текст джерелаOzkan, Istemi F., Daryl J. Bandstra, Chris M. J. Timms, and Arthur T. Zielinski. "Employing Visual Image Correlation for the Measurement of Compressive Strains for Arctic Onshore Pipelines." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10952.
Повний текст джерелаEvans, Paul G., Paul P. Rugheimer, Michelle Roberts, Max G. Lagally, Chung-Hoon Lee, Yanan Xiao, Barry Lai, and Zhonghou Cai. "Direct Synchrotron X-Ray Microdiffraction Measurements of Strain and Bending in Micromachined Silicon Devices." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-62476.
Повний текст джерелаChoquette, Jeremie J., Sylvain Cornu, Mohamed ElSeify, and Raymond Karé. "Understanding Pipeline Strain Conditions: Case Studies Between ILI Axial and ILI Bending Measurement Techniques." In 2018 12th International Pipeline Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/ipc2018-78577.
Повний текст джерелаRogge, Renee D., Scott R. Small, Derek B. Archer, Michael E. Berend, and Merrill A. Ritter. "Validation of Digital Image Correlation Techniques for Strain Measurement in Biomechanical Test Models." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14540.
Повний текст джерелаЗвіти організацій з теми "Bending Strain measurements"
Holden, T., J. Root, and R. Hosbons. CWI1988-Andi-16 Neutron Diffraction of Axial Residual Strains Near a Crack in a Girth Weld. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 1988. http://dx.doi.org/10.55274/r0011389.
Повний текст джерелаClapham, Lynann, and Vijay Babbar. PR-320-113706-R01 Neutron Diffraction Measurements of Residual Strain from Dents and Gouges in Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 2020. http://dx.doi.org/10.55274/r0011643.
Повний текст джерелаGraville. L51764 Hydrogen Cracking in the Heat-Affected Zone of High-Strength Steels-Year 2. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), March 1997. http://dx.doi.org/10.55274/r0010170.
Повний текст джерела