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Yapar, Ozgur. "Analysis Of Earthquake Loading, Wind Loading And Ice Loading Effects On Guyed Masts". Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/2/12612137/index.pdf.
Pełny tekst źródłaG&rdquo
revision of the ANSI/TIA-EIA code there is a comprehensive design criterion for the seismic design of the guyed masts. However, during the design process of these structures the most common approach is to ignore the effect of seismic loading and use only the internal forces developed from the wind load and ice load analysis. In this study firstly the efficiency and accuracy of the commercial SAP2000 and PLS-TOWER software were investigated, then finite element models of three guyed masts that had been designed in Turkey with the heights 30m, 60m and 100m in the SAP2000 and PLS-TOWER software were analyzed under the effect of earthquake, wind and ice loadings. The most common design code recognized all over the world used for the design of the guyed masts is ANSI/TIA-EIA 222-G &ldquo
Structural Standards for Steel Antenna Towers and Supporting Structures&rdquo
. Thus, the corresponding sections of this code were followed during the study. The main objective of this research is to check the correctness of commercial SAP2000 and PLS-TOWER software and to investigate the effect of seismic actions on the guyed masts and also to gain a better understanding of the behavior of guyed masts under the effects of the wind, ice and earthquake loadings.
Vainionpää, A. (Aki). "Bone adaptation to impact loading—Significance of loading intensity". Doctoral thesis, University of Oulu, 2007. http://urn.fi/urn:isbn:9789514284939.
Pełny tekst źródłaTiivistelmä Väestön ikääntymisen ja elintapojen muutosten myötä osteoporoosista ja osteoporoottisista murtumista on tullut maailmanlaajuinen terveysongelma. Ongelman laajuuden vuoksi murtumien lääkkeellinen ehkäisy ei ole mahdollista kattavasti väestötasolla, joten vaihtoehtoisten ehkäisymenetelmien kehittäminen on välttämätöntä. Liikunta on yksi potentiaalinen ehkäisykeino, koska yksi tärkeä tekijä ongelman taustalla on arkiliikunnan vähentyminen. Liikunnan tiedetään hyödyttävän luustoa, mutta optimaalisen liikunnan tyyppi, intensiteetti, määrä ja kesto ovat kuitenkin selvittämättä. Tämän tutkimuksen tavoitteena oli selvittää hyppyharjoittelun vaikutusta 35–40-vuotiaiden naisten luun tiheyteen, geometriaan ja aineenvaihduntaan sekä määrittää luun kannalta optimaalisen harjoittelun määrä ja voimakkuus. Tutkimuksessa selvitettiin myös harjoittelun vaikutuksia fyysiseen suorituskykyyn, sekä sydän- ja verisuonisairauksien riskitekijöihin. Toteutimme väestöpohjaisen, satunnaistetun, kontrolloidun 12 kuukauden mittaisen liikuntaintervention, johon osallistui 120 naista. Intervention aikana mittasimme hyppykuormitusten määrää ja voimakkuutta uudella kiihtyvyysanturiin perustuvalla menetelmällä. Nousujohteinen hyppyharjoittelu aiheutti kuormitetuissa luissa muutoksia, joista keskeiset olivat luuntiheyden ja luun ympärysmitan kasvu. Lisäksi luuston aineenvaihdunnassa tapahtui muutoksia, jotka osoittivat luun uudismuodostuksen lisääntyneen. Luun mukautumisen ja mitattujen iskukuormitusten välillä havaittiin annos-vastesuhde. Kuormitusten voimakkuus oli olennaista, sillä reisiluun kaulan luuntiheyden muutokset olivat yhteydessä kuormituksiin, joiden kiihtyvyys oli yli 4 kertaa maan vetovoiman (g) suuruinen. Luustomuutoksen saavuttamiseen tarvittavien kuormitusten määrä yli 4 g:n tasolla oli kuitenkin vain 60 kuormitusta vuorokaudessa, jotka voidaan turvallisesti saavuttaa normaaleilla hypyillä. Liikuntaharjoittelu paransi myös kolesteroliarvoja, maksimaalista hapenottokykyä, voimatasoja sekä pienensi vyötärön ympärystä, vaikuttaen näin positiivisesti sydän- ja verisuonisairauksien riskitekijöihin. Tutkimus osoitti luun mukautuvan muuttuneisiin kuormituksiin useiden mekanismien kautta ja mukautumisen olevan kuormitusten intensiteetistä riippuvaista. Osteoporoosin ehkäisyn kannalta tehokas ja turvallinen kuormitusmäärä näyttää olevan 60 hyppyä päivässä
Blom, Jonatan. "Autonomous Hauler Loading". Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-21921.
Pełny tekst źródłaI det här examensarbetet har designat och implementerat komponenter till ettsystem för automatiserad materialhantering i anläggningsbranschen, en autonomhjullastare. Examensarbetet avslutas med en uppvisning av den prototyp somvi implementerat våra komponenter på. Vårt främsta bidrag till systemet är enny mjukvarudesign, med det nya upplägget har det blivit enklare att integreranya komponenter i systemet. Förutom plattformen så har vi tagit fram komponenteroch lösningar för era delsystem som krävs för autonom operation medhjullastaren, dessa har vi listat några av dessa nedan. Tillståndsmaskin för hantering av övergripande uppdrag. Bildbehandlingsalgoritmer, som utifrån LiDAR data parametriserar lastmottagaren(i detta examensarbete en dumper) Dynamisk translationsalgoritm, denna används för att genomföra en tömningssekvenspå en godtycklig koordinat.Mycket jobb har även lagts på utveckling av underliggande system och funktionalitet,bland annat har vi implementerat kommunikations protokoll och APIför en LiDAR skanner samt ett API för en servo controller. Vi har också konstrueraten mekanisk vagga för LiDAR skannern och servomotorn i CAD, dennakonstruktion tillverkade vi senare i en CNC fräs.
RYDMARK, MIKAEL. "Faster Loading of Websites : Strategies for optimizing loading of webpage components". Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-156250.
Pełny tekst źródłaNär en webbsida laddas på Internet är det önskvärt att det går så fortsom möjligt att ladda sidan. Den här rapporten redovisar flera strategierför att försöka förbättra laddningstiden för en webbsida genom att optimeraladdningen av en webbsidas komponenter. Testen som genomförtsoch redovisas i rapporten visade att man kan minska laddningstidenför en webbsida signifikant genom att tillämpa komprimering. Testenvisade också att man genom att cacha statiska komponenter kan sparamycket tid för återkommande besök av webbsidan.
Suh, Jong Beom. "STRESS ANALYSIS OF RUBBER BLOCKS UNDER VERTICAL LOADING AND SHEAR LOADING". University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1185822927.
Pełny tekst źródłaLarsson, Roland. "Lubrication at impact loading". Licentiate thesis, Luleå tekniska universitet, Maskinelement, 1994. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17267.
Pełny tekst źródłaMiller, Kristin Lee. "Loading of craniofacial implants". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0005/MQ59849.pdf.
Pełny tekst źródłaChen, Wen-Ling. "Impulsive loading in gonarthrosis". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268204.
Pełny tekst źródłaRatcliff, Max Simon William. "Aspects of container loading". Thesis, Swansea University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547337.
Pełny tekst źródłaOkorie, Aaron Onyemaechi Darlington. "Cyclic loading of silt". Thesis, University of Bradford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305257.
Pełny tekst źródłaParker, Eleanor. "Mechanical loading and cartilage physiology". Thesis, University of Westminster, 2011. https://westminsterresearch.westminster.ac.uk/item/8zzqy/mechanical-loading-and-cartilage-physiology.
Pełny tekst źródłaYadav, Priti. "Modelling loading and growth of long bones Modelling loading and growth of long bones". Licentiate thesis, KTH, Biomekanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177913.
Pełny tekst źródłaQC 20151201
Flogvall, Carl. "Modeling time-varying loading docks". Thesis, KTH, Optimeringslära och systemteori, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-227340.
Pełny tekst źródłaI den här studien har flera Markov-modeller skapats för att simulera av köer vid lastkajer med hjälp av diskreta tidsmarkovkedjor och en optimeringsalgo-ritm med avseende på betjäningskapacitet har presenterats. Kövsystemen har modellerats med exponentiell och Erlang-2-distribuerad betjäningsintensiteten. De har även modellerats för en klass eller en förenkling av två klasser. Ett försök gjordes för att hitta en skalfaktor för betjäningsintensiteten för att använda den en klass exponentiella modellen för att replikera de andra modellerna. Detta var tillräckligt framgångsrikt gjort med härledning och linjär regression. Optimeringen gjordes med en girig inställning. Det var beräkningsmässigt ef-fektivt, men kunde inte garantera global optimalitet.
Fikkan, Eirik. "Incremental loading of terrain textures". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for datateknikk og informasjonsvitenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-22992.
Pełny tekst źródłaSobnack, M. "Fluid loading and Anderson localisation". Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386879.
Pełny tekst źródłaOswell, J. E. "Fluid loading with mean flow". Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239158.
Pełny tekst źródłaAmadi, Hippolite Onyejiaka. "Glenohumeral kinematics and ligament loading". Thesis, Imperial College London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437763.
Pełny tekst źródłaLiang, Yue Hua. "Plated structures under blast loading". Thesis, Imperial College London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423293.
Pełny tekst źródłaEklund, Jörgen. "Industrial seating and spinal loading". Thesis, University of Nottingham, 1986. http://eprints.nottingham.ac.uk/11186/.
Pełny tekst źródłaKerr, Stuart Clifford. "Human induced loading on staircases". Thesis, University College London (University of London), 1998. http://discovery.ucl.ac.uk/1318004/.
Pełny tekst źródłaBurton, Jennifer. "Wind loading on conic roofs". Thesis, University of Newcastle Upon Tyne, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433158.
Pełny tekst źródłaBurgin, Leanne Victoria. "Impact loading of articular cartilage". Thesis, University of Aberdeen, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288339.
Pełny tekst źródłaBousdras, Vasileios. "Mechanical loading in implant dentistry". Thesis, Royal Veterinary College (University of London), 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439452.
Pełny tekst źródłaEl-Deeb, Khaled Mohamed Mahmoud. "Echinodome response to dynamic loading". Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/14778.
Pełny tekst źródłaUth, Tobias Hermann. "Hydrodynamic loading of deformable structures". Thesis, University of Cambridge, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648878.
Pełny tekst źródłaLidström, Viktor. "Mass Loading of Space Plasmas". Thesis, Luleå tekniska universitet, Rymdteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-62094.
Pełny tekst źródłaCunliffe, Richard I. (Richard Ian) Carleton University Dissertation Engineering Civil. "Proof-loading effects on lumber". Ottawa, 1988.
Znajdź pełny tekst źródłaNasseri, Azadeh. "Biomechanical Modelling of Knee Loading". Thesis, Griffith University, 2021. http://hdl.handle.net/10072/401352.
Pełny tekst źródłaThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School Allied Health Sciences
Griffith Health
Full Text
Wang, Kai Ph D. Massachusetts Institute of Technology. "Edge fracture of AHSS sheets under out-of-plane loading followed by in-plane loading". Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100151.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (pages 193-198).
In recent years edge fracture has become a challenge in the manufacturing industry with the dramatical increase in the application of light-weight materials such as Advanced High Strength Steels (AHSS) and aluminum alloys. A premature edge cracking is observed in components with blanked/trimmed/pierced edges during the subsequent metal forming process. To understand the underlying physical mechanism and to establish a reliable CAE model, the thesis carries out a comprehensive experimental and numerical investigation on edge fracture of a commercially available DP780 steel sheet. The study reveals that it is the substantial plastic deformation introduced during the out-of-plane sheet blanking process that compromises the material ductility within the Shear Affected Zone (SAZ), and subsequently causes the edge to fracture prematurely under the in-plane edge stretching. To simulate the fracture behavior under such a complex a loading path, the fracture initiation is modeled using the concept of a scalar damage indicator that consists of two parts which are accumulated at different stages. The first one is accumulated during the sheet blanking process, referred to as pre-damage, while the second part is produced by the following metal forming. In such a modeling frame work, a corner stone is to determine the first part of pre-damage within the SAZ. This is achieved by a hybrid experimental and numerical method. Aided by microscopic examinations on cracked surfaces, the study shows that the pre-damage distribution within the SAZ follows an exponential function that drops from the critical value of unity at the edge surface to zero over the width of the SAZ. The obtained pre-damage is then introduced as the initial damage value during the following metal forming process. Based on a detail experimental characterization, a plasticity and fracture model is introduced to describe the material behavior under investigation. The model is based on the von Mises yield condition, a non-associated Hill'48 flow potential and an isotropic hardening law, together with the MMC fracture locus description with dependence on both stress triaxiality and Lode angle parameter. The proposed model successfully predict edge fracture in numerical simulation.
by Kai Wang.
Ph. D.
Chini, Filippo. "Il problema "Air Cargo Loading Planning"". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/22231/.
Pełny tekst źródłaMeinshausen, Malte A. "Long-term chlorine loading prediction SiMCeL /". Zurich : IACETH, 2001. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=22.
Pełny tekst źródłaGilpin, Crystal Marie. "Cyclic Loading of Porcine Coronary Arteries". Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6912.
Pełny tekst źródłaGustafsson, Markus. "A Server for ARINC 615A Loading". Thesis, Linköpings universitet, Institutionen för datavetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-100443.
Pełny tekst źródłaNerenberg, Jeffery G. "Blast wave loading of polymeric foams". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0024/MQ50647.pdf.
Pełny tekst źródłaPark, Jin Young. "Pultruded composite materials under shear loading". Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/32865.
Pełny tekst źródłaTeng, Chin-Pun 1971. "Structural optomization under variable loading conditions". Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84440.
Pełny tekst źródłaIn this thesis, a novel approach is introduced. We first propose the use of the concept of stiffness ellipsoid, whose boundary defines the field of displacements of a structure subject to a load with a constant magnitude, but applied in an arbitrary direction. Based on the study of the stiffness ellipsoid, an optimality criterion that determines the worst case of the structure subject to a load with a given magnitude, but applied in an arbitrary direction, is proposed. The underlying ideas are applied to the structural optimization of the roller-carrying disk of a novel class of cam-follower speed-reduction devices---Speed-o-Cam (SoC). The optimum structures obtained in this thesis are compared with the existing prototype, which was designed using established design criteria only. Results indicate an improvement of almost twice the stiffness with a mass reduction of 40% of the original prototype.
Also reported in the thesis is a novel algorithm of mesh generation, named the contour mesh generation algorithm (CMGA). The CMGA, based on the concept of penalty functions, is applied throughout the examples given in the thesis and shows a great advantage in solving structural optimization problems.
Bolouri-Bazaz, Jafar. "Sand subject to biaxial cyclic loading". Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391711.
Pełny tekst źródłaHassan, Mohamed Amany Mohamed Ahmed. "Hydrodynamic loading and responses of submersibles". Thesis, University of Newcastle Upon Tyne, 2011. http://hdl.handle.net/10443/1285.
Pełny tekst źródłaMohamed, Hassan. "Hydrodynamic loading and responses of semisubmersibles". Thesis, University of Newcastle Upon Tyne, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556026.
Pełny tekst źródłaRen, Z. "Progressive fracturing under dynamic loading conditions". Thesis, Swansea University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638644.
Pełny tekst źródłaHuang, Fei, i 黄斐. "Optimal safety loading of reinsurance contracts". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46935289.
Pełny tekst źródłaTerrence, Peter. "TACTILE WORKING MEMORY AND MULTIMODAL LOADING". Doctoral diss., University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3584.
Pełny tekst źródłaPh.D.
Department of Psychology
Sciences
Psychology PhD
Karadimos, Antonis. "Numerical simulation of fibrous filter loading". Thesis, Heriot-Watt University, 2004. http://hdl.handle.net/10399/240.
Pełny tekst źródłaIoannou, Charikleia. "Helicase loading in Gram-positive Bacillus". Thesis, University of Nottingham, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442275.
Pełny tekst źródłaCurtis, Deborah Jane. "Ocean tide loading for geodetic applications". Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319963.
Pełny tekst źródłaKitney, Neil. "Hydrodynamic loading of catenary mooring lines". Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342219.
Pełny tekst źródłaChan, Siew Ngan. "Analysis of disks with friction loading". Thesis, University of Liverpool, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240397.
Pełny tekst źródłaRhodes, Anthony Hallett. "The dynamic loading of highway pavements". Thesis, University of Ulster, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336229.
Pełny tekst źródłaQUEVEDO, CLAUDIA PEREIRA. "ANALYSIS OF WAVEGUIDES WITH DIELECTRIC LOADING". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1991. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=8841@1.
Pełny tekst źródłaNeste trabalho são analisados os campos modais em guias circulares contendo em seu eixo um carregamento cilíndrico dielétrico uniforme ou corrugado, identificando propriedades destes campos úteis a aplicações no projeto de ressoadores, filtros e alimentadores. Com o objetivo de apresentar uma aplicação da análise dos guias circulares com carregamento dielétrico, é feita a análise de um ressoador dielétrico cilíndrico apresentando- se sua carta modal relacionando suas freqüências de ressonância com o carregamento dielétrico.
In this work the modal fields for circular waveguides with uniform or corrugated dieletric loads are analysed, and useful properties of these fields to applications such as ressonators, filters and antenna feeders are ecamined. As an application of the analysis of dieletric loaded circular waveguides, an algorithm is developed for the determination of ressonant frequencies of dieletric loaded ressonators, and the modal chart, relating ressonant frequencies to ressonator dimensions, is evaluated.
Epstein, Rafael 1961. "Linear programming and capacitated network loading". Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/10057.
Pełny tekst źródła