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Dissertations / Theses on the topic 'Stricture analysis of seat'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Seigler, Thomas Michael. "A Comparative Analysis of Air-inflated and Foam Seat Cushions for Truck Seats." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/9702.

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A comprehensive comparison between an air-inflated seat cushion designed for truck seats and a commonly used foam cushion is provided, using a single-axis test rig designed for dynamic seat testing. Different types of tests are conducted in order to evaluate various aspects of each type of cushion; in terms of their response to narrow-band (single frequency) dynamics, broadband input of the type that is commonly used in the trucking industry for testing seats (ISO2), and a step input for assessing the damping characteristics of each cushion. The tests were conducted over a twelve-hour period -

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2

Gambel, Ray, David Lundy, William Murphy, and Southmost Consulting. "Analysis of Transportation Alternatives for Ejection Seat Training." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/7068.

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EMBA Project Report<br>EXECUTIVE SUMMARY Student Military Aviators who complete primary flight training at Training Wing FOUR and select jets for their advanced training track will require Naval Aviation Survival Training Program (NASTP) Class 1 training until the T-6B replaces the T-34C as the primary flight training aircraft. This Class 1 training instructs students in ejection seat equipment and procedures for emergency egress of their new aircraft. Of the eight available Aviation Survival Training Centers (ASTC) Training Wing FOUR sends its students exclusively to NAS Pensacola. Training

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3

Sun, Xuan. "Analysis and vibration improvements of a forwarder seat." Thesis, KTH, Maskinkonstruktion (Inst.), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-143638.

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I skogsbruket är både förare och fordon utsatta för höga vibrationsnivåer. Stolen i dagens skotare är en av de viktigaste delarna för att kunna isolera föraren från helkroppsvibrationer (WBV). Idag är de flesta stolarna tillverkade utifrån lastbilskrav. Generellt är dessa stolar inte avsedda för den hårda skogsmiljön, särskilt de stora lateral- och rollrörelserna, och på grund av stora lateralkrafter går de ofta sönder efter en kort tids användning.För att bestämma det dynamiska beteendet och förbättra dagens stolar har en befintlig skotarstol, Be-Ge 3100 med Ponsses reglage och armstöd, analy

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4

Chen, Cenan, and Rong Fan. "Vehicle Seat Structure Play Analysis and Method Development." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-17251.

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With the development of the vehicle industry and the innovation of technology, driving experience is improving in all aspects. Volvo is more and more focusing on improving the comfort of driving. Part of this is to minimize squeaks and rattle (S&R) from vehicle seats. A physical measurement method was studied from component level in this thesis. The communication with the supplier has helped to better understand the definition and measurement method of play. Based on the previous work from Volvo and the supplier, a new improved algorithm has been developed to suit current production demand

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5

Rasmussen, David N. Ruegger Keith L. "A functional analysis of DoD implementation of seat management /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA371340.

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Thesis (M.S. in Information Technology Management) Naval Postgraduate School, September 1999.<br>"September 1999". Thesis advisor(s): William James Haga, Matthew S. Feely. Includes bibliographical references (p. 87-89). Also Available online.

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6

Rasmussen, David N., and Keith L. Ruegger. "A functional analysis of DoD implementation of seat management." Thesis, Monterey, California. Naval Postgraduate School, 1999. http://hdl.handle.net/10945/26566.

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Approved for public release; distribution is unlimited<br>This study explores the use of seat management as a method of overcoming the difficulty of procuring, managing and maintaining information technology. Seat management, also known as desktop outsourcing, involves the acquisition and management of all hardware and software, desktop and network management, operations management, support services and technology refreshment into one concise contract managed by a vendor who specializes in IT. The findings of this functional analysis, focusing on seat management, total cost of ownership and as

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7

Gunston, Thomas Peter. "The sensitivity analysis of a suspension seat dynamic model." Thesis, University of Southampton, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274069.

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8

Yates, Keegan M. "Protection of Rear Seat Occupants Using Finite Element Analysis." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/101082.

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The majority of car crash deaths occur in the front seats because the majority of occupants sit in the front seats. Traditionally, the rear seats were safer than the front seats because a front seated occupant would be closer to rigid structures such as the steering wheel, and they would be closer to the location of the impact. Therefore, government crash test regulations as well as academic and industry testing up to this point have principally focused on the front seats. Since the beginning of efforts to make cars safer, innovations were applied to the front seats first. Only some of these s

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9

Tasker, Lorna Helen. "Seat shape acquisition, analysis & optimisation for pressure ulcer prevention." Thesis, Swansea University, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678383.

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10

Petkar, Prasad. "Design and analysis of seat and restraint systems for crash simulation." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1174318691.

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11

Bhonge, Prasannakumar S. "A methodology for aircraft seat certification by dynamic finite element analysis." Diss., Wichita State University, 2008. http://hdl.handle.net/10057/2069.

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Dynamic aircraft seat regulations are identified in the Code of Federal Regulations 1(CFR), 14 CFR Parts 23.562 and 25.562 for crashworthy evaluation of a seat in a dynamic environment. The regulations specify full-scale dynamic testing on production seats. The dynamic tests are designed to demonstrate the structural integrity of the seat to withstand an emergency landing event and occupant safety. The Society of Automotive Engineers (SAE) standard, AS8049, supports detailed information on dynamic seat testing procedures and acceptance criteria. Full-scale dynamic testing in support of certifi

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12

Bhonge, Prasannakumar Lankarani Hamid M. "A methodology for aircraft seat certification by dynamic finite element analysis /." A link to full text of this dissertation in SOAR, 2008. http://hdl.handle.net/10057/2069.

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Wichita State University, College of Engineering, Dept. of Mechanical Engineering<br>"December 2008". Copyright 2008 by Prasannakumar Bhonge. All Rights Reserved Includes bibliographic references (leaves 156-158).

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13

Agustin, Charlotte. "County seat battles and the 1851 Mahoning County jail : an architectural analysis /." Connect to online version, 1997. http://hdl.handle.net/1989/3743.

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14

Hahnel, Christopher. "Analysis of Bolted Top and Seat Angle Connection Failure Modes & Fracture Prediction." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1447688781.

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15

Pettersson, Josefine, and Johanna Colling. "Analysis of Customisation in a Modular System : Development of a New Seat Solution." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-44747.

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Today there is a shift from mass production to mass customisation due to changing customer needs in the global market. This thesis report analyses customisation in a modular system through a case study in the truck industry with focus on development of a new seat solution. The customer requests showed a demand for one to two additional seats in the cab. In order to answer to various customer needs, companies implement modular product development principals which enables them to produce in a rapid speed, minimize costs, increase performance and produce a high mix of products. The established RQ

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16

Thiyagarajan, Prasanna B. "Non-linear finite element analysis and optimization for light weight design of an automotive seat backrest." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1233080753/.

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17

Chelikani, Abhinand. "Simulation of a backrest moment test for an automotive front seat using nonlinear contact finite element analysis." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1202409952/.

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18

Gulavani, Omkar Vitthal. "Non-linear finite element analysis led design of a novel aircraft seat against certification specifications (CS 25.561)." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/8352.

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Seeking to quench airliners’ unending thirst for lightweight, reliable and more comfortable seating solutions, designers are developing a new generation of slim economy – class seats. Challenge in front of the designers is to carve out additional “living space”, as well as to give a “lie – flat” experience to air travellers with strict adherence to safety regulations. Present research tries to address all these industry needs through an innovative and novel “Sleep Seat”. A generous angle of recline (40 degree), movement of “Seat Pan” along the gradient, fixed outer shell of backrest, and uniqu

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19

Bullock, Kenneth F. "Navy Marine Corps Intranet : an analysis of its approach to the challenges associated with seat management contracting." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FBullock.pdf.

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20

Ryndzionek, Roland. "New concept, implementation and analysis of the multicell piezoelectric motor for the control of the car seat position." Phd thesis, Toulouse, INPT, 2015. http://oatao.univ-toulouse.fr/15755/1/Ryndzionek.pdf.

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The research works in the frame of the dissertation have been carried out with the cooperation between the University INP - ENSEEIHT - LAPLACE (Laboratory on Plasma and Conversion of Energy), Toulouse, France, and the Gdańsk University of Technology, Faculty of Electrical and Control Engineering, Research Unit Power Electronics and Electrical Machines, Gdańsk, Poland. The main scope of the dissertation was following: development a novel concept, implementation and analysis of the multicell piezoelectric motor (MPM) for the control of the car seat position. The new concept of the MPM is based o

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21

Wallace, Kyle B. "Where the Action Is: An Analysis of Partisan Change in House of Representatives Open Seat Elections, 2000-2014." DigitalCommons@USU, 2015. https://digitalcommons.usu.edu/etd/4249.

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Open seat House of Representatives elections are an area that has not received the same attention as seats with incumbents, despite open seats traditionally providing more interesting results. This research examines partisan change in open seat House races from 2000-2014 in order to determine whether previous research is still applicable in light of changing behavior of open seats in the 2000s. This research found that since 2004 partisan change has occurred more often with incumbents being defeated and not due to open seats. A logit model was used with partisan change as the dichotomous depen

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22

Ruffley, Daniel J. "A Finite Element Approach for Modeling Bolted Top-and-Seat Angle Components and Moment Connections." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1304448809.

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23

Berry, Thomas Davis. "Experimental analysis of specific auditory-light safety belt reminder systems and safety belt behavior: "prods" or "prompts"." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/43833.

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Safety belt reminder systems are ubiquitously present in most, if not alI automobiles sold in the United States. Past research has found that the effectiveness of these reminder systems have shown minimal social benefit in the effort to increase safety belt use. The current investigation was conducted to determine if modified reminder systems could improve safety belt use. This research used an electronically equipped research vehicle sponsored by General Motors Corporation. The vehicle's research equipment allowed for the manipulation of different auditory reminder stimuli (i.e., chime, buzz

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24

Silva, Marcelo Haddad. "An analysis of the factors that influence per-seat, on-demand air taxi operational costs using very light jets." Instituto Tecnológico de Aeronáutica, 2006. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=2914.

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Currently, business aviation is giving rise to a new market in aeronautical industry: the on-demand, per-seat air taxi service. Improved technology, higher efficiency and lower airport fees (due a transition to secondary airports) have promoted the use of business jets as a more popular means of transportation. In this model, Very Light jets offer an alternative option for distances flown by regular airlines or even traveled by automobiles. Several established manufacturers such as EMBRAER and Cessna have launched products to capture a market share of this new segment. There are also newer c

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25

Cabuk, Vuslat. "Modeling And Analysis Of Customer Requirements From A Driver." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609231/index.pdf.

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In vehicles one of the most important components which affect comfort of the driver and the purchasing decision is the driver&rsquo<br>s seat. In order to improve design of a driver seat in a leader company of automotive sector, a comprehensive analysis of customer expectations from the driver seat is performed with a cross functional team formed by representatives of design, marketing, production, quality and services departments. In this study, collection of customer voice data and development of an exceptional &ldquo<br>customer satisfaction estimation model&rdquo<br>using these data are pr

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26

Hickey, John. "Flying by the seat of your pants and magic behind doors : an interpretative phenomenological analysis of difficult decision making in clinical practice." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/5522.

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Introduction The process of decision making has been widely studied within different academic paradigms. Many theories and models have been developed from this research activity. However, there is a lack of in-depth research on individuals’ experience of decision making. The present research explores this topic with Clinical Psychologists. This group of professionals are trained to be expert in a specific discipline, which emphasises the need for making informed judgements and for justifying decisions. Objectives To provide an in-depth account of how Clinical Psychologists experience decision

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27

Roig-Watnik, Steven M. "A Retrospective-Longitudinal Examination of the Relationship between Apportionment of Seat Time in Community-College Algebra Courses and Student Academic Performance." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/826.

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During the past decade, there has been a dramatic increase by postsecondary institutions in providing academic programs and course offerings in a multitude of formats and venues (Biemiller, 2009; Kucsera & Zimmaro, 2010; Lang, 2009; Mangan, 2008). Strategies pertaining to reapportionment of course-delivery seat time have been a major facet of these institutional initiatives; most notably, within many open-door 2-year colleges. Often, these enrollment-management decisions are driven by the desire to increase market-share, optimize the usage of finite facility capacity, and contain costs, especi

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28

Abdel-Fattah, Yahia. "The mechanics of valve cooling in internal-combustion engines : investigation into the effect of VSI on the heat flow from valves towards the cooling jacket." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4333.

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Controlling the temperature of the exhaust valves is paramount for proper functioning of engines and for the long lifespan of valve train components. The majority of the heat outflow from the valve takes place along the valve-seat-cylinder head-coolant thermal path which is significantly influenced by the thermal contact resistance (TCR) present at the valve/seat and seat/head interfaces. A test rig facility and experimental procedure were successfully developed to assess the effect of the valve/seat and seat/head interfaces on heat outflow from the valve, in particular the effects of the valv

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29

Macdonald, David. "The President's Party at the Midterm: An Aggregate and Individual-Level Analysis of Seat Loss and Vote Choice in U.S. House Elections." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5809.

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This thesis provides a comprehensive analysis of midterm U.S. House elections using a multi-level research design. At the aggregate-level, multiple regression analysis is used to examine the variables that affect seat loss for the president's party. This integrates, updates and extends the extant literature of the topic, and offers a means of explaining and predicting seat losses by the president's party in the U.S. House. To further probe the findings at the aggregate-level, the thesis develops a pooled cross-sectional model of individual-level vote choice in midterm U.S. House elections u

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30

Gulavani, Omkar Vitthal. "Comparative assessment of implicit and explicit finite element solution schemes for static and dynamic civilian aircraft seat certification (CS25.561 and CS25.562)." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/10387.

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Due to the competitive nature of airline industry and the desire to minimise aircraft weight, there is a continual drive to develop lightweight, reliable and more comfortable seating solutions, in particular, a new generation slim economy seat. The key design challenge is to maximise the “living space” for the passenger, with strict adherence to the ‘Crash Safety Regulations’. Cranfield University is addressing the needs of airliners, seat manufactures and safety regulating bodies by designing a completely novel seat structure coined as “Sleep Seat”. A generous angle of recline (40 degree), mo

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31

Krombach, Patricia A. "Effects of Stability Balls on Children with Autism Spectrum Disorder." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6107.

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Children with ASD often display behavior problems that can lead to daily academic and social disruptions. Many teachers and therapists have sought to create classroom interventions that improve the length of time a child stays seated and focused on the required task. This has led to the introduction of stability balls as an alternative seating method for children, both on the autism spectrum and with other needs. This study used a multiple baseline design and duration data to evaluate the effects of stability ball seating on attending and in-seat behavior for children with ASD who received ABA

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32

Smith-Kea, Nicola D. "Saving a Seat for a Sister: A Grounded Theory Approach Exploring the Journey of Women Reaching Top Policing Executive Positions." Antioch University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1602155481211166.

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33

Swart, Charles Scott. "A FORENSIC INVESTIGATION OF PAVEMENT PERFORMANCE ON INTERSTATE 86 IN OLEAN, NEW YORK." Ohio University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1154729958.

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34

Gergeľ, Erik. "Deformačně-napěťová analýza sklápěcího mechanismu předního sedadla." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231306.

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This master thesis deals with creation of computational model for stress - strain analysis of front car seat folding mechanism. The calculation has been done using FEM for static and dynamic load case. The results displayed the critical area of mechanism and determined the value of force when the safety of mechanism is not guaranteed and the force when the mechanism failure occurs. According to results from both load cases was made a statement that is necessary to model the dynamic load cases respecting the load time course.

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35

Lembo, Sara. "The 1996 UK ARbitration Act and the UNCITRAL Model Law: a contemporary analysis." Doctoral thesis, Luiss Guido Carli, 2010. http://hdl.handle.net/11385/200848.

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Arbitration as an alternative method of settling dispute. The development of Arbitration Law in England. The Arbitration Act 1996 versus the UNCITRAL Model Law: an objective and comparative analysis. Recent trends in International Commercial Arbitration: an empirical analysis.

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36

Crozet, Martial. "Analyse tribologique du contact siège-soupape d'un moteur diesel." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI106.

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Au sein du moteur diesel, le contact siège-soupape est l’un des rares contacts secs. Cette absence de lubrification couplée avec la répétition des cycles de combustion (500 millions) et les conditions sévères de fonctionnement (pression de combustion de 18 MPa) l’expose à des dégradations importantes. Celles-ci se matérialisent par des enlèvements de métal au niveau de la soupape d’admission, aboutissant à terme à des fuites de gaz et au dysfonctionnement du moteur. Dans ce contexte, l’objectif est de comprendre les mécanismes de dégradation du contact siège-soupape, afin d’identifier les para

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37

Mohelník, Ladislav. "Kořeny moravské urbanistické struktury." Doctoral thesis, Vysoké učení technické v Brně. Fakulta architektury, 2014. http://www.nusl.cz/ntk/nusl-233261.

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The thesis has been written on the basis of main architectural concepts and their application in real life within a historical context investigation. Main architectural concepts are represented in a harmony of architectural composition that deals with relations among form, structure and space in the unique art work. Genius loci play very important role in the architectural creation - it represents a special and extra-ordinary urban locality and its architectural value in the historical, geographical and cultural context. The origin of Ostravice village within the historical frame concept of Mo

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38

Liu, Bo-Chen, and 劉柏辰. "Baby Seat Holder Mold Flow Analysis." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/11023447944921398651.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>102<br>Stroller is foldable in recent market, the major advantage is to easy carry out. For the safety consideration, baby stroller is made of metal. Because the hard working and overweight of metal, we use plastic material to reduce total weight of stroller and easy to formation into multi style through creative idea. This research is stroller cushion set, the length :670mm, width:120mm, height:195. We choose two types of stroller, one is solid, the other is hollow. Moldex3D R12 software is used to simulate plastic injection process, the material MIM_316、PA6

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Huang, Yu-Jen, and 黃毓仁. "Crashworthiness Analysis of Light Aircraft Seat." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/94068401244168315527.

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碩士<br>淡江大學<br>航空太空工程學系碩士班<br>99<br>As for the pursuit of flight speed and efficient time, the flight safety remains a concern. During the flight, the passenger restraint system comes from two parts: 1. seat belts; 2. seat. Structural strength of the seats is the main system to protect all the passengers and the crew. In order to improve the survival rate of the crew and passengers when the plane crash, the seats must withstand a certain degree of impact. Therefore, FAA developed a standard of the flight seat to ensure the passengers’ safety. The main purpose of this paper is to discuss the use

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40

Lu, Wei-tong, and 陸衛東. "The seat management strategies and benefit analysis of High-speed railway - A case study of reserved seat and non-reserved seat." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/5rtyrv.

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碩士<br>國立中山大學<br>高階經營碩士班<br>97<br>Abstract In the past, seats on the management of the research focuses on exploring the best logical way for seats assignment to ensure the revenue maximizing, it’s rarely to consider in the faces of management pressure and services requirement. Hence, this thesis will take a survey through market research studies to identify the reason of the shift of passenger from Non-reserved Seating to Reserved seating or the increase of rider-ship caused by the lower fare of Non-reserved Seating. After fully collection of the requirement of passengers and the consideratio

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41

Kuo, Chin-Ho, and 郭進和. "Rear Impact Test and Analysis of Competition Seat." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/38091775230432502649.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>92<br>This research is about strength analyses of the competition seats which were made by composite materials. In order to meet the standard of the rear impact tests required by FIA （Fédération Internationale de l''Automobile）, we tried to improve the strength of the competition seats. By using the finite element analysis software, ABAQUS, for simulation, the more detailed information of the acceptable acceleration of the seats would be obtained. Moreover, we increased the thickness of the seats both uniformly and locally to see if the strength of the seats will be

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42

Mhaskar, Nauman A. L. "Analysis and optimization of a crashworthy helicopter seat." 2008. http://hdl.handle.net/10106/925.

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SHIH, YING-CYUAN, and 施英全. "Analysis and Design of Seat Mechanism in Welcab." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/562h46.

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碩士<br>國立臺北科技大學<br>機械工程系機電整合碩士班<br>107<br>The seat-mechanism due to the limited space and the different internal dimensions of the vehicle, most of the vehicle seat mechanisms are multi-degree of freedom or the single degree of free-dom requires the user to move the sit-position.In this study, the seat-mechanism was designed for the welfare car, and the multi-degree of freedom was simplified to single degree of freedom and the seat-movement-process was maintained at the ground-level to facilitate the elderly or the elderly to self-transfer to inside and outside of the vehicle.Through the path-

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44

Dai, Mingsian, and 戴銘賢. "Impact Simulation and Analysis of Aircraft Seat and Occupant." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/91670981196671757213.

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碩士<br>國立屏東科技大學<br>車輛工程系所<br>102<br>The objective of this research is to investigate the design of aircraft seat and occupant safety using finite element method. A commercial code ANSYS is used to establish the finite element model, including aircraft seats and dummies. The impact analyses of 14 g and 16 g deceleration are performed to simulate the emergency landing of the aircraft based on the safety regulation of transport airplane prescribed from Federal Aviation Administration, called title 14 code of federal regulations part 25 sec. 25.562. The finite element model of aircraft seat include

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Shrivastava, Apurva. "Dynamic Behavior Analysis of Off-Road Mining Vehicle Seat." Thesis, 2017. http://ethesis.nitrkl.ac.in/8957/1/2017_MT_AShrivastava.pdf.

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Drivers of the vehicles particularly of the off road vehicles such as the mining trucks, agricultural tractors, vehicles used in forestry and in constructions are exposed to intense vibrations and shocks due to the uneven and irregular terrains in which they are operated. The driver when exposed to such vibrations is unable to ride comfortably and this also reduces the efficiency of the driver. It is also known that if the driver continuously works under the environment having vibration frequency in the range of 0.5-80 Hz then he will have persistent health problems such as back pain, spine pr

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CHIU, YU-KANG, and 邱煜康. "Finite Element Analysis of Composite Material Seat Post of Bicycle." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/umxz37.

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碩士<br>南亞技術學院<br>機械工程系機械與機電工程碩士班<br>105<br>Leisure, sports, travel accounted for 60.5% of all riders, bicycle safety, lightweight and comfort is the goal of all riders, thus, composite material seat post under the seat of bicycle is selected as the object of study. Composite material modeling of Femap is utilized to calculate the equivalent elastic and shear modulus, and then using COMSOL to do finite element analysis to analytic the most common materials for manufacturing bicycle: carbon fiber (Carbon), chromium molybdenum (SCM430) and Aluminum Alloy (6061T6). The aims are to find out the

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Chung, Wei-Chang, and 鐘尉彰. "Design and Analysis of aLifting Seat Mechanism for Disabled Person." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/72647553711096421742.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>95<br>Design and Analysis of a Lifting Seat Mechanism for Disabled Person Abstract Based on the psychology of the human, the disabled people are always hoping that they can enter/exit the car by themselves without assistance of other people. This thesis developed a seat lift mechanism for the disabled in small cars. First, a configuration design of the seat lift is proposed based on the mechanism synthesis theory. Parallelogram linkages are used to maintain the horizontal position of the seat, and crank-slider mechanisms are used to lift/down the seat. Crank-slider

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Huang, Ying-Hao, and 黃英豪. "Electromyographic analysis on lower extremity in different cycling seat positions." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/45140620082184850329.

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碩士<br>國立臺灣師範大學<br>運動科學研究所<br>98<br>Purpose: The purpose of this study was to investigate the Electromyography (EMG) on lower extremity in different cycling seat positions based on different seat tube angles (STA). Methods: Twenty healthy college students (age 24.15 ± 2.13 yrs; height 170 ± 8.58 cm; weight 62.16 ± 2.13 kg) were recruited in this study. Fifteen different cycling seat positions including 3 different heights (90%, 95%, 100% of leg length) and 5 different forward/backward position were investigated. Result: 1. The activation of the Rectus femoris decreased accompanied by increasing

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Ho, Li-Chung, and 何立中. "Parametric Design and Analysis of a Seat Mechanism for Welfare Vehicles." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/06088667622966752482.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>95<br>This thesis proposes a new seat mechanism design to assist disabled people getting on and off welfare vehicles. The seat mechanism, designed by means of parametric design and analysis, has capabilities of rotating, lifting, and separating/joining. The two-way-seat can be fastened in the car as a vehicle seat, or separates from the mechanism as a wheelchair. The linkages of four wheels of the two-way-seat can be moved to the storage position such that space occupation inside the vehicle can be reduced. In addition, an integrated parametrical program is develope

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Huang, Chun-Shuo, and 黃俊碩. "Design and Analysis of a Vehicle Seat Lift for the Disabled." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/68982383622845647932.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>94<br>This thesis developed a vehicle seat lift for the disabled. At the beginning of the design process, a configuration design of the seat lift is proposed. The parametric design method is then used for the detail design of the seat lift during the design process. The vehicle seat lift is mounted on the rotate plate of the seat base. The seat base is fixed on the car floor, and can provide the slide and rotate motions for the seat. The lifting mechanism is driven by a motor that connects to a gearbox, which connects to two shafts. The power transmits from each of

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