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Dissertations / Theses on the topic 'Hydraulic engineering structures'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Skolds, Dan Michael. "Alluvial stream bed adjustments downstream of hydraulic structures." Thesis, Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/19435.

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2

Hinton, Jackson Daniel. "Corrosion of Hydraulic Steel Structures and Preventive Measures." Thesis, Mississippi State University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10978643.

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<p> Hydraulic steel structures (HSS) are key components of U.S. Army Corps of Engineers infrastructure and are subject to corrosive environments, unpredictable loadings, and extreme conditions. Corrosion can take many forms and can cause costly damage to HSS due to inadequate design of protective measures. There are numerous forms of corrosion that have a negative effect on HSS, as well as material properties that need consideration when designing HSS preventive measures. Understanding corrosion and providing proper preventive measures is crucial for HSS. Proper maintenance and repair of these

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3

Auckland, Adam. "Flow and hydraulic efficiency of vertical intake structures." Thesis, University of Ottawa (Canada), 2008. http://hdl.handle.net/10393/27618.

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This thesis presents the results of an extensive experimental investigation into the hydraulic efficiency of a vertically-oriented water intake. Water supplied from rivers and reservoirs is usually drawn through intakes. Under low submergence conditions, the operation of an intake is associated with the formation of surface vortices, which result in flow reduction and the downstream entrainment of air and swirl. The experimental work considered the fact that vortex formation is governed by the geometrical characteristics of the intake (e.g. diameter, shape, submergence, surrounding boundary, e

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4

Faghihirad, Shervin. "Modelling of flows through hydraulic structures and interaction with sediment." Thesis, Cardiff University, 2014. http://orca.cf.ac.uk/62107/.

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A three-dimensional layer integrated morphodynamic model has been developed to predict the hydrodynamic, sediment transport and morphological processes in a regulated reservoir. The model was based on an existing sediment transport model, with improvements being made. A bed evolution module based on the mass balance equation has been developed to determine the bed level change due to sediment transport. The horizontal eddy viscosity coefficient was equated to the depth averaged eddy viscosity, based on the horizontal velocity distribution while the vertical eddy viscosity coefficient was evalu

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5

Putrus, P. K. "Investigation of low cost hydraulic structures using rock protected slopes." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373983.

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6

Howe, Edmund. "Hydraulic Assessment of Notched River Training Structures on a Portion of the Lower Mississippi River Using the Adaptive Hydraulics Model." Thesis, Mississippi State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10275634.

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<p> River training structures are widely used to create and maintain navigable waterways, to restore rivers and channels in a more stable condition, to promote environmental benefits, and to protect people and infrastructure from damages or floods. Few historical datasets on the changes and impacts in secondary waterbodies resulting from notched river training structures are available for the Lower Mississippi River. Access to the notched training structures on the Lower Mississippi River remains difficult and inhibits data collection for monitoring efforts. This increases the need for alterna

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7

Nouri, Younes. "The impact of hydraulic bores and debris on free standing structures." Thesis, University of Ottawa (Canada), 2008. http://hdl.handle.net/10393/28010.

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As tsunami waves travel towards the shoreline, they may break offshore and runup the shore as a hydraulic bore. Recorded videos from the December 26, 2004 Indian Ocean Tsunami show that tsunami waves transformed into a hydraulic bore that propagated onshore with considerably high velocity. Large pieces of debris such as boats were carried up to four kilometers inland. The 2004 December Indian Ocean Tsunami severely affected communities bordering the Indian Ocean, including the coasts of Indonesia, India, Sri Lanka, Thailand, the Maldives Islands, as well as the littoral zones of several West A

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8

Elliott, Kim S. "Stresses at weld toes in tubular joints in offshore structures." Thesis, University of Nottingham, 1987. http://eprints.nottingham.ac.uk/14027/.

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The accurate prediction of stress concentration factors (SCF) at weld toes is recognised as one of the most important factors in the design, against fatigue failure, of welded tubular joints in offshore structures. The objectives of this work are i) to study the influence of some important tubular joint and weld profile geometric parameters on the elastic SCFs at weld toes, ii) compare these values with strains which could be measured by strain gauges, and iii) to determine plastic-elastic strain distributions after local yielding has occurred in the weld. Using 3-d frozen-stress, photoelastic

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9

Alvarez, Martinez Fernando Manuel. "Modelling the impact of coastal defence structures on the nearshore morphodynamics." Thesis, Cardiff University, 2016. http://orca.cf.ac.uk/99018/.

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Coastal areas are heavily populated in countries around the world and are a source of economic activity, both recreational and industrial. Waves and tides interact with sediments in a dynamic equilibrium which leads to coastal morphological changes at different temporal and spatial scales. Natural or human-induced changes in this equilibrium may lead to an alteration of the coastline causing environmental or economic impacts. Coastal defences are often needed in order to protect specific areas and reduce such impacts. Therefore, understanding the impact that coastal defence structures have on

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10

Armitage, Neil Philip. "A unit stream power model for the prediction of local scour." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52716.

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Thesis (PhD)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT: Local scour is the erosion of a riverbed resulting from the flow of the river around an obstacle. It is a principal cause of failure of bridges and other hydraulic structures. Current design practice relies on the use of empirical formulae that are often extremely inaccurate, or on the use of physical models that are very expensive. Recent advances in the power of microcomputers have however made numerical simulation increasingly attractive. One obstacle to numerical simulation though is that there is no general agreement

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11

Underwood, J. "Strength assessment of damaged steel ship structures." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/355704/.

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In 2012 106 vessels over 100 gross tonnes were lost. During the damage incidents many of these vessels required assistance from shore based emergency response services with regards to their damaged strength to stabilise the situation, preserve life, prevent environmental disaster and limit financial costs to owners and insurers. The research work presented in this Engineering Doctorate Thesis surrounds the strength assessment of damaged steel ship structures, the influence of damage on the strength of steel-plated structures and methods for assessing the residual strength of a vessel in an eme

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12

Phillips, Holly Jacqueline. "Assessment of damage tolerance levels in FRP ship structures." Thesis, University of Southampton, 1997. https://eprints.soton.ac.uk/361131/.

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This work is concerned with the damage tolerance assessment of laminated composite structures used in ship structures. An intensive review has been carried out with regard to current experimental, analytical and numerical work on both laminates and structural elements. Particular attention has been focused on the problem of damage due to delamination and its structural consequences. Strength assessments of top hat stiffeners and tee joints has been carried out with a view to identifying regions most susceptible to delaminations. It has been shown that such regions are contained within the curv

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13

Bester, J. W. "Steps as hydraulic roughness elements in segmentally lined tunnels." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/53062.

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Thesis (MEng)--University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: Segmentally lined tunnels are increasingly being built to transfer water from one water scheme to another. The segments that line such tunnels are often in the form of pre-cast concrete sections, which are placed around the perimeter of the tunnel. As these tunnels are very expensive to construct, it is imperative that their hydraulic capacities can be calculated accurately. Even a slight variation in the design diameter has a significant effect on the cost of the tunnel. Due to the construction method involved, alter

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14

Trimarchi, Daniele. "Analysis of downwind sail structures using non-linear shell finite elements : wrinkle development and fluid interaction effects." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/348893/.

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Downwind yacht sails are subjected to fluid structure interaction effects which can slightly change the initial design shape, with a direct impact on the overall performances. The turbulent flow acting on downwind sails is separated for the larger part of the device, with large vortices and recirculating regions. The sail is made of a thin fabric, the deformation of which is affected by wrinkling, which produces out-of-plane oscillations of the surface of the fabric, and locally changes the stress/strain distribution. Because of the interactions of these fluid and structural phenomena, the det

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15

Zhou, Juntao. "Numerical investigation of breaking waves and their interactions with structures using MLPG_R method." Thesis, City University London, 2010. http://openaccess.city.ac.uk/1083/.

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Meshless Local Petrov-Galerkin method based on Rankine source solution (MLPG_R) has been developed by Dr. Qingwei Ma (Ma, 2005b) and has been used to simulate the nonlinear water wave problems in 2D cases without the occurrence of the breaking waves. In this thesis, MLPG_R method has been further developed to numerically simulate breaking waves and the interactions between breaking waves and structures in 2D and 3D cases. The main difference between this meshless method and conventional mesh-based methods is that the governing equations are solved in terms of particle interaction models, witho

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16

Hamedi, Amirmasoud. "Advanced Characterization of Hydraulic Structures for Flow Regime Control: Experimental Developement." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3369.

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A good understanding of flow in a number of hydraulic structures, such as energy dissipators, among others, is needed to effectively control upstream and downstream flow conditions, for instance, high water depth and velocity to ensure, scouring, flow stability and control scouring, which is thus crucial to ensuring safe acceptable operation. Although some previous research exists on minimizing scouring and flow fluctuations after hydraulic structures, none of this research can fully resolve all issues of concern. In this research, three types of structures were studied, as follows: a) a verti

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17

柴華 and Hua Chai. "Hydraulics of a three-dimensional supercritical flow diversion structure." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31225640.

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18

Baykara, Ali. "Effect Of Hydraulic Parameters On The Formation Of Vortices At Intake Structures." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615341/index.pdf.

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The aim of this experimental study was to investigate the hydraulic conditions at which air-entraining vortices would form in front of horizontal intakes and to determine the ways of eliminating the formation of these vortices by testing anti-vortex devices. For these reasons, a series of experiments were conducted in an experimental setup composed of a reservoir having the dimensions of 3.10 m x 3.10 m x 2.20 m and a pump connected to the intake pipe. Within the reservoir, between the concrete side walls adjustable plexiglass side walls were placed to provide the desired wall clearance for th

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19

Thompson, Seth D. "Reservoir Applications of Arced Labyrinth Weirs." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7700.

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In recent years, magnitudes of flood estimates used in hydraulic design have increased for many reservoirs. Consequently, many existing spillways are now deficient as they do not meet current discharge capacity requirements. To rehabilitate existing, fixed-width spillways, labyrinth weirs are often viable solutions. For reservoir applications, arcing labyrinth weirs into the reservoir increases hydraulic efficiency. This results from better cycle orientation to the approaching flow field. This study supplements available arced labyrinth weir hydraulic data by observing flow characteristics of

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20

Chai, Hua. "Hydraulics of a three-dimensional supercritical flow diversion structure /." Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2515154x.

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21

Chukwuka, Echezonachukwu Chukwuemeka. "Risk based design, maintenance and inspection of marine and offshore structures, with particular reference to fatigue analysis." Thesis, Liverpool John Moores University, 2011. http://researchonline.ljmu.ac.uk/6019/.

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22

Naghash, Mahmood. "Steady turbulent gas desorption in a horizontal pipeline." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/19006.

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23

Eriksson, Daniel. "Numerical models for degradation of concrete in hydraulic structures due to long-term contact with water." Licentiate thesis, KTH, Betongbyggnad, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-225125.

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The durability of concrete is of major concern in all types of concrete structures where the combined effect of exposure conditions and the type and quality of the concrete material usually determines the rate of degradation. Furthermore, there are synergy effects between different deterioration mechanisms, which means that the combined rate of degradation is higher than the sum of the individual rates of each mechanism. Therefore, to accurately predict the residual service life of existing structures or when designing new structures, it is essential to consider all these aspects. This means t

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24

Aybar, Akin. "Computational Modelling Of Free Surface Flow In Intake Structures Using Flow 3d Software." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614377/index.pdf.

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Intakes are inlet structures where fluid is accelerated to a certain flow velocity to provide required amount of water into a hydraulic system. Intake size and geometry affects the formation of flow patterns, which can be influential for hydraulic performance of the whole system. An experimental study is conducted by measuring velocity field in the hydraulic model of the head pond of a hydropower plant to investigate vortex formation. Vortex strength based on potential flow theory is calculated from the measured velocity field. It was shown that vortex strength increases with the submergence F

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25

Gurbuzdal, Ferhat Aral. "Scale Effects On The Formation Of Vortices At Intake Structures." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611126/index.pdf.

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In the present study, possible scale effects on the formation of air-entraining vortices at horizontal intakes are studied experimentally. Basic dimensionless parameters that govern the onset of vortices at a horizontal intake in a model and a prototype are stated by dimensional analysis. Series of experiments are conducted on four intake pipes of different diameters located in a large reservoir. The relationship of critical submergence ratio with other dimensionless parameters is considered for a given Froude number and it is found out that the critical submergence ratio is affected by model

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26

Jain, Arun K. "Finite depth seepage below flat apron with end cutoffs and a downstream step." Doctoral diss., University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4939.

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Design curves for uplift pressure at key points, exit gradient factor and seepage discharge factor have been presented in terms of non-dimensional floor profile ratios.; Hydraulic structures with water level differences between upstream and downstream are subjected to seepage in foundation soils. Two sources of weakness are to be guarded against: (1) percolation or seepage may cause under-mining, resulting in the collapse of the whole structure, and (2) the floor of the apron may be forced upwards, owing to the upward pressure of water seeping through pervious soil under the structure. Many ea

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27

Van, Den Heever Arende Daniel De Waal. "An investigation of the use of groynes as a means of riverbank erosion protection." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79973.

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Thesis (MScEng)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Groynes are hydraulic structures typically constructed from gabions to extend from the outer bank of a river channel into the main flow. The principal uses for groynes are as river training structures, and to protect the riverbank from erosion. This is done by deflecting the current away from the riverbanks, dissipating energy and creating lower flow velocity zones, reducing the effects of erosion. Groynes have been used extensively in the Western Cape since the early 1990s as a means to protect agricultural lands. There

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28

Grigalavičius, Antanas. "UAB „Raseinių žuvininkystė″ ūkinės veiklos ir hidrotechnikos statinių būklės analizė." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20090114_155033-37606.

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UAB ,,Raseinių žuvininkystės“ tvenkiniai suformuoti 1967-1979 m. Jie išsidėstę trijose vietose: šalia Gabšių gyvenvietės – Raseinių tvenkinių kompleksas, maitinamas Prabaudos upės vandeniu; Upės upelio slėnyje įrengtas Paupio tvenkinių kompleksas aukščiau apie 1 km nuo Paupio gyvenvietės ir tarp Šešuvio ir jo intako Alsos esančioje teritorijoje. Bendras tvenkinių plotas 1042 ha. Tvenkininė žuvininkystė vis labiau pradeda įsitvirtinti tarp kaimo verslų, nors sovietmečiu pastatytuose žuvininkystės tvenkiniuose su mechaniniu vandens kėlimu vandens apykaitai tvenkiniuose palaikyti reikalingos dide

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29

Smith, Heather Dianne. "Flow and sediment dynamics around three-dimensional structures in coastal environments." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1196261689.

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30

Davis, Gary Stanley. "A laboratory investigation of a rock riprap control structure in an open channel." Thesis, Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/21006.

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31

Makusa, Gregory Paul. "Mechanical properties of stabilized dredged sediments : for sustainable geotechnical structures." Licentiate thesis, Luleå tekniska universitet, Geoteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17437.

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Dredging activities at Ports and Harbors are inevitable for the safe navigation of ships and vessels. Dredged material may range from very fine and contaminated sediments to sand and gravels. While, granular dredged material can be directly utilized in civil engineering applications, fine sediments may require further treatment before use. In geotechnical context, fine sediments are characterized by low shear strength and high compressibility. However, these unfavorable properties do not rule out the suitability of these fine dredged sediments for use in geotechnical construction, such as, roa

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32

Skominas, Rytis. "Aplinkos poveikio sukeltų pažaidų įtaka hidrotechnikos statinių patikimumui ir remonto ilgaamžiškumui." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20090115_105148-90205.

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Šio darbo tikslas – įvertinti CC1 pasekmių klasės hidrotechnikos statinių konstrukcijų patikimumą įtakojančius pagrindinius veiksnius bei konstrukcijų remonto metodus, užtikrinančius statinių ilgaamžiškumą. Statant hidrotechnikos statinius Lietuvoje pagrindinių konstrukcijų gamybai buvo naudojamas gelžbetonis, kuriam dabar yra apie 30 – 50 metų. Pastaruoju metu, CC2 ir CC3 pasekmių klasės hidrotechnikos statinių techninė priežiūra ir einamasis remontas yra atliekami periodiškai, tačiau dauguma CC1 pasekmių klasės statinių yra apleisti. Minėti statiniai yra reikšmingi įvairių sistemų bei hidr

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33

Mesquita, Marcio 1980. "Avaliação dos componentes hidraulicos e do material filtrante em filtros de areia utilizados na irrigação." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256945.

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Orientador: Roberto Testezlaf<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agricola<br>Made available in DSpace on 2018-08-15T18:38:36Z (GMT). No. of bitstreams: 1 Mesquita_Marcio_M.pdf: 2438272 bytes, checksum: 82069e6658df10bdc4e42bc8a5723a16 (MD5) Previous issue date: 2010<br>Resumo: Filtros de areia são equipamentos recomendados no tratamento de água de irrigação em sistemas localizados, na presença de materiais orgânicos e inorgânicos. Contudo, o pouco conhecimento disponível na literatura e as informações técnicas dispersas, que não chegam ao

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34

Hellgren, Rikard. "Condition assessment of concrete dams in cold climate." Licentiate thesis, KTH, Betongbyggnad, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-259719.

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Dams in many countries are approaching their expected service life. Proper assessment of the aging dams structural health increase the knowledge of the current safety, and allow for better planning of renovation and rebuilding investments. The behavior of concrete dams is, to a great extent, governed by the ambient variation in temperature and water level. In cold regions, the ice sheet formed in the reservoir may subject a pressure load on the dams. Theoretically, this load has a significant impact on the structural behavior of dams. Despite this, the maximum magnitude, as well as the seasona

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35

Saleh, Naseer Ahmed. "Investigation of reciprocating internal combustion engine structure response and vibration transmission using a hydraulic simulation technique." Thesis, University of Southampton, 1987. https://eprints.soton.ac.uk/52287/.

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The success of theoretical engine noise prediction, using such techniques as finite element modelling, is highly dependent upon the understanding of the various mechanisms of noise generation in the running engine. The forcing mechanism of an operating engine is complicated as it involves a large number of forces taking place simultaneously or in rapid succession at various positions in the structure. A number of test methods have been developed to simulate individually each one of these loading mechanisms on non-running engines. These test methods are reviewed in this thesis with an objective

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36

Stewart, Robert L. III. "DECELERATING OPEN CHANNEL FLOW OVER GRAVEL: TURBULENCE STRUCTURE & SENSOR DEVELOPMENT." UKnowledge, 2014. http://uknowledge.uky.edu/ce_etds/25.

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This dissertation describes investigations of fully turbulent decelerating hydraulically roughbed flow over gravel and the development of technology to measure turbulence and associated sediment transport in streams. Theory is developed for predicting velocity distributions in simple uniform flow using the asymptotic invariance principle and tested using laboratory and field collected data. A mixed scale is developed that accounts for bed derived turbulent structures throughout the flows depth and is used to parameterize the external boundary’s effect on the flow for the logarithmic and outer

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37

Baret, Christophe Marc Eric. "The effect of structure slope and packing arrangement on the hydraulic stability of geotextile sand container revetments." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79919.

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Thesis (MScEng)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Innovative and versatile coastal protection structures made of Geotextile Sand Containers (GSCs) are increasingly being incorporated into coastal management solutions because of their cost effective and environmentally friendly characteristics. This is as opposed to conventional ‘hard’ coastal protection solutions that utilise rocks and or concrete units to protect the coastline. With GSC structures being a relatively new coastal protection solution, few design and construction guidelines are available. Research into the beh

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38

Lambert, Luke. "Efficient probabilistic structural response prediction for aircraft turbulence and offshore wave loading." Thesis, University of Liverpool, 2015. http://livrepository.liverpool.ac.uk/2010819/.

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This thesis takes an interdisciplinary approach to the problem of the aleatory uncertainty manifest in the design of engineering structures that are subject to random loading, with specific application to continuous gust loading on aircraft and wave loading on offshore structures. The main focus is on aircraft gust loading because this is the area in which more significant progress is made. A review of the literature on gust loading is carried out to evaluate the sufficiency of existing methods and the possibility of a unified certification model is discussed. In order to obtain reliable proba

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39

Zhang, Xi. "Multi-model method for simulating 2D surface-piercing wave-structure interactions." Thesis, City, University of London, 2018. http://openaccess.city.ac.uk/19772/.

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Wave-structure interactions play an important role on the design and maintenance of coastal and offshore constructions. Computational Fluid Dynamics (CFD) is a convenient tool for analyzing wave-structure interactions in costal and offshore engineering. The potential model and the viscous model are traditional mathematical models for wave-structure interactions, which have disadvantages in computational robustness, when they are applied individually. Therefore, recently, more and more multi-model methods are used for coupling the viscous model and the potential model together. So far, in the e

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40

Larson, John P. "Design of a Magnetostrictive-Hydraulic Actuator Considering Nonlinear System Dynamics and Fluid-Structure Coupling." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1402566309.

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41

Nagaraj, H. B. "Prediction Of Engineering Properties Of Fine-Grained Soils From Their Index Properties." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/209.

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Prediction as a tool in engineering has been used in taking right judgement in many of the professional activities. This being the fact, the role and significance of prediction in geotechnical practice needs no emphasis. Bulk of all man made structures are either made of soil or are resting on natural soil, involving large quantities of soil. Thus, it is often necessary for the geotechnical engineer to quickly characterize the soil and determine their engineering properties, so as to assess the suitability of the soil for any specific purpose. Obtaining these properties requires undisturbed sa

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Nagaraj, H. B. "Prediction Of Engineering Properties Of Fine-Grained Soils From Their Index Properties." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/209.

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Prediction as a tool in engineering has been used in taking right judgement in many of the professional activities. This being the fact, the role and significance of prediction in geotechnical practice needs no emphasis. Bulk of all man made structures are either made of soil or are resting on natural soil, involving large quantities of soil. Thus, it is often necessary for the geotechnical engineer to quickly characterize the soil and determine their engineering properties, so as to assess the suitability of the soil for any specific purpose. Obtaining these properties requires undisturbed sa

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43

Reali, Andrea. "Potentialities of Unmanned Aerial Vehicles in Hydraulic Modelling : Drone remote sensing through photogrammetry for 1D flow numerical modelling." Thesis, KTH, Byggvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234306.

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In civil and environmental engineering numerous are the applications that require prior collection of data on the ground. When it comes to hydraulic modelling, valuable topographic and morphology features of the region are one of the most useful of them, yet often unavailable, expensive or difficult to obtain. In the last few years UAVs entered the scene of remote sensing tools used to deliver such information and their applications connected to various photo-analysis techniques have been tested in specific engineering fields, with promising results. The content of this thesis aims contribute

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Mancilla, Alarcón Cristhian A. "Hydrodynamic loadings and responses of a floating guardwall a fluid-structure interaction problem /." Master's thesis, Mississippi State : Mississippi State University, 2005. http://library.msstate.edu/content/templates/?a=72.

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Janousek, Miroslav, and Thibault Burnotte. "A Study of a Volvo CE Articulated Hauler’s Hydraulic Tank : Validation of a Finite-Element Model Taking the Fluid-Structure Interaction into Account." Thesis, Linnéuniversitetet, Institutionen för maskinteknik (MT), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-76542.

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This scientific work is dedicated to the study of the impact of vibrations on the Volvo A60 articulated hauler’s hydraulic tank taking fluid-structure interaction into account. In this work, a theoretical background is presented in order to give the reader a basic awareness of the given problem together with a detailed description of the methods used during the examination of the above mentioned hydraulic tank. To perform an analysis of the finite-element model, ANSYS software was used while ANSA and META were used as the pre- and post-processor. Matlab was used in order to compare the obtaine

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Elgazzar, Hesham. "End-Shield Bridges for High-Speed Railway : Full scale dynamic testing and numerical simulations." Licentiate thesis, KTH, Bro- och stålbyggnad, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-204774.

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The increasing need for High-Speed Railway (HSR) to reduce the travelling time requires increasing research within this field. Bridges are main components of any railway network, including HSR networks, and the optimization of their design for this purpose would contribute to a faster and more cost effective development of the HSR network. The initial investment, the running and maintenance costs of the bridges can be decreased through better understanding of the their dynamic behaviour. This thesis studies the dynamic behaviour of end-shield railway bridges under HSR operation. 2D beam analys

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Pulle, Doreen. "Investigation of the sudden air release up the airshaft of the Berg river dam bottom outlet structure during emergency gate closure using numerical modelling methods." Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/17798.

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Thesis (MScEng)--Stellenbosch University, 2011.<br>ENGLISH ABSTRACT: The design of the Berg River Dam bottom outlet structure with multitude draw offs was based on various hydraulic model tests on a 1:40 model that was used for original design and a 1 in 20 physical model which was used to produce the final design. These tests indicated no foreseeable malfunction and showed that the 1.8 m² air vent would provide sufficient air flow to minimize the negative pressures that would develop behind the emergency gate during its closure or opening. However, during the first trial commissioning of the

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Sjah, Jessica. "Couplage SPH-DEM pour l'étude de l'érosion dans les ouvrages hydrauliques." Phd thesis, Ecole Centrale de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-01000447.

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L'érosion est un phénomène d'arrachage et de transport de particules solides par des efforts hydrauliques au sein des ouvrages hydrauliques. Cette pathologie très représentée dans les ouvrages en terre peut conduire à la rupture, aussi, la comprendre et la maîtriser constituent des enjeux sociétaux et industriels très forts. L'érodabilité des matériaux se caractérise au travers notamment d'un essai dit d'érosion de conduit et sa modélisation numérique constitue le pivot de ce travail de thèse. Le phénomène d'érosion est un problème couplé entre le fluide et le solide et nous utiliserons deux c

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Yang, Xuejun. "3D numerical modeling of the turbulent flow in hydraulic structures /." 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3270057.

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Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.<br>Source: Dissertation Abstracts International, Volume: 68-07, Section: B, page: 4683. Adviser: Marcelo H. Garcia. Includes bibliographical references (leaves 105-107) Available on microfilm from Pro Quest Information and Learning.

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Barton, Andrew F. "Friction, roughness and boundary layer characteristics of freshwater biofilms in hydraulic conduits." Thesis, 2006. https://eprints.utas.edu.au/19236/1/whole_BartonAndrewF2007_thesis.pdf.

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Hydraulic conduits are vulnerable to deterioration in their carrying capacity over time due to biofilm development and accumulation on internal surfaces. It is generally recognised that this is brought about by an increase in the effective roughness of the surface in contact with water. However, the detailed mechanisms by which biofilms affect the flow are poorly understood. This thesis presents the findings from a multifaceted research program to investigate wall friction, roughness and boundary layer characteristics of freshwater biofilms in hydraulic conduits. Field investigations in

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