Literatura académica sobre el tema "Brittle damage"
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Artículos de revistas sobre el tema "Brittle damage"
Lawn, B. R., K. S. Lee, H. Chai, A. Pajares, D. K. Kim, S. Wuttiphan, I. M. Peterson y X. Hu. "Damage-Resistant Brittle Coatings". Advanced Engineering Materials 2, n.º 11 (noviembre de 2000): 745–48. http://dx.doi.org/10.1002/1527-2648(200011)2:11<745::aid-adem745>3.0.co;2-e.
Texto completoBrannon, Rebecca M., Joseph M. Wells y O. Erik Strack. "Validating Theories for Brittle Damage". Metallurgical and Materials Transactions A 38, n.º 12 (28 de septiembre de 2007): 2861–68. http://dx.doi.org/10.1007/s11661-007-9310-7.
Texto completoZheng Li, Yundong Shou, Deping Guo y Filippo Berto. "A coupled elastoplastic damage model for brittle rocks: elastoplastic damage model for brittle rocks". Frattura ed Integrità Strutturale 14, n.º 53 (11 de junio de 2020): 446–56. http://dx.doi.org/10.3221/igf-esis.53.35.
Texto completoLiu, Dong Xin, Lu Ming Shen, Itai Einav y Francois Guillard. "Numerical Investigation on the Failure Behavior of Brittle Granular Chain under Impact". Applied Mechanics and Materials 846 (julio de 2016): 205–10. http://dx.doi.org/10.4028/www.scientific.net/amm.846.205.
Texto completoKubik, Jan y Zbigniew Perkowski. "Description of Brittle Damage in Concrete". Communications - Scientific letters of the University of Zilina 4, n.º 3 (30 de septiembre de 2002): 9–12. http://dx.doi.org/10.26552/com.c.2002.3.9-12.
Texto completoDeng, H. y S. Nemat-Nasser. "Dynamic damage evolution in brittle solids". Mechanics of Materials 14, n.º 2 (diciembre de 1992): 83–103. http://dx.doi.org/10.1016/0167-6636(92)90008-2.
Texto completoWelemane, Hélène y Cristina Goidescu. "Isotropic brittle damage and unilateral effect". Comptes Rendus Mécanique 338, n.º 5 (mayo de 2010): 271–76. http://dx.doi.org/10.1016/j.crme.2010.04.005.
Texto completoBasista, M. y D. Gross. "A note on brittle damage description". Mechanics Research Communications 16, n.º 3 (mayo de 1989): 147–54. http://dx.doi.org/10.1016/0093-6413(89)90052-9.
Texto completoMudunuru, Maruti Kumar, Nishant Panda, Satish Karra, Gowri Srinivasan, Viet T. Chau, Esteban Rougier, Abigail Hunter y Hari S. Viswanathan. "Surrogate Models for Estimating Failure in Brittle and Quasi-Brittle Materials". Applied Sciences 9, n.º 13 (3 de julio de 2019): 2706. http://dx.doi.org/10.3390/app9132706.
Texto completoKim, Jong Ho, Young Gu Kim, Do Kyung Kim, Kee Sung Lee y Soon Nam Chang. "Static and Dynamic Indentation Damage in SiC and Si3N4". Key Engineering Materials 287 (junio de 2005): 410–15. http://dx.doi.org/10.4028/www.scientific.net/kem.287.410.
Texto completoTesis sobre el tema "Brittle damage"
Narayan, Sooraj. "A gradient-damage theory for quasi brittle fracture". Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122236.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 73-77).
Phase-field modeling of brittle fracture of linear elastic solids has been the subject of several studies in the past 25 years. An attractive feature of this approach to model fracture is its seamless ability to simulate the complicated fracture processes of nucleation, propagation, branching and merging of cracks in arbitrary geometries. While most existing models have focussed on fracture of "ideal brittle" materials, we consider fracture of "quasi-brittle" materials. The material is considered to be quasi-brittle in the sense that it does not lose its entire load-carrying capacity at the onset of damage. Instead there is a gradual degradation of the strength of the material, which is the result of microscale decohesion/damage micromechanisms. In this thesis we discuss the formulation of our gradient-damage theory for quasi-brittle fracture using the virtual-power method. The macro- and microforce balances, obtained from the virtual power approach, together with a standard free-energy imbalance law under isothermal conditions, when supplemented with a set of thermodynamically-consistent constitutive equations will provide the governing equations for our theory. We have specialized our general theory to formulate a simple continuum model for fracture of concrete - a quasi-brittle material of vast importance. We have numerically implemented our theory in a finite element program, and simulated numerical examples which show the ability of the simulation capability to reproduce the macroscopic characteristics of the failure of concrete in several technically relevant geometries reported in the literature..
by Sooraj Narayan.
S.M.
S.M. Massachusetts Institute of Technology, Department of Mechanical Engineering
Eberhardt, Erik Brian. "Brittle rock fracture and progressive damage in uniaxial compression". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0008/NQ27403.pdf.
Texto completoDOMINGUES, STELLA MARIS PIRES. "ANALYSIS OF BRITTLE ELASTIC MATERIALS THROUGH A CONTINUOUS DAMAGE MODEL". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1996. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33202@1.
Texto completoCONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
Este trabalho lida com uma teoria de dano contínuo, desenvolvida em um contexto termodinâmico, capaz de realizar uma descrição macroscópica da degradação de um material induzida pela deformação em estruturas elásticas frágeis (isto é, falha ocorre sem deformações permanentes). Na modelagem, supõe-se que a energia livre de Helmholtz não depende apenas da deformação e da temperatura absoluta, mas também da variável dano e de seu gradiente. Além disso, para levar em conta os efeitos microscópicos, a potência dos esforços internos não depende apenas da velocidade e de seu gradiente, mas também da taxa de evolução do dano e de seu gradiente. Apesar da sofisticação mecânica da teoria, uma técnica numérica simples, baseada no método dos elementos finitos, é proposta para aproximar a solução dos problemas matemáticos não lineares resultantes. Nestes problemas o acoplamento entre as variáveis dano e deformação é contornado por meio da técnica de partição dos operadores. Para validar o modelo e investigar as características principais do método numérico, diversos exemplos são apresentados para mostrar que os algoritmos utilizados não são sensíveis à malha (mesh dependent).
The present work deals with a continuum damage theory, developed within a thennodynamical framework, able to perform a macroscopic description of material degradation induced by deformation in brittle elastic structures (i.e. failure occurs without permanent deformations). In the modeling, the Helmholtz free energy is supposed to depend not only on the strain and on the absolute temperature but on a damage variable and its gradient as well. Besides, to account for microscopic effects, the power of internal forces depends not only on the velocity and its gradient, but also on the damage velocity and its gradient. Despite the mechanical sophistication of the theory, a simple numerical technique, based on the únite element method, is proposed to approximate the solution of the resulting non linear mathematical problems. The coupling between damage and strain variables in these problems is circumvented by means of a splitting technique. In order to analyse the physical coherence of the model and to access the main features of the numerical method, a number of examples is presented showing that the numerical computations are not mesh dependent.
Berthier, Estelle. "Quasi-brittle failure of heterogeneous materials : damage statistics and localization". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066588/document.
Texto completoWe propose a novel approach inspired from non-local damage continuum mechanics to describe damage evolution and quasi-brittle failure of disordered solids. Heterogeneities are introduced at a mesoscopic continuous scale through spatial variations of the material resistance to damage. The central role played by the load redistribution during damage growth is analyzed by varying the interaction function used in the non-local model formulation. The spatio-temporal evolution of the damage field is obtained from energy conservation arguments, so that the formulation is thermodynamically consistent. We analytically determine the onsets of localization and failure that appear controlled by the redistribution function. Damage spreading is characterized through a complete statistical analysis of the spatio-temporal organization of the precursors to failure. The power law increase of the rate of energy dissipated by damage and an extracted correlation length close to failure supports the interpretation of quasi-brittle failure as a critical phenomena. Indeed, we establish a connection between our damage model and the evolution law of an elastic interface driven in a disordered medium. It allows to identify the order and control parameters of the critical transition, and capture the scale-free statistical properties of the precursors within the mean field limit. Finally, we experimentally investigate the coaction of localized dissipative events and elastic redistributions in disordered media via compression experiments of two-dimensional arrays of hollow soft cylinders. Our experimental observations show a quantitative agreement with the predictions derived following our approach
Wang, Xiaofeng. "Computational technology for damage and failure analysis of quasi-brittle materials". Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/computational-technology-for-damage-and-failure-analysis-of-quasibrittle-materials(a7c91eb6-5058-4e73-95de-b2f3efd645d2).html.
Texto completoGbetchi, Kokouvi. "Multi-scale modeling of thermo-mechanical dynamic damage in quasi-brittle materials". Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0049.
Texto completoUnder impact mechanical loadings, structural components made of brittle materials may be exposed to dynamic failure. The appropriate modeling of the failure mechanisms at different scales of observation and the prediction of the corresponding thermomechanical damage evolution in such materials is essential for structural reliability predictions. Experimental observations on dynamic failure in brittle materials report important cooling and heating effects in the vicinity of the crack tip. Theoretical modeling of the thermo-mechanical coupling during fracture have been generally undertaken without accounting for microstructural aspects. The objective of the present thesis is to develop a procedure to obtain macroscopic thermo-mechanical damage laws in which the damage evolution is deduced from the propagation of microcracks and the associated small-scale thermal effects in the material. We use the asymptotic homogenization method to obtain the macroscopic thermo-mechanical and damage response of the solid. A Griffith type criterion is assumed for microcracks propagating in modes I or II. Heat sources at the tips of microcracks are considered as a consequence of the energy dissipated during propagation. Frictional heating effects are also considered on the lips of microcracks evolving in the shear mode. An energy approach is developed in combination with the homogenization procedure to obtain macroscopic damage laws. The resulting thermoelastic and damage system involves strong couplings between mechanical and thermal fields. Computation of the effective coefficients allowed us to study the local response predicted by the new models. The macroscopic response exhibits strain-rate sensitivity, microstructural size effects, degradation of thermoelastic properties and specific thermal evolutions due to microcracking and frictional effects at the small scale. Distributed heat sources are present in the macroscopic temperature equation linked to damage and frictional dissipations. The implementation of the proposed damage models in a FEM software allowed us to perform numerical simulations at the structural level. We reproduced numerically experimental tests reported in the literature concerning the rapid failure of PMMA samples impact. The results obtained in the simulations are in good agreement with the experimental observations
Li, Shanhu. "Extended voronoi cell finite element model for damage in brittle matrix composites". The Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=osu1135317411.
Texto completoLi, 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.
Texto completoIn 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
Xiao, Jing. "Damage and fracture of brittle viscoelastic solids with application to ice load models". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0019/NQ47510.pdf.
Texto completoDas, Sagar. "A strain-rate dependent tensile damage model for brittle materials under impact loading". Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/15612.
Texto completoLibros sobre el tema "Brittle damage"
R, Desmorat, ed. Engineering damage mechanics: Ductile, creep, fatigue and brittle failures. Berlin: Springer, 2005.
Buscar texto completoLee, H. K., B. R. Kim y S. Na. Microscale damage analysis for microcrack propagation of brittle composite materials. Hauppauge, N.Y: Nova Science, 2010.
Buscar texto completoMechanical damage and crack growth in concrete: Plastic collapse to brittle fracture. Dordrecht: M. Nijhoff, 1986.
Buscar texto completoCarpinteri, Alberto. Mechanical damage and crack growth in concrete: Plastic collapse to brittle fracture. Dordrecht: Springer Netherlands, 1986.
Buscar texto completoKolari, Kari. Damage mechanics model for brittle failure of transversely isotropic solids: Finite element implentation. [Espoo, Finland]: VTT, 2007.
Buscar texto completoJozef Cornelis Walterus van Vroonhoven. Dynamic crack propagation in brittle materials: Analyses based on fracture and damage mechanics. Eindhoven: Eindhoven University of Technology, 1996.
Buscar texto completoG, Baker, Karihaloo B. L y International Union of Theoretical and Applied Mechanics., eds. Fracture of brittle, disordered materials: Concrete, rock and ceramics : proceedings of the International Union of Theoretical and Applied Mechanics (IUTAM) Symposium on Fracture of Brittle, Disordered Materials : Concrete, Rock and Ceramics, 20-24 September 1993, the University of Queensland, Brisbane, Australia. London: E & FN Spon, 1995.
Buscar texto completoBrittle Fracture and Damage of Brittle Materials and Composites. Elsevier, 2016. http://dx.doi.org/10.1016/c2015-0-01222-9.
Texto completoLamon, Jacques. Brittle Fracture and Damage of Brittle Materials and Composites: Statistical-Probabilistic Approaches. Elsevier, 2016.
Buscar texto completoLamon, Jacques. Brittle Failure and Damage for Brittle Materials and Composites: Statistical-Probabilistic Approaches. Elsevier, 2016.
Buscar texto completoCapítulos de libros sobre el tema "Brittle damage"
Murakami, Sumio. "Elastic-Brittle Damage". En Continuum Damage Mechanics, 253–76. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2666-6_9.
Texto completoBychkov, Aleksandr S. "Scattered Damage Mechanics of Concrete". En Brittle Matrix Composites 3, 593–600. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3646-4_63.
Texto completoPuttick, K. E. "Surface damage in brittle materials". En Metrology and Properties of Engineering Surfaces, 323–59. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-3369-3_10.
Texto completoNajar, Jerzy. "Continuous Damage of Brittle Solids". En Continuum Damage Mechanics Theory and Application, 233–94. Vienna: Springer Vienna, 1987. http://dx.doi.org/10.1007/978-3-7091-2806-0_7.
Texto completoGomez, Quriaky, Jia Li y Ioan R. Ionescu. "Damage and Wave Propagation in Brittle Materials". En Dynamic Damage and Fragmentation, 263–96. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2019. http://dx.doi.org/10.1002/9781119579311.ch8.
Texto completoBreysse, Denis. "A Probabilistic Model for Damage of Concrete Structures". En Brittle Matrix Composites 2, 237–47. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2544-1_24.
Texto completoZhang, Wohua y Yuanqiang Cai. "Brittle Damage Mechanics of Rock Mass". En Continuum Damage Mechanics and Numerical Applications, 357–467. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-04708-4_6.
Texto completoFrancois, D. "Microcracking and Damage in Concrete". En Toughening Mechanisms in Quasi-Brittle Materials, 53–65. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3388-3_5.
Texto completoValoroso, Nunziante y Claude Stolz. "Progressive Damage in Quasi-brittle Solids". En Lecture Notes in Mechanical Engineering, 408–18. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41057-5_34.
Texto completoBasista, M. "Micromechanics of Damage in Brittle Solids". En Anisotropic Behaviour of Damaged Materials, 221–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-36418-4_7.
Texto completoActas de conferencias sobre el tema "Brittle damage"
Vala, Jiří. "Nonlocal damage modelling of quasi-brittle composites". En INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0027268.
Texto completoVala, Jiri, Vladislav Kozak y Petra Jarosova. "On the nonlocal computational modelling of damage in brittle and quasi-brittle materials". En 2020 24th International Conference on Circuits, Systems, Communications and Computers (CSCC). IEEE, 2020. http://dx.doi.org/10.1109/cscc49995.2020.00039.
Texto completoKenmare, Sophie. "CONSTRAINING THE ROLE OF WEATHER CONDITIONS IN DRIVING DAMAGE ACCUMULATION LEADING TO ROCKFALL". En PRF2022—Progressive Failure of Brittle Rocks. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022pr-376045.
Texto completoLesičar, Tomislav, Tomislav Polančec, Karlo Seleš y Zdenko Tonković. "Separated phase-field algorithm for modelling of brittle fracture". En ADVANCES IN FRACTURE AND DAMAGE MECHANICS XX. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0145039.
Texto completoXu, Tao, Shengqi Yang, Mike Heap, Chongfeng Chen y Tianhong Yang. "Microstructural Damage-Induced Localized Fracturing of Brittle Rocks". En Fourth Geo-China International Conference. Reston, VA: American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784480007.007.
Texto completoLarimer, Jeffrey. "COMBINING FRACTURE MECHANICS AND RIVER EROSION: MAKING SENSE OF LITHOLOGICAL DISPARITIES IN DAMAGE PATTERNS AND UNPREDICTABLE EROSION RATESCOMBINING FRACTURE MECHANICS AND RIVER EROSION: MAKING SENSE OF LITHOLOGICAL DISPARITIES IN DAMAGE PATTERNS AND UNPREDICTABLE EROSION RATES". En PRF2022—Progressive Failure of Brittle Rocks. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022pr-376072.
Texto completoRamalho, M. A., E. Papa y A. Taliercio. "A non-local anisotropic damage model for brittle materials". En STREMAH 2007. Southampton, UK: WIT Press, 2007. http://dx.doi.org/10.2495/str070471.
Texto completoBessette-Kirton, Erin. "SENSITIVITY OF AMBIENT RESONANCE MONITORING TO ROCK SLOPE KINEMATICS: TRACKING THE COEVOLUTION OF INSTABILITY DAMAGE AND NATURAL FREQUENCIES USING DISTINCT-ELEMENT MODELING". En PRF2022—Progressive Failure of Brittle Rocks. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022pr-376066.
Texto completoShao, J. F. y R. Khazraei. "Wellbore stability analysis in brittle rocks with continuous damage model". En Rock Mechanics in Petroleum Engineering. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/28054-ms.
Texto completoChen, Qianqiang, Ziad Moumni, Jean Angles y Corinne Rouby. "Modeling of Hydrogen Embrittlement by a Ductile-Brittle Damage Model". En ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45596.
Texto completoInformes sobre el tema "Brittle damage"
Faux, D. R. Brittle damage models in DYNA2D. Office of Scientific and Technical Information (OSTI), septiembre de 1997. http://dx.doi.org/10.2172/328497.
Texto completoSammis, C. G. y M. F. Ashby. The Damage Mechanics of Brittle Solids in Compression. Fort Belvoir, VA: Defense Technical Information Center, julio de 1988. http://dx.doi.org/10.21236/ada201653.
Texto completoChen, E. P. Nonlocal effects on dynamic damage accumulation in brittle solids. Office of Scientific and Technical Information (OSTI), diciembre de 1995. http://dx.doi.org/10.2172/176785.
Texto completoKhuri-Yakub, B. T. A study of mechanical processing damage in brittle materials. Progress report. Office of Scientific and Technical Information (OSTI), noviembre de 1994. http://dx.doi.org/10.2172/10191844.
Texto completoGrinfeld, M. A. Novel Methods in Terminal Ballistics and Mechanochemistry of Damage 2. Phenomenological Mechanochemistry of Damage in Solid Brittle Dielectrics. Fort Belvoir, VA: Defense Technical Information Center, agosto de 2015. http://dx.doi.org/10.21236/ada626922.
Texto completoChen, Z. y H. L. Schreyer. Formulation and computational aspects of plasticity and damage models with application to quasi-brittle materials. Office of Scientific and Technical Information (OSTI), septiembre de 1995. http://dx.doi.org/10.2172/120890.
Texto completoKhuri-Yakub, B. T. A study of mechanical processing damage in brittle materials. Progress report, 1 August 1984--28 February 1985. Office of Scientific and Technical Information (OSTI), abril de 1985. http://dx.doi.org/10.2172/10155288.
Texto completoKhuri-Yakub, B. T. A study of mechanical processing damage in brittle materials. Annual progress report, 1 April 1988--31 March 1989. Office of Scientific and Technical Information (OSTI), abril de 1989. http://dx.doi.org/10.2172/10155303.
Texto completoKhuri-Yakub, B. T. A study of mechanical processing damage in brittle materials. Annual progress report, April 1, 1990--March 31, 1991. Office of Scientific and Technical Information (OSTI), abril de 1991. http://dx.doi.org/10.2172/10191840.
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