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Granularity - Wikipedia
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Precision and ambiguity. Coarse-grained materials or systems have fewer, larger discrete components than fine-grained materials or systems.. 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 ...
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Precision and ambiguity. Coarse-grained materials or systems have fewer, larger discrete components than fine-grained materials or systems.. 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 ...
Differences Between Coarse-Grained and Fine-Grained Soil
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Coarse-grained soils have 50% or less material passing the No. 200 sieve. Fine-grained soils have 50% or more material passing the No. 200 sieve. Engineering properties such as strength and compressibility of coarse-grained soil are governed by the grain-size of the particles and their structural arrangement.
Coarse-grained soils have 50% or less material passing the No. 200 sieve. Fine-grained soils have 50% or more material passing the No. 200 sieve. Engineering properties such as strength and compressibility of coarse-grained soil are governed by the grain-size of the particles and their structural arrangement.
A state-dependent bounding surface model of coarse-grained materials ...
www.sciencedirect.com/science/article/pii/S0266352X2400123X Private View
It should be noted that the GSD of coarse-grained materials is always changed with particle breakage. This phenomenon is unavoidable for rockfill materials when the consolidation pressure reaches 1.5 MPa, as mentioned in section 3.1. Once crushing, granular material behaviors would be dominated by not only initial GSD but also GSD evolution.
It should be noted that the GSD of coarse-grained materials is always changed with particle breakage. This phenomenon is unavoidable for rockfill materials when the consolidation pressure reaches 1.5 MPa, as mentioned in section 3.1. Once crushing, granular material behaviors would be dominated by not only initial GSD but also GSD evolution.
COARSE-GRAINED definition | Cambridge English Dictionary
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COARSE-GRAINED meaning: 1. Coarse-grained rock, soil, paper, material, etc. is rough, or has pieces in it that are larger…. Learn more.
COARSE-GRAINED meaning: 1. Coarse-grained rock, soil, paper, material, etc. is rough, or has pieces in it that are larger…. Learn more.
Rapid discovery of stable materials by coordinate-free coarse graining ...
www.science.org/doi/10.1126/sciadv.abn4117 Private View
In materials science, however, an analogous coarse-grained representation of crystal structures is missing. Thus, we are left confronting the innumerable search space problem. Composition-based approaches can somewhat overcome this challenge ( 6 – 9 ) but do so at the cost of discarding all information about the crystal structures of the ...
In materials science, however, an analogous coarse-grained representation of crystal structures is missing. Thus, we are left confronting the innumerable search space problem. Composition-based approaches can somewhat overcome this challenge ( 6 – 9 ) but do so at the cost of discarding all information about the crystal structures of the ...
Approaches and Perspective of Coarse-Grained Modeling and Simulation ...
pubs.acs.org/doi/10.1021/acsomega.2c06248 Private View
In CG-MD, one or more monomers/units of the hybrid materials are represented as a coarse-grained bead capable of reproducing parts of the polymer architecture. This leads to the loss of fine-grained atomic details of the system, which are crucial for studying properties and interactions of atom-level structures, but concurrently saves a ...
In CG-MD, one or more monomers/units of the hybrid materials are represented as a coarse-grained bead capable of reproducing parts of the polymer architecture. This leads to the loss of fine-grained atomic details of the system, which are crucial for studying properties and interactions of atom-level structures, but concurrently saves a ...
Bottom-up Coarse-Graining: Principles and Perspectives - ACS Publications
pubs.acs.org/doi/pdf/10.1021/acs.jctc.2c00643 Private View
driving the properties of real world materials and complex systems (e.g., those found in biology, chemistry, and materials science). As a ... such as moving from an atomistic simulation to that of the resolution of large coarse-grained (CG) groups of atoms, can partially ameliorate the cost of individual simulations, the relationship between ...
driving the properties of real world materials and complex systems (e.g., those found in biology, chemistry, and materials science). As a ... such as moving from an atomistic simulation to that of the resolution of large coarse-grained (CG) groups of atoms, can partially ameliorate the cost of individual simulations, the relationship between ...
Ultrafine-Grained Materials | SpringerLink
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The common grain size of the metals in the industry is >10 μm and are called coarse-grained materials [ 16 ]. Fine-grained metals that are processed using industrial thermomechanical processing have a grain size of ∼1–10 μm. It is hard to achieve a metal with grain size <1 μm (called ultrafine grained) or <100 nm (called nanograined ...
The common grain size of the metals in the industry is >10 μm and are called coarse-grained materials [ 16 ]. Fine-grained metals that are processed using industrial thermomechanical processing have a grain size of ∼1–10 μm. It is hard to achieve a metal with grain size <1 μm (called ultrafine grained) or <100 nm (called nanograined ...
Bottom-up Coarse-Graining: Principles and Perspectives
pubs.acs.org/doi/10.1021/acs.jctc.2c00643 Private View
Large-scale computational molecular models provide scientists a means to investigate the effect of microscopic details on emergent mesoscopic behavior. Elucidating the relationship between variations on the molecular scale and macroscopic observable properties facilitates an understanding of the molecular interactions driving the properties of real world materials and complex systems (e.g ...
Large-scale computational molecular models provide scientists a means to investigate the effect of microscopic details on emergent mesoscopic behavior. Elucidating the relationship between variations on the molecular scale and macroscopic observable properties facilitates an understanding of the molecular interactions driving the properties of real world materials and complex systems (e.g ...
Coarse-graining auto-encoders for molecular dynamics | npj ...
www.nature.com/articles/s41524-019-0261-5 Private View
Coarse-grained (CG) molecular modeling has been used extensively to simulate complex molecular processes with lower computational cost than all-atom simulations. 1,2 By compressing the full ...
Coarse-grained (CG) molecular modeling has been used extensively to simulate complex molecular processes with lower computational cost than all-atom simulations. 1,2 By compressing the full ...
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(PDF) Geotechnical Characterisation of Coarse-Grained ... - ResearchGate
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Coarse-grained materials in engineering projects can . contain pa rticle sizes greater th an 175 mm. Approaches . for evaluating the shear strength and behaviour of coarse-
Coarse-grained materials in engineering projects can . contain pa rticle sizes greater th an 175 mm. Approaches . for evaluating the shear strength and behaviour of coarse-
Effects of coarse-grained material on hydraulic properties and shear ...
www.sciencedirect.com/science/article/pii/S0013795208001257 Private View
The low permeability of the top soil will cause the area around sidewalks to have poor drainage. The water clogged in the soil reduces its shear strength and consequently induces sidewalk damage. In order to improve permeability and shear strength, top soil can be mixed with a coarse-grained material, such as granite chips.
The low permeability of the top soil will cause the area around sidewalks to have poor drainage. The water clogged in the soil reduces its shear strength and consequently induces sidewalk damage. In order to improve permeability and shear strength, top soil can be mixed with a coarse-grained material, such as granite chips.
Effect of Gradation on the Strength and Stress-Dilation Behavior of ...
ascelibrary.org/doi/10.1061/JGGEFK.GTENG-10972 Private View
The influence of gradation on the strength and stress-dilatancy behavior of coarse-grained soils is complex because it depends on the soil state, which is complicated by the use of parameters that can bias and obscure the effects of gradation (i.e., void ratio versus relative density or state parameter).
The influence of gradation on the strength and stress-dilatancy behavior of coarse-grained soils is complex because it depends on the soil state, which is complicated by the use of parameters that can bias and obscure the effects of gradation (i.e., void ratio versus relative density or state parameter).
Coarse-grained Dynamics Simulation in Polymer Systems: from ... - Springer
link.springer.com/article/10.1007/s40242-022-2080-3 Private View
Based on recent studies in our group, the main progress of coarse-grained simulation methods in studying the structure, properties and physical mechanism of polymer materials is reviewed. It is anticipated to provide a reference for further development of coarse-grained simulation methods and software suitable for polymer research.
Based on recent studies in our group, the main progress of coarse-grained simulation methods in studying the structure, properties and physical mechanism of polymer materials is reviewed. It is anticipated to provide a reference for further development of coarse-grained simulation methods and software suitable for polymer research.
Energy renormalization for coarse-graining polymers having ... - Science
www.science.org/doi/10.1126/sciadv.aav4683 Private View
Polymer glass-forming (GF) materials exhibit complex dynamic and mechanical properties that strongly depend on temperature due to the glass transition (), and assessing these properties using all-atomistic (AA) molecular dynamics (MD) simulations is inherently challenging because of their limitations of accessing extended time and length scales.. Multiscale modeling, such as coarse-grained (CG ...
Polymer glass-forming (GF) materials exhibit complex dynamic and mechanical properties that strongly depend on temperature due to the glass transition (), and assessing these properties using all-atomistic (AA) molecular dynamics (MD) simulations is inherently challenging because of their limitations of accessing extended time and length scales.. Multiscale modeling, such as coarse-grained (CG ...
Uncertainty driven active learning of coarse grained free ... - Nature
www.nature.com/articles/s41524-023-01183-5 Private View
Top-down coarse grained force fields are well established with widespread use across different applications 3,4,12,13,14,15,16,17,18,20,21, while the development of bottom-up coarse grained models ...
Top-down coarse grained force fields are well established with widespread use across different applications 3,4,12,13,14,15,16,17,18,20,21, while the development of bottom-up coarse grained models ...
Ultrasonic signal enhancement for coarse grain materials by machine ...
www.sciencedirect.com/science/article/pii/S0041624X21001773 Private View
1. Introduction. 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].When a coarse-grained material is detected by ultrasonic testing (UT), flaw echoes will probably be submerged in noise background resulting from ...
1. Introduction. 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].When a coarse-grained material is detected by ultrasonic testing (UT), flaw echoes will probably be submerged in noise background resulting from ...
Coarse‐grained methods for polymeric materials: enthalpy‐ and entropy ...
wires.onlinelibrary.wiley.com/doi/10.1002/wcms.1149 Private View
Coarse-grained methods for polymeric materials: enthalpy- and entropy-driven models. Paola Carbone, Corresponding Author. ... Because of the large conformational space that needs to be sampled when simulating polymers, coarse-grained (CG) models are commonly used and depending on which part of the system free energy (enthalpy, entropy, or both ...
Coarse-grained methods for polymeric materials: enthalpy- and entropy-driven models. Paola Carbone, Corresponding Author. ... Because of the large conformational space that needs to be sampled when simulating polymers, coarse-grained (CG) models are commonly used and depending on which part of the system free energy (enthalpy, entropy, or both ...
Constitutive Modeling of Coarse-Grained Materials Incorporating the ...
ascelibrary.org/doi/10.1061/(ASCE)GM.1943-5622.0000759 Private View
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. A generalized plasticity model with a multiaxial formulation is developed for CGMs based on ...
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. A generalized plasticity model with a multiaxial formulation is developed for CGMs based on ...
Mechanical Modeling of Frozen Coarse-Grained Materials ... - Hindawi
www.hindawi.com/journals/amse/2021/6639428 Private View
In the cold regions of China, coarse-grained materials are frequently encountered or used as backfilling materials in infrastructure construction, such as dams, highways, railways, and mineral engineering structures. Effects of confining pressure (0.2, 0.5, and 1 MPa) and frozen temperature (−2, −5, −10, and −15°C) on the stress-strain response and elastic modulus were ...
In the cold regions of China, coarse-grained materials are frequently encountered or used as backfilling materials in infrastructure construction, such as dams, highways, railways, and mineral engineering structures. Effects of confining pressure (0.2, 0.5, and 1 MPa) and frozen temperature (−2, −5, −10, and −15°C) on the stress-strain response and elastic modulus were ...