Model:FluidMud

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Contact

Name Tian-Jian Hsu
Type of contact Model developer
Institute / Organization University of Florida
Postal address 1 365 Weil Hall
Postal address 2
Town / City Gainesville
Postal code FL
State Florida
Country USA"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "Country" property.
Email address thsu@ufl.edu
Phone 3523739394
Fax



FluidMud


Metadata

Summary

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

Technical specs

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)
Through owner"Through owner" is not in the list (Through web repository, Through CSDMS repository) of allowed values for the "Source code availability" property.
Source web address
Source csdms web address
Program license type Other
Program license type other --
Memory requirements ~2Mb
Typical run time Few hours


In/Output

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


Process

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 --


Testing

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 --


Other

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 --


FluidMud

Introduction

History

Papers

FluidMud Questionnaire

Contact Information

Model: Fluidmud
Contact person: Tian-Jian Hsu
Institute: University of Delaware
City: Newark, DE
Country: USA
Email: thsu@udel.edu
2nd person involved: --
3rd person involved: --

Model description

Model type: Single model for the coastal domain.
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.

Technical information

Supported platforms: Linux, Windows
Programming language: Fortran77
Model was developed started from: 2005 and development still takes place
To what degree will the model become available: As code
Current license type: --
Memory requirements: ~2MB
Typical run time: Few hours

Input / Output description

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
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
Post-processing software (if needed): Yes, Typical Matlab or Excell plotting
Visualization software (if needed): Yes, Matlab

Process description

Processes represented by 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.
Key physical parameters & 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.
Length scale & resolution constraints: Wave-current BL, lengthscale ~1 m nearbed, grid size ~1mm; Tidal BL: lengthscale 10 m, grid size 1cm
Time scale & resolution constraints: Wave-current BL: timescale ~10 min; time step ~0.01 sec; Tidal BL: timescale days and time step 10 s
Numerical limitations and issues : --

Testing

Available calibration data sets: AMASSED; STRATAFORM; EUROSTRATAFORM
Available test data sets: AMASSED; STRATAFORM; EUROSTRATAFORM
Ideal data for testing: --

User groups

Currently or plans for collaborating with: yes

Documentation

Key papers of the model: Hsu, Traykovski, and Kineke, 2007. J. Geophys. Res., 112, C04011.
Other manuscript in preparation
Is there a manual available: no
Model website if any: --

Additional comments

Comments: --


Issues

Help

Input Files

Output Files

Download

Source