TRIM-3D - Revision history

Ak3bfric at 10:14, 12 December 2022

2022-12-12T10:14:17Z

imported>BAWiki 3 at 13:34, 1 June 2010

2010-06-01T13:34:40Z

imported>BAWiki 3: Created page with '{{ProgramDescription |name_de=TRIM-3D |name=TRIM-3D |version=4.x / January 2001 |version_descr=October 2001 |catchwords=numerical simulation
finite difference method

2010-05-31T09:53:29Z

Created page with '{{ProgramDescription |name_de=TRIM-3D |name=TRIM-3D |version=4.x / January 2001 |version_descr=October 2001 |catchwords=numerical simulation finite difference method 
finite difference method 
three-dimensional, transient, nonlinear 
hydrostatic pressure, non-hydrostatic pressure 
Navier-Stokes-Equations, Reynolds-Equations 
tidal dynamics 
short waves 
advection-diffusion equation 
salt transport 
numerical model TRIM-3D
|shortdescription=The three-dimensional finite difference numerical model TRIM-3D can be used to simulate flow and transport processes in different free-surface flow problems.
The following list of physical processes are taken into account by TRIM-3D:

* Reynolds-Equations (time-averaged Navier-Stokes-Equations)
:local acceleration (inertia)
:advective acceleration
:Coriolis acceleration
:barotropic pressure gradient
:baroclinic pressure gradient
:hydrostatic or non-hydrostatic pressure
:turbulent diffusion in horizontal directions
:vertical turbulent viscosity influenced by density stratification
:bottom friction
:wind friction
:time-varying height of control-structures (weirs)
advection-diffusion equation
:local rate of change of concentration
:advctive rate of change of concentration
:turbulent diffusion in horizontal directions
:vertical turbulent diffusivity influenced by density stratification

Horizontal turbulent diffusion is parameterized using constant coefficients.

With the aid of the numerical model TRIM-3D the following physical quantities can be calculated:

* free surface elevation
* current velocity
* salinity
* vertical turbulent eddy-viscosity
* vertical turbulent eddy-diffusivity
* hydrodynamic pressure
* water density
* bottom shear stress
* wind shear stress

A comprehensive description of TRIM-3D in the form of a standard validation document is unfortunately not available at the moment.
|inputfiles=Several input-files are identical with those of the numerical model TRIM-2D.

#general input data (filetype [[TRIM3D.DAT|trim3d.dat]])
#general input data for bed load transport (filetype [[TRIM2D.BED.DAT|trim2d.bed.dat]])
#:Notice: informations contained in this file are not used by the current version of the program.
#bathymetry and index arrays (filetype [[TR2.TOPO.BIN.IND|tr2.topo.bin.ind]])
#boundary values file for hydrodynamics (filetype [[TR2.RBH.BIN.I|tr2.rbh.bin.i]] and filetype [[TR2.RBH.BIN|tr2.rbh.bin]])
#(optional) boundary values file for salinity (filetype [[TR2.RBS.BIN.I|tr2.rbs.bin.i]] and filetype [[TR2.RBS.BIN|tr2.rbs.bin]])
#:Notice: only depth-independent boundary values can be prescribed in the current version of the program.
#(optional) boundary values file for suspended sediment concentration (filetype [[TR2.RBC.BIN.I|tr2.rbc.bin.i]] and filetype [[TR2.RBC.BIN|tr2.rbc.bin]])
#:Notice: informations contained in this file are not used by the current version of the program.
#(optional) control structure boundary condition file (filetype [[TR2.RBW.BIN.I|tr2.rbw.bin.i]] and filetype tr2.rbw.bin)
#(optional) wind field (filetype [[TR2.MET.I|tr2.met.bin.i]] and filetype [[TR2.MET.BIN|tr2.met.bin]])
#(optional) initial conditions (filetype [[TR3.RESULT|tr3.result]])
#:'''TR2first_H:''' hydrodynamics
#:'''TR2first_S:''' salinity
#(optional) manually defined initial conditions which are variable in space (filetype [[TR3.DEFFIELDS.DAT|tr3.deffields.dat]])
#(optional) profile-topography (filetype [[PROFIL05.BIN|profil05.bin]])
|outputfiles=
#(optional) results files (filetype [[TR3.RESULT|tr3.result]])
#(optional) time series of computed results at specific locations (filetype [[KNOERG.BIN|knoerg.bin]])
#(optional) computed results along profiles (files of type [[DIRZ.BIN.R|dirz.bin.r]], [[DIRZ.BIN.I|dirz.bin.i]] and [[DIRZ.BIN|dirz.bin]])
#(optional) safety output of computational results at regular intervals (filetype [[TR3.RESULT|tr3.result]])
#:'''TR2save_H:''' hydrodynamics
#:'''TR2save_S:''' salinity
#3D-index-arrays (filetype [[TR2.TOPO.BIN.I3D|tr2.topo.bin.i3d]])
#printer file with informations about essential parameters used and informative messages during program execution (filetype [[TRIM3D.ECHO|trim3d.echo]])
#(optional) trace of program execution (filetype trim3d.trc)
|methodology= -
|preprocessor=[[FD2MET]], [[TR2LQ2]], [[TR2VOR]], [[TR2RND]], TR3RND (under construction)
|postprocessor=[[ADCP2PROFILE]], [[DIDAMERGE]], [[DIDAMINTQ]], [[DIDAMINTZ]], [[DIDARENAME]], [[DIDASPLIT]], [[ENERF]], [[GVIEW2D]], [[LQ2PRO]], [[PGCALC]], [[TIDKEN]], [[TR2GEOM]], [[TR3DIDA]], [[TR3KACHEL]], [[TR3MODATE]], [[TRIMKACH]], [[TRVZR]], [[VTDK]], [[VVIEW2D]], [[XTRDATA]], [[ZEITR]]
|language=Fortran90
|add_software=-
|contact_original=[mailto:vincenzo.casulli@ing.unitn.it V. Casulli],[mailto:günther.lang@baw.de G. Lang]
|contact_maintenance=[mailto:holger.weilbeer@baw.de H. Weilbeer], [mailto:elisabeth.rudolph@baw.de E. Rudolph]
|documentation=please refer to $PROGHOME/examples/trim3d/

general informations: Numerische Methoden für Strömungen, Stoff- und Wärmetransport (available in German only).
}}