Model:FluidMud: Difference between revisions

Latest revision as of 20:14, 16 September 2020

Also known as
Model type	Single
Model part of larger framework
Note on status model
Date note status model

Spatial dimensions
Spatial extent
Model domain	Coastal
One-line model description	Wave-phase resolving numerical model for fluid mud transport
Extended model description	This is a 1DV wave-phase resolving numerical model for fluid mud transport based on mixture theory with boundary layer approximation. The model incorporates turbulence-sediment interaction, gravity-driven flow, mud rheology, bed erodibility and the dynamics of floc break-up and aggregation.

Keywords:	fluid mud transport,

Supported platforms	Linux, Windows
Other platform
Programming language	Fortran77
Other program language
Code optimized	Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development	2005
Does model development still take place?	Yes
If above answer is no, provide end year model development
Code development status
When did you indicate the 'code development status'?
Model availability	As code
Source code availability (Or provide future intension)
Source web address
Source csdms web address
Program license type	Other
Program license type other	--
Memory requirements	~2Mb
Typical run time	Few hours

Describe input parameters	Measured or artificially generated wave and current forcing. Floc diameter, density. Downslope gravity. Vertical grid mesh. Erodibility. Parameters for Bingham rheology.
Input format	ASCII
Other input format
Describe output parameters	Major quantities: mud floc concentration, flow velocity in longshelf and cross-shelf direction. Other quantities: TKE, turbulent dissipation rate, floc size (if floc dynamics turn on), bottom stress.
Output format	ASCII
Other output format
Pre-processing software needed?	No
Describe pre-processing software
Post-processing software needed?	Yes
Describe post-processing software	Typical Matlab or Excell plotting
Visualization software needed?	Yes
If above answer is yes	Matlab
Other visualization software

Describe processes represented by the model	wave-current boundary layer and fluid mud transport. dilute suspension. wave-supported gravity-driven mudflow. turbulence modulation due to sediment. tidal-driven fluid mud transport. Floc dynamics. Rheology.
Describe key physical parameters and equations	mixture equations (derived from two-phase theory with fine sediment assumption). k-epsilon closure derived from two-phase theory. Bingham rheology. Floc property is based on fractal structure. Bottom boundary condition for mud is based on type I erosion.
Describe length scale and resolution constraints	Wave-current BL, lengthscale ~1 m nearbed, grid size ~1mm; Tidal BL: lengthscale 10 m, grid size 1cm
Describe time scale and resolution constraints	Wave-current BL: timescale ~10 min; time step ~0.01 sec; Tidal BL: timescale days and time step 10 s
Describe any numerical limitations and issues	--

Describe available calibration data sets	AMASSED; STRATAFORM; EUROSTRATAFORM
Upload calibration data sets if available:
Describe available test data sets	AMASSED; STRATAFORM; EUROSTRATAFORM
Upload test data sets if available:
Describe ideal data for testing

Do you have current or future plans for collaborating with other researchers?	Yes

Is there a manual available?	No
Upload manual if available:
Model website if any
Model forum / discussion board

Comments	--

This part will be filled out by CSDMS staff

Can be coupled with:

Model info

Authors

Tian-Jian Hsu

Source code

Model citations

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