Relevant bibliographies by topics / Formal deformations

Contents

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

Academic literature on the topic 'Formal deformations'

Author: Grafiati
Published: 10 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Formal deformations"

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Fialowski, Alice, and Michael Penkava. "On singular formal deformations." Archiv der Mathematik 106, no. 5 (2016): 431–38. http://dx.doi.org/10.1007/s00013-016-0894-2.

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Blanc, Anthony, Ludmil Katzarkov, and Pranav Pandit. "Generators in formal deformations of categories." Compositio Mathematica 154, no. 10 (2018): 2055–89. http://dx.doi.org/10.1112/s0010437x18007303.

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In this paper we use the theory of formal moduli problems developed by Lurie in order to study the space of formal deformations of a$k$-linear$\infty$-category for a field$k$. Our main result states that if${\mathcal{C}}$is a$k$-linear$\infty$-category which has a compact generator whose groups of self-extensions vanish for sufficiently high positive degrees, then every formal deformation of${\mathcal{C}}$has zero curvature and moreover admits a compact generator.
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Keller, Frank, and Stefan Waldmann. "Formal deformations of Dirac structures." Journal of Geometry and Physics 57, no. 3 (2007): 1015–36. http://dx.doi.org/10.1016/j.geomphys.2006.08.005.

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Grinberg, M., and D. Kazhdan. "Versal deformations of formal arcs." Geometric and Functional Analysis 10, no. 3 (2000): 543–55. http://dx.doi.org/10.1007/pl00001628.

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Huebschmann, Johannes. "The formal Kuranishi parameterization via the universal homological perturbation theory solution of the deformation equation." Georgian Mathematical Journal 25, no. 4 (2018): 529–44. http://dx.doi.org/10.1515/gmj-2018-0054.

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AbstractUsing homological perturbation theory, we develop a formal version of the miniversal deformation associated with a deformation problem controlled by a differential graded Lie algebra over a field of characteristic zero. Our approach includes a formal version of the Kuranishi method in the theory of deformations of complex manifolds.
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BOURQUI, DAVID, and JULIEN SEBAG. "DEFORMATIONS OF DIFFERENTIAL ARCS." Bulletin of the Australian Mathematical Society 94, no. 3 (2016): 405–10. http://dx.doi.org/10.1017/s0004972716000459.

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Let$k$be field of characteristic zero. Let$f\in k[X,Y]$be a nonconstant polynomial. We prove that the space of differential (formal) deformations of any formal general solution of the associated ordinary differential equation$f(y^{\prime },y)=0$is isomorphic to the formal disc$\text{Spf}(k[[Z]])$.
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Remm, Elisabeth. "Deformation Quantization of Nonassociative Algebras." Mathematics 13, no. 1 (2024): 58. https://doi.org/10.3390/math13010058.

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We investigate formal deformations of certain classes of nonassociative algebras including classes of K[Σ3]-associative algebras, Lie-admissible algebras and anti-associative algebras. In a process which is similar to Poisson algebra for the associative case, we identify for each type of algebras (A,μ) a type of algebras (A,μ,ψ) such that formal deformations of (A,μ) appear as quantizations of (A,μ,ψ). The process of polarization/depolarization associates to each nonassociative algebra a couple of algebras which products are respectively commutative and skew-symmetric and it is linked with the
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DEMCHENKO, OLEG, and ALEXANDER GUREVICH. "GROUP ACTION ON THE DEFORMATIONS OF A FORMAL GROUP OVER THE RING OF WITT VECTORS." Nagoya Mathematical Journal 235 (December 20, 2017): 42–57. http://dx.doi.org/10.1017/nmj.2017.43.

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A recent result by the authors gives an explicit construction for a universal deformation of a formal group $\unicode[STIX]{x1D6F7}$ of finite height over a finite field $k$ . This provides in particular a parametrization of the set of deformations of $\unicode[STIX]{x1D6F7}$ over the ring ${\mathcal{O}}$ of Witt vectors over $k$ . Another parametrization of the same set can be obtained through the Dieudonné theory. We find an explicit relation between these parameterizations. As a consequence, we obtain an explicit expression for the action of $\text{Aut}_{k}(\unicode[STIX]{x1D6F7})$ on the s
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Miyajima, Kimio. "ANALYTIC APPROACH TO DEFORMATION OF RESOLUTION OF NORMAL ISOLATED SINGULARITIES: FORMAL DEFORMATIONS." Journal of the Korean Mathematical Society 40, no. 4 (2003): 709–25. http://dx.doi.org/10.4134/jkms.2003.40.4.709.

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Tang, Rong, Yunhe Sheng, and Yanqiu Zhou. "Deformations of relative Rota–Baxter operators on Leibniz algebras." International Journal of Geometric Methods in Modern Physics 17, no. 12 (2020): 2050174. http://dx.doi.org/10.1142/s0219887820501741.

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In this paper, we introduce the cohomology theory of relative Rota–Baxter operators on Leibniz algebras. We use the cohomological approach to study linear and formal deformations of relative Rota–Baxter operators. In particular, the notion of Nijenhuis elements is introduced to characterize trivial linear deformations. Formal deformations and extendibility of order [Formula: see text] deformations of a relative Rota–Baxter operator are also characterized in terms of the cohomology theory.
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Dissertations / Theses on the topic "Formal deformations"

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Leitner, Frederick Carl. "Deformation Theory of Non-Commutative Formal Groups in Positive Characteristic." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1234%5F1%5Fm.pdf&type=application/pdf.

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Espath, Luis Felipe da Rosa. "Otimização de forma de cascas via deformação livre de forma baseado em NURBS." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/19043.

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Neste trabalho buscou-se consolidar a união entre três áreas do conhecimento: a parametrização de curvas e superfícies do tipo B-spline racionais não-uniformes (NURBS), a otimização matemática e a análise estrutural por elementos finitos. A união destas três áreas é realizada neste trabalho através da otimização de formas de cascas, devido ao fato de que as características mecânicas dos materiais devem refletir-se na forma da estrutura e sua distribuição de espessura expressando um máximo desempenho. Estas variáveis, forma e distribuição de espessura, possuem um rol dominante nos projetos de e
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Hurle, Benedikt. "Deformation and Quantization of color Lie bialgebras and alpha-type cohomologies for Hom-algebras." Thesis, Mulhouse, 2018. http://www.theses.fr/2018MULH1819/document.

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La première partie de la thèse traite des déformations et quantification de bialgèbres de Lie. L'existence d'une quantification pour chaque bialgèbre de Lie a été démontrée par Etingof et Kazhdan. Dans ce travail, on s'intéresse au cas des bialgèbres de Lie colorée, c'est à dire une structure de bialgèbres de Lie sur un espace gradué par un groupe quelconque et un bicaractère. A cet effet, on adapte la preuve de Etingof et Kazhdan et on introduit une généralisation au cas coloré du grand crochet introduit par Lecomte et Roger. Par ailleurs nous définissons une cohomologie pour les algèbres et
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Tartière, Jérémie. "Prediction of deformation and residual stress in the high explosive hydroforming process using numerical simulation." Electronic Thesis or Diss., Brest, École nationale supérieure de techniques avancées Bretagne, 2022. http://www.theses.fr/2022ENTA0008.

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Avant la pandémie de COVID-19, Airbus recevait de plus en plus de commandes d'aéronefs, et espérait, via l’hydroformage par explosif, pouvoir répondre à davantage de demandes. Pour éviter des coûts supplémentaires pour le développement d’une nouvelle technique, la simulation numérique est utilisée. Toutefois, le temps nécessaire, que ce soit de calcul ou ingénieur, est trop important et la précision parfois insuffisante pour permettre une intégration facile au sein des différents projets concernés. De plus, la viabilité du procédé en vue d’une industrialisation doit être considérée. Pour répon
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Butin, Frédéric. "Structures de Poisson sur les Algèbres de Polynômes, Cohomologie et Déformations." Thesis, Lyon 1, 2009. http://www.theses.fr/2009LYO10192/document.

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La quantification par déformation et la correspondance de McKay forment les grands thèmes de l'étude qui porte sur des variétés algébriques singulières, des quotients d'algèbres de polynômes et des algèbres de polynômes invariants sous l'action d'un groupe fini. Nos principaux outils sont les cohomologies de Poisson et de Hochschild et la théorie des représentations. Certains calculs formels sont effectués avec Maple et GAP. Nous calculons les espaces d'homologie et de cohomologie de Hochschild des surfaces de Klein, en développant une généralisation du Théorème de HKR au cas de variétés non l
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Torres, Ivan Francisco Ruiz. "Efeito da deformação por cortante no cálculo de edifícios de andares múltiplos com núcleos estruturais." Universidade de São Paulo, 1999. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-13122017-154253/.

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O principal objetivo deste trabalho é realizar a análise estrutural de edifícios de andares múltiplos que apresentam núcleos resistentes, considerando a deformação pelo esforço cortante nos mesmos, bem como nos pilares. Para atingir esse objetivo, será preciso que o comportamento à flexão dos elementos verticais de contraventamento passe a ser regido pela teoria de barras de Timoshenko e não mais pela de Euler-Bernoulli. Foram então desenvolvidos algoritmos que, utilizando o Método dos Elementos Finitos (MEF), permitem calcular os fatores de forma de quaisquer seções transversais abertas de pa
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Mraizika, Florence. "Evolutions microstructurales en compression à chaud des alliages de titane betacez et 6246 et influence du forgeage sur la transformation [beta] -> [alpha]." Grenoble INPG, 1996. http://www.theses.fr/1996INPG4206.

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Les relations entre les gammes thermomecaniques et les microstructures des alliages de titane sont encore insuffisament connues. Ce travail se propose d'ameliorer la connaissance des etats structuraux resultant du forgeage beta et de ceux resultant de la transformation beta vers alpha-beta ulterieure. Les influences des deux parametres taux et vitesse de deformation sur les evolutions microstructurales et texturales se produisant lors du forgeage ainsi que de la transformation beta/alpha sont systematiquement explorees. Les evolutions texturales mettent en evidence une augmentation de la compo
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Brito, Ieverton Caiandre Andrade. "Influência da ciclagem térmica nas temperaturas de transformação de fase e quantificação das deformações residuais em ligas com memória de forma cu-al-be-nb-ni." Universidade Federal da Paraí­ba, 2012. http://tede.biblioteca.ufpb.br:8080/handle/tede/5339.

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Made available in DSpace on 2015-05-08T14:59:43Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 3419531 bytes, checksum: 47a7d7cdb7277fb0c7f884e30a96df42 (MD5) Previous issue date: 2012-09-14<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In this work was evaluated the influence of multiple quenching in the peak temperatures of phase transformation (PTPT) in the alloy Cu-11.8Al-0.6Be-0.5Nb-0.27Ni (%wt), as well as the influence that deformation applied in temperatures above Ms, at nominal composition Cu-11.8Al-0.6Be-0.5Nb-0.27Ni, Cu-11.8Al-0.55Be-0.5Nb-0.27Ni and Cu-11.8Al-
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Lefèvre, Louis-Clément. "Théorie de Hodge mixte et variétés des représentations des groupes fondamentaux des variétés algébriques complexes." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAM029/document.

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La théorie de Hodge mixte de Deligne fournit des structures supplémentaires sur les groupes de cohomologie des variétés algébriques complexes. Depuis, des structures de Hodge mixtes ont été construites sur les groupes d'homotopie rationnels de telles variétés par Morgan et Hain. Dans cette lignée, nous construisons des structures de Hodge mixtes sur des invariants associés aux représentations linéaires des groupes fondamentaux des variétés algébriques complexes lisses. Le point de départ est la théorie de Goldman et Millson qui relie la théorie des déformations de telles représentations à la t
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Mansouri, Lotfi zoher. "Analyse des instabilités plastiques dans les matériaux ductiles endommageables : application à la prédiction de la striction et de la formabilité des tôles métalliques." Thesis, Paris, ENSAM, 2014. http://www.theses.fr/2014ENAM0059/document.

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La striction diffuse et localisée sont des phénomènes précurseurs à la rupture ductile et représentent l'une des principales causes de rebut des pièces métalliques au cours de leur mise en forme. La mise en œuvre d'outils théoriques et numériques capables de prédire l'apparition de ces défauts s'avère nécessaire pour des raisons économiques et environnementales. Ces outils nécessitent en partie l'intégration d'un modèle de comportement adéquat permettant de reproduire les phénomènes physiques mis en jeu. Un tel modèle de comportement est ensuite couplé à un indicateur d'instabilité plastique o
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Books on the topic "Formal deformations"

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Rozenblyum, Nick, and Dennis Gaitsgory. Study in Derived Algebraic Geometry : Volume II: Deformations, Lie Theory and Formal Geometry. American Mathematical Society, 2020.

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Study in Derived Algebraic Geometry : Volume II: Deformations, Lie Theory and Formal Geometry. American Mathematical Society, 2017.

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Earl, Richard. Topology: A Very Short Introduction. Oxford University Press, 2019. http://dx.doi.org/10.1093/actrade/9780198832683.001.0001.

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Topology, the mathematical study of the properties that are preserved through the deformations, twistings, and stretchings of objects, is an important area of modern mathematics. Topology: A Very Short Introduction provides a sense of the more visual elements of topology (looking at surfaces) as well as covering the formal definition of continuity. Considering some of the eye-opening examples that led mathematicians to recognize a need for studying topology, it pays homage to the historical people, problems, and surprises that have propelled the growth of this field. As broad and fundamental a
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Schreier, Hubert, Michael A. Sutton, and Jean-Jose Orteu. Image Correlation for Shape, Motion and Deformation Measurements: Basic Concepts,Theory and Applications. Springer London, Limited, 2009.

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Carmichael, Cathie. Nationalisms in International Conflict. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190846626.013.268.

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Nationalism has made a significant contribution to state formation, but also to state deformation, secessionist movements, and wars. In international relations, nationalism has emerged as a particularly pressing problem over the question of disputed territorial boundaries. Indeed, nationalist movements seeking to change or revise boundaries by either negotiation, stealth, or force have been one of the most fundamental causes of both international and internal conflict in the modern era. The case of Bosnia-Hercegovina is a classic example of a long-running nationalist conflict which has had a p
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Pediatric ICD-10-CM. American Academy of Pediatrics, 2015. http://dx.doi.org/10.1542/9781581109016.

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In this first edition, Pediatric ICD-10-CM: A Manual for Provider-Based Coding strives to bring to the pediatric provider, coder, and biller the most accurate and easy-to use manual on ICD-10-CM yet. Composed entirely with a pediatrics focus, this manual exclusively features codes and guidelines for physician- and provider-based coding, all in a simplified yet familiar format. The full draft of the ICD-10-CM code set comes in at well over 1,000 pages. This book condenses that large and potentially cumbersome book into 400 pages of the most relevant,pediatrics-related codes and guidelines. It a
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Invariance, déformations et reconnaissance de formes (Mathématiques et Applications). Springer, 2003.

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Book chapters on the topic "Formal deformations"

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Stevens, Jan. "6. Formal deformation theory." In Deformations of Singularities. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-36464-1_7.

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Fialowski, A. "An Example of Formal Deformations of Lie Algebras." In Deformation Theory of Algebras and Structures and Applications. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3057-5_5.

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Bäck, Per. "Multi-parameter Formal Deformations of Ternary Hom-Nambu-Lie Algebras." In Springer Proceedings in Mathematics & Statistics. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7775-8_36.

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Katz, Gabriel. "Formal Deformations of Equivariant Genera, Fixed Point Formula and Universal Symmetry Blocks." In Prospects in Topology (AM-138), edited by Frank Quinn. Princeton University Press, 1996. http://dx.doi.org/10.1515/9781400882588-015.

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Hartshorne, Robin. "Formal Moduli." In Deformation Theory. Springer New York, 2009. http://dx.doi.org/10.1007/978-1-4419-1596-2_4.

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Wilde, M., and P. Lecomte. "Formal Deformations of the Poisson Lie Algebra of a Symplectic Manifold and Star-Products. Existence, Equivalence, Derivations." In Deformation Theory of Algebras and Structures and Applications. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3057-5_18.

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Almog, Joseph. "Is Natural Semantics Possible?—Ordinary English, Formal Deformations-cum-Reformations and the Limits of Model Theory." In Jaakko Hintikka on Knowledge and Game-Theoretical Semantics. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-62864-6_3.

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Green, Mark, and Phillip Griffiths. "Formal Deformation of Chow Groups." In The Legacy of Niels Henrik Abel. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18908-1_13.

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Böckle, Gebhard. "Deformations of Galois Representations." In Elliptic Curves, Hilbert Modular Forms and Galois Deformations. Springer Basel, 2013. http://dx.doi.org/10.1007/978-3-0348-0618-3_2.

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Conrad, Brian. "The Flat Deformation Functor." In Modular Forms and Fermat’s Last Theorem. Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4612-1974-3_13.

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Conference papers on the topic "Formal deformations"

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Schönning, Mikael, Elisabeth Johansson, and Lena Wegrelius. "Pitting and H2S Corrosion Resistance of the New Formable Duplex Grades." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07618.

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Abstract UNS S82012 and UNS S82031 are two newly developed duplex stainless steels that have recently been incorporated into the ASTM A240 standard. These new materials utilize the Transformation Induced Plasticity (TRIP) effect and show improved formability properties compared to other duplex grades. The chemical composition of UNS S82012 and UNS S82031 is balanced to give optimal austenite stability, yielding a controlled transformation of austenite to martensite during cold forming operations. The combination of high mechanical strength and good formability of these new duplex grades opens
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Holdsworth, S. R., and D. Gandy. "Towards a Standard for Creep-Fatigue Testing." In AM-EPRI 2007, edited by R. Viswanathan, D. Gandy, and K. Coleman. ASM International, 2007. https://doi.org/10.31399/asm.cp.am-epri-2007p0689.

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Abstract Procedures for assessing components subjected to cyclic loading at high temperatures require material property data that characterize creep-fatigue deformation behavior and resistance to cracking. While several standards and codes define test procedures for acquiring low cycle fatigue (LCF) and creep properties, no formal guidelines exist for determining creep-fatigue data. This paper reviews the results of a global survey conducted by EPRI to support the development of a new draft testing procedure intended for submission to ASTM and, ultimately, ISO standards committees. The survey
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Schönning, Mikael, Lena Wegrelius, and Erik Stark. "Influence of Deformation on Corrosion Resistance of the New Duplex Transformation Induced Plasticity (TRIP) Stainless Steels UNS S82012 and UNS S82031." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05724.

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Abstract Duplex stainless steels combine many of the beneficial properties of ferritic and austenitic stainless steels, such as high mechanical strength and good localized and uniform corrosion resistance in a wide range of environments. The recently developed duplex stainless steels UNS S82012 and UNS S82031 utilize Transformation Induced Plasticity (TRIP) effect and exhibit significantly improved formability properties compared to conventional duplex grades. The TRIP-effect comprises of a controlled transformation of metastable austenite to martensite during cold forming operations. It is of
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Navarro-Mora, Angel. "A Forensic Analysis of Structural Failure in a Suspension Bridge in Upala, Costa Rica." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.1468.

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&lt;p&gt;The failure of a structure can occur due to various aspects, among these that the design decisions are not consistent with the construction and reality of the structure. This study carried out a forensic analysis of the structural failure that occurred in a 57 m long vehicular suspension bridge. The main objective of this study was to identify the cause of the structural failure that affected the trusses of the suspension bridge. To achieve this objective, a meticulous forensic analysis of the project was carried out. This analysis involved a detailed review of the documentation relat
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Sloboda, Andrew R., and Bogdan I. Epureanu. "Optimally Designed Nonlinear Feedback Excitation for High-Sensitivity Sensing." In ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2009. http://dx.doi.org/10.1115/smasis2009-1329.

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Employing sensitivity vector field (SVF) analysis in active micro-sensors can increase both their sensitivity and their ability to differentiate between changes in multiple sensor parameters. However, since SVF analysis is based on quantifying attractor deformations in state space, maximizing its effectiveness depends on selecting a sensor excitation that generates an attractor having suitable deformation with respect to the parameter(s) of interest. This paper addresses issues surrounding such system excitation design for a simple, linear vibration-based sensor having a combination of harmoni
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Rastgoftar, Hossein, Jean-Baptiste Jeannin, and Ella Atkins. "Formal Specification of Continuum Deformation Coordination." In 2019 American Control Conference (ACC). IEEE, 2019. http://dx.doi.org/10.23919/acc.2019.8814645.

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Bieliavsky, P., Piotr Kielanowski, S. Twareque Ali, Anatol Odzijewicz, Martin Schlichenmaier, and Theodore Voronov. "Non-Formal Deformation Quantization and Symmetric Spaces." In XXVIII WORKSHOP ON GEOMETRICAL METHODS IN PHYSICS. AIP, 2009. http://dx.doi.org/10.1063/1.3275595.

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Suciu, Ioana, Ioannis Kanellos, and Thierry Moudenc. "Formal expressive indiscernibility underlying a prosodic deformation model." In ExLing 2006: 1st Tutorial and Research Workshop on Experimental Linguistics. ExLing Society, 2019. http://dx.doi.org/10.36505/exling-2006/01/0051/000051.

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Malinin, Len. "Design Under Contradictory Requirements." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65108.

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This article presents a design method aimed at addressing contradictory requirements during the conceptual design activities or new product development. Of several methods aimed at developing a “good design” (not necessarily solving a contradiction), a general formal method was proposed in the Axiomatic Design Theory (ADT) by NP Suh [1]. ADT views design as a process that translates a set of functional requirements into a set of design parameters through a design matrix. The goal of the axiomatic design is to force a designer to start from scratch and explore the relationship between functions
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Matveev, Konstantin I. "Computational Modeling of Planing Hull Dynamics and Slamming in Head Waves." In ASME 2021 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/fedsm2021-65548.

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Abstract Fast boats often operate in planing regimes when they skim on the water surface and their weight is supported primarily by hydrodynamic forces. In the presence of waves, such hulls may experience large nonlinear motions and hydrodynamic loads, which limit their operational capabilities. To predict hull motions and loads and to optimize the hull shape and structure, one can take advantage of computational fluid dynamics tools that simulate these complex nonlinear flow processes and provide detailed hydrodynamic data, including pressure distribution on the hull and water spray. However,
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Reports on the topic "Formal deformations"

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Todd, James T. Visual Perception of 3-Dimensional Form from Different Types of Optical Deformations. Defense Technical Information Center, 1996. http://dx.doi.org/10.21236/ada326225.

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Turner, E. C. Mesoproterozoic Borden Basin, northern Baffin Island. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/321825.

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The unmetamorphosed and nearly undeformed late Mesoproterozoic Borden Basin on northern Baffin Island exhibits sag, rift, and foreland-basin-like phases. A thin, partly subaqueous basal basalt is overlain by mature shallow-marine quartz arenite, upward-deepening siltstone and shale (marking the beginning of rifting), a complex suite of rift-delineated carbonate units containing two dramatic internal unconformities, and a flysch-molasse-like succession containing evidence of sediment derivation from the Grenville Orogen. Geochronological data indicate that deposition of most of the succession t
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Beavers, Leis, and Eiber. L51517 Stress Corrosion Cracking Research. Pipeline Research Council International, Inc. (PRCI), 1986. http://dx.doi.org/10.55274/r0010597.

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The objective of the Stress-Corrosion Cracking (SCC) Phase of the NG-18 program is to develop an understanding of the causes of external SCC and methods of controlling it on new and existing gas transmission pipelines. An overview of past and proposed NG-18 programs designed to address this objective is given in Figure 1 in the Introduction Section, where it can be seen that the research has been divided into two categories, SCC mitigation and life estimation. The research carried out in 1985 at BCD focused on several areas under these categories: (1) the development of resistant steels and su
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Knudsen, Tyler R. Interim Geologic Map of the Parowan Quadrangle, Iron County, Utah. Utah Geological Survey, 2024. http://dx.doi.org/10.34191/ofr-764.

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The Parowan 7.5' quadrangle is centered around the City of Parowan at the eastern margin of the Basin and Range Province in Iron County, southwestern Utah. The quadrangle covers part of the northwestern flank of the Markagunt Plateau and part of the adjacent Parowan Valley. Interstate 15 crosses the northwestern corner of the map area. Parowan Creek and its tributaries have carved deep canyons into the Markagunt Plateau, exposing a succession of sedimentary and volcanic rocks ranging in age from Late Cretaceous to Middle Pleistocene. The modern landscape is dominated by northeast-southwest-tre
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Boily-Auclair, É., P. Mercier-Langevin, P. S. Ross, and D. Pitre. Alteration and ore assemblages of the LaRonde Zone 5 (LZ5) deposit and Ellison mineralized zones, Doyon-Bousquet-LaRonde mining camp, Abitibi, Quebec. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329637.

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The LaRonde Zone 5 (LZ5) mine is part of the Doyon-Bousquet-LaRonde mining camp and is located in the southern part of the Abitibi greenstone belt in northwestern Quebec. The LZ5 deposit consists of three stacked mineralized corridors: Zone 4, Zone 4.1, and Zone 5. Zones 4 and 4.1 are discontinuous satellite mineralized corridors, whereas Zone 5 represents the main mineralized body. The mineralized zones of the LZ5 deposit and adjacent Ellison property (Ellison A and B zones) are hosted in the strongly-deformed, 2699-2695 Ma transitional to calcalkaline, intermediate to felsic, volcanic and vo
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Harris, L. B., P. Adiban, and E. Gloaguen. The role of enigmatic deep crustal and upper mantle structures on Au and magmatic Ni-Cu-PGE-Cr mineralization in the Superior Province. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328984.

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Aeromagnetic and ground gravity data for the Canadian Superior Province, filtered to extract long wavelength components and converted to pseudo-gravity, highlight deep, N-S trending regional-scale, rectilinear faults and margins to discrete, competent mafic or felsic granulite blocks (i.e. at high angles to most regional mapped structures and sub-province boundaries) with little to no surface expression that are spatially associated with lode ('orogenic') Au and Ni-Cu-PGE-Cr occurrences. Statistical and machine learning analysis of the Red Lake-Stormy Lake region in the W Superior Province con
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TEST ON RESILIENCE CAPACITY OF SELF-CENTERING BUCKLING RESTRAINED BRACE WITH DISC SPRINGS. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.156.

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The properly constructed buckling restrained braces (BRBs) usually have good ductility and energy dissipation capacity and therefore can be used in braced steel frames. However, large residual plastic deformation of the BRBs deteriorates their resilience capacity and hence results in large residual deformation of the buckling restrained braced steel frames (BRBFs) under large drifts. To reduce the residual deformation of BRB while keeping good ductility and energy dissipation capacity, a new self-centering buckling restrained brace (SCBRB), letting both BRB part and self-centering part work in
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BUCKLING MODES OF SCREWED CONNECTIONS IN COLD-FORMED STEEL BUILT-UP PLATES. The Hong Kong Institute of Steel Construction, 2024. http://dx.doi.org/10.18057/ijasc.2024.20.3.9.

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Discrete screws can introduce discontinuities at the interface of built-up plates, leading to various buckling modes in cold-formed steel (CFS) built-up plates, namely coordinated buckling and delamination buckling. The impact of these buckling deformation modes on the stability mechanism of CFS screw-connected built-up plates is significant and cannot be overlooked. Consequently, this paper establishes theoretical models for both buckling modes. Analytical solutions for the critical buckling stress (CBS) of the screw-connected built-up plate under these two modes are derived. The validity of
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BOND-SLIP TESTING AND PERFORMANCE EVALUATION OF SEMI-RIGID FLANGE FOLDED WEB SHEAR KEYS. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/ijasc.2022.18.4.3.

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The shear key is crucial to the overall mechanical performance of the structure. A new type of semi-rigid connector-flange folded web shear key was proposed to determine the effective unity of higher bearing capacity and deformation. A total of five groups of specimens were designed, and the push-out test method was used to evaluate the ultimate bearing capacity, bond-slip process, failure mode, and strain distribution of the new shear key. The results show that before sliding, the embedded effect of the concrete and shear key is significant, and it has a significant sliding stiffness. After s
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STRESS RESPONSE AND INITIAL STIFFNESS OF SIDE PLATE CONNECTIONS TO WCFT COLUMNS. The Hong Kong Institute of Steel Construction, 2021. http://dx.doi.org/10.18057/ijasc.2021.17.3.9.

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To study the mechanism of load transfer in double-side-plate connections between I-beams and wall-type concrete-filled steel tubular columns, a pseudo-static experiment and finite element analysis were conducted for two full-scaled specimens. The results revealed that the primary load was transmitted along an S-shaped path in the side plate, and the primary strain occurred in an X-shaped region between the left and right steel beam flanges. The shear force in the steel beam web was transmitted first to the side plate centre and then to the joint area, where the side plate, steel tube web, and
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