Also known as
Model type Single
Model part of larger framework
Incorporated models or components:
Spatial dimensions
Spatial extent
Model domain Terrestrial
One-line model description Simulates critical shields theta for median grain sizes
Extended model description Calculates the critical Shields Theta for the median size of a distribution and then calculates the critical shear stress of the ith, jth fraction using a hiding function

sediment entrainment,

First name Rudy
Last name Slingerland
Type of contact Model developer
Institute / Organization Penn State University
Postal address 1 503A Deike Building
Postal address 2
Town / City University Park
Postal code 16802
State Pennsylvania
Country United States
Email address
Phone 814 865-6892
Fax 814 865-3191

Supported platforms Unix, Linux, Mac OS, 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 1992
Does model development still take place? No
If above answer is no, provide end year model development 1994
Code development status As is, no updates are provided
When did you indicate the 'code development status'? 2020
Model availability As code
Source code availability
(Or provide future intension)
Through CSDMS repository
Source web address
Source csdms web address
Program license type Other
Program license type other --
Memory requirements <512Mb
Typical run time A few seconds

Describe input parameters Boundary Reynolds Number, D50 of the bed, Shields Theta for D50 size fraction, median diameters of the other bed size fractions
Input format ASCII
Other input format
Describe output parameters Critical shear stress for entrainment of a noncohesive grain from a mixed size-density bed
Output format ASCII
Other output format
Pre-processing software needed? No
Describe pre-processing software
Post-processing software needed? No
Describe post-processing software
Visualization software needed? Yes
If above answer is yes
Other visualization software any software that can read ASCII data

Describe processes represented by the model --
Describe key physical parameters and equations Uses Komar or Egiazaroff formulations for calculating the Shield's critical shear stress of the ith size and jth density fraction of a heterogeneous size-density bed
Describe length scale and resolution constraints --
Describe time scale and resolution constraints --
Describe any numerical limitations and issues --

Describe available calibration data sets See Slingerland et al. (1994)
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available:
Describe ideal data for testing

Do you have current or future plans for collaborating with other researchers? None
Is there a manual available? No
Upload manual if available:
Model website if any
Model forum / discussion board

This part will be filled out by CSDMS staff

OpenMI compliant No but possible
BMI compliant No but possible
WMT component No but possible
PyMT component
Is this a data component
DOI model 10.1594/IEDA/100113
For model version 0.1
Year version submitted 1994
Link to file
Can be coupled with:
Model info

Nr. of publications: 2
Total citations: 23
h-index: 1
m-quotient: 0.04
Qrcode ENTRAINH.png
Link to this page




Nr. of publications: 2
Total citations: 23
h-index: 1
m-quotient: 0.04



Input Files

Output Files