Relevant bibliographies by topics / Shaped part

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Shaped part'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Shaped part"

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Karpouzian, G., G. Spedding, and H. K. Cheng. "Lunate-tail swimming propulsion. Part 2. Performance analysis." Journal of Fluid Mechanics 210 (January 1990): 329–51. http://dx.doi.org/10.1017/s0022112090001318.

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The theory of an oscillating, high-aspect-ratio, lifting surface with a curved centreline (Cheng & Murillo 1984) is applied to a performance analysis of lunate-tail swimming propulsion. Thrust, power and propulsive efficiency are calculated for model lunate tails with various combinations of mode shapes and morphological features to ascertain the viability of the proportional-feathering concept, and to determine the influence of sweep and centreline curvature. One of the principal conclusions concerns the interchangeability of the heaving amplitude of the peduncle (identified with the major pitching axis) with the centreline sweep, and its effect on the propulsive efficiency, while maintaining the same thrust. Hydrodynamic reasons are also offered for the apparent preference for the crescent-moon fin shape over the V-shape at moderate sweep angles, and for the large sweep angles often found in V-shaped fins.
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Kráľ, Ján, and Ján Kráľ. "Verification of a Three Axis Milling Machine Accuracy in the Process of Complex Shaped Part Production." Applied Mechanics and Materials 474 (January 2014): 261–66. http://dx.doi.org/10.4028/www.scientific.net/amm.474.261.

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The article presents a design for production of shaped surfaces with the use of 3D milling machine and its control programs in various programming means in order to evaluate the accuracy of produced shaped surfaces as well as their relation to a particular program. The shaped surfaces are mathematically defined. Their advantage lies in possibility of being checked with the use of 3D metre and optimising their shapes with the available mathematical functions. Derivatives come as typical example enabling us to search e.g. function extremes. Programming of the 3D milling machine Emco-Mill control program is done with the use of CATIA V5 and EqCAM. The produced shapes accuracy is checked with the use of 3D Carl-Zeiss coordinate system and a particular software. The solution results in verification and execution of two control programs for 3D shaped surfaces and in evaluation of the mathematically defined shaped surfaces accuracy.
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Xi, Ming Zhe. "Simulation on the Transient Thermal Stress Field of the Wall-Shaped Part Deposited by Laser Direct Metal Powder Deposition." Advanced Materials Research 647 (January 2013): 659–63. http://dx.doi.org/10.4028/www.scientific.net/amr.647.659.

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A thermo-kinetic model for the transient thermal stress field of the wall-shaped part produced using laser direct powder deposition process is developed. In case of numerical modeling, the capabilities of ANSYS parametric design language and the the ‘birth and death’ element technique were employed. The distribution of the thermal stress of the wall-shaped part at different time was calculated by the model. Results show that during process, the X-direction thermal stress within top layer of the wall-shape part and that within the interior deposited layers of the wall-shape part was tensile stress and compressive stress, respectively. The deformation of the wall-shaped part and base plate was also calculated.
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Formby, C. "Simple Triangular Approximations of Auditory Filter Shapes." Journal of Speech, Language, and Hearing Research 33, no. 3 (September 1990): 530–39. http://dx.doi.org/10.1044/jshr.3303.530.

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At present, the most popular auditory filter shape model is one with a rounded peak and exponentially decaying filter skirts (Patterson & Moore, 1986). Unfortunately, the complex nature of this “roex” filter model may, in some instances, have hindered the application of the auditory filter shape in clinical measurements of frequency selectivity. Moreover, some of the assumptions of the roex filter model may be violated at high sound-pressure levels (SPLs) and this limitation has also been a factor when considering the roex auditory filter shape in the clinic. Our purpose is to introduce a simplified method that is adequate for obtaining clinically useful estimates of triangular-shaped auditory filters. Although the triangular-shaped filter model faces the same problems as the roex model at high SPLs, the calculations and assumptions underlying the former are far less complicated. The triangular filter model also retains many of the qualitative properties and advantages afforded by roex-fitted auditory filter shapes. In this report, we review the basic concepts underlying auditory filter shape estimates and describe our methods for measuring and fitting the triangular-shaped filter model. We then present normative triangular filter shapes and compare these estimates with auditory filter shapes fitted by other means. Finally, we present selected examples of triangular filter shapes fitted to the masked thresholds of hearing-impaired patients. For the most part, the triangular-shaped filter model offers the clinician a satisfactory compromise for obtaining estimates of auditory filter shape and frequency selectivity at moderately intense and high SPLs.
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Avirovik, D., M. A. Karami, D. Inman, and S. Priya. "L-shaped piezoelectric motor-part II: Analytical modeling." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 59, no. 1 (January 2012): 108–20. http://dx.doi.org/10.1109/tuffc.2012.2161.

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Hyams, D. G., and J. H. Leylek. "A Detailed Analysis of Film Cooling Physics: Part III— Streamwise Injection With Shaped Holes." Journal of Turbomachinery 122, no. 1 (February 1, 1997): 122–32. http://dx.doi.org/10.1115/1.555435.

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The physics of the film cooling process for shaped, streamwise-injected, inclined jets is studied for blowing ratio (M=1.25,1.88), density ratio (DR=1.6), and length-to-diameter ratio (L/D=4) parameters typical of gas turbine operations. A previously documented computational methodology is applied for the study of five distinct film cooling configurations: (1) cylindrical film hole (reference case); (2) forward-diffused film hole; (3) laterally diffused film hole; (4) inlet shaped film hole, and (5) cusp-shaped film hole. The effect of various film hole geometries on both flow and thermal field characteristics is isolated, and the dominant mechanisms responsible for differences in these characteristics are documented. Special consideration is given to explaining crucial flow mechanisms from a vorticity point of view. It is found that vorticity analysis of the flow exiting the film hole can aid substantially in explaining the flow behavior downstream of the film hole. Results indicate that changes in the film hole shape can significantly alter the distribution of the exit-plane variables, therefore strongly affecting the downstream behavior of the film. Computational solutions of the steady, Reynolds-averaged Navier–Stokes equations are obtained using an unstructured/adaptive, fully implicit, pressure-correction solver. Turbulence closure is obtained via the high-Reynolds-number k–ε model with generalized wall functions. Detailed field results as well as surface phenomena involving adiabatic film effectiveness (η) and heat transfer coefficient (h) are presented. When possible, computational results are validated against corresponding experimental cases from data found in the open literature. Detailed comparisons are made between surface and field results of the film hole shapes investigated in this work; design criteria for optimizing downstream heat transfer characteristics are then suggested. [S0889-504X(00)01401-X]
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Yamashita, Tamotsu, Hirofumi Matsuhata, Takashi Sekiguchi, Kenji Momose, Hiroshi Osawa, and Makoto Kitabatake. "Characterization of Comet-Shaped Defects on C-Face 4H-SiC Epitaxial Wafers." Materials Science Forum 821-823 (June 2015): 173–76. http://dx.doi.org/10.4028/www.scientific.net/msf.821-823.173.

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The crystallographic structure of comet-shaped defects observed on C-face 4H-SiC epitaxial film was investigated. The comet-shaped defects consist of head and tail part. The tail part shows symmetrical shape with respect to the (1-100) plane in cross section and narrowing along the step-flow direction. The tail part consists of four 3C domains with characteristic twin boundaries of Σ3 and Σ27. The head part consists of 3C poly-crystalline grains formed during epitaxial film growth and its formation is triggered by 3C-SiC particle contamination.
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Kim, Il Jung. "Appearance and development of the brazier-shaped pottery (걚形土器) excavated from ancient tomb in the Jinhan and Byeonhan Region." Yeongnam Archaeological Society, no. 82 (September 30, 2018): 5–32. http://dx.doi.org/10.47417/yar.2018.82.5.

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The brazier-shaped pottery(盧形土器) was mainly excavated from the wooden chamber tomb as one of the major types of the latter soft grayish pottery(後期瓦質土器) in Jin Byeon Han(弁辰韓) area. According to the latter soft grayish pottery study, the shape of brazier-shaped pottery in the Byeon Jin Han area, had changed with time. But the‘ Byeon Jin Han’is a collective expression of a group of small units, the latter period of the Byeon Jin Han was during when the integration between the groups began to actively proceed. It is also meaningful to look at the aspects between unit sites rather than all Yeongnam province as an entire analysis unit. In this article, it’s focused on examining the differences in patterns of brazier-shaped pottery between unit sites. As a result of the analysis of the pottery, the common attributes shared across the Byeon Jin Han area and the characteristic properties of the unit sites were derived. The common attributes are the size and height of the top part, the maximum circumferential position(胴最大部) and shape, the percentage of foot in total size of the pottery etc.. The common attribute had changed in the forward direction, it’s interpreted it as shared the recognition of brazier-shaped pottery in all the Byeon Jin Han area. Meanwhile, the detailed type differences by units, is interpreted it as the result of selecting specific attributes in the region. Therefore it seems the shape of brazier-shaped pottery in the Byeon Jin Han area that common and optional attributes are combined. It’s examined the process of selective combination of attributes through comparison between regions. Considering the common attributes of the brazier-shaped pottery and the a temporal and spatial change of unit site’s property, there were various types of the pottery from the beginning, it develops in the direction of increasing the quantity with the formation according to the flow of time. As the shape difference between unit ruins decreases in the same time, it became flat in the Gyeongju region, the top part of pottery were developed in the upright direction in the Busan·Gimhae region. It’s changed to be hardened, transformed pottery stand(器臺) with the difference between Gyeongju and Busan·Gimhae region.
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Larson, Christine L., Joel Aronoff, Issidoros C. Sarinopoulos, and David C. Zhu. "Recognizing Threat: A Simple Geometric Shape Activates Neural Circuitry for Threat Detection." Journal of Cognitive Neuroscience 21, no. 8 (August 2009): 1523–35. http://dx.doi.org/10.1162/jocn.2009.21111.

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The urgent need to recognize danger quickly has been shown to rely on preferential processing in dedicated neural circuitry. In previous behavioral studies examining the pattern of the face when displaying anger, we found evidence that simple noncontextual geometric shapes containing downward-pointing V-shaped angles activate the perception of threat. We here report that the neural circuitry known to be mobilized by many realistic, contextual threatening displays is also triggered by the simplest form of this V-shaped movement pattern, a downward-pointing triangle. Specifically, we show that simple geometric forms containing only downward-pointing V-shapes elicit greater activation of the amygdala, subgenual anterior cingulate cortex, superior temporal gyrus, and fusiform gyrus, as well as extrastriate visual regions, than do presentations of the identical V-shape pointing upward. Thus, this simple V-shape is capable of activating neural networks instantiating detection of threat and negative affect, suggesting that recognition of potential danger may be based, in part, on very simple, context-free visual cues.
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Shayapov, V. R., and B. M. Ayupov. "Optical study of wedge-shaped films Part I Modeling." Journal of Optical Technology 83, no. 7 (July 1, 2016): 441. http://dx.doi.org/10.1364/jot.83.000441.

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Dissertations / Theses on the topic "Shaped part"

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Kopcík, Daniel. "Technologie výroby tvarové součásti víceosým CNC obráběním." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232185.

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The theoretical part of this thesis is introducing basic information in production of shaped components on CNC machines. It describes each steps from a design of the component to production. Main target is summarization of available modern technologies that can be used. Experimental part uses these modern technologies for processing design shaped component. It describes process of design 3D model part in CAD system, subsequently creation of program for machining in CAM system and solves production of part on CNC machine. The aim of this thesis is design part with interesting design and production difficult enough to represent company, where it was made.
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Dikmans, Antonius Josephus. "Synthesis of belt-shaped macrocyclic cyclophanes, Part I, synthesis of key intermediates in the proposed synthesis of (7)- and (8)cyclacenes, Part II, synthesis of key intermediates in a proposed synthesis of a cyclic decaphenylene." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ31119.pdf.

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Yalim, Keles Hacer. "Part Embedding For Shape Grammars." Phd thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612231/index.pdf.

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Computational modeling of part relations of shapes is a challenging problem that has been addressed by many researchers since sixties. The most important source of the difficulty is the continuous nature of shapes, which makes the expression of shape very difficult in terms of discrete parts. When discrete parts are combined, they fuse and yield new parts, i.e. parts emerge. There is a number of methods that support emergent part detection. However all of these methods are based on strong assumptions in terms of what constitute a part. There is a need for a generic solution that treats a shape independently of any restriction resulting from analytical, geometrical, or logical abstractions. To this end, we have developed two novel strategies, which can be used both separately and jointly. Both strategies are relatable to the algebraic formalization of shape grammars (by Stiny). In the course of this thesis work, we have introduced a novel data structure called Over-Complete Graph to address the problem of part embedding in the existence of discrete registration marks
and we have developed a novel and robust method for the automatic selection of registration marks. Both developments are certainly useful for other visual problems. On the application side, we have tested our techniques on puzzling Seljuk patterns (from Kayseri) to demonstrate how the developed techniques give way to computational creativity. Apart from the techniques we have developed, the most important contribution of our work is that shapes are treated as perceived wholes rather than composed, as compellingly demonstrated by Seljuk pattern experiments.
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Caputo, Matthew P. "4-Dimensional Printing and Characterization of Net-Shaped Porous Parts Made from Magnetic Ni-Mn-Ga Shape Memory Alloy Powders." Youngstown State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1525436335401265.

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Kurnadi, Martin S. "Workholding Optimization for Turning of Ring Shaped Parts." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7125.

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The ability to produce precision ring shaped parts using the turning process depends significantly on the workholding characteristics. Workholding parameters such as the number of jaws and chucking force are known to influence the roundness tolerance of ring shaped parts commonly used in bearing applications. Experimental trial and error methods are often used in practice to optimize the workholding parameters to achieve the desired part quality. This thesis develops a systematic mathematical approach for optimizing these parameters using a finished cut roundness prediction model and a model for determining the reaction force between the chuck jaws and the ring. The roundness prediction model is verified through experiments for different cutting conditions. The optimization approach takes as input the required roundness tolerance, geometry and mechanical properties of the ring, cutting forces, and the coefficient of friction between the jaws and the ring. The output consists of the minimum number of jaws and the range of acceptable chucking forces that satisfy the required tolerance while preventing slip of the ring. Simulation examples are used to illustrate the proposed workholding optimization approach for a hard turning application. In addition, based on the optimization model, the thesis proposes a novel concept of dynamic chucking force control that promises to yield part roundness that is superior to conventional chucking.
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Fischer, Boris Vasco. "Prediction of the trimming contour on intermediate shapes in the multi-stage forming process." Thesis, Coventry University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245600.

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Roozbehjavan, Pooneh. "Experimental and numerical study of distortion in flat, L-shaped, and U-shaped carbon fiber-epoxy composite parts." Thesis, Wichita State University, 2012. http://hdl.handle.net/10057/5539.

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In this work, the effect of different parameters, including stacking sequence, part thickness, and tooling material, on distortion of flat panels was investigated. A Romer arm equipped with a laser scanner was used to obtain the maximum amount of distortion as well as the 3D pattern of distortion for each panel. Among the different stacking sequences, the maximum distortion was observed in the asymmetric and balanced panel, while the least distortion belonged to the symmetric and unbalanced one. Furthermore, thinner panels were more distorted than thicker panels with the same planar size and stacking sequences. This study showed that distortion of the flat panels caused by asymmetry in the stacking sequence was an order of magnitude greater than distortion of the panels due to imbalance in the stacking sequence. L-shaped and U-shaped panels were also fabricated to investigate the effect of stacking sequence on spring-in angle and warpage of the panels. Among all the stacking sequences, the panel with an asymmetric and unbalanced stacking sequence showed the least spring-in angle, while the largest angle was observed in the symmetric and balanced panel. Although asymmetry in the stacking sequences reduced the spring-in angle, significantly more warpage was observed in the panels with asymmetric stacking sequences, as compared to the symmetric ones. MSC Marc was used to predict the distortion of the panels, and the simulation results were compared with the experimental results for several stacking sequences of the flat and the L-shaped panels. An L-shaped panel with the stacking sequence of [0/45/90/-45]4 was simulated to investigate the effect of curve radius and tool geometry on the spring-in angle. The FEA results showed that curing the L-shaped panel on a concave tool led to less spring-in angle, as compared to the panel confined to a convex tool.
Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Mechanical Engineering
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Hsieh, Kuang-Han. "Part geometry for advanced quality control and process monitoring /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9842539.

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Zouhar, Alexander. "Part-based recognition of 3-D objects with application to shape modeling in hearing aid manufacturing." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-192670.

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In order to meet the needs of people with hearing loss today hearing aids are custom designed. Increasingly accurate 3-D scanning technology has contributed to the transition from conventional production scenarios to software based processes. Nonetheless, there is a tremendous amount of manual work involved to transform an input 3-D surface mesh of the outer ear into a final hearing aid shape. This manual work is often cumbersome and requires lots of experience which is why automatic solutions are of high practical relevance. This work is concerned with the recognition of 3-D surface meshes of ear implants. In particular we present a semantic part-labeling framework which significantly outperforms existing approaches for this task. We make at least three contributions which may also be found useful for other classes of 3-D meshes. Firstly, we validate the discriminative performance of several local descriptors and show that the majority of them performs poorly on our data except for 3-D shape contexts. The reason for this is that many local descriptor schemas are not rich enough to capture subtle variations in form of bends which is typical for organic shapes. Secondly, based on the observation that the left and the right outer ear of an individual look very similar we raised the question how similar the ear shapes among arbitrary individuals are? In this work, we define a notion of distance between ear shapes as building block of a non-parametric shape model of the ear to better handle the anatomical variability in ear implant labeling. Thirdly, we introduce a conditional random field model with a variety of label priors to facilitate the semantic part-labeling of 3-D meshes of ear implants. In particular we introduce the concept of a global parametric transition prior to enforce transition boundaries between adjacent object parts with an a priori known parametric form. In this way we were able to overcome the issue of inadequate geometric cues (e.g., ridges, bumps, concavities) as natural indicators for the presence of part boundaries. The last part of this work offers an outlook to possible extensions of our methods, in particular the development of 3-D descriptors that are fast to compute whilst at the same time rich enough to capture the characteristic differences between objects residing in the same class.
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Rydell, William, and Julian Kneubühler. "Shared Field of Play, Being Part of a Team, Being Part of an Organization: Effects on Building a Personal Brand in Team Sports." Thesis, Högskolan i Halmstad, Centrum för innovations-, entreprenörskaps- och lärandeforskning (CIEL), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-37054.

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The purpose of this thesis was to identify what effects shared field of play, being part of a team and being part of an organization has on building brand equity for athletes in team sports. Even though personal branding of athletes has received academic coverage over the past years, the role of the shared field of play, being part of a team and being part of an organization have been overlooked. This research gap was addressed through four in-depth semi-structured interviews with professional soccer players from Sweden and Switzerland. Those interviews were analyzed using a theoretical framework which consists of the additional characteristics of team sports and its effect on personal branding. Findings of this thesis show that athletes lose their ‘uniqueness’ when they share the field with otherathletes as they are also wearing the same uniform, this leaves only a few opportunities to differentiate themselves from teammates by using product related and non-product related attributes. That the athletes with playing positions that can make a decisive difference on the outcome of the game receive extra attention. That to cooperate and exhibit a strong relationship between athletes towards the audience gives favorable brand associations and an increased following, thusstrengthening one’s brand equity. That athletes should try to benefit from the popularity of another athlete’s personal brand as long it is there, but that one muststay authentic in the process. That being employed and getting a stable and continuous salary gives athletes comfort and a feeling of safety which might have a negative effect on their ambition of building their personal brand. And lastly, to usethe club’s brand to build one’s own personal brand by paying homage to the club by engaging with supporters through gestures when celebrating victories and individual achievements.
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Books on the topic "Shaped part"

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1939-, Green Michael, ed. Shared parenting: Raising your children cooperatively after separation. New York: Celestial Arts, 2009.

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Leslie, Roger. Galena Park: The Community that Shaped its Own History. Houston, Tex: R. Leslie, 1993.

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Hermet, Gérard. La part de marché: Concept, déterminants, et utilisation. Paris: Economica, 1995.

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Back in shape. London: Hamlyn, 2000.

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The Menzies era: The years that shaped modern Australia. Sydney, NSW: HarperCollins Publishers, 2014.

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Bulloch, Ivan. Figuras: Para aprender matemáticas jugando. Princeton: Two-Can, 2001.

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Moravek, Vince. It happened in Glacier National Park: Remarkable events that shaped history. Guilford, Connecticut: Globe Pequot Press, 2013.

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Pollack, Pam. Gallinas de aquí para allá. New York: Kane Press, 2008.

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Pollack, Pam. Gallinas de aquí para allá. New York: Kane Press, 2008.

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Friedman, Mel. Un castillo para gatitos. New York: Kane Press, 2008.

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Book chapters on the topic "Shaped part"

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Thomas, Rufus R., C. N. Sakhale, M. S. Giripunje, and Sagar D. Shelare. "Designing a Mechanism to Paint a Conical Shaped Part." In Lecture Notes on Multidisciplinary Industrial Engineering, 535–45. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73495-4_37.

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Liu, Zhimin, Xialing Wu, Dongsheng Zhang, Yi Ding, Liyan Gao, and Xiang Yan. "Improvement of Formability of Y-Shaped Tubular Part of 6016 Aluminium Alloy by Pulsating Hydroforming." In Lecture Notes in Electrical Engineering, 221–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45043-7_24.

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Li, Hao, Qiang Wang, and Fang He. "Modeling and Numerical Simulation of Drawing Process of Hemisphere-Shaped Part Based on Electromagnetic Blank Holding System." In Advances in Intelligent Systems and Computing, 33–39. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00214-5_4.

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Viala, R., V. Placet, and S. Cogan. "Identification and Monitoring of the Material Properties of a Complex Shaped Part Using a FEMU-3DVF Method: Application to Wooden Rhombicuboctahedron." In Conference Proceedings of the Society for Experimental Mechanics Series, 35–38. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12115-0_5.

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Bischof, Lukas, and Alina Tofan. "Moldova: Institutions Under Stress—The Past, the Present and the Future of Moldova’s Higher Education System." In Palgrave Studies in Global Higher Education, 311–35. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-52980-6_12.

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AbstractThe Republic of Moldova has a long history of shifting borders, and a short history as an independent state. The real development of higher education started only after 1944, in the form of an integral part of the Soviet system of education and research. After independence, its development was shaped strongly by market forces, a demographic decline, alternative study options abroad and last but not least, the all-too-often contradictory policy preferences of changing governments and ministers for education. As a result, on the one hand, the country perpetuated many of the Soviet institutional arrangements in the higher education system, especially the centralised governance arrangements and the academy of science system. On the other hand, the political will to break with the Soviet past and to orientate the country towards Romania and the European Union has spawned a number of policy initiatives, including the ascension to the Bologna Process, greater institutional autonomy, governance democratisation and the implementation of a quality assurance framework along European models. Their implementation, however, has often been hampered by relatively weak institutions and political factionism. As a consequence, the differentiation of the HE system of the Republic of Moldova takes the shape of a dynamic, often contradictory process in which instable institutions are attempting to cope with growing pressures of global, European and local origins.
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Li, Jiehua, Bernd Oberdorfer, and Peter Schumacher. "Determining Casting Defects in Thixomolding Mg Casting Part by Computed Tomography." In Shape Casting, 99–103. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06034-3_9.

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Monkova, K., and P. Monka. "The Digitizing of Complex-Shaped Real Part." In DAAAM International Scientific Book 2008, 535–42. DAAAM International, 2008. http://dx.doi.org/10.2507/daaam.scibook.2008.45.

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"FitzGerald from his own words: the relationships and events that shaped his life." In The Man Behind the Rubáiyát of Omar Khayyám. I.B.Tauris, 2016. http://dx.doi.org/10.5040/9781350988903.part-001.

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"Stability of a Premixed Laminar V-Shaped Flame." In Dynamics of Reactive Systems Part I: Flames; Part II: Heterogeneous Combustion and Applications, 215–39. Washington DC: American Institute of Aeronautics and Astronautics, 1988. http://dx.doi.org/10.2514/5.9781600865879.0215.0239.

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de Sadeleer, Nicolas. "Part I Introduction." In Environmental Principles, 23–30. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198844358.003.0002.

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Part I aims to clarify when and how the polluter-pays, preventive, and precautionary principles co-exist: complementing, enriching, and in some cases contradicting each other. It stresses that these principles could be best described using three distinct models representing three paradigms of regulation: a curative model, a preventive model, and an anticipatory model. A curative model of nature characterized the early stages of environment policy and shaped the polluter-pays principle. This model was practicable only if accompanied by a preventive policy intended to limit environmental damage. The emergence of increasingly unpredictable risks is at present causing the authorities to base their policy on a third, anticipatory model that gave rise to the precautionary principle. The three principles examined in the first part of this book correspond to the three models described in this introduction.
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Conference papers on the topic "Shaped part"

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Mottaghi, R. "Augmenting deformable part models with irregular-shaped object patches." In 2012 IEEE Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2012. http://dx.doi.org/10.1109/cvpr.2012.6248044.

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Chanda, Sukalpa, Umapada Pal, and Katrin Franke. "Similar shaped part-based character recognition using G-SURF." In 2012 12th International Conference on Hybrid Intelligent Systems (HIS). IEEE, 2012. http://dx.doi.org/10.1109/his.2012.6421330.

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Hyams, Daniel G., and James H. Leylek. "A Detailed Analysis of Film Cooling Physics: Part III — Streamwise Injection With Shaped Holes." In ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-gt-271.

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The physics of the film cooling process for shaped, streamwise-injected, inclined jets is studied for blowing ratio (M = 1.25, 1.88), density ratio (DR = 1.6), and length-to-diameter ratio (L/D = 4) parameters typical of gas turbine operations. A previously documented computational methodology is applied for the study of five distinct film cooling configurations: (1) cylindrical film hole (reference case); (2) forward-diffused film hole; (3) laterally-diffused film hole; (4) inlet shaped film hole, and (5) cusp-shaped film hole. The effects of various film hole geometries on both flow and thermal field characteristics is isolated, and the dominant mechanisms responsible for differences in these characteristics are documented. Special consideration is given to explaining crucial flow mechanisms from a vorticity point of view. It is found that vorticity analysis of the flow exiting the film hole can aid substantially in explaining the flow behavior downstream of the film hole. Results indicate that changes in the film hole shape can significantly alter the distribution of the exit-plane variables, therefore strongly affecting the downstream behavior of the film. Computational solutions of the steady, Reynolds-averaged Navier-Stokes equations are obtained using an unstructured/adaptive, fully implicit, pressure-correction solver. Turbulence closure is obtained via the high Reynolds number k-ε model with generalized wall functions. Detailed field results as well as surface phenomena involving adiabatic film effectiveness (η) and heat transfer coefficient (h) are presented. When possible, computational results are validated against corresponding experimental cases from data found in the open literature. Detailed comparisons are made between surface and field results of the film hole shapes investigated in this work; design criteria for optimizing downstream heat transfer characteristics are then suggested.
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Kogure, Masami, Hiraku Matsukuma, Ryo Kobayashi, Yuki Shimizu, and Wei Gao. "Measurement and uncertainty analysis of a precision V-shaped ceramic part." In 2018 IEEE International Conference on Advanced Manufacturing (ICAM). IEEE, 2018. http://dx.doi.org/10.1109/amcon.2018.8614901.

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Lee, Sung-Uk, and Dong-Yol Yang. "Optimal design at inner core of the shaped pyramidal truss structure." In NUMISHEET 2014: The 9th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes: Part A Benchmark Problems and Results and Part B General Papers. AIP, 2013. http://dx.doi.org/10.1063/1.4850141.

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McClintic, John W., Joshua B. Anderson, David G. Bogard, Thomas E. Dyson, and Zachary D. Webster. "Effect of Internal Crossflow Velocity on Film Cooling Effectiveness: Part I — Axial Shaped Holes." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64616.

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The effect of feeding shaped film cooling holes with an internal crossflow is not well understood. Previous studies have shown internal crossflow reduces film cooling effectiveness from axial shaped holes, but little is known about the mechanisms governing this effect. It was recently shown that the crossflow-to-mainstream velocity ratio is important, but only a few of these crossflow velocity ratios have been studied. This effect is of concern because gas turbine blades typically feature internal passages that feed film cooling holes in this manner. In this study, film cooling effectiveness was measured for a single row of axial shaped cooling holes fed by an internal crossflow with crossflow-to-mainstream velocity ratio varying from 0.2–0.6 and jet-to-mainstream velocity ratios varying from 0.3–1.7. Experiments were conducted in a low speed flat plate facility at coolant-to-mainstream density ratios of 1.2 and 1.8. It was found that film cooling effectiveness was highly sensitive to crossflow velocity at higher injection rates, while it was much less sensitive at lower injection rates. Analysis of the jet shape and lateral spreading found that certain jet characteristic parameters scale well with the crossflow-to-coolant jet velocity ratio, demonstrating that the crossflow effect is governed by how coolant enters the film cooling holes.
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Chen, Yuh-Min, R. Allen Miller, and K. Rao Vemuri. "A Framework for Feature Based Part Modeling." In ASME 1991 International Computers in Engineering Conference and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/cie1991-0045.

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Abstract To increase the capabilities and intelligence of CAD/CAM systems, a feature based modeling environment, integrated with a knowledge based environment, is under development utilizing a commercial CAD system. This environment allows designers to model parts with features, and provides high-level part models to support geometric reasoning in manufacturing assessment and related functions. Two fundamental issues have been considered: (1) What kind of information is required to specify a part and to support reasoning about the part in a wide variety of applications?, and (2) How can the results serve the geometric reasoning needs of the various engineering applications which need geometric information about the part? This paper will discuss the information required for defining net shaped parts (parts to be manufactured by net shape processes), a framework for a feature based modeling environment, the procedures for feature based design, and the construction of high-level (semantic) pan models suitable for geometric reasoning in a knowledge based environment.
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Calisch, Sam E., and Neil A. Gershenfeld. "Towards Continuous Production of Shaped Honeycombs." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6646.

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Honeycomb sandwich panels are widely used for high performance parts subject to bending loads, but their manufacturing costs remain high. In particular, for parts with non-flat, non-uniform geometry, honeycombs must be machined or thermoformed with great care and expense. The ability to produce shaped honeycombs would allow sandwich panels to replace monolithic parts in a number of high performance, space-constrained applications, while also providing new areas of research for structural optimization, distributed sensing and actuation, and on-site production of infrastructure. Previous work has shown methods of directly producing shaped honeycombs by cutting and folding flat sheets of material. This research extends these methods by demonstrating work towards a continuous process for the cutting and folding steps of this process. An algorithm for producing a manufacturable cut-and-fold pattern from a three-dimensional volume is designed, and a machine for automatically performing the required cutting and parallel folding is proposed and prototyped. The accuracy of the creases placed by this machine is characterized and the impact of creasing order is demonstrated. Finally, a prototype part is produced and future work is sketched towards full process automation.
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Liu, Mengqing, Dong F. Wang, Shouhei Shiga, Takao Ishida, and Ryutaro Maeda. "Crescent shaped patterns for self-alignment of micro-parts: Part II — Self-alignment demonstration and conductivity evaluation." In 2014 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP). IEEE, 2014. http://dx.doi.org/10.1109/dtip.2014.7056687.

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Ferguson, Jeffrey D., James H. Leylek, and Frederick A. Buck. "Film Cooling on a Modern HP Turbine Blade: Part III — Axial Shaped Holes." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30522.

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A well-tested computational methodology and high-quality data from a companion experimental study are used to analyze the physics of axial-injected, shaped-hole film cooling on the pressure and suction surfaces of a modern high-pressure turbine blade. Realistic engine conditions, including transonic flow, high turbulence levels, and a nominal density ratio of 1.52, are used to examine blowing ratios of 1.0, 1.5, and 2.0 on the suction surface (SS) and 1.5, 3.0, and 4.5 on the pressure surface (PS). SS results show excellent film-cooling performance with the hole shaping, but massive hot crossflow ingestion is found using similar hole shaping on the PS. Primary mechanisms governing the near and far-field cooling effectiveness and crossflow ingestion are identified, including: (1) the nature of the coolant entry into the film hole; (2) location of hole shaping relative to major coolant flow characteristics; and (3) susceptibility of low-momentum fluid to pressure gradients. Changes in blowing ratio, while not introducing new physical mechanisms, significantly alter the extent to which the mechanisms already present affect the flow. These effects are highly non-linear for both SS and PS geometries, highlighting the inadequacy of one-dimensional design practices and the potential usefulness of CFD as a predictive tool.
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Reports on the topic "Shaped part"

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Walters, William P. The Shaped Charge Concept. Part 2. The History of Shaped Charges. Fort Belvoir, VA: Defense Technical Information Center, September 1990. http://dx.doi.org/10.21236/ada226772.

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Walters, William P. The Shaped Charge Concept. Part 1. Introduction. Fort Belvoir, VA: Defense Technical Information Center, August 1990. http://dx.doi.org/10.21236/ada226401.

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Entchev, Pavlin B., Dimitris C. Lagoudas, Muhammad A. Qidwai, and Virginia G. DeGiorgi. Porous Shape Memory Alloys. Part 2. Modeling of the Thermomechanical Response. Fort Belvoir, VA: Defense Technical Information Center, January 2000. http://dx.doi.org/10.21236/ada403941.

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Clark, E. A. Effect of nitrocarburizing on shape of titanium alloy parts. Office of Scientific and Technical Information (OSTI), September 1993. http://dx.doi.org/10.2172/10107789.

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Wambalaba, Francis. Evaluation of Shared Use Park and Ride Impact on Properties. Tampa, FL: University of South Florida, April 2004. http://dx.doi.org/10.5038/cutr-nctr-rr-2003-15.

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Tamagawa, Hirohisa. Electro-Spun Fine Fibers of Shape Memory Polymer Used as an Engineering Part. Fort Belvoir, VA: Defense Technical Information Center, January 2010. http://dx.doi.org/10.21236/ada513580.

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Moorehead, Carli A., Victoria L. Blair, and Jane W. Adams. Characterization of Novel Gel Casting System to Make Complex Shaped Aluminum Oxide (Al2O3) Parts. Fort Belvoir, VA: Defense Technical Information Center, March 2016. http://dx.doi.org/10.21236/ad1005385.

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Clark, N. N., K. H. Means, R. James, and T. Thompson. A study of coal particle shape and three-body wear: Part 1, Design and development of a new three-body wear testing machine: Part 2, Particle shape and three-body wear. Office of Scientific and Technical Information (OSTI), January 1991. http://dx.doi.org/10.2172/6117659.

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Manzi, Maya. More-Than-Human Conviviality-Inequality in Latin America. Maria Sibylla Merian Centre Conviviality-Inequality in Latin America, December 2020. http://dx.doi.org/10.46877/manzi.2020.29.

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In the context of our current planetary crises, in a world that continues to be shaped by capitalist, colonialist, androcentric and anthropocentric visions, we are faced with the urgency of reconsidering, at the deepest levels, the way we relate with other human and nonhuman beings. This working paper aims to contribute towards that end by looking at human-nonhuman relations through the concept of conviviality, understood as the everyday living together with difference, and how it intersects with inequality. In the first part of this paper, more-than-human conviviality-inequality is investigated by critically analyzing onto-epistemological and methodological approaches that question, subvert or reproduce hegemonic thinking and worldviews on humannonhuman relations like historical materialism, new materialisms, transhumanism, posthumanisms, and indigenous relational ontologies. In the second part, I look at particular relational dimensions like incompleteness, translation, and affect, which can help us create new understandings of more-than-human conviviality-inequality in Latin America and beyond.
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Persson, Torsten, Gerard Roland, and Guido Tabellini. How Do Electoral Rules Shape Party Structures, Government Coalitions, and Economic Policies? Cambridge, MA: National Bureau of Economic Research, December 2003. http://dx.doi.org/10.3386/w10176.

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