Paper name:Secondary Circulation Controls Sediment Transport: How Turbidity Currents and Contour Currents Co-construct Depositional Lobes；Mesh-Case-Data-UDFcode

Description

Upon reading the cas.h5 file, Fluent automatically loads the associated data. Once the loading process is complete, compiling the user-defined code file named "Exner" enables morphodynamic simulation of the seabed. Naturally, through a literature survey, one may specify the deposition constant (k-deposition) and erosion constant (k-erosion) at the corresponding locations within the code to simulate morphological evolution under diverse environmental conditions. In this study, we first perform a steady-state simulation to establish a stable contour current flow field, followed by a transient simulation to release the turbidity current. Therefore, to simulate the turbidity current–contour current interaction, the dynamic mesh and the turbidity current velocity inlet should be deactivated initially. Only after the contour current flow field has been fully developed and the residuals have converged should the dynamic mesh settings and the boundary conditions for the turbidity current inlet be configured according to the steps outlined above.

Institutions

• Hainan Tropical Ocean University

  Hainan, Sanya

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