Academic literature on the topic 'Mesoscale damage model'

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Journal articles on the topic "Mesoscale damage model"

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Jiang, Bin, Ji Guang Song, Song Tao Wang, Bo Chen, and Xuan Chi Liu. "Model of Intrinsic/Extrinsic about the Safety for High Speed Milling Tools on Mesoscale." Advanced Materials Research 500 (April 2012): 198–204. http://dx.doi.org/10.4028/www.scientific.net/amr.500.198.

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The article is about the safety for high speed milling tools between macroscopic and mesoscale, making some analysis about the relationship between damage of cutting tools and its components and mesoscale movement, the damage of cutting tools and its components is known. With the boundary conditions of material force damage, using the material design software named MAPS to do molecular dynamics simulation, the simulation is about mesoscale state in different stress, Make sure the various mesoscale movement on stress response rate, the model of intrinsic/extrinsic about the safety for high spee
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Liu, Hankun, Xiaodan Ren, Shixue Liang, and Jie Li. "Physical Mechanism of Concrete Damage under Compression." Materials 12, no. 20 (2019): 3295. http://dx.doi.org/10.3390/ma12203295.

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Although considerable effort has been taken regarding concrete damage, the physical mechanism of concrete damage under compression remains unknown. This paper presents, for the first time, the physical reality of the damage of concrete under compression in the view of statistical and probabilistic information (SPI) at the mesoscale. To investigate the mesoscale compressive fracture, the confined force chain buckling model is proposed; using which the mesoscale parameters concerned could be directly from nanoindentation by random field theory. Then, the mesoscale parameters could also be identi
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Noshadravan, Arash, and Roger Ghanem. "A probabilistic mesoscale damage detection in polycrystals using a random matrix approach." Journal of Intelligent Material Systems and Structures 24, no. 8 (2013): 1007–17. http://dx.doi.org/10.1177/1045389x12473376.

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This article is concerned with a probabilistic mesoscale damage detection in polycrystals. For this purpose, we make use of a stochastic model describing the linear elasticity matrix of material at the mesoscale. The model is constructed using a maximum entropy principle and random matrix theory and allows one to directly construct a probabilistic model for the system random matrices characterizing the constitutive behavior of the system. First, the theoretical framework and upscale scheme in the construction of the model are briefly reviewed. For each case of healthy and damaged materials, wh
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Wang, Zhixuan, Xiao Liu, Xiaoquan Shao, Jianyong Han, and Yu Liu. "Development and Numerical Implementation of Plastic Damage Constitutive Model for Concrete Under Freeze–Thaw Cycling." Buildings 15, no. 13 (2025): 2155. https://doi.org/10.3390/buildings15132155.

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The predictive modeling of concrete degradation under freeze–thaw cycling remains a challenge due to complex damage mechanisms and limited simulation accuracy. A plastic damage constitutive model for fly ash concrete under freeze–thaw conditions was established based on experimental data and implemented via the concrete damage plasticity (CDP) model in ABAQUS. A modified stress–strain relationship and damage factor were introduced to describe mechanical deterioration across various freeze–thaw stages. Macro- and mesoscale finite element simulations were applied to simulate the stress–strain ev
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Zhaodong, Ding, and Li Jie. "A physically motivated model for fatigue damage of concrete." International Journal of Damage Mechanics 27, no. 8 (2017): 1192–212. http://dx.doi.org/10.1177/1056789517726359.

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The fatigue problem of concrete is still a challenging topic in the researches and applications of concrete engineering. This paper aims to develop a fatigue damage evolution law based model for concrete motivated by the analysis of physical mechanism. In this model, the fatigue energy dissipation process at microscale is investigated with rate process theory. The concept of self-similarity is employed to bridge the scale gap between microscale cracking and mesoscale dissipative element. With the stochastic fracture model, the crack avalanches and macro-crack nucleation processes from mesoscal
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Shi, Feiyu, Shanshan Cheng, and Longyuan Li. "Mesoscale Modeling for Predicting Effective Properties and Damage Behavior of Geopolymer Concrete." Materials 18, no. 1 (2024): 88. https://doi.org/10.3390/ma18010088.

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Geopolymer concrete is a sustainable construction material and is considered as a promising alternative to traditional Portland cement concrete. However, there is still not much research on the effective properties and damage behavior of geopolymer concrete with consideration of its heterogeneous characteristics by means of mesoscale models combined with the regularized microplane damage model. Here, in this research, an easy and simpler approach for generating concrete mesoscale models and characterizing the angular characteristics of aggregate particles is presented. After the proposed mesos
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Pei, Xianfeng, Xiaoyu Huang, Houmin Li, et al. "Numerical Simulation of Fatigue Life of Rubber Concrete on the Mesoscale." Polymers 15, no. 9 (2023): 2048. http://dx.doi.org/10.3390/polym15092048.

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Rubber concrete (RC) exhibits high durability due to the rubber admixture. It is widely used in a large number of fatigue-resistant structures. Mesoscale studies are used to study the composition of polymers, but there is no method for fatigue simulation of RC. Therefore, this paper presents a finite element modeling approach to study the fatigue problem of RC on the mesoscale, which includes the random generation of the main components of the RC mesoscale structure. We also model the interfacial transition zone (ITZ) of aggregate mortar and the ITZ of rubber mortar. This paper combines the th
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Al-Jelawy, Haider M., Ayad Al-Rumaithi, Aqeel T. Fadhil, and Mohannad H. Al-Sherrawi. "Probabilistic Mesoscale Analysis of Concrete Beams Subjected to Flexure." International Journal of Applied Mechanics and Engineering 26, no. 3 (2021): 12–27. http://dx.doi.org/10.2478/ijame-2021-0032.

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Abstract In this paper, the probabilistic behavior of plain concrete beams subjected to flexure is studied using a continuous mesoscale model. The model is two-dimensional where aggregate and mortar are treated as separate constituents having their own characteristic properties. The aggregate is represented as ellipses and generated under prescribed grading curves. Ellipses are randomly placed so it requires probabilistic analysis for model using the Monte Carlo simulation with 20 realizations to represent geometry uncertainty. The nonlinear behavior is simulated with an isotropic damage model
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Guo, Junhua, Weidong Wen, Hongjian Zhang, and Haitao Cui. "A mesoscale fatigue progressive damage model for 3D woven composites." International Journal of Fatigue 152 (November 2021): 106455. http://dx.doi.org/10.1016/j.ijfatigue.2021.106455.

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Vu, Giao, Fabian Diewald, Jithender J. Timothy, Christoph Gehlen, and Günther Meschke. "Reduced Order Multiscale Simulation of Diffuse Damage in Concrete." Materials 14, no. 14 (2021): 3830. http://dx.doi.org/10.3390/ma14143830.

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Damage in concrete structures initiates as the growth of diffuse microcracks that is followed by damage localisation and eventually leads to structural failure. Weak changes such as diffuse microcracking processes are failure precursors. Identification and characterisation of these failure precursors at an early stage of concrete degradation and application of suitable precautionary measures will considerably reduce the costs of repair and maintenance. To this end, a reduced order multiscale model for simulating microcracking-induced damage in concrete at the mesoscale levelis proposed. The mo
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Dissertations / Theses on the topic "Mesoscale damage model"

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Xotta, Giovanna. "Mesoscale modelling of concrete as a multiphase material." Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422951.

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In recent years, thanks to upgraded computational resources, concrete has started being modeled as porous medium at 3D meso level, distinguishing in the multiphase system the role of aggregates, cement paste and interfacial transition zone (ITZ). A deep knowledge on the behaviour of concrete materials at the mesoscale level requires, as a fundamental aspect, to characterize aggregates and specifically, their thermal properties if fire hazards (e.g. spalling) are accounted for. The assessment of aggregates performance (and, correspondingly, concrete materials made of aggregates, cement paste an
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An, Feng-Chen. "Modelling of FRP-concrete interfacial bond behaviour." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/10511.

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Externally bonding of fibre-reinforced polymer (FRP) strips or sheets has become a popular strengthening method for reinforced concrete structures over the last two decades. For most such strengthened concrete beams and slabs, the failure is at or near the FRP-concrete interface due to FRP debonding. The objective of this thesis is to develop a deeper understanding of the debonding behaviour of the FRP-concrete interface through mesoscale finite element simulation. Central to the investigation is the use of the concrete damaged plasticity (CDP) model for modelling the concrete. The FRP is trea
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"Implementation of a Coupled Creep Damage Model in MOOSE Finite Element Framework: Application to Irradiated Concrete Structures." Doctoral diss., 2020. http://hdl.handle.net/2286/R.I.57132.

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abstract: There has been a renewed interest to understand the degradation mechanism of concrete under radiation as many nuclear reactors are reaching their expiration date. Much of the information on the degradation mechanism of concrete under radiation comes from the experiments, which are carried out on very small specimens. With the advent of finite element analysis, a numerical predictive tool is desired that can predict the extent of damage in the nuclear concrete structure. A mesoscale micro-structural framework is proposed in Multiphysics Object-Oriented Simulation Environment (MOOSE)
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Mangualde, Pedro Miguel Ferreira de Sousa Pepe. "Numerical analysis of CFRP mesoscale models." Master's thesis, 2016. http://hdl.handle.net/10362/21553.

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Composite materials, specifically Carbon Fiber Reinforced Polymers, have a complex mechanical behaviour, therefore it is extremely complicated to predict failure and damage. There has been an increasing use of composite materials for structural applications as an alternative to metal due its lightweight and strength properties. Consequently, it is important to consolidate the knowledge about its behaviour under different loads in order to apply them correctly in structural applications. The Carbon Fiber Reinforced Polymer studied in this dissertation is a spread tow carbon fabric with four d
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Book chapters on the topic "Mesoscale damage model"

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Grégoire, David, Peter Grassl, Laura B. Rojas-Solano, and Gilles Pijaudier-Cabot. "Macro and Mesoscale Models to Predict Concrete Failure and Size Effects." In Damage Mechanics of Cementitious Materials and Structures. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118562086.ch5.

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Meyer, Christopher S., Enock Bonyi, Bazle Z. Haque, Daniel J. O’Brien, Kadir Aslan, and John W. Gillespie. "Ballistic Impact Experiments and Quantitative Assessments of Mesoscale Damage Modes in a Single-Layer Woven Composite." In Dynamic Behavior of Materials, Volume 1. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95089-1_2.

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Aissaoui N., Ghezali S., and Matallah M. "Macro vs mesoscale modelling of fracture in concrete beams: size effect and crack openings." In Construction Materials and Structures. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-466-4-1201.

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The size effect in concrete structures is a well-known phenomenon. In the present paper both macro and meso scale approaches were used to numerically investigate the size effect on notched beams under three point bending. The scale effect is investigated on the nominal strength and on the crack openings. For the macroscopic approach, concrete is considered as a monophasic material described by a softening damage law whereas for the mesoscopic approach, concrete is considered as a biphasic material made of two components (the aggregates and the matrix phase). A damage based model is used to des
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Conference papers on the topic "Mesoscale damage model"

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Giorla, Alain B., and Yann Le Pape. "A Creep-Damage Model for Mesoscale Simulations of Concrete Expansion-Degradation Phenomena." In 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures. American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479346.065.

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Dongmo, B. F. "A 3D visco-elasto-plasto damage constitutive model of concrete under long-term effects." In AIMETA 2022. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902431-6.

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Abstract. A comprehensive 3D visco-elasto-plasto-damage constitutive model of concrete is proposed to analyze its behaviour under long-term and cyclic loadings. This model combines the visco-elasticy and plasticity theories together with damage mechanics. The work aims at providing an efficient model capable of predicting the material behaviour, taking into account time-dependent effects at the mesoscale. The visco-elastic part is modeled within the framework of the linear visco-elasticity theory. The creep function is evaluated with the aid of the B3 model by Bažant and Baweja, and implement
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MEYER, CHRISTOPHER S., BAZLE Z. HAQUE, DANIEL J. O’BRIEN, and OHN W. GILLESPIE, JR. "MICROMECHANICAL FINITE ELEMENT PREDICTION OF INTERLAMINAR TRACTION-SEPARATION LAWS USING J-INTEGRAL APPROACH." In Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35941.

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Dynamic impact loading of woven composites leads to mesoscale damage such as interlaminar transverse cracks and intralaminar tow-tow delamination cracks. At the microscale, this damage may be modeled as fracture between [90/90] and [0/90] unidirectional composite laminates. Microscale finite element model (FEM) resolution of dynamic impact at structural length scale is intractable, but mesoscale FEM resolution is possible with current computational resources. However, mesoscale cohesive zone modeling of this damage requires appropriate tractionseparation laws. These laws are predicted in this
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Meyer, Christopher S., John W. Gillespie, and Bazle Z. (Gama) Haque. "Mesoscale Modeling of High-Velocity Impact on Thick-Section Woven Composites." In 2022 16th Hypervelocity Impact Symposium. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/hvis2022-33.

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Abstract This work presents an approach for modeling high-velocity impact on multi-layered plain weave composites. This approach resolves plain weave architecture with mesoscale detail, and applies the continuum assumption to the microscale. Models include rate-dependent material constitutive, damage and failure behavior, and rate-dependent cohesive interfacial failure. Rate-dependent cohesive traction-separation laws were derived from previously published microscale models of fracture. The modeling approach was validated by comparing the predicted impact versus residual velocity (VI-VR) respo
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Chandra, A., Y. Huang, Z. Q. Jiang, and K. X. Hu. "A Model of Crack Nucleation in Layered Electronic Assemblies Under Thermal Cycling." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0926.

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Abstract A model for crack nucleation in layered electronic assemblies under thermal cycling is developed in this paper. The present model includes three scales: (i) at the microscale or the mechanism level, the damage mechanisms such as diffusive void growth or fatigue cracks, determine the damage growth rate; (2) at an intermediate mesoscale, the localized damage bands are modeled as variable stiffness springs connecting undamaged materials; and (iii) at the macroscale or the continuum level, the localized damage band growing in an otherwise undamaged material is modeled as an array of dislo
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Salvini, Michael, Nicolò Grilli, David Knowles, et al. "Modelling the Effect of Residual Stresses on Damage Accumulation Using a Coupled Crystal Plasticity Phase Field Fracture Approach." In ASME 2024 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/pvp2024-124294.

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Abstract Residual stresses are a crucial factor in assessing the integrity of welded joints. These stresses are known to influence the joint’s strength under additional loading, with the altered grain structure at and near the joint a complicating factor. Consequently, a mesoscale model is essential to understand the accumulation of damage in components subjected to external loading, as well as the impact of prior loads on failure. This study addresses the interplay between loading direction and grain morphology, explicitly investigating damage accumulation. The mesoscale model includes a coup
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Zhao, H., and B. Sokhansanj. "Developing a hybrid mesoscale model to predict the impact of oxidative stress damage to individual microtubules on overall cytoskeletal mechanics." In 2006 Bio Micro and Nanosystems Conference. IEEE, 2006. http://dx.doi.org/10.1109/bmn.2006.330937.

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AHMADVASHAGHBASH, SINA, MAHOOR MEHDIKHANI, and YENTL SWOLFS. "MESOSCALE ANALYSIS OF TRANSLAMINAR FRACTURE IN THIN-PLY LAMINATES." In Proceedings for the American Society for Composites-Thirty Seventh Technical Conference. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/asc37/36386.

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Translaminar fracture toughness is a key property that determines the notch sensitivity and the damage tolerance of fibre-reinforced composites. By establishing a novel downscaled compact tension specimen configuration, designed for 4D synchrotron radiation computed tomography, a comprehensive perception of developed failure mechanisms can be attained. In this study, first, an initial finite element model, based on limited literature data for a compact tension of a [90/0]8s T300/913 carbon-epoxy laminate [1] is developed. Next, the cohesive law parameters between 0°/0° plies in a [902/0/902/0/
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Reese, Shawn P., and Jeffrey A. Weiss. "Micromechanical Model of a Collagen Based Tendon Surrogate: Development and Validation." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80949.

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In tendons and ligaments, collagen is organized hierarchically into nanoscale fibrils, microscale fibers and mesoscale fascicles. Force transfer across scales is complex and poorly understood, and macroscale strains are not representative of the microscale strains [1]. Since innervation, the vasculature, damage mechanisms and mechanotransduction occur at the microscale, understanding such multiscale interactions is of high importance. In this study, a physical model was used in combination with a computational model to isolate and study the mechanisms of force transfer between scales. The obje
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WANG, Huiling. "Investigation of mesoscale deformation and damage behaviour in high-carbon bearing steel via multiscale simulations and experiments." In Metal Forming 2024. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903254-45.

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Abstract. High-carbon steel is susceptible to micro-defects owing to the heterogeneous microstructures during forming, which seriously deteriorates the fatigue life. However, the investigation of the damage behavior during cold deformation remains largely undisclosed in these steels, which hinders further control of the microstructure and forming process. The current work investigates the deformation and damage characteristics of high-carbon steel composed of soft ferrite and hard cementite particles. A methodology coupled with multiscale simulations and experiments is applied to analyze large
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