Relevant bibliographies by topics / Bruce Codex

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

Academic literature on the topic 'Bruce Codex'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Bruce Codex"

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Dillon, John Noël. "CONJECTURES AND CRITICISM IN BOOK 1 OF THECODEX JUSTINIANUS." Classical Quarterly 65, no. 1 (2015): 321–43. http://dx.doi.org/10.1017/s0009838814000640.

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Since 2007, a team of American and British ancient historians has been preparing a new translation of theCodex Justinianus. The ‘Codex Project’ was launched by chief editor Bruce W. Frier; the goal of the project is to create the first reliable English translation of theCodex Justinianuson the basis of the standard edition by Paul Krüger. Since 1932, the notoriously unreliable translation by Scott has remained the only one in English. The new translation by the Codex Project should appear soon.
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Bricker, Harvey M., and Victoria R. Bricker. "More on the Mars Table in the Dresden Codex." Latin American Antiquity 8, no. 4 (1997): 384–97. http://dx.doi.org/10.2307/972108.

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The suggestion made early in this century that pages 43b to 45b of the Dresden Codex are concerned with the synodic cycle of the planet Mars was vigorously opposed in mid-century by J. Eric S. Thompson but supported during the last decade by other scholarship, including our own. Thompson’s interpretation, which Bruce Love has recently argued is correct, is certainly of historical interest and value, but it is no longer adequate in light of more recent advances in understanding codical instruments. In particular, it ignores the great importance to the authors of these instruments of the commensuration of calendrical and astronomical cycles. The Mars table is not just a Chac almanac dealing with weather and agriculture.
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Crégheur, Eric. "The Manuscript and the Coptic Text of the Untitled Text of the Bruce Codex." Chronique d'Egypte 92, no. 184 (2017): 397–407. http://dx.doi.org/10.1484/j.cde.5.115214.

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Muehlberger, Ellen. "Preserving the Divine: ατο- Prefixed Generative Terms and the Untitled Treatise in the Bruce Codex". Vigiliae Christianae 65, № 3 (2011): 311–28. http://dx.doi.org/10.1163/157007211x543040.

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AbstractIn Greek literature from antiquity, there is a set of terms formed from verbs of origination or generation and prefixed with ατο-, which are represented primarily in three types of literature prior to the fifth century: in the surviving fragments from Numenius, in apologetic histories which incorporate oracular statements about first gods, and in the reports about and examples of Sethian literature. By considering the range of transliterated words in the Coptic Untitled Treatise based upon ατο- prefixed generative terms from Greek, we can discern several of the traditions that underlie this text’s multiple, often competing, narratives about the structure and population of the divine world. Many of those traditions are also recorded in apologetic histories, and comparison with these shows that the Untitled Treatise is an example of a different mode of historical writing, one which is preservationist rather than explicitly persuasive.
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Brendel, Raphael. "Bruce W. Frier (Hg.): The Codex of Justinian. A new annotated translation, with parallel Latin and Greek text." Das Historisch-Politische Buch 66, no. 1 (2018): 61. http://dx.doi.org/10.3790/hpb.66.1.61.

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McFarlane, Doreen M. "YHWH Elohim: A Survey of Occurrences in the Leningrad Codex and their Corresponding Septuagintal Renderings - By Bruce J. Harvey." Reviews in Religion & Theology 19, no. 4 (2012): 463–64. http://dx.doi.org/10.1111/j.1467-9418.2012.01115.x.

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Millard, A. R. "YHWH Elohim. A Survey of Occurrences in the Leningrad Codex and their Corresponding Septuagintal Renderings. By BRUCE J. HARVEY." Journal of Theological Studies 64, no. 1 (2013): 168–70. http://dx.doi.org/10.1093/jts/flt051.

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du Plessis, Paul J. "Bruce W. Frier, ed., The Codex of Justinian: A New Annotated Translation with Parallel Latin and Greek Text, 3 vols., Cambridge: Cambridge University Press, 2016. Pp. clxxxvi + 3176. $750 cloth (ISBN 9780521196826)." Law and History Review 36, no. 2 (2018): 429–30. http://dx.doi.org/10.1017/s073824801800007x.

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Bricker, Victoria R. "The Paris Codex: Handbook for a Maya Priest. Bruce Love, with introduction by George E. Stuart. University of Texas Press, Austin, 1994. xviii + 144 pp., 68 figures, 22 plates, appendix, bibliography, index. $37.50 (cloth)." Latin American Antiquity 6, no. 3 (1995): 283–84. http://dx.doi.org/10.2307/971679.

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Delfosse, Nicolas, and Matthew B. Hastings. "Union-Find Decoders For Homological Product Codes." Quantum 5 (March 10, 2021): 406. http://dx.doi.org/10.22331/q-2021-03-10-406.

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Homological product codes are a class of codes that can have improved distance while retaining relatively low stabilizer weight. We show how to build union-find decoders for these codes, using a union-find decoder for one of the codes in the product and a brute force decoder for the other code. We apply this construction to the specific case of the product of a surface code with a small code such as a [[4,2,2]] code, which we call an augmented surface code. The distance of the augmented surface code is the product of the distance of the surface code with that of the small code, and the union-find decoder, with slight modifications, can decode errors up to half the distance. We present numerical simulations, showing that while the threshold of these augmented codes is lower than that of the surface code, the low noise performance is improved.
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Dissertations / Theses on the topic "Bruce Codex"

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Evans, Erin Michelle. "Books of Jeu and the Pistis Sophia : system, practice, and development of a religious group." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/9438.

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The primary objective of this thesis is to argue that the Books of Jeu (in the Bruce Codex) and the Pistis Sophia (the Askew Codex) are the product of a hitherto largely unrecognized religious group or community emerging from the dynamic religious climate of the first four centuries of the Common Era. It presents evidence that they have their own coherent system of theology, cosmology and soteriology, and demonstrates the strong ties that bind the individual tractates contained within these texts to one another. Chapter One provides a brief introduction to the history of the manuscripts, discusses methodology, presents definitions and a short thesis outline, and delivers a review of literature on the subject. Chapter Two examines each of the texts under consideration, giving a brief overview of their contents; arguments are presented for their chronological order, the exclusion of certain texts and fragments from the wider codices, and reasons these texts should be considered products of a religious group as opposed to being pure literary products of individual thinkers. Chapter Three traces the cosmology from the earliest to the latest of the texts, outlining shifts that take place and proposing explanations for these changes within an overall developmental framework. Chapter Four examines the roles of individual figures from the earliest to the latest texts; it demonstrates that although on the surface these roles may seem to change, their underlying nature remains constant, supporting the notion that they are the products of a group with a consistent underlying system. Chapter Five analyses the profusion of diagrams found in the two Books of Jeu, breaking them down into categories based on their nature and use as expressed by the texts. It further demonstrates that such images had a precedent in the religious and cultural atmosphere of Greco-Roman society. Chapter Six discusses potential outside religious influences present in these texts, and shows that while they are highly syncretistic, outside ideas are always incorporated within the existing framework of the group’s system: conflicting notions are subordinated to the existing theology and soteriology. The thesis concludes that these texts represent evidence of a practicing religious group that remained active over a period of time, producing multiple texts by multiple authors, adapting to a changing religious climate but maintaining the ideas that remained central to their underlying theological and soteriological system.
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Williams, Aaron Michael. "Shift gray codes." Thesis, 2009. http://hdl.handle.net/1828/1966.

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Combinatorial objects can be represented by strings, such as 21534 for the permutation (1 2) (3 5 4), or 110100 for the binary tree corresponding to the balanced parentheses (()()). Given a string s = s1 s2 sn, the right-shift operation shift(s, i, j) replaces the substring si si+1..sj by si+1..sj si. In other words, si is right-shifted into position j by applying the permutation (j j−1 .. i) to the indices of s. Right-shifts include prefix-shifts (i = 1) and adjacent-transpositions (j = i+1). A fixed-content language is a set of strings that contain the same multiset of symbols. Given a fixed-content language, a shift Gray code is a list of its strings where consecutive strings differ by a shift. This thesis asks if shift Gray codes exist for a variety of combinatorial objects. This abstract question leads to a number of practical answers. The first prefix-shift Gray code for multiset permutations is discovered, and it provides the first algorithm for generating multiset permutations in O(1)-time while using O(1) additional variables. Applications of these results include more efficient exhaustive solutions to stacker-crane problems, which are natural NP-complete traveling salesman variants. This thesis also produces the fastest algorithm for generating balanced parentheses in an array, and the first minimal-change order for fixed-content necklaces and Lyndon words. These results are consequences of the following theorem: Every bubble language has a right-shift Gray code. Bubble languages are fixed-content languages that are closed under certain adjacent-transpositions. These languages generalize classic combinatorial objects: k-ary trees, ordered trees with fixed branching sequences, unit interval graphs, restricted Schr oder and Motzkin paths, linear-extensions of B-posets, and their unions, intersections, and quotients. Each Gray code is circular and is obtained from a new variation of lexicographic order known as cool-lex order. Gray codes using only shift(s, 1, n) and shift(s, 1, n−1) are also found for multiset permutations. A universal cycle that omits the last (redundant) symbol from each permutation is obtained by recording the first symbol of each permutation in this Gray code. As a special case, these shorthand universal cycles provide a new fixed-density analogue to de Bruijn cycles, and the first universal cycle for the "middle levels" (binary strings of length 2k + 1 with sum k or k + 1).
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Books on the topic "Bruce Codex"

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Johnson, Nick. Nick Johnson: Drawings, feathers & stones : a Port Bruce codex. London Regional Art Gallery, 1987.

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The Books of Jeu and the Untitled Text in the Bruce Codex (Nag Hammadi Studies , No 13). Brill Academic Pub, 1997.

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Garipzanov, Ildar. The Origins of Early Christian Graphic Signs. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198815013.003.0002.

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The first two sections delineate the early history of the nomina sacra, staurogram, and chi-rho, from the late first to third centuries AD as well as relevant early Christian discourse on the symbolic meanings of certain letters and graphic signs, and show how the staurogram and chi-rho developed from utilitarian abbreviation signs into symbolic visual proxies for God and Christological concepts. The next two sections provide an overview of the use of graphic signs as protective seals among various religious communities, with reference to artefacts such as the Bruce Codex and votive leaves from Water Newton, and compare the early usage of more acceptable Christian signs with the concurrent culture of the so-called ‘magical’ characteres. The final section underscores that the early development of Christian graphicacy should be seen in the context of a general predilection for apotropaic graphic devices in the Imperial period, and in late antiquity in particular.
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C, Milligan Bruce, ed. Milligan's correlated Criminal Code & selected federal statutes /[Bruce C. Milligan, editor]. 1994.

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Book chapters on the topic "Bruce Codex"

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Crégheur, Éric. "Le parcours mystique de l’initié : le cas des Livres de Iéou du codex Bruce (MS Bruce 96)." In JAOC Judaïsme antique et origines du christianisme. Brepols Publishers, 2016. http://dx.doi.org/10.1484/m.jaoc-eb.5.109022.

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Knowles, Michael P. "Bruce J. Harvey, YHWH Elohim: A Survey Of Occurrences In The Leningrad Codex And Their Corresponding Septuagintal Renderings." In Perspectives on Hebrew Scriptures IX, edited by Ehud Ben Zvi and Christophe Nihan. Gorgias Press, 2014. http://dx.doi.org/10.31826/9781463235635-056.

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Kühling, Felix, Krister Wolff, and Peter Nordin. "A Brute-Force Approac to Automatic Induction of Machine Code on CISC Architectures." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45984-7_28.

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"Judges of the Moon and Stars: More Material Shared between Zostrianos (NHC VIII,1) and The Untitled Work in the Bruce Codex." In The Embroidered Bible: Studies in Biblical Apocrypha and Pseudepigrapha in Honour of Michael E. Stone. BRILL, 2017. http://dx.doi.org/10.1163/9789004357211_018.

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"Vulnerability Case Study: Brute Force Browsing." In Testing Code Security. Auerbach Publications, 2007. http://dx.doi.org/10.1201/9781420013795-13.

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Whitfield, Stephen J. "The American Jewish Intelligentsia, the Claims of Humor—and the Case of Lenny Bruce." In No Small Matter. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197577301.003.0014.

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Several major American Jewish scholars and intellectuals have addressed the vitality and the pertinence of Jewish humor, seeing in it an entrée not only into key characteristics of communal life but also into the texture of reality itself. These academicians and critics have exposed the encounter between stand-up comedy and the social and political peculiarities of Jewish life in the United States. No comedian attracted more sustained attention than Lenny Bruce, whose career enlarged the contours of what could explored in night clubs and on long-playing records. Perhaps no satirist took greater risks, or exposed himself to greater legal danger, in both subject matter and in language. No predecessor was more willing to flaunt his own Jewish sensibility, or to present with such cynicism the hypocrisies inherent in the codes of conduct by which respectable America professed to live—which is what made Bruce the object of serious interest.
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Billheimer, John. "Family Plot (1976)." In Hitchcock and the Censors. University Press of Kentucky, 2019. http://dx.doi.org/10.5810/kentucky/9780813177427.003.0043.

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There is little in Hitchcock’s final film that could not have been filmed ten years earlier under the Production Code. Double entendres between two of the lead actors, Barbara Harris and Bruce Dern, along with a smattering of swear words, are the only elements that might have been questioned by the Code censors. Critical reviews were mixed, but the film did well at the box office and ended with Barbara Harris winking at the camera, a wink that Hitchcock appropriated for his own image in the ad campaign, which featured him winking at the audience from inside a crystal ball, a fitting end to over fifty years of collaboration with a grateful audience.
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Keats, Jonathon. "Spime." In Virtual Words. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195398540.003.0035.

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The word robot first appeared in print in 1920, forty-one years before robotics became an industrial reality. Derived from the Czech term robota, meaning “forced labor,” the name was given to the automata in R.U.R., a play by Karel Čapek in which machines manufactured by humans eradicate their creators. When the play traveled to the United States in 1922, the New York Times called it “a Czecho-Slovak Frankenstein.” Isaac Asimov was somewhat less charitable in a 1979 essay: “Capek’s play is, in my own opinion, a terribly bad one, but it is immortal for that one word. It contributed the word ‘robot’ not only to English but, through English, to all the languages in which science fiction is now written.” Asimov was himself one of the foremost authors of this genre, coining the word robotics in a 1941 story, and nine years later formulating the Three Laws of Robotics, the first code of conduct for machines. Those laws have immeasurably influenced real-world engineers in the decades since the first working robot, the four-thousand-pound Unimate, was installed in a General Motors plant in 1961, just one example of how Čapek’s immortal word, freed of its trite theatrical frame, has profoundly impacted the evolution of technology. The fate of R.U.R. stimulates a provocative question: Can an effective work of science fiction be written in a single word? At least one seems worthy of consideration. That word is spime. Spime was coined by Bruce Sterling, a Hugo Award–winning author of numerous sci-fi novels that have helped to define cyberpunk. Many of those novels, such as Heavy Weather and Holy Fire, are set in the near future, presenting dystopic visions of what our world might become if we continue to behave as irresponsibly as we have in the past. Heavy Weather, for instance, is a story of a globally warmed environment ravaged by tornadoes, one of which threatens to devastate the planet unless “hacked” by a cyberpunk Storm Troupe.
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"Web Server Hacking." In Constructing an Ethical Hacking Knowledge Base for Threat Awareness and Prevention. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7628-0.ch008.

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Organizational web servers reflect the public image of an organization and serve web pages/information to organizational clients via web browsers using HTTP protocol. Some of the web server software may contain web applications that enable users to perform high-level tasks, such as querying a database and delivering the output through the web server to the client browser as an HTML file. Hackers always try to exploit the different vulnerabilities or flaws existing in web servers and web applications, which can pose a big threat for an organization. This chapter provides the importance of protecting web servers and applications along with the different tools used for analyzing the security of web servers and web applications. The chapter also introduces different web attacks that are carried out by an attacker either to gain illegal access to the web server data or reduce the availability of web services. The web server attacks includes denial of service (DOS) attacks, buffer overflow exploits, website defacement with sql injection (SQLi) attacks, cross site scripting (XSS) attacks, remote file inclusion (RFI) attacks, directory traversal attacks, phishing attacks, brute force attacks, source code disclosure attacks, session hijacking, parameter form tampering, man-in-the-middle (MITM) attacks, HTTP response splitting attacks, cross-site request forgery (XSRF), lightweight directory access protocol (LDAP) attacks, and hidden field manipulation attacks. The chapter explains different web server and web application testing tools and vulnerability scanners including Nikto, BurpSuite, Paros, IBM AppScan, Fortify, Accunetix, and ZAP. Finally, the chapter also discusses countermeasures to be implemented while designing any web application for any organization in order to reduce the risk.
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Conference papers on the topic "Bruce Codex"

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Huang, Shangyao, Hanxu Hou, and Yunghsiang S. Han. "An Improved MDS Condition of Blaum-Bruck-Vardy Codes." In 2018 IEEE 10th International Symposium on Turbo Codes & Iterative Information Processing (ISTC). IEEE, 2018. http://dx.doi.org/10.1109/istc.2018.8625350.

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Luan, Chenyu, Zhen Gao, and Torgeir Moan. "Modelling and Analysis of a Semi-Submersible Wind Turbine With a Central Tower With Emphasis on the Brace System." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10408.

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This paper deals with analysis of the OC4 DeepCWind semi-submersible wind turbine, which is provided by NREL through the OC4 project. This concept is a three-column semi-submersible supporting a 5 MW wind turbine on an additional central column. The fact that the semi-submersible floater needs a large water line restoring moment to achieve sufficient stability and the control of the cost based on the steel weight make the design of braces and pontoons very challenging. Effective methods are needed to check the strength of the brace system based on the response forces and moments in the braces under different design environmental conditions, while the floating wind turbine is needed to be considered as an aero-hydro-servo-elastic system. A novel modeling methodology based on the code Simo/Riflex is introduced in this paper. Simo/Riflex is a state-of-the-art code that can account for the coupling effect between rigid body motions and slender structures (e.g. mooring lines, braces and blades) in the time-domain. Simo/Riflex can be combined with Aerodyn, which is a state-of-the-art aerodynamic code, to model the floating wind turbine as an aero-hydro-servo-elastic system, as well as be combined with simplified aerodynamic codes (e.g.TDHMILL) to improve the efficiency of the numerical simulation. The novel modeling method can give the forces and moments in the brace system of the floater under hydrodynamic and aerodynamic loads in the time-domain. In order to get the structural response of the braces, the side columns and the central supporting column are modeled as independent rigid bodies in Simo while the braces are modeled by beam elements in Riflex. Master and slave relationship is applied at the joints in between of the columns and braces. As an application example, the novel modeling method based on the code Simo/Riflex+TDHMILL, which is capable of modeling the floating wind turbine as an aero-hydro-elastic system, has been used to carry out Ultimate Limit State (ULS) design check for the brace system of the OC4 DeepCWind semi-submersible wind turbine based on relevant standards, i.e. NORSOK N00-3, NORSOK N-004, IEC61400-1, IEC61400-3. The modeling method can also be used by other codes which have similar features as Simo/Riflex.
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Wang, Dong, Jiang Ming, Ting Chen, Xiaosong Zhang, and Chao Wang. "Cracking IoT Device User Account via Brute-force Attack to SMS Authentication Code." In ASIA CCS '18: ACM Asia Conference on Computer and Communications Security. ACM, 2018. http://dx.doi.org/10.1145/3203422.3203426.

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Chakrabarti, Partha, and Abhijeet Chawan. "Nonlinear RPD Analysis of Jack-Up Rigs Including Material Plasticity." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54029.

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Rack Phase Difference or RPD may occur during the installation phase of a jack-up rig when it is jacking up at a location. Instances of failure of leg members of a jack-up have been reported in the past. Therefore, this is an important design issue. Among the many causes of high RPD, important ones are when one of the jack-up spudcans becomes eccentrically supported on the bottom or has lateral offset due to preexisting soft spots in the soil during installation. The resulting moment and shear on the leg is carried essentially by the horizontal guide reactions that may induce high stresses leading to failure of a diagonal brace in extreme cases. In a previous OMAE paper written by the authors [1] the importance of a 3D model of the jack-up that uses non-linear analysis methods by including large deformations and rotations was highlighted. In this paper it was also emphasized that the meaning of RPD has to be understood properly in relationship with moment or shear carrying capacity at the spudcan for a given jack-up. The present paper includes material plasticity effects in addition to the other nonlinearities in the 3D analysis to investigate the failure mechanism of a critical brace. Both applied moments due to the vertical load eccentricity at the spudcan and lateral displacement effects of it are considered. The behavior of a trussed leg jack-up depends heavily on the bracing pattern, chord and bay spacing as well as the size of the braces. For a well-designed jack-up the reserve strength beyond the initial exceedance of the allowable limits of member stress following the codes to the actual physical failure is considered to be important. This reserve strength could prevent actual damages to the rig. This paper discusses these aspects using one particular jack-up as example. The particular jack-up has shown very high RPD and reserve strength when a brace fails due to a large spudcan moment being applied or base deflection. The failure of the brace, however, does not indicate that the ultimate strength of the rig has been reached which is expected to be much higher. Although the analysis is for one particular jack-up, it discusses the parameters that in general could make the reserve strength large indicative of good design. These observations and the overall methodology of analysis used here could be beneficial to other rigs.
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Dier, Adrian F., Philip Smedley, Gunnar Solland, and Hege Bang. "New Data on the Capacity of X-Joints Under Tension and Implications for Codes." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57650.

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This paper reviews available static strength data and presents results of finite element analyses on first crack loads and ultimate loads of X-joints in tension. A critique of existing guidance for such joints is given. An examination of hot spot stress for such joints is presented, together with new capacity formulations based on test data. The new formulations are verified with reference to new data from a finite element analysis. The new capacity formulations will be of interest to regulatory authorities, to designers of new offshore installations and to engineers carrying out assessments of existing structures. It is also expected that the formulations will be considered by code drafting committees, e.g. for API RP2A, ISO 19902 and NORSOK, during code revisions. The paper demonstrates that present guidance is unduly conservative in two respects: (1) high γ joints (i.e. thin-walled chords) in the range 0.7 ≤ β ≤ 0.9 joints (i.e. moderately high brace/chord diameter ratios), and (2) joints with β = 1.0 having low γ. However, it is shown that present guidance may be optimistic for low γ joints with β < 0.9. The new capacity formulations proposed in this paper correct these deficiencies. As one example, the new formulations give an increase of 60% in capacity compared to existing guidance for a joint with β = 1.0 and γ = 10, not untypical of many joints in service. In the near term, the paper may be most appreciated by those involved with structural integrity assessment studies. There have been some recent examples where existing guidance has indicated that some primary structural joints are under-strength. This has prompted extensive numerical work to prove the adequacy of the joints. A worst case scenario would be the implementation of unnecessary offshore strengthening work.
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Suckling, Paul, Nicola Calder, Paul Humphreys, Fraser King, and Helen Leung. "The Development and Use of T2GGM: A Gas Modelling Code for the Postclosure Safety Assessment of OPG’s Proposed L&ILW Deep Geologic Repository, Canada." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16291.

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As part of the postclosure safety assessment of Ontario Power Generation’s (OPG’s) proposed Deep Geologic Repository (DGR) for Low and Intermediate Level Waste (L&ILW) at the Bruce site, Ontario, a Gas Generation Model (GGM) has been developed and used to model the detailed generation of gas within the DGR due to corrosion and microbial degradation of the organics and metals present. The GGM is based on a kinetic description of the various microbial and corrosion processes that lead to the generation and consumption of various gases. It takes into account the mass-balance equations for each of the species included in the model, including three forms of organic waste (cellulose, ionexchange resins, and plastics and rubbers), four metallic waste forms and container materials (carbon and galvanised steel, passivated carbon steel, stainless steel and nickel-based alloys, and zirconium alloys), six gases (CO2, N2, O2, H2, H2S, and CH4), five terminal electron acceptors (O2, NO3−, Fe(III), SO42−, and CO2), five forms of biomass (aerobes, denitrifiers, iron reducers, sulphate reducers, and methanogens), four types of corrosion product (FeOOH, FeCO3, Fe3O4, and FeS), and water. The code includes the possibility of the limitation of both microbial and corrosion reactions by the availability of water. The GGM has been coupled with TOUGH2 to produce T2GGM; a code that models the generation of gas in the repository and its subsequent transport through the geosphere. T2GGM estimates the peak repository pressure, long time repository saturation and the total flux of gases from the geosphere. The present paper describes the development of T2GGM and the numerical modelling work undertaken to calculate the generation and build-up of gas in the repository, the two-phase exchange of gas and groundwater between the repository and the surrounding rock, and between the rock and the surface environment. The results have been used to inform the safety assessment modelling.
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Zhang, Zheming, and Ramesh Agarwal. "Numerical Simulation and Optimization of CO2 Sequestration in Saline Aquifers." In ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/es2012-91006.

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With recent concerns on CO2 emissions from coal fired electricity generation plants; there has been major emphasis on the development of safe and economical Carbon Dioxide Capture and Sequestration (CCS) technology worldwide. Saline reservoirs are attractive geological sites for CO2 sequestration because of their huge capacity for sequestration. Over the last decade, numerical simulation codes have been developed in U.S, Europe and Japan to determine a priori the CO2 storage capacity of a saline aquifer and provide risk assessment with reasonable confidence before the actual deployment of CO2 sequestration can proceed with enormous investment. In U.S, TOUGH2 numerical simulator has been widely used for this purpose. However at present it does not have the capability to determine optimal parameters such as injection rate, injection pressure, injection depth for vertical and horizontal wells etc. for optimization of the CO2 storage capacity and for minimizing the leakage potential by confining the plume migration. This paper describes the development of a “Genetic Algorithm (GA)” based optimizer for TOUGH2 that can be used by the industry with good confidence to optimize the CO2 storage capacity in a saline aquifer of interest. This new code including the TOUGH2 and the GA optimizer is designated as “GATOUGH2”. It has been validated by conducting simulations of three widely used benchmark problems by the CCS researchers worldwide: (a) Study of CO2 plume evolution and leakage through an abandoned well, (b) Study of enhanced CH4 recovery in combination with CO2 storage in depleted gas reservoirs, and (c) Study of CO2 injection into a heterogeneous geological formation. Our results of these simulations are in excellent agreement with those of other researchers obtained with different codes. The validated code has been employed to optimize the proposed water-alternating-gas (WAG) injection scheme for (a) a vertical CO2 injection well and (b) a horizontal CO2 injection well, for optimizing the CO2 sequestration capacity of an aquifer. These optimized calculations are compared with the brute force nearly optimized results obtained by performing a large number of calculations. These comparisons demonstrate the significant efficiency and accuracy of GATOUGH2 as an optimizer for TOUGH2. This capability holds a great promise in studying a host of other problems in CO2 sequestration such as how to optimally accelerate the capillary trapping, accelerate the dissolution of CO2 in water or brine, and immobilize the CO2 plume.
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8

Little, Richard, John Avis, Nicola Calder, et al. "A Preliminary Postclosure Safety Assessment of OPG’s Proposed L&ILW Deep Geologic Repository, Canada." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16289.

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Ontario Power Generation (OPG) is proposing to build a Deep Geologic Respository (DGR) for Low and Intermediate Level Waste (L&ILW) near the existing Western Waste Management Facility at the Bruce site in the Municipality of Kincardine, Ontario. The Nuclear Waste Management Organization (NWMO), on behalf of OPG, is currently preparing an Environmental Impact Statement (EIS) and Preliminary Safety Report (PSR) for the proposed repository. This involves investigation of the site’s geological and surface environmental characteristics, conceptual design of the DGR, and technical studies to demonstrate the operational and long-term safety of the proposed facility. A preliminary postclosure safety assessment (SA) was undertaken in 2008 and 2009. Consistent with the guidelines for the preparation of the EIS for the DGR and the regulatory guide on assessing the long-term safety of radioactive waste management, the SA evaluated the DGR’s performance and its potential impact on human health and the environment through pathway analysis of contaminant releases, contaminant transport, receptor exposure and potential effects. Consideration was given to the expected long-term evolution of the repository and site following closure (the Normal Evolution Scenario) and four disruptive (“what if”) scenarios (Human Intrusion, Severe Shaft Seal Failure, Open Borehole, and Extreme Earthquake), which considered events with uncertain or low probability that could disrupt the repository system. Conceptual and mathematical models were developed and then implemented in a range of software tools including AMBER, to provide estimates of impacts such as dose, FRAC3DVS, for detailed 2D and 3D groundwater flow and transport calculations, and T2GGM, a code that couples the Gas Generation Model (GGM) and TOUGH2 and models the generation of gas in the repository and its subsequent 2D transport through the geosphere. Calculations have been undertaken to assess the impact of radionuclides on human and non-human biota and the impact of non-radioactive species on humans and the environment. The results indicate that the DGR system provides a high level of postclosure safety.
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Huang, Dongli, and Hany S. Abdel-Khalik. "Development of Uncertainty Quantification Capability for NESTLE." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67797.

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This work aims to develop an uncertainty analysis methodology for the propagation and quantification of the effects of nuclear cross-section uncertainties on important core-wide attributes, such as power distribution and core critical eigenvalue. Given the computationally taxing nature of this endeavor, our goal is to develop a methodology capable of preserving the accuracy of brute force sampling techniques for uncertainty quantification while realizing the efficiency of deterministic techniques. To achieve that, a reduced order modeling (ROM) approach is proposed to deal with the enormous size of the uncertainty space, comprising all the cross-section few-group parameters required in core-wide simulation. The idea is to generate a compressed representation of the uncertainty space, as represented by a covariance matrix, that renders sampling techniques computationally a feasible option for quantifying and prioritizing the various sources of uncertainties. While the proposed developments are general to any reactor physics computational sequence, we customize our approach to the NESTLE [1]-TRITON [2] computational sequence, which will serve as a demonstrative tool for the implementation of our approach. NESTLE is a software used for core wide simulation, which relies on the few-group cross-sections to calculate core wide attributes over multiple cycles of depletion. Its input cross-sections are generated using a matrix of conditions evaluated using a lattice physics code, which in our implementation is done using the TRITON software of the ORNL’ SCALE suit. This manuscript presents one of the early steps towards this goal. Specifically, we focus here on the development of the algorithms for determining the reduced dimension of covariance matrix. Numerical experiment using the TRITON software is employed to demonstrate how the reduction is achieved.
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Burk, Reinhard, Frederic Jacquelin, and Russell Wakeman. "Using Co-Simulation Methods to Establish Variable Valve Actuation Hardware Specifications and Control Strategies." In ASME 2001 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-ice-427.

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Abstract With the increasing recognition that variable valve actuation (VVA) in its various forms is a powerful tool for optimizing the performance of internal combustion engines, more and more production systems are being designed and implemented throughout the industry. However, as these control systems become more capable of altering lift, timing, duration, and even the number of valve events, the complexity of designing algorithms and calibrating them becomes enormous. In addition, without prior knowledge of an engine’s response to these algorithms, designing a cost-effective mechanism which provides adequate but not over-reaching capability is difficult. Ricardo has developed methodology for timestep coupled simulations which enables the use of one-dimensional (1-D) gas dynamics simulation of engine performance (WAVE™) coupled to a simulation of the valve actuation mechanism constructed in MATLAB® and AMESim®. This arrangement allows valve motion input to the 1-D code to be controlled either manually or by a VVA controller simulation, allowing such engine parameters as torque, fuel consumption, NVH, and EGR rates to be monitored as a function of valve timing strategy. This method allows the examination of such engine development concerns as tolerances, valve velocities and accelerations, and interactions with other engine controls to be studied without the costs, leadtimes, or hardware reliability problems that are associated with prototyping a VVA system. In addition, the interfacing of the valve control/engine performance simulation combination with the Design of Experiments optimization software iSIGHT allows the control system space to be explored automatically, without the brute force numerical search required to examine all permutations of the control strategies. The output of this procedure is an array of requirements which can be quickly translated into a specification document which will guide hardware and controls design efforts.
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