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Статті в журналах з теми "Anisotropic surface energy"
KOISO, Miyuki. "Geometry of Anisotropic Surface Energy." Proceedings of Mechanical Engineering Congress, Japan 2016 (2016): jikiin04. http://dx.doi.org/10.1299/jsmemecj.2016.jikiin04.
Повний текст джерелаPETUKHOV, A. V., and A. LIEBSCH. "SURFACE ANISOTROPY OF SECOND HARMONIC GENERATION AT Al(111)." Surface Review and Letters 01, no. 04 (December 1994): 521–23. http://dx.doi.org/10.1142/s0218625x94000576.
Повний текст джерелаKoiso, Miyuki. "Uniqueness of Closed Equilibrium Hypersurfaces for Anisotropic Surface Energy and Application to a Capillary Problem." Mathematical and Computational Applications 24, no. 4 (October 10, 2019): 88. http://dx.doi.org/10.3390/mca24040088.
Повний текст джерелаVidyasagar, A., S. Krödel, and D. M. Kochmann. "Microstructural patterns with tunable mechanical anisotropy obtained by simulating anisotropic spinodal decomposition." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 474, no. 2218 (October 2018): 20180535. http://dx.doi.org/10.1098/rspa.2018.0535.
Повний текст джерелаLamichhane, Shobha Kanta. "Experimental investigation on anisotropic surface properties of crystalline silicon." BIBECHANA 8 (January 15, 2012): 59–66. http://dx.doi.org/10.3126/bibechana.v8i0.4828.
Повний текст джерелаHE, L., Y. W. LIU, W. J. TONG, J. G. LIN, and X. F. WANG. "SURFACE ENERGY ENGINEERING OF Cu SURFACE BY STRAIN: FIRST-PRINCIPLES CALCULATIONS." Surface Review and Letters 20, no. 06 (December 2013): 1350054. http://dx.doi.org/10.1142/s0218625x13500546.
Повний текст джерелаKRZYSZTON, T. "SURFACE BARRIER IN THE MIXED STATE OF ANISOTROPIC SUPERCONDUCTOR." Modern Physics Letters B 07, no. 12 (May 20, 1993): 841–47. http://dx.doi.org/10.1142/s0217984993000837.
Повний текст джерелаRofouie, P., Z. Wang, and A. D. Rey. "Two-wavelength wrinkling patterns in helicoidal plywood surfaces: imprinting energy landscapes onto geometric landscapes." Soft Matter 14, no. 25 (2018): 5180–85. http://dx.doi.org/10.1039/c8sm01022f.
Повний текст джерелаWang, Ziheng, Phillip Servio, and Alejandro D. Rey. "Complex Nanowrinkling in Chiral Liquid Crystal Surfaces: From Shaping Mechanisms to Geometric Statistics." Nanomaterials 12, no. 9 (May 4, 2022): 1555. http://dx.doi.org/10.3390/nano12091555.
Повний текст джерелаWheeler, A. A., та G. B. McFadden. "A ξ-vector formulation of anisotropic phase-field models: 3D asymptotics". European Journal of Applied Mathematics 7, № 4 (серпень 1996): 367–81. http://dx.doi.org/10.1017/s0956792500002424.
Повний текст джерелаДисертації з теми "Anisotropic surface energy"
Li, Bin. "The variational approach to brittle fracture in materials with anisotropic surface energy and in thin sheets." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/393861.
Повний текст джерелаLa mécanica de fractura frágil se ha centrado en materiales tridimensionales con una energía de superficie isotrópica. En esta situación, los diferentes principios para la selección del camino de la fisura son muy similares, o incluso equivalentes. La situación es radicalmente opuesta cuando se considera la propagación de fisuras en medios con energía de superficie anisótropa. Estos materiales son importantes en aplicaciones que involucran materiales cristalinos, polímeros extrudidos, o materiales orgánicos y geológicos. Cuando la anisotropía es fuerte, el fenómeno de la propagación de fisuras es muy rico, con direcciones de propagación prohibidas o complejos patrones de ruptura en dientes de sierra. Por tanto, esta situación plantea cuestiones fundamentales en la mecánica de la fractura, incluyendo los principios de selección de la dirección de propagación de la fractura. Igualmente, el proceso de rasgado de láminas delgadas y frágiles, comunes en la naturaleza, la tecnología y la vida diaria, desafía nuestro entendimiento de la fractura. Dado que el rasgado de estas láminas típicamente involucra grandes no linealidades geométricas, no está claro si los factores de intensidad de esfuerzos son válidos o si, y en tal caso cómo determinan la propagación de fisuras. La interacción entre la geometría, las deformaciones y la curvatura da lugar a comportamientos complejos, lo que restringe las soluciones analíticas aproximadas a ejemplos muy simplificados y a regímenes de parámetros limitados. En ambas situaciones, se han podido interpretar experimentos no triviales con modelos energéticos simples. Sin embargo, no se ha profundizado en modelos generales de fractura en presencia de energía de superficie fuertemente anisótropa o en láminas delgadas, ambas interesantes por su capacidad para explorar nueva física. El mencionado éxito de los modelos energéticos simplificados sugiere que las teorías variacionales de fractura en medios frágiles pueden proveer un marco unificador para considerar situaciones más generales, como las que se consideran en este trabajo. Para caracterizar la fractura en materiales con energía de superficie fuertemente anisótropa, proponemos un modelo variacional de campo de fase basado en el modelo extendido de Cahn-Hilliard. Los modelos de campo de fase existentes para la fractura anisótropa fueron formulados en un contexto que sólo admite anisotropía débil. En este trabajo, implementamos numéricamente nuestro modelo de campo de fase de alto orden con aproximantes locales de máxima entropía en un método directo de Garlerkin. Los resultados numéricos muestran todas las características de fractura con anisotropía fuerte, y reproducen llamativamente bien las últimas observaciones experimentales. Para explorar el rasgado de láminas delgadas, desarrollamos un modelo geométricamente exacto y un esquema computacional que acopla elasticidad (estiramiento y flexión), fractura, y la adhesión a un substrato. Implementamos numéricamente el modelo con elementos finitos basados en superficies de subdivisión. Nuestras simulaciones reproducen los patrones de ruptura, tanto cualitativamente como cuantitativamente, observados en los experimentos de rasgado. Finalmente, examinamos cómo la geometría de la lámina afecta la fractura. Como ha sido sugerido en resultados previos y en nuestras propias simulaciones de campo de fase, la forma de la lámina afecta dramáticamente la evolución de fisuras y la resistencia efectiva del material. Para comprender mejor estos fenómenos y con el objetivo de desarrollar nuevos conceptos para la optimización del diseño de estructuras de láminas delgadas, derivamos la fuerza configuracional conjugada a la extensión de la fractura para la teoría lineal de láminas delgadas de Koiter. Identificamos las contribuciones conservativas a esta fuerza a través del tensor de Eshelby, así como las contriuciones no conservativas que aparecen por el efecto de la curvatura.
Zhai, Xinyuan. "Crack propagation in elastic media with anisotropic fracture toughness : experiments and numerical modeling." Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAE010.
Повний текст джерелаAdditive manufacturing is receiving increasing attention due to its advantages in terms of modelling flexibility and allowing to easily design complex micro-structures. Through the manipulation of the printing strategy, we observed that fused deposition of polycarbonate can result in printed samples showcasing a distinct anisotropic behavior in fracture toughness, all the while retaining isotropic properties in elasticity.This thesis is dedicated to investigating fracture behavior within isotropic elastic media with anisotropic fracture toughness. The approach involves a combination of fracture experiments and numerical simulations. In the experimental part, we examine crack propagation under various loading conditions using diverse sample geometries, encompassing both Mode I and Mode I+II loading condition. In the numerical part, we adopt the phase-field modeling of brittle fracture based on a variational approach, using experimental data for calibrating and identification of the numerical parameters. Through these comprehensive methodologies, our objective is to foster a deeper comprehension of the interplay between printing patterns and the selection of crack paths. This understanding holds significant implications for guiding and controlling crack propagation in additive manufacturing-produced components. Besides, we adopted the classical based criteria Generalized Maximum Energy Release Rate to enhance our understanding of crack path selection and the relevant critical force.In the last part of this thesis, we presents some preliminary investigations regarding the potential emergence of Zig-Zag crack patterns in 3D printed specimens. Additionally, we delve extensively into the fracture behavior of printed specimens under cyclic loading, offering a comprehensive comparison between experimental observations and numerical forecasts
Stevenson, Kip Patrick. "Anisotropic potential energy surfaces for atmospheric gas : unsaturated hydrocarbon molecule interactions from differential scattering experiments /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/11613.
Повний текст джерелаKeller, A. "Evolution of Ion-Induced Ripple Patterns - Anisotropy, nonlinearity, and scaling." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-61101.
Повний текст джерелаZhang, Hongbin. "Relativistic Density Functional Treatment of Magnetic Anisotropy." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-25132.
Повний текст джерелаSpin-Bahn-Kopplung reduziert die Symmetrie ferromagnetischer Festkörper. Das bedeutet, dass die physikalischen Eigenschaften ferromagnetischer Stoffe anisotrop bezüglich der Magnetisierungsrichtung sind. In dieser Dissertation werden mittels numerischer voll-relativistischer Dichtefunktional-Rechnungen zwei Arten physikalischer Eigenschaften untersucht: magnetische Oberflächen-Anisotropieenergie (MAE) und anisotrope Thermokraft durch Lifshitz-Übergänge. Nach einer kurzen Einführung in die relativistische Dichtefunktional-Theorie in Kapitel 2 wird in Kapitel 3 die MAE ferromagnetischer dünner Filme untersucht. In diesen Systemen ist es für ein Verständnis experimenteller Ergebnisse wichtig, verschiedene Beiträge zu separieren: Volumenanteil der magnetokristallinen Anisotropie (MCA), Formanistropie und Oberflächen bzw. Grenzflächenanisotropie. Durch Anpassen berechneter Daten für dicke Schichten an ein phänomenologisches Modell konnten verlässliche Oberflächen Anisotropien erhalten werden. In dieser Weise wurde die MAE von Co- Schichten mit unterschiedlichen Geometrien untersucht, wobei der Einfluss von Orbitalpolarisations-Korrekturen (OPC) im Vordergrund stand. Es wurde gefunden, dass die Oberflächenanisotropie hauptsächlich von der Geometrie bestimmt wird. Während OPC bessere Ergebnisse für die Orbitalmomente liefert, wird die MAE überschätzt. Im zweiten Teil von Kapitel 3 wird der Einfluss elektrischer Felder auf die MAE von dünnen ferromagnetischen Filmen mit L10-Struktur untersucht. Unter Verwendung eines einfachen Modells zur Simulation des elektrischen Feldes liefern die Rechnungen gute Übereinstimmung mit vorliegenden experimentellen Ergebnissen. Es wird vorhergesagt, dass für CoPt ein noch größerer Effekt existiert. Weiterhin wurde gefunden, dass die magnetoelektrische Kopplung von der Größe der Abschirmladung bestimmt wird. Dies ist eine wichtige Einsicht, um die Magnetisierungsrichtung durch ein elektrisches Feld kontrollieren zu können. In Kapitel 4 werden Lifshitz-Übergänge untersucht, die ein gekantetes Magnetfeld hervorruft. Es wurden mehrere Lifshitz-Übergänge in geordnetem FePt gefunden, welche kleine Anomalien in der Zustandsdichte hervorrufen. Mit Hilfe eines Zweiband-Modells wird gezeigt, dass an solchen Übergängen das singuläre Verhalten kinetischer Eigenschaften durch Interband- Streuung verursacht wird und dass die Singularität proportional zur Ableitung der singulären Zustandsdichte ist. In FePt wird durch chemische Unordnung diese Singularität zu einer Anomalie verschmiert. Der Einfluss einer Verbreiterung der Energieniveaus der kritischen Bänder in FePt wurde mittels CPA untersucht. Es wurde gefunden, dass in experimentell verfügbaren dünnen FePt-Filmen Lifshitz-Übergänge bis zu 3% Erhöhung der Thermokraft erzeugen, wenn die Magnetisierung von der leichten in die harte Richtung gedreht wird
Grigat, Marius [Verfasser]. "Large scale anisotropy studies of ultra high energy cosmic rays using data taken with the surface detector of the Pierre Auger Observatory / Marius Grigat." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2011. http://d-nb.info/1018201106/34.
Повний текст джерелаFitton, George. "Analyse multifractale et simulation des fluctuations de l'énergie éolienne." Phd thesis, Université Paris-Est, 2013. http://tel.archives-ouvertes.fr/tel-00962318.
Повний текст джерелаPiovano, Paulo. "Evolution and Regularity Results for Epitaxially Strained Thin Films and Material Voids." Research Showcase @ CMU, 2012. http://repository.cmu.edu/dissertations/96.
Повний текст джерелаWalubita, Lubinda F. "Comparison of fatigue analysis approaches for predicting fatigue lives of hot-mix asphalt concrete (HMAC) mixtures." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/3898.
Повний текст джерелаMekhiche, Mouhoub. "Introduction de la texture cubique {100}<001> dans les dispositifs électrotechniques : de la métallurgie à la modélisation." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0019.
Повний текст джерелаCurrently, the principal range of improvement in the magnetic performances of SiFe magnetic steels is found in the texture of these materials. It is therefore important to know how to evaluate the interest of a given texture for use in electrical engineering in order to know the margines of progress still existing in the design of different devices, and also to estimate if it is interesting or not to metallurgically develop such a texture. The present work aims to set up a tool integrated to study and evaluate a texture, relative to the constraints of electrical engineering. Towards this goal we have focused on the study and evaluation of the "cubic" texture {100}<001>. The metallugic synthesis of this texture was obtained from a procedure which associates cross rolling, surface energy and aluminium. The study showed that this association obtained a strong {100} texture even with quick rises in temperature. After a necessary phase of 2D magnetic characterization, a model of anisotropic and non hysteretic magnetization was elaborated to find the magnetic behavior of textured sheets. Finally, the introduction of such textured materials into electrical devices was studied, based on electromagnetic modeling software well adapted to the description of anisotropy
Книги з теми "Anisotropic surface energy"
B, McFadden Geoffrey, and National Institute of Standards and Technology (U.S.), eds. The effect of anisotropic surface energy on the Rayleigh instability. [Gaithersburg, Md.]: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2002.
Знайти повний текст джерелаB, McFadden Geoffrey, and National Institute of Standards and Technology (U.S.), eds. The effect of anisotropic surface energy on the Rayleigh instability. [Gaithersburg, Md.]: U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, 2002.
Знайти повний текст джерелаЧастини книг з теми "Anisotropic surface energy"
Schreiner, F., J. Schmidt, B. Thorenz, M. Voigt, and F. Döpper. "Investigation of Cutting Force and Surface Quality in Frozen Wood Sawing Under Varying Influencing Factors to Improve the Energy- and Resource Efficiency of Sawing Processes." In Lecture Notes in Mechanical Engineering, 166–74. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-28839-5_19.
Повний текст джерелаVardoulakis, I., and G. Exadaktylos. "The Asymptotic Solution of Anisotropic Gradient Elasticity with Surface Energy for a Mode-II Crack." In IUTAM Symposium on Non–Linear Singularities in Deformation and Flow, 87–98. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4736-1_9.
Повний текст джерелаBonzel, H. P., and K. Dückers. "Relationship Between Anisotropy of Specific Surface Free Energy and Surface Reconstruction." In Chemistry and Physics of Solid Surfaces VII, 429–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73902-6_15.
Повний текст джерелаHanda, S. "Technology of reactive ion etching." In Plasma Etching Fundamentals and Applications, 180–211. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198562870.003.0005.
Повний текст джерелаTariq, Maria, Tajamal Hussain, Adnan Mujahid, Mirza Nadeem Ahmad, Muhammad Imran Din, Azeem Intisar, and Muhammad Zahid. "Applications of Carbon Based Materials in Developing Advanced Energy Storage Devices." In Carbon Nanotubes - Redefining the World of Electronics. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97651.
Повний текст джерелаBažant, Zdeněk P., Jia-Liang Le, and Marco Salviato. "Fundamentals of Linear Elastic Fracture Mechanics." In Quasibrittle Fracture Mechanics and Size Effect, 11–52. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780192846242.003.0002.
Повний текст джерелаKobayashi, Shiro, Soo-Ik Oh, and Taylan Altan. "Compaction and Forging of Porous Metals." In Metal Forming and the Finite-Element Method. Oxford University Press, 1989. http://dx.doi.org/10.1093/oso/9780195044027.003.0016.
Повний текст джерелаYuzevych, Volodymyr, and Bohdan Koman. "MATHEMATICAL AND COMPUTER MODELING OF INTERPHASE INTERACTION IN HETEROGENEOUS SOLID STRUCTURES." In Theoretical and practical aspects of the development of modern scientific research. Publishing House “Baltija Publishing”, 2022. http://dx.doi.org/10.30525/978-9934-26-195-4-14.
Повний текст джерелаGoldman, N., and R. J. Saykally. "Elucidating the role of many-body forces in liquid water. I. Simulations of water clusters on the VRT(ASP-W) potential surfaces." In Quantum Monte Carlo, 148. Oxford University PressNew York, NY, 2007. http://dx.doi.org/10.1093/oso/9780195310108.003.00152.
Повний текст джерелаCoker, D. F., and R. O. Watts. "Diffusion Monte Carlo simulation of condensed systems." In Quantum Monte Carlo, 48. Oxford University PressNew York, NY, 2007. http://dx.doi.org/10.1093/oso/9780195310108.003.0051.
Повний текст джерелаТези доповідей конференцій з теми "Anisotropic surface energy"
Sommers, Andrew D., and Anthony M. Jacobi. "Modeling the Retention of Water Droplets on Topographically-Modified, Micro-Grooved Aluminum." In ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/ht2008-56440.
Повний текст джерелаYanson, Z. A. "On intensity of high-frequency surface waves in anisotropic elastic media. The energy approach." In Proceedings of the International Conference Days on Diffraction-2005. IEEE, 2005. http://dx.doi.org/10.1109/dd.2005.204904.
Повний текст джерелаTsai, Y. M. "Forced Vibrations of a Transversely Isotropic Composite Containing an External Circular Crack." In ASME 2001 Engineering Technology Conference on Energy. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/etce2001-17154.
Повний текст джерелаZhang, Yingfan, Zhengyong Huang, Jian Li, Haohuan Wang, Run He, and Chenxin Li. "Inhibition Mechanism Under Temperature Gradient on DC Surface Flashover of 3D-Printing Anisotropic Heat Conducting Composites." In 2023 IEEE 6th International Electrical and Energy Conference (CIEEC). IEEE, 2023. http://dx.doi.org/10.1109/cieec58067.2023.10166860.
Повний текст джерелаPan, E. "Force Dipoles in Anisotropic Materials: Cell Orientation Guided by Substrate Anisotropy?" In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59138.
Повний текст джерелаTsai, Y. M. "Torsional Vibration of an External Circular Crack in a Transversely Isotropic Composite." In ASME 2002 Engineering Technology Conference on Energy. ASMEDC, 2002. http://dx.doi.org/10.1115/etce2002/cmda-29078.
Повний текст джерелаZhang, Bo, Zhiwei Ma, Dongming Zheng, Rick Chalaturnyk, and Jeff Boisvert. "Machine Learning Enhanced Upscaling of Anisotropic Shear Strength for Heterogeneous Oil Sands." In SPE Canadian Energy Technology Conference. SPE, 2022. http://dx.doi.org/10.2118/208885-ms.
Повний текст джерелаStrack, Kurt M., Cesar Barajas-Olalde, Sophia Davydycheva, Yardenia Martinez, and Pantelis Soupios. "Surface-to-Borehole Electromagnetics Using an Array System: A Case Study for Co2 Monitoring and the Energy Transition." In SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/209974-ms.
Повний текст джерелаHoffbauer, Mark A., Victoria J. McVeigh, and Michael J. Zuerlein. "Rotationally Anisotropic Second-Harmonic Generation Studies of the Structure and Thermal Stability of Cu(110)." In The Microphysics of Surfaces: Beam-Induced Processes. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/msbip.1991.wb2.
Повний текст джерелаBollinger, L. D., and C. B. Zarowin. "Control of Plasma Etch Rates, Selectivity and Anisotropy with Plasma Parameters." In Optical Fabrication and Testing. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oft.1987.pdp1.
Повний текст джерелаЗвіти організацій з теми "Anisotropic surface energy"
Gurski, K. F., and G. B. McFadden. The effect of anisotropic surface energy on the Rayleigh instability. Gaithersburg, MD: National Institute of Standards and Technology, 2002. http://dx.doi.org/10.6028/nist.ir.6892.
Повний текст джерелаHart, Carl, and Gregory Lyons. A tutorial on the rapid distortion theory model for unidirectional, plane shearing of homogeneous turbulence. Engineer Research and Development Center (U.S.), July 2022. http://dx.doi.org/10.21079/11681/44766.
Повний текст джерелаFriedman, Shmuel, Jon Wraith, and Dani Or. Geometrical Considerations and Interfacial Processes Affecting Electromagnetic Measurement of Soil Water Content by TDR and Remote Sensing Methods. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580679.bard.
Повний текст джерела