Academic literature on the topic 'Arch shape'

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Journal articles on the topic "Arch shape"

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Kou, Chang Huan, Ming Chang Yang, Shih Wei Ma, and Tsung Ta Wu. "An Investigation into the Earthquake Reaponses of Special-Shaped Arch Bridges." Applied Mechanics and Materials 117-119 (October 2011): 328–31. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.328.

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By building a finite element model of a special-shaped arch bridge, this paper discusses the effects of the changes of the geometric shape, and the skewed angle of the girder and arch on the dynamic characteristics. In addition, this paper analyzes the longitudinal earthquake responses using the response spectrum method. The results show that when longitudinal earthquakes occur, all geometric shapes, and skewed angles of the girder and arch exhibit different levels of effect on the horizontal and vertical deformations of the girder and the arch, the internal forces of the arch, the girder, and
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Rivera, Sandra, Francia Triana, Libia Soto, and Antonio Bedoya. "Form and size of the dental arches in a school population of Amazonian’s aborigines." Colombia Medica 39, no. 1.Supl.1 (2008): 51–56. http://dx.doi.org/10.25100/cm.v39i1.supl.1.564.

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Objective: The purpose of this study was to determine dental archs’ shape, and to describe differences in transversal dimensions and archs’ depths in mixed dentition, in order to know occlusal harmony arrangement in a native student population from Leticia, Amazonas, Colombia. Methods and materials: A cross-sectional study with 64 students (32 boys and 32 girls) distributed in two groups: 31 students with early mixed dentitions and 33 students with belated mixed dentitions between 6 and 12 years old was carried out. Studied variables were measured from plaster cast study models. Results: Oval
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Tarigan, Theresia, and Ismet Danial Nasution. "Alveolar arch shapes and its relation to complete denture retention." Journal of Syiah Kuala Dentistry Society 5, no. 1 (2021): 30–36. http://dx.doi.org/10.24815/jds.v5i1.18426.

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The alveolar ridge consists of denture bearing mucosa, sub-mucosa and periosteum, and residual alveolar bone. After tooth extraction, the remaining alveolar bone undergoes a remodeling process that leads to morphological reduction and alteration, which results in the change in alveolar ridge forms. However, it does not change alveolar arch shapes. This literature review aimed to analyze the relationship of alveolar arch shapes with complete denture retention. According to House (1958), alveolar arch shapes classified into three classes: Class I-square, Class II-tapering, Class III-ovoid. Those
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Kairalla, Silvana Allegrini, Giuseppe Scuzzo, Tarcila Triviño, Leandro Velasco, Luca Lombardo, and Luiz Renato Paranhos. "Determining shapes and dimensions of dental arches for the use of straight-wire arches in lingual technique." Dental Press Journal of Orthodontics 19, no. 5 (2014): 116–22. http://dx.doi.org/10.1590/2176-9451.19.5.116-122.oar.

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INTRODUCTION: This study aims to determine the shape and dimension of dental arches from a lingual perspective, and determine shape and size of a straight archwire used for lingual Orthodontics. METHODS: The study sample comprised 70 Caucasian Brazilian individuals with normal occlusion and at least four of Andrew's six keys. Maxillary and mandibular dental casts were digitized (3D) and the images were analyzed by Delcam Power SHAPET 2010 software. Landmarks on the lingual surface of teeth were selected and 14 measurements were calculated to determine the shape and size of dental arches. RESUL
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Tamayo-Quintero, J. D., J. B. Gómez-Mendoza, and S. V. Guevara-Pérez. "DentalArch: AI-Based Arch Shape Detection in Orthodontics." Applied Sciences 14, no. 6 (2024): 2567. http://dx.doi.org/10.3390/app14062567.

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Objective: This study aims to introduce and assess a novel AI-driven tool developed for the classification of orthodontic arch shapes into square, ovoid, and tapered categories. Methods: Between 2016 and 2019, we collected 450 digital dental models. Applying our inclusion and exclusion criteria, we refined our dataset to 50 models, ensuring a focused and detailed analysis. Plaster casts were digitized into 3D models with AutoScan-DS-EX. Three trained evaluators then measured mesiodistal and arch widths using MeshLab. The development of DentalArch was undertaken in two versions: the first versi
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Nie, Zhihua, Chao Fu, Yongfeng Yang, and Jiepeng Zhao. "Transient Dynamic Response of Generally Shaped Arches under Interval Uncertainties." Applied Sciences 14, no. 13 (2024): 5918. http://dx.doi.org/10.3390/app14135918.

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This paper endeavors to investigate the characteristics of the transient dynamic response of a generally shaped arch when influenced by uncertain parameters while being subjected to specific external excitation. The equations of motion of the generally shaped arches are derived by the differential quadrature (DQ) method, and the deterministic dynamic responses are calculated using the Newmark-β method. By employing the Chebyshev inclusive function, an interval method based on a non-intrusive polynomial surrogate model is developed, and the uncertain dynamic responses are reckoned by enabling n
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Baral, Prakash, Rami Shrestha, Subash Sapkota, Sapana Koju, and Binod Chaudhari. "A Study of Anatomical Shape of arch projected by Alveolar Process of Maxillary and Mandibular Bone." Journal of Gandaki Medical College-Nepal 13, no. 2 (2020): 164–68. http://dx.doi.org/10.3126/jgmcn.v13i2.30222.

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Introduction: Maxilla and Mandible have an alveolar process that bears socket for root of teeth. When the teeth fall or gets extracted there is resorption of alveolar process. The teeth alignment determines the shape of alveolar process. The objectives of the study was to assess the distribution pattern of anatomical shape of arch projected by alveolar process in Maxilla and Mandible and to compare the anatomy of arch amongst the population of Aryan and Mongoloid communities.
 Methodology: A total number of 856 people with intact anatomy of alveolar arch were included in the study. Anatom
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Pugliese, Fernando, Juan Martin Palomo, Louise Resti Calil, Arthur de Medeiros Alves, José Roberto Pereira Lauris, and Daniela Garib. "Dental arch size and shape after maxillary expansion in bilateral complete cleft palate: A comparison of three expander designs." Angle Orthodontist 90, no. 2 (2019): 233–38. http://dx.doi.org/10.2319/020219-74.1.

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ABSTRACT Objective: The objective of this study was to compare the effects on upper dental arch size and shape after maxillary expansion with Hyrax, Quad-helix, and a differential opening expander in bilateral cleft lip and palate (BCLP) patients. Materials and Methods: Seventy-five BCLP patients were divided into three groups: Hyrax (H), Quad-helix (QH), and Expander with differential opening (EDO). Digital models were obtained before (T1) and after 6 months (T2) of maxillary expansion. Twelve landmarks were placed by one investigator on T1 and T2 dental models of each group, and x,y coordina
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Lee, Byoung Koo, Gweon Sik Kim, Sang Jin Oh, and Tae Eun Lee. "Free Vibrations of Tapered Horseshoe Circular Arch with Constant Volume." Applied Sciences 10, no. 16 (2020): 5431. http://dx.doi.org/10.3390/app10165431.

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This paper presents free vibrations of the tapered horseshoe circular arch with a constant volume. The volume of the arch is constant, and the cross-sectional shape of the arch is square and circular. The taper function of the arch is a quadratic function. Differential equations with the boundary conditions that govern the free vibration of such arches are derived and numerically solved to calculate natural frequencies and mode shapes. The natural frequencies of this study agree well with those of the finite element ADINA. Parametric studies of the geometrical and cross-sectional properties of
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Arévalo Pinedo, Cindy Minelly, and Guido Alberto Perona-Miguel de Priego. "Relación entre espacios primate y la forma de arcos dentarios en niños de 3 a 6 años. Un estudio transversal." Revista Científica Odontológica 12, no. 3 (2024): e204. http://dx.doi.org/10.21142/2523-2754-1203-2024-204.

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The objective of this study was to determine the relationship between primate spaces and the dental arches shape in kids from 3 to 6 years of age, from the I.E. Inicial Niño Jesús de Praga in Moyobamba, Peru, during the 2023 school year. Materials and methods: This prospective, traverse, descriptive and observational study was made up of 237 participants, who were examined using a clinical file where the findings were recorded based on, he absence or presence of primate spaces and the shape of the dental arch was classified as oval, square or triangular. A univariate analysis of frequency and
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Dissertations / Theses on the topic "Arch shape"

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Borget, Gisela Lilian. "Variation in arch shape and dynamics of shape change from infancy to early childhood." Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/5421.

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Introduction: In order to properly diagnose and treatment plan, an orthodontist needs to be knowledgeable about the changes that occur to the maxillary and mandibular dental arches throughout growth. The purpose of this study is to provide an analysis of morphological shape differences seen in the maxillary and mandibular dental arches individually, as well as together, from birth to 3 years of age. Methods: Dental casts from the Iowa Infant Growth study ranging from 2 months to age 4 were photographed in the occlusal plane. The images were landmarked with 3 standard landmarks and 10 sliding s
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Varner, Taylor Blake. "Landmark-based approach to examining changes in arch shape: a longitudinal study." Thesis, University of Iowa, 2015. https://ir.uiowa.edu/etd/1783.

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Objective: Variation in dental arch shape and arch relations from the primary to the permanent dentition were studied in an untreated longitudinal sample from the Iowa Fluoride Study and Growth Study data (55 females and 63 males). Methods: 3D coordinate data from 68 landmarks located on maxillary, mandibular, and occlusal dental cast scans from ages 5, 9, and 13 were submitted to a Procrustes fit prior to a Principal Component (PC) analysis to capture symmetric and asymmetric aspects of arch shape variation. Covariance pattern models were used to determine longitudinal arch shape changes from
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Tan, Fengjie [Verfasser], and Tom [Akademischer Betreuer] Lahmer. "Shape Optimization Design of Arch Type Dams under Uncertainties / Fengjie Tan ; Betreuer: Tom Lahmer." Weimar : Bauhaus-Universität Weimar, 2019. http://d-nb.info/1193423937/34.

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Lowe, Nathan John. "Theoretical Determination of Subcritical Sequent Depths for Complete and Incomplete Hydraulic Jumps in Closed Conduits of Any Shape." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2702.pdf.

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Miyazaki, Yusuke. "Fundamental study on seismic behavior of hinge types of precast arch culverts in culvert longitudinal direction." Kyoto University, 2019. http://hdl.handle.net/2433/242475.

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Totková, Lucie. "Lávka pro pěší přes řeku Bečvu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240273.

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The aim of this thesis is the design of curved footbridge across the river Bečva. Curved footbridge consists of a supporting steel arch, which brings the steel struts to the steel arch under the concrete deck. The steel arch with crosspieces is coupled with concrete deck using the coupling pins. The deck is formed from reinforced concrete. Structural model is carried out in a computer program ANSYS. The structural design is handled in accordance with applicable European standards. The design considers pedestrians load and temperature effects.
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Houšť, Vladimír. "Tenkostěnné přesypané konstrukce." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-234547.

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The thesis is devoted to analysing of flexible buried arch structures. Modelling of the flexible concrete arch is carried out via a nonlinear finite element model that accounts for soil constitutive relations, soil-structure interactions, sequential construction stages and soil compaction. Advanced FE-model was verified by measurement obtained by full-scale field testing of two buried arches. Mathematical optimization methods of genetic algorithms and Levenberg-Marquardt method are applied to already calibrated complex computational models in order to reduce bending and associated flexural str
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Bezručová, Kristína. "Lávka pro pěší přes lagunu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372296.

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The aim of this thesis is the design and analysis of pedestrian bridge across the lagoon. Three variants were designed. The variant of structure, which combines stress ribbon with steel arches, was chosen for analysis. There is a chapter in this thesis which deals with an ideal shape of arches for different types of loads. The calculation of load effects was made in software Ansys 17.0, considering scnstruction stages. Ultimate limit state and state limit state are evaluated. For evaluation of concrete cross sections was used MS Excel. Steel cross sections were evaluated in software Ansys 17.0
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Velešík, Marek. "Obloukový most přes údolí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409784.

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The main focus of this master thesis is the design and assessments of the bridge structure consist of a stress ribbon supported by a steel arch. Three preliminary studies of pedestrian bridges above the valley were created and the one with semi-through deck supported by arch through cables was chosen to detail processing. This thesis includes a chapter, which deals with finding the ideal shape of arch. The computational beam model for the analysis of the structure was created in software Ansys Mechanical including the construction stages. The correctness of the computational model was verified
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Sakne, Matiss. "Structural design and performance of tube mega frame in arch-shaped high-rise buildings." Thesis, KTH, Bro- och stålbyggnad, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-210024.

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A recent development and innovation in elevator technologies have sprawled interest in how these technologies would affect the forms and shapes of future high-rise buildings. The elevator that uses linear motors instead of ropes and can thus travel horizontally and on inclines is of particular interest. Once the vertical cores are no longer needed for the elevators, new and radical building forms and shapes are anticipated. It is expected that the buildings will have bridges and/or the buildings themselves will structurally perform more like bridges than buildings, therefore this study address
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Books on the topic "Arch shape"

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Siewert, T. A. Fusion line shape versus toughness in HY-80 GMA welds. U.S. Dept. of Commerce, National Bureau of Standards, 1986.

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Laux, Barbara. Claude III Audran, Arbiter of the French Arabesque. Amsterdam University Press, 2024. http://dx.doi.org/10.5117/9789463729284.

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Claude III Audran, Arbiter of the French Arabesque is the first substantial biographical study of Claude III Audran, a late 17th- and early 18th-century master of ornament and a proponent of cutting-edge design who took inspiration from contemporary sources. This work investigates Audran’s accomplishments and the factors that impacted the longevity and arc of his successful career, taking into consideration the contextual variables that influenced and shaped his work. Audran’s achievements bridge an important period with the eclipse of the Guild Maîtrise and the rise of the Académie royale. Au
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Levine, Mara. Shape of an Ark / la Forma de un Arca. DARKLIGHT PUBLISHING LLC, 2022.

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Amram, David. Reflection. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199351411.003.0029.

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Music already tells a story. Any good teacher always talks about the shape of the phrase and how that individual moment relates to the whole picture. There’s an arc to a piece of music, just like in classical theatre where there’s a beginning, a middle and an end, and within those three essential areas of any form of expression there’s a presentation of themes and variations, recapitulation, ...
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Cronk, Nicholas. 2. The Epicurean poet. Oxford University Press, 2017. http://dx.doi.org/10.1093/actrade/9780199688357.003.0003.

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Voltaire was a poet first and foremost, in his own eyes as well as in the eyes of his contemporaries, and throughout his long life he never stopped writing verse. ‘The Epicurean poet’ explains how Epicureanism shaped Voltaire’s thinking and how he took a paradoxical stance in the Quarrel of the Ancients and Moderns. It describes his early epic poem La Henriade and his libertine verse such as La Pucelle, a bawdy mock epic poem about Joan of Arc. It also discusses his poem Stances à Mme Du Châtelet, composed in 1741, which typifies Voltaire’s lyric voice at its most persuasive.
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Varsano, Paula. Moments. Edited by Wiebke Denecke, Wai-Yee Li, and Xiaofei Tian. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199356591.013.27.

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How do the moments that comprise a human life appear through the kaleidoscopic lens of China’s changing modes of literary expression? Many of the writings we have in our possession evince a profound sense of “timeliness”: an awareness of how life events may or may not correspond with the larger, and doubtless much more impersonal, processes of cosmic, historical, or physiological change. Beginning with some of the foundational philosophical texts of the pre-Qin period and proceeding through a range of genres, including biographies, essays, poems, and stories, this chapter will follow the natur
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Booth, Adam M., and Anita L. Grunder, eds. From Terranes to Terrains: Geologic Field Guides on the Construction and Destruction of the Pacific Northwest. Geological Society of America, 2021. http://dx.doi.org/10.1130/fld062.

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The eight field trips in this volume, associated with GSA Connects 2021 held in Portland, Oregon, USA, reflect the rich and varied geological legacy of the Pacific Northwest. The western margin of North America has had a complex subduction and transform history throughout the Phanerozoic, building a collage of terranes. The terrain has been modified by Cenozoic sedimentation, magmatism, and faulting related to Cascadia subduction, passage of the Yellowstone hot spot, and north and westward propagation of the Basin and Range province. The youngest flood basalt province on Earth also inundated t
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Whitehead, Anna Martine. Expressing Life Through Loss. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780199377329.003.0018.

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This chapter examines the relationship between blackness, queer vulnerability, and the mechanics of movement and dance. It uses anecdotes to make an argument for downward movement and concaveness as movement techniques, responses to the physical threats intrinsic to black ontology. It examines the relationship between those movements and shapes in the black body to an emergent style of performance called “queer dance.” This relationship might be identified as a type of “freak technique”—and always already othered practice. The chapter also considers a more familiar relationship to gravity in t
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Warren, Shilyh. Subject to Reality. University of Illinois Press, 2019. http://dx.doi.org/10.5622/illinois/9780252042539.001.0001.

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This book reconsiders the history and study of women’s documentary filmmaking in the United States from 1920 to 1940, and during the long 1970s--when significant transformations in cinematic technologies coincided with major transformations in sociopolitical discourses surrounding gender and race. Rather than comprehensive, the approach is transhistorical, setting women’s cultural expression during these two periods into conversation, and thereby provoking a reconsideration of a number of key debates about subjectivity, feminism, realism, and documentary that have had lasting epistemological a
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Zuberi, Tukufu. Independência Africana: Como a África contemporânea redefiniu o mundo. Brazil Publishing, 2021. http://dx.doi.org/10.31012/978-65-5861-408-1.

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African Independence is a dynamic discussion of how African history shapes world events today. Africa has played a major role in human history, and it is impossible to understand the present condition of humanity, or our future without a consideration of Africa. Although Africa is often portrayed as a remote and impoverished area, remembered for the suffering of its people, it has played an important role in world history that is critical for understanding global events today. Tukufu Zuberi walks readers through the years of African independence through the present. The documentary discusses c
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Book chapters on the topic "Arch shape"

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Järvenpää, Esko, and Anssi Laaksonen. "Illustrative Example of the Shape of Arch in Tied-Arch Bridges." In Structural Integrity. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-83508-7_6.

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Osserman, Robert. "How the Gateway Arch Got its Shape." In Recalling Eero Saarinen 1910–2010. Birkhäuser Basel, 2010. http://dx.doi.org/10.1007/978-3-0346-0520-5_2.

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Sun, Linsong, Weihua Zhang, and Nenggang Xie. "Multi-Objective Optimization for Shape Design of Arch Dams." In Computational Methods in Engineering & Science. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-48260-4_145.

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LLamosas-Mayca, Waldemar Hugo, Eugenio Lorente-Ramos, Jorge Pérez-Aracil, Alejandro M. Hernández-Díaz, Manuel Damián García-Román, and Sancho Salcedo-Sanz. "Machine Learning as Applied to Shape Parameterization of Submerged Arch Structures." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-61137-7_31.

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Chao, Yi, and Dong Jun. "Research on the Influence of Transverse Limit of Support on Construction Monitoring of Special-Shaped Bridge." In Lecture Notes in Civil Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1260-3_13.

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AbstractIn order to understand whether the alignment, internal force and cable force of the special-shaped cable-stayed bridge can still meet the design and code requirements due to the influence of the transverse displacement of the support during the construction process, the transverse displacement of the girder arch system is restricted before the removal of the support. The difference between the measured value and the designed value at each stage of the boom is within ±5%, which meets the design and specification requirements. In this paper, the pedestrian bridge in Anyi County, Nanchang
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Dash, Sabyasachi, Praneet Nallan Chakravarthula, and Safvan Palathingal. "Design of Bistable Arch-Profiles by Using Bilateral Relationship and Shape Optimization." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3716-3_11.

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Cavalagli, Nicola, Vittorio Gusella, and Riccardo Liberotti. "Effect of Shape Uncertainties on the Collapse Condition of the Circular Masonry Arch." In Developments and Novel Approaches in Nonlinear Solid Body Mechanics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50460-1_27.

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Peng, Hui, Wei Yao, and Ping Huang. "The Closure Temperature Fields and Shape Optimization of Arch Dam Based on Genetic Algorithms." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11842-5_43.

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Marrongelli, Gabriele, Carmelo Gentile, and Antonella Saisi. "Anomaly Detection Based on Automated OMA and Mode Shape Changes: Application on a Historic Arch Bridge." In Structural Integrity. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-29227-0_47.

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Hermida, Uxio, Milou P. M. van Poppel, Malak Sabry, et al. "Shape-Guided In-Silico Characterization of 3D Fetal Arch Hemodynamics in Suspected Coarctation of the Aorta." In Functional Imaging and Modeling of the Heart. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-35302-4_51.

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Conference papers on the topic "Arch shape"

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Komar, Gernot, Peeyush Shukla, and Andrew Gillespie. "Improvement of Al Shindagha Corridor with Infinity Arch." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.0306.

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<p>The Improvement of Al Shindagha Corridor in Dubai has captured regional and international attention for its exceptional design and construction, most notably the spectacular Infinity Arch lying at the heart of both the project and the city itself. The bridge's design features twin arches curving above the road deck, creating a visually stunning figure-eight shape which gives the bridge its name, evoking the symbol for infinity (00). Parsons’ comprehensive scope of work ranged from preliminary corridor study, through preliminary design, final design, tendering and finally construction
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Rizzo, Giorgio, Federico Panighel, Claudio Cadelli, and Enrico Parcianello. "New Drini Arch Bridge in Kukes: Design and Launching Phases." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.1639.

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<p>The new bridge over the Drini River, along the Milot-Morine highway near the city of Kukes in Albania, is a strategically important project for the development of the region, where access to Kukes was previously limited by the historic reinforced concrete bridge. Given the length of the main span, 270 meters, making the bridge one of the largest tie-arch structures in Europe, the project underwent thorough design evaluations aimed at minimizing structural weight and foundation loads. Architecturally, the slender arch shape, combined with the use of weathering steel, was preferred as i
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Ameen, Mohammad, and Koen Mouthaan. "Highly Flexible and Deployable Antenna Array Using Double-arch-shaped PTFE Films." In 2024 Asia-Pacific Microwave Conference (APMC). IEEE, 2024. https://doi.org/10.1109/apmc60911.2024.10867626.

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Behfar, Seyed M. R. "Shape Optimization of Double Curved Arch Dams With Spline Function in Shape Description Module." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/dac-1456.

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Abstract Shape description is the first step of shape optimization. This paper shows the possibility of shape description with spline function for surfaces of a double curved arch dam. A mathematical formulation of the boundary of the structure is necessary for the optimization algorithm. A finite element model with 3-dimensional elements is used for structural analysis of the arch dam and its foundation. The optimization algorithm, a sequential quadratic programming (SQP), can be started from initial unfeasible points.
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Ardzijauskaite, Vilma. "Approximation of maxillary arch shape by mathematical functions." In 2009 IEEE International Workshop on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS 2009). IEEE, 2009. http://dx.doi.org/10.1109/idaacs.2009.5342970.

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Li, Jun, and Yuan-hui Wang. "Finite Element Analysis for Optimization of Arch Dam Shape." In 2016 2nd Workshop on Advanced Research and Technology in Industry Applications (WARTIA-16). Atlantis Press, 2016. http://dx.doi.org/10.2991/wartia-16.2016.171.

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Solla, Mercedes, Higinio González-Jorge, Pedro Arias, and Henrique Lorenzo. "Non-Destructive GPR Evaluation of Underpass Arch-Shape Structures." In 29th International Symposium on Automation and Robotics in Construction; Held jointly with the 8th World Conference of the International Society for Gerontechnology. International Association for Automation and Robotics in Construction (IAARC), 2012. http://dx.doi.org/10.22260/isarc2012/0022.

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Zanon, Riccardo, and Miguel Candeias. "Gusset plate between bridge hanger and arch formed by a H rolled section – Design considerations based on numerical analysis." In IABSE Symposium, Prague 2022: Challenges for Existing and Oncoming Structures. International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/prague.2022.0181.

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<p>The paper investigates the detailing of the gusset plate serving as connection of the hanger to an arch member in form of a H-shaped rolled section in the frame of a tied-arch bridge. The driver of the investigation is the fatigue resistance which is usually critical for this element. Since the rolled sections used for this application belong to the same geometrical family it is possible to define a common geometric basis for this study.</p><p>At first a variety of geometric shapes have been considered and analysed by means of FEM numerical simulations. This preliminary an
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Argentini, Tommaso, Giorgio Diana, Stefano Giappino, Sara Muggiasca, Daniele Rocchi, and Nicola Cosentino. "Wind effects of a pedestrian arch bridge with complex shape." In IABSE Congress, Stockholm 2016: Challenges in Design and Construction of an Innovative and Sustainable Built Environment. International Association for Bridge and Structural Engineering (IABSE), 2016. http://dx.doi.org/10.2749/stockholm.2016.1144.

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Song, Zhili, and Chaopeng Shi. "Multi-scale Fourier descriptor based on arch features for shape retrieval." In Second International Conference on Sensors and Information Technology (ICSI 2022), edited by Lijia Pan. SPIE, 2022. http://dx.doi.org/10.1117/12.2637505.

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Reports on the topic "Arch shape"

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Simandl, G. J., R. J. D'Souza, S. Paradis, and J. Spence. Rare-earth element content of carbonate minerals in sediment-hosted Pb-Zn deposits, southern Canadian Rocky Mountains. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328001.

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Paleozoic platform carbonate rocks of the Rocky Mountains host Mississippi Valley-type (MVT), magnesite, barite, and REE-barite-fluorite deposits. Farther west, platform carbonate rocks of the Kootenay Arc host MVT and fracture-controlled replacement (FCR) deposits. This is the first systematic LA-ICP-MS study of carbonates in MVT and FCR deposits. We investigated seven MVT deposits in the Rocky Mountains, and five MVT deposits in the Kootenay Arc. None of the post-Archean Australian shale (PAAS)-normalized REE profiles show light REE (LREE) depletion and strong negative Ce anomalies character
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Anders, S., A. Anders, M. R. Dickinson, R. A. MacGill, and I. G. Brown. S-shaped magnetic macroparticle filter for cathodic arc deposition. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/409856.

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Reeher, Lauren J. Interim Geologic Map of the Kamas Quadrangle, Summit and Wasatch Counties, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ofr-763.

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The Kamas 7.5′ quadrangle is in the Wasatch back valleys about 30 miles (50 km) east of Salt Lake City, Utah. The quadrangle is centered over the north-south-trending Kamas Valley and contains the cities of Kamas and Oakley, and the town of Peoa. Kamas Valley is situated between the foothills of the Uinta Mountains to the east and the West Hills of the Keetley volcanic f ield to the west. The Kamas region is part of the Middle Rocky Mountains physiographic province, located at the juxtaposition of several key tectonic features. A major tectonic trend known as the Cheyenne Belt runs east-west a
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Zhu, Xian-Kui, Tom McGaughy, and Brian Leis. PR-185-163609-R01 Model Error Assessment for Pipeline Metal-loss Defects Phase II. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011506.

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This project included seven, full-scale burst tests conducted on a single grade and size of pipe to evaluate a metal-loss defect assessment model developed under EWI Project No. 54922CSP, "Assessment of Corrosion Model Error for Metal Loss Defects in Pipelines" (PRCI Project EC-2-6). The goal of the modeling and full-scale test efforts was to minimize error and reduce the conservatism of Level-1 corrosion assessment models, with the eventual benefit of potentially reducing unwarranted maintenance efforts without increasing operator risk. Seven tests were performed on a recent vintage of API 5L
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Mueller, C., S. J. Piercey, M. G. Babechuk, and D. Copeland. Stratigraphy and lithogeochemistry of rocks from the Nugget Pond Deposit area, Baie Verte Peninsula, Newfoundland. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328989.

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Stratigraphic and lithogeochemical data were collected from selected drill core from the Nugget Pond gold deposit in the Betts Cove area, Newfoundland. The stratigraphy consists of a lower unit of basaltic rocks that are massive to pillowed (Mount Misery Formation). This is overlain by sedimentary rocks of the Scrape Point Formation that consist of lower unit of turbiditic siltstone and hematitic cherts/iron formations (the Nugget Pond member); the unit locally has a volcaniclastic rich-unit at its base and grades upwards into finer grained volcaniclastic/turbiditic rocks. This is capped by ba
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Bongsebandhu-phubhakdi, Saknan, and Anan Srikiatkhachorn. On-media axon branching and adhesion investigation of neurons as stimulated by modulated potentials on micro-patterned gold substrate. Faculty of Medicine, Chulalongkorn University, 2016. https://doi.org/10.58837/chula.res.2016.22.

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The main focus of this research paper is on-media axon branching and adhesion investigation of neurons as stimulated by modulated potentials on micro-patterned gold substrate. Due to the prolonged and inefficient procedures of nerve repair, it is essential that we effectively incorporate different parameters and techniques as well as investigate cell-cell and cell-substrate interactions to explore new boundaries. This could lead to more operational options for nerve regeneration. Initially, the behavior of cell growth is first observed. 3T3 and Neuro2A cells are grown according to specific pro
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Henderson, Tim, Vincent Santucci, Tim Connors, and Justin Tweet. National Park Service geologic type section inventory: Central Alaska Inventory & Monitoring Network. National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2293381.

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A fundamental responsibility of the National Park Service (NPS) is to ensure that park resources are preserved, protected, and managed in consideration of the resources themselves and for the benefit and enjoyment by the public. Through the inventory, monitoring, and study of park resources, we gain a greater understanding of the scope, significance, distribution, and management issues associated with these resources and their use. This baseline of natural resource information is available to inform park managers, scientists, stakeholders, and the public about the conditions of these resources
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Harris, L. B., P. Adiban, and E. Gloaguen. The role of enigmatic deep crustal and upper mantle structures on Au and magmatic Ni-Cu-PGE-Cr mineralization in the Superior Province. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328984.

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Aeromagnetic and ground gravity data for the Canadian Superior Province, filtered to extract long wavelength components and converted to pseudo-gravity, highlight deep, N-S trending regional-scale, rectilinear faults and margins to discrete, competent mafic or felsic granulite blocks (i.e. at high angles to most regional mapped structures and sub-province boundaries) with little to no surface expression that are spatially associated with lode ('orogenic') Au and Ni-Cu-PGE-Cr occurrences. Statistical and machine learning analysis of the Red Lake-Stormy Lake region in the W Superior Province con
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