Дисертації з теми "Design stresses"
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Parvizian, Jamshid. "Shape design optimization using boundary elements." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267165.
Повний текст джерелаBond, Andrew John. "Behaviour of displacement piles in overconsolidated clays." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/7781.
Повний текст джерелаQuan, Yuyun 1973. "Finite element analysis of tumbling mill design and operating effects on liner bolt stresses, liner stresses and mill resonance." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=99012.
Повний текст джерелаHanna, Carl Robert. "Engineering Residual Stress into the Workpiece through the Design of Machining Process Parameters." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19813.
Повний текст джерелаJEFFREY, ROBERT GRAHAM JR. "ROCKBOLT ANALYSIS FOR REINFORCEMENT AND DESIGN IN LAYERED ROCK (COMPOSITE)." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187982.
Повний текст джерелаWamelen, Arend Andries van. "Optimal design and testing of laminated specimens to evaluate competing composite failure criteria." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-08042009-040517/.
Повний текст джерелаWillis, C. R. "Design of unreinforced masonry walls for out-of-plane loading /." Title page, abstract and table of contents only, 2004. http://web4.library.adelaide.edu.au/theses/09PH/09phw7342.pdf.
Повний текст джерелаMalm, Richard. "Shear cracks in concrete structures subjected to in-plane stresses." Licentiate thesis, KTH, Civil and Architectural Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4215.
Повний текст джерелаAfter only two years of service, extensive cracking was found in the webs of two light-rail commuter line bridges in Stockholm, the Gröndal and Alvik bridges. Due to this incident it was found necessary to study the means available for analysing shear cracking in concrete structures subjected to in-plane stresses. The aim of this PhD project is to study shear cracking with these two bridges as reference. In this thesis, the first part aims to study the possibility of using finite element analysis as a tool for predicting shear cracking for plane state stresses. The second part is concerning how the shear cracks are treated in the concrete design standards.
Shear cracking in reinforced beams has been studied with non-linear finite element analyses. In these analyses the shear cracking behaviour was compared to experiments conducted to analyse the shear failure behaviour. Finite element analyses were performed with two different FE programs Abaqus and Atena. The material model used in Atena is a smeared crack model based on damage and fracture theory with either fixed or rotated crack direction. The material model used in Abaqus is based on plasticity and damage theory. The fixed crack model in Atena and the model in Abaqus gave good results for all studied beams. For the two studied deep beams with flanges the results from the rotated crack model were almost the same as obtained with the fixed crack model. The rotated crack model in Atena gave though for some beams a rather poor estimation of the behaviour.
The calculation of crack widths of shear cracks has been studied for the long-term load case in the serviceability state for the Gröndal and Alvik bridges, with the means available in the design standards. The methods based on the crack direction corresponding to the principal stress and do not include the effect of aggregate interlocking seems to be too conservative. Two of the studied methods included the effect of aggregate interlocking, it was made either by introducing stresses in the crack plane or implicitly by changing the direction of the crack so that it no longer coincide with the direction of principal stress. For calculations based on probable load conditions, these methods gave estimations of the crack widths that were close to the ones observed at the bridges. Continuous measurements of cracks at the Gröndal and the Alvik bridges have also been included. Monitoring revealed that the strengthening work with post-tensioned tendons has, so far, been successful. It also revealed that the crack width variations after strengthening are mainly temperature dependent where the daily temperature variation creates movements ten times greater than those from a passing light-rail vehicle. Monitoring a crack between the top flange and the webs on the Gröndal Bridge showed that the top flange was moving in a longitudinal direction relative to the web until the strengthening was completed. The crack widths in the sections strengthened solely by carbon fibre laminates seem to increase due to long-term effects.
Peter, Geoffrey J. M. "Numerical simulation of CTE mismatch and thermal-structural stresses in the design of interconnects /." Full text open access at:, 2001. http://content.ohsu.edu/u?/etd,235.
Повний текст джерелаGraesser, Douglas Lee. "Design of laminated composite panels optimized for damage tolerance /." Thesis, Connect to this title online; UW restricted, 1993. http://hdl.handle.net/1773/7080.
Повний текст джерелаKulkarni, Vinod Dilip. "Integration of micromachined thermal shear stress sensors with microchannels : design, fabrication and testing /." Online version of thesis, 2005. http://hdl.handle.net/1850/5201.
Повний текст джерелаShoukr, Shoukry Latif. "Contact stresses in interference-fit joints with application to sugar-mill roller assemblies." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184928.
Повний текст джерелаPeng, Jun, and 彭军. "Strain gradient effects on flexural strength and ductility design of normal-strength RC beams and columns." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48329630.
Повний текст джерелаpublished_or_final_version
Civil Engineering
Doctoral
Doctor of Philosophy
Li, Felicia. "Study of Gear design Concept to Reduce Root Bending- & Contact Stresses for Automotive Transmission." Thesis, Karlstads universitet, Institutionen för ingenjörsvetenskap och fysik (from 2013), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-74532.
Повний текст джерелаDagens avancerade teknik inom fordonsindustrin kräver förbättrad precision hos konstruktioner inom olika områden. Forskning behövs för att möta kundernas efterfrågan och för att öka hållbarhet, effektivitet och tillförlitlighet. Detta är varför kontinuerlig utvecklingen av växellådssystem har varit ett hett ämne i många år. Kugghjulstransmission skall ha högt motstånd mot upprepande belastning som förekommer på tänderna och skall även ha en minimal energiförlust. Detta examensarbete siktar mot att stödja den fortsatta utvecklingen inom området genom en fallstudie, mer specifikt för att studera sju olika kugghjulsmodeller som behandlar ett parallellt spiralformade kugghjul. Målet med detta examensarbete är att studera ett kugghjulskoncept där en ring appliceras för att reducera rot- och kontaktspänningar. Utförandet sker genom att studera sju olika modeller, för att veta hur stor påverkan designen utgör. En eller två stödringstrukturer appliceras, eller att öka kuggbredden på det kugghjul som anses vara det mest kritiska för höga spänningar. Denna studie görs för att kugghjulstillverkaren ska vara i utvecklingens framkant och kunna konkurrera inom fordonsindustrin. M1 ären referens och standard designmodell, medan de andra modellerna (M2-M5/ P1-P3) är modifierade design där med ytterligare ringar eller ändrad kuggbredd. Simulering är en effektiv metod för att förstå och visualisera komplexiteten av komponenter inom växellådan. Ett finita elementmetodens program användes för att undersöka dessa modeller, genom att importera geometrierna till pre-processorn ANSA, där Abaqus 2017 användes som en lösare, där sedan resultaten extraheras från post-processorn META. För att stödja denna studien användes två av de sju FEM-modellerna till att valideras mot ett annat specialiserat kugghjulsprogram inom kuggberäkning som heter WindowsLDP. Detta med avsikt att fastställa simuleringsmodellernas robusthet. Det så kallade överföringsfelet, rotböjnings- och kontaktspänningarna var ingående parametrar som behandlades under valideringen. Modellerna M3-M5/P1-P3 introducerades, där rotböjsspänningen och kontaktspänningen reducerades med 1.2-4.4 och 0.07-4.3% när de jämfördes med M1. Överföringsfelet (TE) kunde skilja upp mot 85% mellan M2-M3 jämfört med M1. Ett systematiskt fel uppstod i modell M2, modellens robusthet kunde därmed ej fastställas, då modellens resultat bör övervägas noggrant. Införande av så kallade växelförskjutning, lutning/vippning parametrar, mikrogeometrier och profilmodifieringen relaterat till kronning och tipavlastning, kommer att genera minskade TE-mätningar samt rot- och kontaktspänningar för de spiralformade kugghjulen. Dessa ämne har ej studerats under detta examensarbete. LDP-resultaten visade högre värden relativt jämfört med de FEM resultat, där en trend kunde observeras. Slutsatsen föreslog att detta bör undersökas ytterligare i framtiden.
Jobe, Jeffrey M. "Blast resistant forced entrty [sic] steel stud wall design." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/5850.
Повний текст джерелаThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (January 23, 2007) Includes bibliographical references.
Zhong, Hai. "Dynamic Interaction of Vehicle and Bridge Subjected to Prestress Force Loss and Foundation Settlement." Diss., North Dakota State University, 2016. http://hdl.handle.net/10365/25662.
Повний текст джерелаWalker, John Griffith. "Investigation of induced strain actuator patches implementing modeling techniques and design considerations to reduce critical stress." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03042009-040453/.
Повний текст джерелаZhang, Zhiming. "An Integrated System for Road Condition and Weigh-in-Motion Measurements using In-Pavement Strain Sensors." Diss., North Dakota State University, 2016. http://hdl.handle.net/10365/25819.
Повний текст джерелаUSDOT (U.S. Department of Transportation)
MPC (Mountain-Plains Consortium)
Penketgorn, Thiwa. "Load and resistance factor design for wood structures." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/104535.
Повний текст джерелаHsia, Wei-Kung 1958. "DOUBLE ANGLE CONNECTION MOMENTS (RICHARD EQUATION, PRYING FORCE, BEAM-LINE THEORY, MOMENT ROTATION CURVE)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/291892.
Повний текст джерелаTharayil, Pradeep Ambareeksh, and Mohammadali Baradaran. "HPDC Die design for Additive Manufacturing : Simulation and Comparison of Thermal Stresses in HPDC die designed for Additive Manufacture." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Industriell produktutveckling, produktion och design, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-43319.
Повний текст джерелаTerdalkar, Sachin Sharad. "Graphically driven interactive stress reanalysis for machine elements in the early design stage." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0818103-192248.
Повний текст джерелаKeywords: Stress Analysis; Machine Design; Combined Approximation Reanalysis; Structural Reanalysis; Design Process; FEM; Finite Element Analysis. Includes bibliographical references (p. 88-97).
Cross, Benjamin Thomas. "Analysis of the AASHTO fatigue design provisions for welded steel bridge details using reliability theory." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 101 p, 2007. http://proquest.umi.com/pqdweb?did=1338919111&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Повний текст джерелаHwa, Ken. "Toward advanced analysis in steel frame design." Thesis, University of Hawaii at Manoa, 2003. http://proquest.umi.com/pqdweb?index=0&did=765960991&SrchMode=1&sid=1&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1209158261&clientId=23440.
Повний текст джерелаGuler, Erdogan. "A Methodology For Lining Design Of Circular Mine Shafts In Different Rock Masses." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615662/index.pdf.
Повний текст джерелаthick-walled cylinder&rdquo
equation to calculate the lining thickness required to prevent the development of a failure zone around shafts. At the end of this research, a computer program &ldquo
Shaft 2D&rdquo
is developed to simplify the lining thickness calculation process.
Paul, Jai P. "Sensitivity analysis of design parameters for trunnion-hub assemblies of bascule bridges using finite element methods." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001157.
Повний текст джерелаMason, Michael A. "A PRACTICAL TOOL FOR THE DETERMINATION OF SURFACE STRESSES IN RAILROAD BEARINGS WITH DIFFERENT CONTACT GEOMETRIES AND LOAD CONDITIONS USING FINITE ELEMENT ANALYSIS." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3663.
Повний текст джерелаMahaarachchi, Dhammika. "Behaviour and design of profiled steel cladding systems subject to pull-through failures." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15875/1/Dhammika_Mahaarachchi_Thesis.pdf.
Повний текст джерелаMahaarachchi, Dhammika. "Behaviour and Design of Profiled Steel Cladding Systems Subject to Pull-through Failures." Queensland University of Technology, 2003. http://eprints.qut.edu.au/15875/.
Повний текст джерелаFilomeno, Coelho Rajan. "Multicriteria optimization with expert rules for mechanical design." Doctoral thesis, Universite Libre de Bruxelles, 2004. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211184.
Повний текст джерелаConsequently, to solve these problems, the most wide-spread meta-heuristic methods are evolutionary algorithms (EAs), which work as follows: the best individuals among an initial population of randomly generated potential solutions are favoured and com-bined (by specific operators like crossover and mutation) in order to create potentially better individuals at the next generation. The creation of new generations is repeated till the convergence is reached. The ability of EAs to explore widely the design space is useful to solve single-objective unconstrained optimization problems, because it gener-ally prevents from getting trapped into a local optimum, but it is also well known that they do not perform very efficiently in the presence of constraints. Furthermore, in many industrial applications, multiple objectives are pursued together.
Therefore, to take into account the constrained and multicriteria aspects of optimization problems in EAs, a new method called PAMUC (Preferences Applied to MUltiobjectiv-ity and Constraints) has been proposed in this dissertation. First the user has to assign weights to the m objectives. Then, an additional objective function is built by linearly aggregating the normalized constraints. Finally, a multicriteria decision aid method, PROMETHEE II, is used in order to rank the individuals of the population following the m+1 objectives.
PAMUC has been validated on standard multiobjective test cases, as well as on the pa-rametrical optimization of the purge valve and the feed valve of the Vinci engine, both designed by Techspace Aero for launcher Ariane 5.
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Doctorat en sciences appliquées
info:eu-repo/semantics/nonPublished
Garapati, Sri Harsha. "Analysis of single fiber pushout test of fiber reinforced composite with a nonhomogeneous interphase." [Tampa, Fla] : University of South Florida, 2009. http://purl.fcla.edu/usf/dc/et/SFE0002951.
Повний текст джерелаGarapati, Sriharsha. "Analytical and Numerical Modeling of Assembly Procedures of Steel Fulcra of Bascule Bridges." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4490.
Повний текст джерелаПанченко, Д. О., та Блащук Н. В. "Переривчасті стрічкові фундаменти". Thesis, ВНТУ, 2018. http://ir.lib.vntu.edu.ua//handle/123456789/20972.
Повний текст джерелаEffective constructions of narrow foundation foundations of tape, namely, intermittent ribbon foundations, are considered. Positive and negative aspects of their use are assessed.
Diercks, David Robert. "Measurement of Lattice Strain and Relaxation Effects in Strained Silicon Using X-ray Diffraction and Convergent Beam Electron Diffraction." Thesis, University of North Texas, 2007. https://digital.library.unt.edu/ark:/67531/metadc3978/.
Повний текст джерелаCrane, Charles Kennan. "Shear and shear friction of ultra-high performance concrete bridge girders." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34745.
Повний текст джерелаNezamian, Abolghasem 1968. "Bond strength of concrete plugs embedded in tubular steel piles." Monash University, Dept. of Civil Engineering, 2003. http://arrow.monash.edu.au/hdl/1959.1/5601.
Повний текст джерелаDasgupta, Mitul. "Design Against Stress: Design's methodological approach of dealing with the issue of stress." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1282317515.
Повний текст джерелаUggla, Gabriel. "Pause — Stress Management." Thesis, Umeå universitet, Designhögskolan vid Umeå universitet, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-171773.
Повний текст джерелаNovotný, Lukáš. "Návrh a realizace experimentálního zařízení pro určování zbytkové napjatosti ohýbaných vzorků." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382570.
Повний текст джерелаCheng, Wentao. "In-plane shrinkage strains and their effects on welding distortion in thin-wall structures." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1124049585.
Повний текст джерелаTitle from first page of PDF file. Document formatted into pages; contains xx, 268 p.; also includes graphics (some col.). Includes bibliographical references (p. 256-268). Available online via OhioLINK's ETD Center
Engelsen, Frode. "Design-oriented gust stress contraints for aeroservoelastic design synthesis /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/9965.
Повний текст джерелаWang, Tianyi. "International students’ stress : Innovation for health-care service." Thesis, Linnéuniversitetet, Institutionen för design (DE), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-76296.
Повний текст джерелаPuidokas, Sabrina Michelle [Verfasser]. "Design of Highly Stressed Brazed Joints / Sabrina Michelle Puidokas." Aachen : Shaker, 2013. http://d-nb.info/1049384210/34.
Повний текст джерелаJacobsson, Malin. "A Stress Free Workplace : Spatially planned office space to diminish environmental stress." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-20007.
Повний текст джерелаEriksson, Alexander, and Veronica Flykt. "Concrete floor : Design of prefabricated pre-stressed hollow core slabs with verification through PRE-Stress and comparison with site-cast slab." Thesis, KTH, Byggteknik och design, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279158.
Повний текст джерелаDet vanligaste prefabricerade betongbjälklaget är håldäcksplattor som oftast är spännarmerade. Hur man dimensionerar dessa bärverksdelar finns idag inte samlat i en handbok där det står tydligt hur man gör, den kunskapen klassas generellt som expertiskunskap. Syftet var att ta fram hur man dimensionerar prefabricerade förspända håldäcksplattor, HD/F, och sedan skapa ett dimensioneringshjälpmedel som jämförs genom handberäkningar med PRE-Stress dimensioneringsprogram från StruSoft. Vidare genomfördes jämförande beräkningar för platsgjutet betongbjälklag för att se skillnader i materialmängd och konstruktionstjocklek under samma förutsättningar.Dimensioneringshjälpmedlet är inte komplett då vissa avgränsningar behövts göras. När det kommer till resultat har handberäkningar i jämförelse med PRE-Stress inte resulterat i identiska svar, men visat sig hamna på säkra sidan konsekvent genom dimensioneringen vilket tyder på att dimensioneringshjälpmedlet är fullt användbart. I jämförelsen med platsgjutet bjälklag kan man konstatera att förspända håldäcksplattor ger mindre betongvolym, slankare konstruktion och längre spännvidder men större armeringsmängd.
Kehler, Charlotte. "Stressa-Mindre - En studie om offentlig amning." Thesis, Malmö universitet, Fakulteten för kultur och samhälle (KS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-22970.
Повний текст джерелаThis study examines whether product design can be used to reduce the stress for mothers during public breastfeeding. The purpose of the study was to help mothers to stress down, and the goal was to produce a design proposal in the form of a product with the purpose to succeed in this.In order to succeed, user-centered design has been the basis for the used methods, utilizing interviews, observations and questionnaires. this have been performed on the target group consisting of new mothers. Furthermore, the study has required a market research to see which products already exist on the market. Norm creativity design has also been used to pay attention to the problem of public breast-feeding and to criticize the society regarding the current attitudes on this, but also to help progression of the study by creation of ideas.In conclusion the biggest cause of stress for the mothers during public breastfeeding is having to bare yourself in the company of others. Of course, it is not a problem for all mothers, but in this study the majority of the respondents on whom the study is based, had dread of this. The end product is a design proposal on how this problem could be solved. Since all individuals are different, have different requirements and opinions, not all are in need of such a product, but according to the study there is a target group needing such help.
Adnan, Md Asif, and Ahmed Shehata. "Stress Analysis Validation for Gear Design." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-16862.
Повний текст джерелаHopkinson, David P. "Development of stress gradient enhanced piezoelectric composite unimorph actuators." Thesis, Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/16372.
Повний текст джерелаFalkirk, Isabella. "Under Pressure." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20701.
Повний текст джерелаProgram: Modedesignutbildningen
Valdivia, Sharon. "Harmoni - more than just a lamp." Thesis, Linnéuniversitetet, Institutionen för design (DE), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-67150.
Повний текст джерела