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Artykuły w czasopismach na temat "Phase field modeling of brittle fracture"
Li, Haifeng, Wei Wang, Yajun Cao i Shifan Liu. "Phase-Field Modeling Fracture in Anisotropic Materials". Advances in Civil Engineering 2021 (30.07.2021): 1–13. http://dx.doi.org/10.1155/2021/4313755.
Pełny tekst źródłaUlmer, Heike, Martina Hofacker i Christian Miehe. "Phase Field Modeling of Brittle and Ductile Fracture". PAMM 13, nr 1 (29.11.2013): 533–36. http://dx.doi.org/10.1002/pamm.201310258.
Pełny tekst źródłaUlloa, Jacinto, Patricio Rodríguez, Cristóbal Samaniego i Esteban Samaniego. "Phase-field modeling of fracture for quasi-brittle materials". Underground Space 4, nr 1 (marzec 2019): 10–21. http://dx.doi.org/10.1016/j.undsp.2018.08.002.
Pełny tekst źródłaTeichtmeister, S., D. Kienle, F. Aldakheel i M. A. Keip. "Phase field modeling of fracture in anisotropic brittle solids". International Journal of Non-Linear Mechanics 97 (grudzień 2017): 1–21. http://dx.doi.org/10.1016/j.ijnonlinmec.2017.06.018.
Pełny tekst źródłaSeleš, Karlo, Tomislav Lesičar, Zdenko Tonković i Jurica Sorić. "A Phase Field Staggered Algorithm for Fracture Modeling in Heterogeneous Microstructure". Key Engineering Materials 774 (sierpień 2018): 632–37. http://dx.doi.org/10.4028/www.scientific.net/kem.774.632.
Pełny tekst źródłaHou, Yue, Fengyan Sun, Wenjuan Sun, Meng Guo, Chao Xing i Jiangfeng Wu. "Quasi-Brittle Fracture Modeling of Preflawed Bitumen Using a Diffuse Interface Model". Advances in Materials Science and Engineering 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/8751646.
Pełny tekst źródłaWu, Chi, Jianguang Fang, Zhongpu Zhang, Ali Entezari, Guangyong Sun, Michael V. Swain i Qing Li. "Fracture modeling of brittle biomaterials by the phase-field method". Engineering Fracture Mechanics 224 (luty 2020): 106752. http://dx.doi.org/10.1016/j.engfracmech.2019.106752.
Pełny tekst źródłaNagaraja, Sindhu, Ulrich Römer, Hermann G. Matthies i Laura De Lorenzis. "Deterministic and stochastic phase-field modeling of anisotropic brittle fracture". Computer Methods in Applied Mechanics and Engineering 408 (kwiecień 2023): 115960. http://dx.doi.org/10.1016/j.cma.2023.115960.
Pełny tekst źródłaSantillan Sanchez, David, Hichem Mazighi i Mustapha Kamel Mihoubi. "Hybrid phase-field modeling of multi-level concrete gravity dam notched cracks". Frattura ed Integrità Strutturale 16, nr 61 (19.06.2022): 154–75. http://dx.doi.org/10.3221/igf-esis.61.11.
Pełny tekst źródłaSingh, N., C. V. Verhoosel, R. de Borst i E. H. van Brummelen. "A fracture-controlled path-following technique for phase-field modeling of brittle fracture". Finite Elements in Analysis and Design 113 (czerwiec 2016): 14–29. http://dx.doi.org/10.1016/j.finel.2015.12.005.
Pełny tekst źródłaRozprawy doktorskie na temat "Phase field modeling of brittle fracture"
Omatuku, Emmanuel Ngongo. "Phase field modeling of dynamic brittle fracture at finite strains". Master's thesis, Faculty of Engineering and the Built Environment, 2019. http://hdl.handle.net/11427/30172.
Pełny tekst źródłaSchlueter, Alexander [Verfasser], i Charlotte [Akademischer Betreuer] Kuhn. "Phase Field Modeling of Dynamic Brittle Fracture / Alexander Schlueter ; Betreuer: Charlotte Kuhn". Kaiserslautern : Technische Universität Kaiserslautern, 2018. http://d-nb.info/116213397X/34.
Pełny tekst źródłaLi, Tianyi. "Gradient-damage modeling of dynamic brittle fracture : variational principles and numerical simulations". Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLX042/document.
Pełny tekst źródłaIn civil engineering, mechanical integrity of the reinforced concrete structures under severe transient dynamic loading conditions is of paramount importance for safety and calls for an accurate assessment of structural behaviors in presence of dynamic crack propagation. In this work, we focus on the constitutive modeling of concrete regarded as an elastic-damage brittle material. The strain localization evolution is governed by a gradient-damage approach where a scalar field achieves a smeared description of dynamic fracture phenomena. The contribution of the present work is both theoretical and numerical. We propose a variationally consistent formulation of dynamic gradient damage models. A formal definition of several energy release rate concepts in the gradient damage model is given and we show that the dynamic crack tip equation of motion is governed by a generalized Griffith criterion. We then give an efficient numerical implementation of the model based on a standard finite-element spatial discretization and the Newmark time-stepping methods in a parallel computing framework. Simulation results of several problems are discussed both from a computational and physical point of view. Different damage constitutive laws and tension-compression asymmetry formulations are compared with respect to their aptitude to approximate brittle fracture. Specific properties of the dynamic gradient damage model are investigated for different phases of the crack evolution: nucleation, initiation, propagation, arrest, kinking and branching. Comparisons with experimental results are also performed in order to validate the model and indicate its further improvement
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.
Pełny tekst źródłaAdditive 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
Cheng, Zifeng. "Modelling Brittle Fractures with Finite Elements: A Time-independent Phase-field Model". Thesis, Faculty of Engineering, School of Civil Engineering, 2020. https://hdl.handle.net/2123/29350.
Pełny tekst źródłaDeogekar, Sai Sharad. "A Computational Study of Dynamic Brittle Fracture Using the Phase-Field Method". University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439455086.
Pełny tekst źródłaTanne, Erwan. "Variational phase-field models from brittle to ductile fracture : nucleation and propagation". Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLX088/document.
Pełny tekst źródłaPhase-field models, sometimes referred to as gradient damage, are widely used methods for the numerical simulation of crack propagation in brittle materials. Theoretical results and numerical evidences show that they can predict the propagation of a pre-existing crack according to Griffith’s criterion. For a one- dimensional problem, it has been shown that they can predict nucleation upon a critical stress, provided that the regularization parameter is identified with the material’s internal characteristic length.In this work, we draw on numerical simulations to study crack nucleation in commonly encountered geometries for which closed-form solutions are not available. We use U- and V-notches to show that the nucleation load varies smoothly from the one predicted by a strength criterion to the one of a toughness criterion when the strength of the stress concentration or singularity varies. We present validation and verification of numerical simulations for both types of geometries. We consider the problem of an elliptic cavity in an infinite or elongated domain to show that variational phase field models properly account for structural and material size effects.In a second movement, this model is extended to hydraulic fracturing. We present a validation of the model by simulating a single fracture in a large domain subject to a control amount of fluid. Then we study an infinite network of pressurized parallel cracks. Results show that the stimulation of a single fracture is the best energy minimizer compared to multi-fracking case. The last example focuses on fracturing stability regimes using linear elastic fracture mechanics for pressure driven fractures in an experimental geometry used in petroleum industry which replicates a situation encountered downhole with a borehole called burst experiment.The last part of this work focuses on ductile fracture by coupling phase-field models with perfect plasticity. Based on the variational structure of the problem we give a numerical implementation of the coupled model for parallel computing. Simulation results of a mild notch specimens are in agreement with the phenomenology of ductile fracture such that nucleation and propagation commonly reported in the literature
Abdollahi, Amir. "Phase-field modeling of fracture in ferroelectric materials". Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/285833.
Pełny tekst źródłaLos materiales ferroeléctricos poseen únicas propiedades electro-mecánicas y por eso se utilizan para los micro-dispositivos como sensores, actuadores y transductores. No obstante, debido a la fragilidad intrínseca de los ferroeléctricos, el diseño óptimo de los dispositivos electro-mecánicos es altamente dependiente de la comprensión del comportamiento de fractura en estos materiales. Los procesos de fractura en ferroeléctricos son notoriamente complejos, sobre todo debido a las interacciones entre campos de tensión y eléctricos y los fenómenos localizados en zona de fractura (formación y evolución de los dominios de las diferentes variantes cristalográficas). Los modelos de campo de fase son particularmente útiles para un problema tan complejo, ya que una sola ecuación diferencial parcial que gobierna el campo de fase lleva a cabo a la vez (1) el seguimiento de las interfaces de una manera suave (grietas, paredes de dominio) y (2) la modelización de los fenómenos interfaciales como las energías de la pared de dominio o las condiciones de las caras de grieta. Tal modelo no tiene ninguna dificultad, por ejemplo en la descripción de la nucleación de los dominios y las grietas o la ramificación y la fusión de las grietas. Además, la naturaleza variacional de estos modelos facilita el acoplamiento de múltiples físicas (campos eléctricos y mecánicos en este caso). La principal aportación de esta tesis es la propuesta de un modelo campo de fase para la simulación de la formación y evolución de la microestructura y la nucleación y propagación de grietas en materiales ferroeléctricos. El modelo aúna dos modelos de campo de fase para la fractura frágil y para la formación de dominios ferroeléctricos. La aplicación de elementos finitos a la teoría es descrita. Las simulaciones muestran las interacciones entre la microestructura y la fractura del bajo cargas mecánicas y electro-mecánicas. Otro de los objetivos de esta tesis es la codificación de diferentes condiciones de contorno de grieta porque estas condiciones afectan en gran medida el comportamiento de la fractura de ferroeléctricos. La imposición de estas condiciones se discuten y se comparan con los resultados de modelos clasicos para validar los modelos propuestos. Las simulaciones muestran los efectos de diferentes condiciones, cargas electro-mecánicas y medios que llena el hueco de la grieta en la propagación de las fisuras y la microestructura del material. En un tercer paso, el modelo se modifica mediante la introducción de una condición que representa el comportamiento asimétrico en tensión y compresión. El modelo modificado hace posible explicar el crecimiento de la grieta anisotrópica en ferroeléctricos. Este modelo también se utiliza para el análisis de la fractura de los actuadores ferroeléctricos, lo que demuestra el potencial del modelo para su futura aplicación. El modelo se extiende también a policristales mediante la introducción de microestructuras policristalinas realistas en el modelo. Modos de fractura inter y trans-granulares de propagación se observan en las simulaciones. Por último y para completar, la teoría del campo de fase se extiende para la simulación de las grietas conductivas y algunas simulaciones preliminares también se realizan en tres dimensiones. Principales características del fenómeno de la propagación de la grieta predicho por las simulaciones de esta tesis se comparan directamente con las observaciones experimentales.
Parrinello, Antonino. "A rate-pressure-dependent thermodynamically-consistent phase field model for the description of failure patterns in dynamic brittle fracture". Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:c6590f4f-f4e2-40e3-ada1-49ba35c2a594.
Pełny tekst źródłaLee, Ji Soo. "Time-Dependent Crack Growth in Brittle Rocks and Field Applications to Geologic Hazards". Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/193784.
Pełny tekst źródłaKsiążki na temat "Phase field modeling of brittle fracture"
Miguel Torre do Vale Arriaga e Cunha. Stability Analysis of Metals Capturing Brittle and Ductile Fracture through a Phase Field Method and Shear Band Localization. [New York, N.Y.?]: [publisher not identified], 2016.
Znajdź pełny tekst źródłaWick, Thomas. Multiphysics Phase-Field Fracture: Modeling, Adaptive Discretizations, and Solvers. de Gruyter GmbH, Walter, 2020.
Znajdź pełny tekst źródłaLouchet, Francois. Snow Avalanches. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198866930.001.0001.
Pełny tekst źródłaCzęści książek na temat "Phase field modeling of brittle fracture"
Jukić, Krešimir, Tomislav Jarak, Karlo Seleš i Zdenko Tonković. "Adaptive Phase-Field Modeling of Brittle Fracture". W Lecture Notes in Civil Engineering, 145–61. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-7216-3_12.
Pełny tekst źródłaKuhn, Charlotte, Timo Noll, Darius Olesch i Ralf Müller. "Phase Field Modeling of Brittle and Ductile Fracture". W Non-standard Discretisation Methods in Solid Mechanics, 283–325. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92672-4_11.
Pełny tekst źródłaDe Lorenzis, Laura, i Tymofiy Gerasimov. "Numerical Implementation of Phase-Field Models of Brittle Fracture". W Modeling in Engineering Using Innovative Numerical Methods for Solids and Fluids, 75–101. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37518-8_3.
Pełny tekst źródłaHentati, Hamdi, Yosra Kriaa, Gregory Haugou i Fahmi Chaari. "Brittle Fracture: Experimental and Numerical Modeling Using Phase-Field Approach". W Design and Modeling of Mechanical Systems—III, 1061–70. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66697-6_104.
Pełny tekst źródłaDinh, Minh Ngoc, Chien Trung Vo, Cuong Tan Nguyen i Ngoc Minh La. "Phase-Field Modelling of Brittle Fracture Using Time-Series Forecasting". W Computational Science – ICCS 2022, 266–74. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-08754-7_36.
Pełny tekst źródłaSantos, H. A. F. A., i V. V. Silberschmidt. "Finite Element Modelling of 2D Brittle Fracture: The Phase-Field Approach". W Mechanics of Advanced Materials, 1–21. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17118-0_1.
Pełny tekst źródłaTangella, Raja Gopal, Pramod Kumbhar i Ratna Kumar Annabattula. "Hybrid Phase Field Modelling of Dynamic Brittle Fracture and Implementation in FEniCS". W Composite Materials for Extreme Loading, 15–24. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4138-1_2.
Pełny tekst źródłaSaidane, Mariem, Sana Koubaa, Zoubeir Bouaziz i Radhi Abdelmoula. "A Phase Field Numerical Modelling of Quasi-brittle Material Fracture Applied to Low Velocity Impact". W Applied Condition Monitoring, 407–14. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34190-8_43.
Pełny tekst źródłaSchreiber, Christoph, Ralf Müller i Fadi Aldakheel. "Phase Field Modeling of Fatigue Fracture". W Current Trends and Open Problems in Computational Mechanics, 475–83. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87312-7_46.
Pełny tekst źródłaWang, Yunteng, Shun Wang, Enrico Soranzo, Xiaoping Zhou i Wei Wu. "Phase-field Modeling of Brittle Failure in Rockslides". W Recent Geotechnical Research at BOKU, 241–64. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-52159-1_16.
Pełny tekst źródłaStreszczenia konferencji na temat "Phase field modeling of brittle fracture"
Lesičar, Tomislav, Tomislav Polančec, Karlo Seleš i Zdenko Tonković. "Separated phase-field algorithm for modelling of brittle fracture". W ADVANCES IN FRACTURE AND DAMAGE MECHANICS XX. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0145039.
Pełny tekst źródłaTurbino, Diego, Thiago Barreto de Aguiar, Gabriel Mario Guerra Bernadá i Fernando Pereira Duda. "Phase-field modeling for brittle fracture due to residual stress". W 26th International Congress of Mechanical Engineering. ABCM, 2021. http://dx.doi.org/10.26678/abcm.cobem2021.cob2021-1493.
Pełny tekst źródłaSarem, Mina, Nuhamin Deresse, Jacinto Ulloa, Els Verstrynge i Stijn Francois. "Micromechanics-Based Phase-Field Modeling Of Fatigue In (Quasi-)Brittle Materials". W 11th International Conference on Fracture Mechanics of Concrete and Concrete Structures. IA-FraMCoS, 2023. http://dx.doi.org/10.21012/fc11.092392.
Pełny tekst źródłaHuang, W. "Phase-field Modeling of Brittle Fracture and its Adaptive Moving Mesh Solution". W 10th International Conference on Adaptative Modeling and Simulation. CIMNE, 2021. http://dx.doi.org/10.23967/admos.2021.068.
Pełny tekst źródłaRajagopal, Amirtham, Mrunmayee S i Pranavi D. "Modeling Anisotropic Fracture In Quasi-Brittle Materials By A Phase Field Approach". W 11th International Conference on Fracture Mechanics of Concrete and Concrete Structures. IA-FraMCoS, 2023. http://dx.doi.org/10.21012/fc11.0923108.
Pełny tekst źródłaFreddi, F., i L. Mingazzi. "Energy Based Global-Local Strategies with Adaptive Mesh Refinement for the Phase-Field Approach to Brittle Fracture". W 10th International Conference on Adaptative Modeling and Simulation. CIMNE, 2021. http://dx.doi.org/10.23967/admos.2021.040.
Pełny tekst źródłaMoshkelgosha, Ehsan, i Mahmood Mamivand. "Anisotropic Phase-Field Modeling of Crack Growth in Shape Memory Ceramics: Application to Zirconia". W ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11695.
Pełny tekst źródłaHu, Xiaokun, Xiao Yan i Haitao Yu. "A PD-FEM Coupling Approach for Modeling Cracks Propagation in Brittle Rock Under Compressive Load". W 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0682.
Pełny tekst źródłaAgbo, Sylvester, Farhad Davaripour i Kshama Roy. "Effects of Hydrogen Embrittlement on the Fracture Toughness of High-Strength Steel Structures". W 2022 14th International Pipeline Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ipc2022-87174.
Pełny tekst źródłaLiao, Minmao, i Peng Ma. "Computation of brittle phase field fracture by the quadrature element method". W BIC 2022: 2022 2nd International Conference on Bioinformatics and Intelligent Computing. New York, NY, USA: ACM, 2022. http://dx.doi.org/10.1145/3523286.3524557.
Pełny tekst źródłaRaporty organizacyjne na temat "Phase field modeling of brittle fracture"
Author, Not Given. Brittle fracture phase-field modeling of a short-rod specimen. Office of Scientific and Technical Information (OSTI), wrzesień 2015. http://dx.doi.org/10.2172/1225864.
Pełny tekst źródłaLandis, Chad M., i Thomas J. Hughes. Phase-Field Modeling and Computation of Crack Propagation and Fracture. Fort Belvoir, VA: Defense Technical Information Center, kwiecień 2014. http://dx.doi.org/10.21236/ada603638.
Pełny tekst źródłaCusini, M., i F. Fei. PHASE FIELD MODELING OF NEAR-WELLBORE HYDRAULIC FRACTURE NUCLEATION AND PROPAGATION. Office of Scientific and Technical Information (OSTI), grudzień 2023. http://dx.doi.org/10.2172/2287725.
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