NSTL国家科技图书文献中心

1. Dense granular flow described by micropolar fluid and its peridynamic implementation NSTL国家科技图书文献中心

Wan, Ji | Qu, Wenzhong ... - 《Acta Geotechnica》 - 2025,20(1) - 413～438 - 共26页

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular* mu(I) flow are discussed in* | the translational movement of the granular flow | behavior of the granular* flow. Increasing either micro* | , we find it affects the granular* flow only on the*

关键词： mu(I) rheology | Column collapse | Dense granular flow | Micropolar fluid | Peridynamics

2. Continuous chute-flow rheometer: A multi-modal approach to dense granular flows NSTL国家科技图书文献中心

Henry, Kayli | Chen, Zhengpu ... - 《Particuology》 - 2025,101 - 146～154 - 共9页

摘要： dense flow of granular media. Experiments were done | experimental approach toward the measurement of dense | granular rheology. It used a concentric cylinder | rheometer tilted along an axis, essentially a chute flow | , particle velocity, and discharge mass flow* rate. A linear*

关键词： Dense granular flow | Granular rheology | Couette | Chute | Continuous | Multi-modal sensing

3. Modeling the Dense Granular Flow Rheology of Particles With Different Surface Friction: Implications for Geophysical Mass Flows NSTL国家科技图书文献中心

Cui, Kahlil F. E. | Zhou, Gordon G. D.... - 《Journal of geophysical research.Earth Surface》 - 2025,130(3) - n/a～n/a - 共18页

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow* of surface* | friction-different granular* mixtures, we conducted* | parameters of a wide range of mixture scenarios and flow | determination of the flow* resistance due to friction*

关键词： granular flow | surface friction | granular rheology | DEM

4. Dry granular column collapse: Numerical simulations using the partially regularized μ(I)-model via stabilized finite elements and phase field formulation NSTL国家科技图书文献中心

Balachtsis, Athanasi... | Dimakopoulos, Yannis ... - 《International Journal of Multiphase Flow》 - 2025,182 - 共18页

摘要： column of dry granular* material surrounded by air* | We revisit the gravitational collapse of a 2D | , using a continuum mechanics approximation. By | employing the Cahn-Hilliard phase-field equation as an | interface capturing technique and by coupling it with the

关键词： Dense dry granular flows | Complex Fluids | Viscoplastic | Stabilised Finite Element Method | Phase field | Multiphase flow | mu(I)-rheology

5. Dry and immersed granular column collapse: Flow dynamics and transient rheology NSTL国家科技图书文献中心

Lin, Jiayu | Zhao, Tao ... - 《Powder Technology》 - 2025,453 - 共12页

摘要： behavior of dense* granular assembly leading to greater* | followed by the granular* flow in the critical state. In* | The granular* column collapse is a simplified* | flows, such as landslides, debris flow, and rock | of these granular* flows is crucial in the*

关键词： CFD-DEM | Granular column collapse | Dynamics | Transient rheology | Non-local behavior

6. Thermodynamics-based modelling of undrained viscoplastic flow deformation in granular material NSTL国家科技图书文献中心

Yang Xiao | Fang Liang ... - 《International journal of engineering science》 - 2025,211(Jun.) - 104251.1～104251.26 - 共26页

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular* flow pattern* | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

关键词： Granular material | Undrained shearing | Constitutive model | Non-coaxiality | Critical state

7. Numerical study on startup behaviors of dense powder conveying in powder fueled ramjets using modified TFM incorporated with μ(I) rheology theory NSTL国家科技图书文献中心

Gao, Shilin | Zhang, Haibin ... - 《Powder Technology》 - 2025,452 - 共14页

摘要： of granular* flow. New constructed model was* | model was presented for dense* powder conveying in* | characteristics, and three distinct sub-stages of dense* powder* | startup behaviors of dense* powder conveying, and offers* | new insights into the dynamics of dense* powder*

关键词： Dense powder conveying | Startup | Two-fluid model | mu ( I ) rheology theory | Relative volatility

8. Ultrasound-induced dense granular flows: a two-time scale modelling NSTL国家科技图书文献中心

Martin, H. A. | Mangeney, A.... - 《Journal of Fluid Mechanics》 - 2025,1004 - 共34页

摘要： numerically investigate two-dimensional dense* granular flows* | . Granular* materials provide a relevant model system to* | ultrasound-induced granular* avalanches can be related to a* | optically opaque granular* medium remains a challenging* | grain scale that eventually lead to a continuous flow

关键词： dry granular material | waves in random media | computational methods

9. Enhancing the computational performance of granular flow simulations in DEM and CFD-DEM with Adaptive Sparse Contacts (ASC) NSTL国家科技图书文献中心

Collard-Daigneault, ... | Vidal, David ... - 《Powder Technology》 - 2025,452 - 共16页

摘要： numerical method to predict granular* flows. However* | state, through granular* temperature evaluation. An* | in particulate flow* dynamics with a speedup up to* | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

关键词： Granular material | Discrete element method (DEM) | CFD-DEM | Computational efficiency | Granular temperature | High-performance computing (HPC)

10. The influence of filling ratio and container geometry on granular convection and the dynamical mechanisms of three unconventional convection patterns in a vibrated granular bed NSTL国家科技图书文献中心

Zhang, Shukai | Wang, Xiaopeng ... - 《Powder Technology》 - 2025,456 - 共21页

摘要： cyclic flow phenomenon observed in dense granular | Granular convection typically refers to the | on the changes in convection flow* patterns and* | containers (< 1:4), high filling ratios of granular* systems* | . Under these atypical conditions, the forms of granular

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular* mu(I) flow are discussed in* | the translational movement of the granular flow | behavior of the granular* flow. Increasing either micro* | , we find it affects the granular* flow only on the*

关键词： mu(I) rheology | Column collapse | Dense granular flow | Micropolar fluid | Peridynamics

摘要： dense flow of granular media. Experiments were done | experimental approach toward the measurement of dense | granular rheology. It used a concentric cylinder | rheometer tilted along an axis, essentially a chute flow | , particle velocity, and discharge mass flow* rate. A linear*

关键词： Dense granular flow | Granular rheology | Couette | Chute | Continuous | Multi-modal sensing

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow* of surface* | friction-different granular* mixtures, we conducted* | parameters of a wide range of mixture scenarios and flow | determination of the flow* resistance due to friction*

关键词： granular flow | surface friction | granular rheology | DEM

摘要： column of dry granular* material surrounded by air* | We revisit the gravitational collapse of a 2D | , using a continuum mechanics approximation. By | employing the Cahn-Hilliard phase-field equation as an | interface capturing technique and by coupling it with the

关键词： Dense dry granular flows | Complex Fluids | Viscoplastic | Stabilised Finite Element Method | Phase field | Multiphase flow | mu(I)-rheology

摘要： behavior of dense* granular assembly leading to greater* | followed by the granular* flow in the critical state. In* | The granular* column collapse is a simplified* | flows, such as landslides, debris flow, and rock | of these granular* flows is crucial in the*

关键词： CFD-DEM | Granular column collapse | Dynamics | Transient rheology | Non-local behavior

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular* flow pattern* | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

关键词： Granular material | Undrained shearing | Constitutive model | Non-coaxiality | Critical state

摘要： of granular* flow. New constructed model was* | model was presented for dense* powder conveying in* | characteristics, and three distinct sub-stages of dense* powder* | startup behaviors of dense* powder conveying, and offers* | new insights into the dynamics of dense* powder*

关键词： Dense powder conveying | Startup | Two-fluid model | mu ( I ) rheology theory | Relative volatility

关键词： dry granular material | waves in random media | computational methods

摘要： numerical method to predict granular* flows. However* | state, through granular* temperature evaluation. An* | in particulate flow* dynamics with a speedup up to* | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

关键词： Granular material | Discrete element method (DEM) | CFD-DEM | Computational efficiency | Granular temperature | High-performance computing (HPC)

摘要： cyclic flow phenomenon observed in dense granular | Granular convection typically refers to the | on the changes in convection flow* patterns and* | containers (< 1:4), high filling ratios of granular* systems* | . Under these atypical conditions, the forms of granular

关键词： Granular convection | Vibration fluidization | Container features | Filling ratio | Particle transport | DEM

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular mu(I) flow are discussed in | the translational movement of the granular flow | behavior of the granular flow. Increasing either micro | , we find it affects the granular flow only on the

关键词： mu(I) rheology | Column collapse | Dense granular flow | Micropolar fluid | Peridynamics

摘要： dense flow of granular media. Experiments were done | experimental approach toward the measurement of dense | granular rheology. It used a concentric cylinder | rheometer tilted along an axis, essentially a chute flow | , particle velocity, and discharge mass flow rate. A linear

关键词： Dense granular flow | Granular rheology | Couette | Chute | Continuous | Multi-modal sensing

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow of surface | friction-different granular mixtures, we conducted | parameters of a wide range of mixture scenarios and flow | determination of the flow resistance due to friction

关键词： granular flow | surface friction | granular rheology | DEM

摘要： column of dry granular material surrounded by air | We revisit the gravitational collapse of a 2D | , using a continuum mechanics approximation. By | employing the Cahn-Hilliard phase-field equation as an | interface capturing technique and by coupling it with the

关键词： Dense dry granular flows | Complex Fluids | Viscoplastic | Stabilised Finite Element Method | Phase field | Multiphase flow | mu(I)-rheology

摘要： behavior of dense granular assembly leading to greater | followed by the granular flow in the critical state. In | The granular column collapse is a simplified | flows, such as landslides, debris flow, and rock | of these granular flows is crucial in the

关键词： CFD-DEM | Granular column collapse | Dynamics | Transient rheology | Non-local behavior

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular flow pattern | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

关键词： Granular material | Undrained shearing | Constitutive model | Non-coaxiality | Critical state

摘要： of granular flow. New constructed model was | model was presented for dense powder conveying in | characteristics, and three distinct sub-stages of dense powder | startup behaviors of dense powder conveying, and offers | new insights into the dynamics of dense powder

关键词： Dense powder conveying | Startup | Two-fluid model | mu ( I ) rheology theory | Relative volatility

关键词： dry granular material | waves in random media | computational methods

摘要： numerical method to predict granular flows. However | state, through granular temperature evaluation. An | in particulate flow dynamics with a speedup up to | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

关键词： Granular material | Discrete element method (DEM) | CFD-DEM | Computational efficiency | Granular temperature | High-performance computing (HPC)

摘要： cyclic flow phenomenon observed in dense granular | Granular convection typically refers to the | on the changes in convection flow patterns and | containers (< 1:4), high filling ratios of granular systems | . Under these atypical conditions, the forms of granular

关键词： Granular convection | Vibration fluidization | Container features | Filling ratio | Particle transport | DEM

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： granular flow with a modified mu(I) rheology flow law | horizon size on the granular* mu(I) flow are discussed in* | the translational movement of the granular flow | behavior of the granular* flow. Increasing either micro* | , we find it affects the granular* flow only on the*

摘要： dense flow of granular media. Experiments were done | experimental approach toward the measurement of dense | granular rheology. It used a concentric cylinder | rheometer tilted along an axis, essentially a chute flow | , particle velocity, and discharge mass flow* rate. A linear*

摘要： discrete element method simulations of dense granular | and microstructure. To study the flow* of surface* | friction-different granular* mixtures, we conducted* | parameters of a wide range of mixture scenarios and flow | determination of the flow* resistance due to friction*

摘要： column of dry granular* material surrounded by air* | We revisit the gravitational collapse of a 2D | , using a continuum mechanics approximation. By | employing the Cahn-Hilliard phase-field equation as an | interface capturing technique and by coupling it with the

摘要： behavior of dense* granular assembly leading to greater* | followed by the granular* flow in the critical state. In* | The granular* column collapse is a simplified* | flows, such as landslides, debris flow, and rock | of these granular* flows is crucial in the*

摘要： viscoplasticity with considerations of the granular kinetic flow | captures the diversity of undrained granular* flow pattern* | granular kinetic fluctuation varying from dilative dense | In this paper, the thermodynamics of granular | unified modelling of undrained viscoplastic flow

摘要： of granular* flow. New constructed model was* | model was presented for dense* powder conveying in* | characteristics, and three distinct sub-stages of dense* powder* | startup behaviors of dense* powder conveying, and offers* | new insights into the dynamics of dense* powder*

摘要： numerical method to predict granular* flows. However* | state, through granular* temperature evaluation. An* | in particulate flow* dynamics with a speedup up to* | 2.4x. The sensitivity of the method to the granular | conveying cases shows suitability for capturing dense

摘要： cyclic flow phenomenon observed in dense granular | Granular convection typically refers to the | on the changes in convection flow* patterns and* | containers (< 1:4), high filling ratios of granular* systems* | . Under these atypical conditions, the forms of granular