Granularity - Wikipedia

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A coarse-grained description of a system regards large subcomponents. A fine-grained description regards smaller components of which the larger ones are composed. The concepts granularity, coarseness, and fineness are relative; and are used when comparing systems or descriptions of systems.
Approaches and Perspective of Coarse-Grained Modeling and Simulation ...
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To circumvent this problem, a variety of coarse-grained (CG) models have been proposed, ranging from the generic CG models for qualitative properties predictions to more realistic chemically specific CG models for quantitative properties predictions.
Coarse-grained Dynamics Simulation in Polymer Systems: from ... - Springer
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This review summarizes the coarse-grained models and methods in the dynamic simulations for polymers and their composite systems based on graphics processing unit (GPU) algorithms, and discusses the characteristics, applications, and advantages of different simulation methods.
Enhancing Coarse-Grained Models through Machine Learning
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Over the years, a plethora of CG methods have been developed and applied to simulate systems from simple fluids to complex nanobiomaterials. (1−8) The CG methods can be categorized chiefly into two types; (i) the first one is based on mapping all-atoms (AA) to CG beads descriptions and constructing effective potential models that describe intera...
Coarse-Grained Protein Models and Their Applications
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Many useful applications of coarse-grained protein models have been described in the past few years. (19-32) Coarse-grained models have been successfully used in studying protein folding mechanisms based on either very generalized protein-like models or simulations of real proteins (see section 4.2 ).
PolySMart: a general coarse-grained molecular dynamics polymerization ...
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PolySMart: a general coarse-grained molecular dynamics polymerization scheme. Search articles by author. The development of simulation methods to study the structure and dynamics of a macroscopically sized piece of polymer material is important as such methods can elucidate structure–property relationships.
Coarse Grained Simulation and Turbulent Material Mixing
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1 Introduction. Turbulent mixing modeling and predictability rely on availability of big data generated in computational and laboratory experiments. Research challenges involve developing effective strategies for data generation, characterization, and analysis—as well as data curation, storage, mining, sharing, transfer, and visualization.
Coarse Grained Simulation and Turbulent Mixing
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In coarse grained simulation (CGS), large energy-containing structures are resolved, smaller structures are spatially filtered out, and unresolved subgrid scale ... 4 - Material Conservation of Passive Scalar Mixing in Finite Scale Navier Stokes Fluid Turbulence pp 87-104. By J. Raymond Ristorcelli;
Constitutive Modeling of Coarse-Grained Materials Incorporating the ...
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Coarse-grained materials (CGMs), including gravel, ballast, and rockfill material, exhibit a complicated stress-strain-volume change behavior, which is state dependent and influenced by considerable particle breakage even under relatively low pressure.
Coarse-grained modeling - Wikipedia
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Coarse-grained models are widely used for molecular modeling of biomolecules [1] [2] at various granularity levels. A wide range of coarse-grained models have been proposed. They are usually dedicated to computational modeling of specific molecules: proteins, [1] [2] nucleic acids, [3] [4] lipid membranes, [2] [5] carbohydrates [6] or water. [7] .
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Ultrasonic signal enhancement for coarse grain materials by machine ...
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It is well-recognized that the coarse grained materials, such as austenitic stainless steel, present high attenuation and scattering of ultrasonic wave due to the presence of lots of grain boundaries inside this kind of materials [1].
Coarse Grained Simulation and Turbulent Material Mixing
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Coarse Grained Simulation and Turbulent Material Mixing. January 2017. DOI: 10.1007/978-3-319-41217-7_21. In book: Whither Turbulence and Big Data in the 21st Century? (pp.401-420) Authors:...
Coarse Grained Simulation and Turbulent Material Mixing
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21 Coarse Grained Simulation and Turbulent Material Mixing 413 Fig. 21.10 The bipolar RM behavior [ 27 , 60 ]; IC are indi cated on very top and instantaneous mix
Experimental investigation of the particle breakage of coarse-grained ...
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Coarse-grained materials with less water content were subject to more particle breakage. In addition, irrespective of the initial gradings and water content, an increase in the extent of particle breakage with an increase in the compaction coefficient was observed under impact loading.
Ultrafine-Grained Materials | SpringerLink
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17.1 What Is Ultrafine-Grained Materials. Ultrafine-grained (UFG) metallic materials are at the cutting edge of modern materials science as they exhibit outstanding properties which make them very interesting for prospective structural or functional engineering applications.
Coarse-grain annealing of steel - tec-science
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5605. The aim of coarse grain annealing is to improve machinability! Heat treatment of steel | Annealing | Normalizing | Recrystallisation | Soft annealing | etc. Watch on. In general a coarse-grained steel microstructure is undesirable due to the relatively low toughness and strength values.
Simulations of Coarse-Grained Materials - NRC
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ML20122A252. Reports are freely available from https://adams.nrc.gov/wba/ Approach. Generate realistic models of austenitic welds and coarse-grain materials, including crystalline orientations (Euler angles). Evaluate beam simulations in CIVA, and compare results to empirical beam maps.
Introduction: Coarse-Graining in Molecular Modeling and Simulation ...
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What then are the major challenges of coarse-graining? In many ways the answer to this question depends on the questions one wishes to ask. For example, one common and often legitimate approach is to develop reductionist or “toy” coarse-grained (CG) models that reveal the essential physics of a given class of systems.
Long-Term Behavior of Coarse-Grained Rockfill Material and Their ...
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In this paper a novel hypoplastic constitutive model for moisture sensitive, coarse-grained rockfill materials is presented. In the constitutive equations, the so-called solid hardness is a...
terminology - Coarse-grained vs fine-grained - Stack Overflow
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Coarse-grained systems consist of fewer, larger components than fine-grained systems; a coarse-grained description of a system regards large subcomponents while a fine-grained description regards smaller components of which the larger ones are composed. answered Sep 22, 2010 at 6:39. Michael Petrotta.

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