Version 1
: Received: 28 June 2019 / Approved: 29 June 2019 / Online: 29 June 2019 (10:43:27 CEST)
Version 2
: Received: 1 July 2019 / Approved: 2 July 2019 / Online: 2 July 2019 (11:12:46 CEST)
How to cite:
Guo, H.; Fu, J.; Guo, R.; Jiang, H.; Chen, N. A Continuum Model of Drag and Lift Forces for Inclined Planes Dragged Through Granular Beds. Preprints2019, 2019060307. https://doi.org/10.20944/preprints201906.0307.v2
Guo, H.; Fu, J.; Guo, R.; Jiang, H.; Chen, N. A Continuum Model of Drag and Lift Forces for Inclined Planes Dragged Through Granular Beds. Preprints 2019, 2019060307. https://doi.org/10.20944/preprints201906.0307.v2
Guo, H.; Fu, J.; Guo, R.; Jiang, H.; Chen, N. A Continuum Model of Drag and Lift Forces for Inclined Planes Dragged Through Granular Beds. Preprints2019, 2019060307. https://doi.org/10.20944/preprints201906.0307.v2
APA Style
Guo, H., Fu, J., Guo, R., Jiang, H., & Chen, N. (2019). A Continuum Model of Drag and Lift Forces for Inclined Planes Dragged Through Granular Beds. Preprints. https://doi.org/10.20944/preprints201906.0307.v2
Chicago/Turabian Style
Guo, H., Hong Jiang and Nengyuan Chen. 2019 "A Continuum Model of Drag and Lift Forces for Inclined Planes Dragged Through Granular Beds" Preprints. https://doi.org/10.20944/preprints201906.0307.v2
Abstract
Both drag and lift forces impact an inclined plane when it is dragged through a granular bed. In this paper, the following results have been obtained: the drag and lift forces grow with the velocity of motion; when the immersion depth is constant, the inclination angle has no effect on drag force, however, the lift force increases linearly with this inclination angle; the ratio of drag and lift forces is exactly equal to the tangent value of the inclined angle. In order to describe this physical process macroscopically, a continuum wedge model based on the Coulomb model is established to predict drag and lift forces. Particularly，the dynamic friction angle in the assumed shear band is predicted as a function of both inclined angle and moving velocity.
Keywords
granular flow；drag and lift forces；discrete element method
Subject
Physical Sciences, Applied Physics
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
