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An enduring obstacle to reliable modeling … An enduring obstacle to reliable modeling of the short and long-term evolution of the stream channel-hillslope ensemble has been the difficulty of estimating stresses generated by stream hydrodynamics. To capture the influence of complex three-dimensional (3D) flows on bedrock channel evolution, we derive the contribution of hydrodynamic stresses to the stress state of the underlying bedrock through a Smoothed Particle Hydrodynamics (SPH) approximation of the Navier-Stokes equations as calculated by the DualSPHysics code (Crespo et al., 2015). Coupling the SPH flow solutions to the stress-strain formulation of the Failure Earth REsponse Model (FERM) (Koons et al., 2013) provides three-dimensional erosion as a function of the strength-stress ratio of each point in the computational domain. From the coupling of SPH and FERM we gain a 3D physics-based erosion scheme and a two-way link between complex flows and hillslope dynamics in a finite element framework.pe dynamics in a finite element framework. +
3D Bedrock Channel Evolution with Smoothed Particle Hydrodynamics Coupled to a Finite Element Earth +
Orono +
United States +
kyle.peter.koons@maine.edu +
University of Main +
nicholas.richmond@maine.edu +
University of Maine +
Richmond +
2072729881 +
Richmond_CSDMS_POSTER_May2018.pdf +
Image:Richmond_CSDMS_POSTER_May2018.png +
1) Google Earth Engine +
1) Structure from Motion (SfM) +
4) Artificial Intelligence & Machine Learning +
Maine +
United States +
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20:51:57, 22 January 2018 +
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21:22:14, 4 August 2018 +
