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Relevant bibliographies by topics / Theory of the critical distance

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Academic literature on the topic 'Theory of the critical distance'

Author: Grafiati

Published: 21 February 2023

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Journal articles on the topic "Theory of the critical distance"

1

O'Brien, John. "Critical Distance." Paragraph 29, no. 1 (2006): 108–19. http://dx.doi.org/10.3366/prg.2006.0007.

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2

Hattori, Toshio, and Minoru Yamashita. "OS14-3-3 Fretting Fatigue Life Estimations Based on Critical Distance Theory." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2011.10 (2011): _OS14–3–3—. http://dx.doi.org/10.1299/jsmeatem.2011.10._os14-3-3-.

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3

AKAMA, Makoto, Hiroyuki MATSUDA, Hisayo DOI, and Masahiro TSUJIE. "F405 Fatigue crack initiation life prediction of rails using theory of critical distance and critical plane approach." Proceedings of The Computational Mechanics Conference 2011.24 (2011): _F—54_—_F—57_. http://dx.doi.org/10.1299/jsmecmd.2011.24._f-54_.

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4

Hattori, Toshio, Muhammad Amiruddin Bin Ab Wahab, and Minoru Yamashita. "Low Cycle Fatigue Estimation Based on the Critical Distance Stress Theory." Advanced Materials Research 891-892 (March 2014): 1773–78. http://dx.doi.org/10.4028/www.scientific.net/amr.891-892.1773.

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Generally the critical distance stress theory was applied for the fatigue limit estimation of general structures using fatigue limit of smooth specimen (σw0), and threshold stress intensity factor range (Kth). In this paper we extended this method for the estimation of low cycle fatigue life too. In this method we define the critical distance (rc) on static strength conditions, which is calculated using ultimate tensile strength (σB) and fracture toughness (KIC), in addition to the critical distance on fatigue limit condition (rc). Then the critical distances of any low cycle fatigue condition

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Wahab, Muhammad Amiruddin Bin Ab, Niu Jie, Toshio Hattori, and Minoru Yamashita. "Fatigue Strength and Life Estimation Methods Using Critical Distance Stress Theory." Advanced Materials Research 694-697 (May 2013): 853–63. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.853.

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Generallythe critical distance stress theory was applied for the fatigue limitestimation of general structures. In thismethod, it needs only two parameters, fatiguelimit of smooth specimen (σw0), and threshold stress intensityfactor range (∆Kth). In this paper we extended this method for theestimation of low cycle fatigue lifetoo. In this improvement wedefine the critical distance (rc’) on static strength conditions,which is calculated using ultimate tensile strength (σB) andfracture toughness (KIC), in addition to the critical distance onfatigue limit condition (rc). Then the critical distanc

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Daud, Ruslizam, Ahmad Kamal Ariffin, Shahrum Abdullah, and Al Emran Ismail. "Fatigue Failure Analysis Using the Theory of Critical Distance." Key Engineering Materials 462-463 (January 2011): 663–67. http://dx.doi.org/10.4028/www.scientific.net/kem.462-463.663.

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This paper explores the initial potential of theory of critical distance (TCD) which offers essential fatigue failure prediction in engineering components. The intention is to find the most appropriate TCD approach for a case of multiple stress concentration features in future research. The TCD is based on critical distance from notch root and represents the extension of linear elastic fracture mechanics (LEFM) principles. The approach is allowing possibilities for fatigue limit prediction based on localized stress concentration, which are characterized by high stress gradients. Using the fini

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7

ARAKI, Daiya, Hiroki SANO, Kazuki MASUDA, and Toshio HATTORI. "Fretting Fatigue Strength Improvement Estimation Using Critical Distance Stress Theory." Proceedings of Mechanical Engineering Congress, Japan 2016 (2016): J0470101. http://dx.doi.org/10.1299/jsmemecj.2016.j0470101.

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Muhammad, Amiruddin, Toshio HATTORI, JIE Niu, and Minoru YAMASHITA. "OS1707 Fatigue Life Estimation Based on the Critical Distance Theory." Proceedings of the Materials and Mechanics Conference 2013 (2013): _OS1707–1_—_OS1707–3_. http://dx.doi.org/10.1299/jsmemm.2013._os1707-1_.

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Diehl, H. W. "The Theory of Boundary Critical Phenomena." International Journal of Modern Physics B 11, no. 30 (1997): 3503–23. http://dx.doi.org/10.1142/s0217979297001751.

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An introduction into the theory of boundary critical phenomena and the application of the field-theoretical renormalization group method to these is given. The emphasis is on a discussion of surface critical behavior at bulk critical points of magnets, binary alloys, and fluids. Yet a multitude of related phenomena are mentioned. The most important distinct surface universality classes that may occur for a given universality class of bulk critical behavior are described, and the respective boundary conditions of the associated field theories are discussed. The short-distance singularities of t

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10

Taylor, David. "Microstructural Parameters in the Theory of Critical Distances." Materials Science Forum 567-568 (December 2007): 23–28. http://dx.doi.org/10.4028/www.scientific.net/msf.567-568.23.

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The work described below investigates, for the first time, the link between microstructural parameters such as grain size and the length constant L which is known as the critical distance. L is frequently used in the prediction of failure processes such as brittle fracture and fatigue, initiated at stress concentration features such as notches. Values of L were calculated using data from the literature on the effect of short cracks and notches in steels and ceramics. In some cases, simple relationships could be established between L and the grain size, or other microstructural features. Someti

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Dissertations / Theses on the topic "Theory of the critical distance"

1

Tilak, Shantanu Amod. "Alternative lifeworlds on the Internet: Habermas and democratic distance education." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587177594821112.

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Gorouhi, Hadi. "Novel fatigue analysis of old metallic bridges through the theory of critical distances (TCD)." Thesis, University of Surrey, 2018. http://epubs.surrey.ac.uk/845859/.

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Majority of the railway bridges built in the UK and around the world before the middle of 20th century are of riveted type made of wrought iron or old mild steel. Many of these bridges are approaching their useful design life. Despite their old age, many are still in operation. In-service fatigue cracking and failure in the riveted double-angle connections in such bridges, especially in the rivets and outstanding leg of the angles, had been reported in the past. These connections are one of the most fatigue-prone details found in riveted railway bridges. Fatigue assessment of riveted details i

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Louks, Richard. "Developing the 'Theory of Critical Distances' for practical integrity assessment of real-life structural components." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/14352/.

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This PhD thesis details the research conducted to answer three questions in the field of fracture and fatigue engineering. The opening chapters provide fracture and fatigue background theory as well as a more comprehensive review of the Theory of Critical Distances (TCD), a theory proven to be successful in the assessment of components containing stress concentration features. Chapter 4 details an engineering approach based on the TCD for the static assessment of engineering components containing stress concentrators made of brittle, quasi-brittle and ductile materials; and loaded by any combi

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Leidermark, Daniel. "Crystal plasticity and crack initiation in a single-crystal nickel-base superalloy : Modelling, evaluation and appliations." Doctoral thesis, Linköpings universitet, Hållfasthetslära, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72093.

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In this dissertation the work done in the projects KME-410/502 will be presented.The overall objective in these projects is to evaluate and develop tools for designingagainst fatigue in single-crystal nickel-base superalloys in gas turbines. Experimentshave been done on single-crystal nickel-base superalloy specimens in order toinvestigate the mechanical and fatigue behaviour of the material. The constitutivebehaviour has been modelled and veried by FE-simulations of the experiments.Furthermore, the microstructural degradation during long-time ageing has been investigatedwith respect to the ma

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Yin, Taixiang. "On the use of the Theory of Critical Distances to design notched metallic components against dynamic loading." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/16464/.

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The Theory of Critical Distances (TCD) is a well-known design method allowing the strength of notched/crack components to be estimated accurately by directly post-processing the entire linear elastic stress fields damaging the material in the vicinity of the stress raisers being designed. By taking full advantage of the TCD’s unique features, in this thesis, the TCD is reformulated to make it suitable for predicting the strength of notched metallic materials subjected to dynamic loading by post-processing both linear elastic and elastoplastic stress distributions. The accuracy and reliability

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Bagni, Cristian. "Formalisation of a novel finite element design method based on the combined use of gradient elasticity and the Theory of Critical Distances." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/17118/.

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The present research work is dedicated to the development, implementation and validation of a unified finite element methodology based on the combination of gradient elasticity and the Theory of Critical Distances, for the static and high-cycle fatigue assessment of notched engineering components. The proposed methodology, developed for plane, axisymmetric and three-dimensional problems, takes full advantage of both the TCD's accuracy in estimating static and high-cycle fatigue strength of notched components and of the computational efficiency of gradient elasticity in determining non-local st

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Birochi, Renê. "Uma abordagem crítica para a educação a distância orientada para as microfinanças." reponame:Repositório Institucional do FGV, 2011. http://hdl.handle.net/10438/8189.

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Submitted by Cristiane Oliveira (cristiane.oliveira@fgv.br) on 2011-05-25T13:22:05Z No. of bitstreams: 1 71070100691.pdf: 2593583 bytes, checksum: 2edc9e752f6477521da46c510506f31e (MD5)<br>Approved for entry into archive by Suzinei Teles Garcia Garcia(suzinei.garcia@fgv.br) on 2011-05-25T13:40:05Z (GMT) No. of bitstreams: 1 71070100691.pdf: 2593583 bytes, checksum: 2edc9e752f6477521da46c510506f31e (MD5)<br>Approved for entry into archive by Suzinei Teles Garcia Garcia(suzinei.garcia@fgv.br) on 2011-05-25T13:40:36Z (GMT) No. of bitstreams: 1 71070100691.pdf: 2593583 bytes, checksum: 2edc9e7

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Goodsett, Mandi. "Determining the Extent to Which Information Literacy Online Learning Objects Follow Best Practices for Teaching and Assessing Critical Thinking." Cleveland State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=csu1526048546211971.

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Damas, Helton Luiz Gonçalves. "Tecnologia educacional e possibilidades construtivistas a partir da percepção dos alunos sobre os processos de aprendizagem no curso superior a distância de tecnologia em gestão de turismo CEFET-RJ / CEDERJ." Universidade Federal de São Carlos, 2013. https://repositorio.ufscar.br/handle/ufscar/1106.

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Made available in DSpace on 2016-06-02T19:16:35Z (GMT). No. of bitstreams: 1 4954.pdf: 1847169 bytes, checksum: b9c3dd8da3c79aac53395071325d9f78 (MD5) Previous issue date: 2013-02-21<br>This paper aims to analyze how students from Course of Technology in Tourism Management evaluates the operating platform moodle seeking to prove the relationship between education and technology in accordance with the Critical Theory of Technology from Feenberg. Andrew Feenberg is one of the pioneers of distance education to create a course based on this modality in the 1980s and since then studies the distan

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Batista, Ana Carla Schiavinato. "A (não)diretividade pedagógica na educação a distância." Universidade Federal de São Carlos, 2013. https://repositorio.ufscar.br/handle/ufscar/2659.

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Made available in DSpace on 2016-06-02T19:39:33Z (GMT). No. of bitstreams: 1 5059.pdf: 899945 bytes, checksum: 39caf1fefbf2aca53ad119d52f92bea4 (MD5) Previous issue date: 2013-03-04<br>Financiadora de Estudos e Projetos<br>This search presents a subject that is on top of the currently education scenario, the Distance Education. This new education mode that comes as a promess to breaking barriers of timing and space, still have many things to say about their real consequences regarding education of the individual. Thus arises the importance of this research which aims investigating issues rel

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Books on the topic "Theory of the critical distance"

1

The theory of critical distances: A new perspective in fracture mechanics. Elsevier, 2007.

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Rasmussen, David, and James Swindal. Critical Theory. SAGE Publications Ltd, 2004. http://dx.doi.org/10.4135/9781446261293.

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How, Alan. Critical Theory. Macmillan Education UK, 2003. http://dx.doi.org/10.1007/978-0-230-80237-7.

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4

Hoy, David Couzens. Critical Theory. Blackwell Publishing, 1994.

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Brouwer, A. E. Distance-regular graphs. Springer-Verlag, 1989.

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6

Buckley, Fred. Distance in graphs. Addison-Wesley Pub. Co., 1990.

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Frank, Harary, ed. Distance in graphs. Addison-Wesley Pub. Co, 1989.

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8

1942-, Clifford John, and Schilb John 1952-, eds. Writing theory and critical theory. Modern Language Association of America, 1994.

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9

Latimer, Dan. Contemporary critical theory. Harcourt, Brace, Jovanovich, 1989.

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Stuart, Sim. Introducing critical theory. Icon, 2004.

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Book chapters on the topic "Theory of the critical distance"

1

Taylor, David. "Microstructural Parameters in the Theory of Critical Distances." In Materials Science Forum. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-469-3.23.

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2

Yamashita, Yoichi, Masaharu Shinozaki, Hiroshi Kuroki, and Yusuke Ueda. "Fatigue Life Prediction of Small Notched Ti-6Al-4V Based on The Theory of Critical Distance." In ICAF 2009, Bridging the Gap between Theory and Operational Practice. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2746-7_39.

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3

Paul, Ross. "Introduction to Organization, Leadership, and Change in ODDE: The Critical Importance of Institutional Leadership." In Handbook of Open, Distance and Digital Education. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0351-9_86-1.

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AbstractThis chapter provides an overview of the 11 other chapters in Section III of the Handbook which address issues of Organisation, Leadership and Change. It pays particular attention to the impact of the Covid-19 pandemic on perceptions of ODDE, noting both the benefits of the greatly enhanced international interest in on-line learning and the negative perceptions associated with its misuse during the sudden demand for emergency remote teaching in conventional educational institutions. It envisions a blurring of distinctions between conventional and ODDE institutions with consequent opportunities for the latter. While these issues are pursued through various perspectives in the Section III chapters, there is a unifying theme of the critical importance of institutional leadership throughout and a concomitant focus on how leadership has to change in a rapidly evolving international context. The chapter envisions a bright future for ODDE but only if critical issues of institutional leadership are addressed and if those leading conventional institutions are made aware of the research and experience emanating from the established ODDE sector.

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4

Evans, Terry, and Viktor Jakupec. "Classic Theories of Distance Education." In Handbook of Open, Distance and Digital Education. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0351-9_7-1.

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AbstractThis chapter explores the influence of three of distance education’s classic theorists—Otto Peters, Börje Holmberg, and Michael Moore—on its subsequent conceptualization and practice. The classic theorists’ understanding of theory and theorizing is discussed critically in the context of the articulation of each’s particular theory. This is then contextualized in terms of the history of the development of distance education and its institutions, from Pitman’s correspondence courses on shorthand, through correspondence schooling and higher education external studies, to the rise of the United Kingdom Open University in the 1960s. The latter’s subsequent powerful influence on the theory and practice of open and distance education internationally is described as stimulating a fertile context for the classic theorists’ endeavors. Finally, consideration is given to more recent scholars’ interpretations and adaptations of the classic theories of distance education. This leads to a concluding reflection on the authors’ engagement with distance education theorizing and the prospects for the future of distance education’s theorizing and practice.

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Evans, Terry, and Viktor Jakupec. "Classic Theories of Distance Education." In Handbook of Open, Distance and Digital Education. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-2080-6_7.

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AbstractThis chapter explores the influence of three of distance education’s classic theorists—Otto Peters, Börje Holmberg, and Michael Moore—on its subsequent conceptualization and practice. The classic theorists’ understanding of theory and theorizing is discussed critically in the context of the articulation of each’s particular theory. This is then contextualized in terms of the history of the development of distance education and its institutions, from Pitman’s correspondence courses on shorthand, through correspondence schooling and higher education external studies, to the rise of the United Kingdom Open University in the 1960s. The latter’s subsequent powerful influence on the theory and practice of open and distance education internationally is described as stimulating a fertile context for the classic theorists’ endeavors. Finally, consideration is given to more recent scholars’ interpretations and adaptations of the classic theories of distance education. This leads to a concluding reflection on the authors’ engagement with distance education theorizing and the prospects for the future of distance education’s theorizing and practice.

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6

Brown, Mark. "Leading in Changing Times." In Handbook of Open, Distance and Digital Education. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0351-9_28-1.

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AbstractThis chapter reflects on the challenges and opportunities of leading educational change in today’s digitally connected world. It offers personal insights and critical reflections on learning leadership framed by a wide-angle, multifocal lens that helps zoom in and out to visualize preferred futures. Before outlining a collection of leadership touchstones and critical questions for guiding institutional transformation and then reporting their application in the practice of digital education, the chapter begins by illustrating how the new learning ecology is complex and entangled in competing images of the future. Efforts by educational leaders to build agile and sustainable transformative organizational cultures need to be guided by a clear sense of direction and anchored in a living institutional mission. The role of the National Institute for Digital Learning (NIDL) hosted at Dublin City University (DCU) in Ireland is central to this story, as harnessing the transformative potential of new digital technology is at the heart of its change agenda. After briefly introducing DCU, the chapter reports how the NIDL’s commitment to leadership development and active engagement in global networks are helping to reshape the higher education landscape with a critical digital edge. However, forging a future-focused mission based on multifocal criticality and transformative leadership is not something for the faint-hearted; it requires agency, relational capital, and strategic foresight to move from digital in part to digital at the heart of your organizational culture.

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Brown, Mark. "Leading in Changing Times." In Handbook of Open, Distance and Digital Education. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-2080-6_28.

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AbstractThis chapter reflects on the challenges and opportunities of leading educational change in today’s digitally connected world. It offers personal insights and critical reflections on learning leadership framed by a wide-angle, multifocal lens that helps zoom in and out to visualize preferred futures. Before outlining a collection of leadership touchstones and critical questions for guiding institutional transformation and then reporting their application in the practice of digital education, the chapter begins by illustrating how the new learning ecology is complex and entangled in competing images of the future. Efforts by educational leaders to build agile and sustainable transformative organizational cultures need to be guided by a clear sense of direction and anchored in a living institutional mission. The role of the National Institute for Digital Learning (NIDL) hosted at Dublin City University (DCU) in Ireland is central to this story, as harnessing the transformative potential of new digital technology is at the heart of its change agenda. After briefly introducing DCU, the chapter reports how the NIDL’s commitment to leadership development and active engagement in global networks are helping to reshape the higher education landscape with a critical digital edge. However, forging a future-focused mission based on multifocal criticality and transformative leadership is not something for the faint-hearted; it requires agency, relational capital, and strategic foresight to move from digital in part to digital at the heart of your organizational culture.

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8

Paul, Ross. "Introduction to Organization, Leadership, and Change in ODDE." In Handbook of Open, Distance and Digital Education. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0351-9_86-2.

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AbstractThis chapter provides an overview of the 11 other chapters in Section III of the Handbook which address issues of Organisation, Leadership and Change. It pays particular attention to the impact of the Covid-19 pandemic on perceptions of ODDE, noting both the benefits of the greatly enhanced international interest in on-line learning and the negative perceptions associated with its misuse during the sudden demand for emergency remote teaching in conventional educational institutions. It envisions a blurring of distinctions between conventional and ODDE institutions with consequent opportunities for the latter. While these issues are pursued through various perspectives in the Section III chapters, there is a unifying theme of the critical importance of institutional leadership throughout and a concomitant focus on how leadership has to change in a rapidly evolving international context. The chapter envisions a bright future for ODDE but only if critical issues of institutional leadership are addressed and if those leading conventional institutions are made aware of the research and experience emanating from the established ODDE sector.

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9

Paul, Ross. "Introduction to Organization, Leadership, and Change in ODDE." In Handbook of Open, Distance and Digital Education. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-2080-6_86.

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AbstractThis chapter provides an overview of the 11 other chapters in Section 4 of the handbook which address issues of Organisation, Leadership and Change. It pays particular attention to the impact of the Covid-19 pandemic on perceptions of ODDE, noting both the benefits of the greatly enhanced international interest in on-line learning and the negative perceptions associated with its misuse during the sudden demand for emergency remote teaching in conventional educational institutions. It envisions a blurring of distinctions between conventional and ODDE institutions with consequent opportunities for the latter. While these issues are pursued through various perspectives in the Section 4 chapters, there is a unifying theme of the critical importance of institutional leadership throughout and a concomitant focus on how leadership has to change in a rapidly evolving international context. The chapter envisions a bright future for ODDE but only if critical issues of institutional leadership are addressed and if those leading conventional institutions are made aware of the research and experience emanating from the established ODDE sector.

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10

Plekhov, Oleg A., Alena I. Vedernikova, and Anastasiia A. Kostina. "Theory of Critical Distances as a Method of Failure Prediction Under Dynamic Loading." In Advanced Structured Materials. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79325-8_16.

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Conference papers on the topic "Theory of the critical distance"

1

D'yachkov, A., A. Voronina, A. Macula, T. Renz, and V. Rykov. "On critical relative distance of DNA codes for additive stem similarity." In 2010 IEEE International Symposium on Information Theory - ISIT. IEEE, 2010. http://dx.doi.org/10.1109/isit.2010.5513751.

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Nakahara, Tetsuya, Yusuke Ueda, and Hiroshi Nakamura. "Development of Life Prediction Method of Turbine Blade Using the Theory of Critical Distance." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68742.

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Gas turbine blades mounted dovetail root are subjected to high centrifugal loads and gas forces. This situation causes low cycle fatigue (LCF). Recently, rotating speed and temperature of turbine rotor become higher in order to improve engine performance. To achieve this, it is required to evaluate accurate turbine blade’s LCF life of the contact surface between the blade dovetail root and the disk. However, the estimated blade lives using the peak stress calculated by finite element analysis (FEA) are much shorter than actual life because the stress at contact surface is excessively high. As

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3

Chattopadhyay, Somnath. "S-N Curves in Pressure Vessel Steels Using Theory of Critical Distances." In ASME 2008 Pressure Vessels and Piping Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/pvp2008-61592.

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The S-N technology used in the ASME Code and similar design criteria includes both crack initiation and crack propagation phases of fatigue failure. Some of the pressure vessel construction codes have used the simplified fatigue initiation criterion based on stresses calculated at a distance of 0.05 mm from the surface crack. In this work such techniques have been assessed for pressure vessels in light of the theory of critical distances. This method has been used to generate S-N curves for typical materials such as medium carbon steels, nickel chrome steels and stainless steels. Separate tech

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Marcon, Lucas, Pablo Tonetti Anselmo, Vagner Nascimento, Alexandre Vieceli, and Leandro Corso. "Virtual Brake Spider Validation Method Based on Theory of Critical Distance and Experimental Bench Tests." In 15th SAE Brasil International Brake and Motion Control Colloquium & Engineering Exhibition. SAE International, 2022. http://dx.doi.org/10.4271/2021-36-0419.

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Dias, Jéssica Nayara, JORGE FERREIRA, and Letícia Silva. "Behavior of the distribution of life in notched components according to TCD (Theory of critical distance)." In 24th ABCM International Congress of Mechanical Engineering. ABCM, 2017. http://dx.doi.org/10.26678/abcm.cobem2017.cob17-1567.

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Barnett, Ralph L., Susanne A. Glowiak, and Peter J. Poczynok. "Stochastic Theory of Human Slipping." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32450.

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The conventional approach to human slipping is essentially deterministic; it states that no slipping will occur when the average friction coefficient is greater than some critical friction criterion. Under this condition, pedestrians will not slip when they encounter the average friction coefficient. On the other hand, to successfully negotiate a walk of n-steps they must not slip when they encounter the smallest of the n friction coefficients. Consequently, a new slip theory has been formulated as a problem in extreme value statistics. An elegant relationship is obtained among the probability

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González, P., S. Cicero, B. Arroyo, and J. A. Álvarez. "Analysis of Environmentally Assisted Cracking in S420 Steel by Using the Theory of Critical Distances." In ASME 2019 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/pvp2019-93145.

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Abstract The behavior of S420 steel under cathodic polarization in low pH aqueous environment is analyzed following the assumptions of the Theory of Critical Distances. This methodology has been successfully applied in fracture and fatigue analysis, but it has not been employed yet under stress corrosion cracking or hydrogen embrittlement conditions. This work focuses on the problem of environmentally assisted cracking by using the Point Method and the Line Method, both of them belonging to the Theory of Critical Distances. Fracture mechanic tests were carried out, using a slow strain rate mac

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Terekhina, Alena, Anastasiya Kostina, and Oleg Plekhov. "Application of the theory of critical distances for the estimation of fracture under dynamic loading." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2017 (AMHS’17). Author(s), 2017. http://dx.doi.org/10.1063/1.5013899.

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Krasowski, D., T. Kisielewicz, B. Kuca, Z. Flisowski, F. Fiamingo, and C. Mazzetti. "On critical distance between an spd and protected appliance with respect to their voltage coordination." In 2010 30th International Conference on Lightning Protection (ICLP). IEEE, 2010. http://dx.doi.org/10.1109/iclp.2010.7845969.

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Taylor, David, and Saeid Kasiri. "A Critical Distance Analysis of the Effect of Crack Length on Toughness and Fatigue in Compact Bone." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192304.

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The plane strain fracture toughness, KIC, has a constant value for long cracks, but when specimens containing short cracks are tested it is often found that the measured toughness is less than the long-crack value, and tends to decrease with decreasing crack length. A similar effect occurs when measuring the cyclic stress intensity range, ΔK, corresponding to a given rate of crack growth da/dN. Some experimental data are available in the published literature to show that cortical bone displays these short-crack effects for crack lengths of the order of millimeters or less. The hypothesis of th

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Reports on the topic "Theory of the critical distance"

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Savchenko, Sergii V., Svitlana O. Shekhavtsova, and Vladimir I. Zaselskiy. The development of students' critical thinking in the context of information security. [б. в.], 2020. http://dx.doi.org/10.31812/123456789/4420.

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The problem of students’ critical thinking development in the context of information security becomes important in international and national educational policies as a means of fostering active citizenship and in turn sustainable development. The purpose of the given research is to introduce theoretical substantiation and experimental approbation of students’ critical thinking development in the context of information security. The skills of critical thinking help students to cope with the bulk of information they daily receive. However, there is still no conventional methodology for critical

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Johnson, Eric M., Robert Urquhart, and Maggie O'Neil. The Importance of Geospatial Data to Labor Market Information. RTI Press, 2018. http://dx.doi.org/10.3768/rtipress.2018.pb.0017.1806.

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School-to-work transition data are an important component of labor market information systems (LMIS). Policy makers, researchers, and education providers benefit from knowing how long it takes work-seekers to find employment, how and where they search for employment, the quality of employment obtained, and how steady it is over time. In less-developed countries, these data are poorly collected, or not collected at all, a situation the International Labour Organization and other donors have attempted to change. However, LMIS reform efforts typically miss a critical part of the picture—the geosp

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Andrabi, Tahir, Benjamin Daniels, and Jishnu Das. Human Capital Accumulation and Disasters: Evidence from the Pakistan Earthquake of 2005. Research on Improving Systems of Education (RISE), 2020. http://dx.doi.org/10.35489/bsg-risewp_2020/039.

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We trace the effects of a devastating earthquake that occurred in Northern Pakistan in 2005. Using a new dataset from a survey conducted four years after the earthquake, we first show that the distance of the household from the fault line was not correlated with pre-existing household characteristics, while it was strongly predictive of earthquake-related damage and mortality. Through emergency relief aid, households living close to the fault line reported receiving substantial cash compensation that amounted to as much as 150% of their annual household consumption expenditure. Four years afte

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Rojas Scheffer, Raquel. http://mecila.net/wp-content/uploads/2020/11/WP-27-Rojas-Scheffer_Online.pdf. Maria Sibylla Merian International Centre for Advanced Studies in the Humanities and Social Sciences Conviviality-Inequality in Latin America, 2020. http://dx.doi.org/10.46877/rojasscheffer.2020.27.

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Households that hire domestic workers are a space of compulsive encounters where people of different origins and social class meet, experiencing physical proximity that makes the social distance that prevails between them even more noticeable. Drawing on current research and scholarship on paid domestic work in Latin America, this paper explores the different ways of analysing the encounters of women from highly unequal social positions in the narrowness of the private household, arguing that the combination of physical proximity and affective ties fosters the (re)production of social inequali

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Díaz de Astarloa, Bernardo, Nanno Mulder, Sandra Corcuera-Santamaría, et al. Post Pandemic Covid-19 Economic Recovery: Enabling Latin America and the Caribbean to Better Harness E-commerce and Digital Trade. Edited by Marcee Gómez. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003436.

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This report shows that Latin America and the Caribbean faces critical policy challenges going forward. It must accelerate the digital transformation to allow businesses and consumers to adapt to a new normal and leverage pandemic recovery to create stronger economies, and also tackle long-standing barriers to adopting digital technologies and bridging digital divides. These have impeded sustained and equitable economic growth even before the pandemic struck. This crisis should be a wake-up call for governments, the private sector, civil society, and international development partners to come t

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Sablina, V. A. The distance learning course «Theory of Computational Processes and Structures». OFERNIO, 2018. http://dx.doi.org/10.12731/ofernio.2018.23537.

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Prokaznikova, E. N. The distance learning course «The Mathematical Logic and Theory of Algorithms». OFERNIO, 2018. http://dx.doi.org/10.12731/ofernio.2018.23531.

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Silverstein, Eva M. de Sitter Space in Non-Critical String Theory. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/799932.

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Ilyin, M. E. The distance learning course «Theory of probability, mathematical statistics and random functions». OFERNIO, 2018. http://dx.doi.org/10.12731/ofernio.2018.23529.

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Kishimoto, Y., T. Tajima, W. Horton, M. J. LeBrun, and J. Y. Kim. Theory of self-organized critical transport in tokamak plasmas. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/100314.

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