sediment.in: Difference between revisions

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!------------------------------------------------------------------------------
!------------------------------------------------------------------------------


! Switch is used to control sediment model computation within nested and/or
Switch is used to control sediment model computation within nested and/or
! multiple connected grids, [1:Ngrids].
multiple connected grids, [1:Ngrids].


   Lsediment == T
   Lsediment == T


!------------------------------------------------------------------------------
!------------------------------------------------------------------------------
!  General sediment bed model controls.
 
2) General sediment bed model controls.
 
!------------------------------------------------------------------------------
!------------------------------------------------------------------------------


! Depositional bed layer thickness criteria to create a new layer (m). If
Depositional bed layer thickness criteria to create a new layer (m). If
! deposition exceeds this value, then a new layer is created, [1:Ngrids].
deposition exceeds this value, then a new layer is created, [1:Ngrids].


     NEWLAYER_THICK == 0.01d0
     NEWLAYER_THICK == 0.01d0


! Bed load transport rate coefficient. [1:Ngrids].
Bed load transport rate coefficient. [1:Ngrids].


     BEDLOAD_COEFF == 0.05d0
     BEDLOAD_COEFF == 0.05d0


!------------------------------------------------------------------------------
!------------------------------------------------------------------------------
! Suspended Cohesive Sediment Parameters, [1:NCS,1:Ngrids] values expected.
 
3) Suspended Cohesive Sediment Parameters, [1:NCS,1:Ngrids] values expected.
 
!------------------------------------------------------------------------------
!------------------------------------------------------------------------------


! Median sediment grain diameter (mm).
Median sediment grain diameter (mm).


     MUD_SD50 == 0.01d0  0.06d0  0.10d0
     MUD_SD50 == 0.01d0  0.06d0  0.10d0


! Sediment concentration (kg/m3).
Sediment concentration (kg/m3).


     MUD_CSED == 0.0d0  0.0d0  0.0d0
     MUD_CSED == 0.0d0  0.0d0  0.0d0


! Sediment grain density (kg/m3).
Sediment grain density (kg/m3).


     MUD_SRHO == 2650.0d0  2650.0d0  2650.0d0
     MUD_SRHO == 2650.0d0  2650.0d0  2650.0d0


! Particle settling velocity (mm/s).
Particle settling velocity (mm/s).


     MUD_WSED == 0.1d0  1.0d0  2.0d0
     MUD_WSED == 0.1d0  1.0d0  2.0d0


! Surface erosion rate (kg/m2/s).
Surface erosion rate (kg/m2/s).


     MUD_ERATE == 5.0d-5  5.0d-5  5.0d-5
     MUD_ERATE == 5.0d-5  5.0d-5  5.0d-5


! Critical shear for erosion and deposition (N/m2).
Critical shear for erosion and deposition (N/m2).


     MUD_TAU_CE == 0.05d0  0.05d0  0.05d0
     MUD_TAU_CE == 0.05d0  0.05d0  0.05d0
    Critical stress for deposition is not used.
     MUD_TAU_CD == 0.01d0  0.01d0  0.01d0
     MUD_TAU_CD == 0.01d0  0.01d0  0.01d0


! Porosity (nondimensional: 0.0-1.0):  Vwater/(Vwater+Vsed).
Porosity (nondimensional: 0.0-1.0):  Vwater/(Vwater+Vsed).


     MUD_POROS == 0.0d0  0.0d0  0.0d0
     MUD_POROS == 0.0d0  0.0d0  0.0d0


! Lateral, harmonic and biharmonic, constant, diffusion coefficient.
Lateral, harmonic and biharmonic, constant, diffusion coefficient.


     MUD_TNU2 == 0.0d0  0.0d0  0.0d0            ! m2/s
     MUD_TNU2 == 0.0d0  0.0d0  0.0d0            ! m2/s
     MUD_TNU4 == 0.0d0  0.0d0  0.0d0            ! m4/s
     MUD_TNU4 == 0.0d0  0.0d0  0.0d0            ! m4/s


! Vertical diffusion coefficients.
Vertical diffusion coefficients.


   MUD_AKT_BAK == 5.0d-6  5.0d-6  5.0d-6          ! m2/s
   MUD_AKT_BAK == 5.0d-6  5.0d-6  5.0d-6          ! m2/s


! Nudging/relaxation time scales, inverse scales will be computed
Nudging/relaxation time scales, inverse scales will be computed
! internally.
internally.


   MUD_TNUDG == 0.0d0 0.0d0 0.0d0              ! days
   MUD_TNUDG == 0.0d0 0.0d0 0.0d0              ! days


! Morphological time scale factor (greater than or equal to 1.0). A  
Morphological time scale factor (greater than or equal to 1.0). A  
! value of 1.0 has no scale effect.
value of 1.0 has no scale effect.


MUD_MORPH_FAC == 1.0d0 1.0d0 1.0d0              ! nondimensional
MUD_MORPH_FAC == 1.0d0 1.0d0 1.0d0              ! nondimensional


! Logical switch (TRUE/FALSE) to activate writing of cohesive sediment
Logical switch (TRUE/FALSE) to activate writing of cohesive sediment
! into HISTORY output file.
into HISTORY output file.


Hout(idmud)  == T                              ! suspended concentration
Hout(idmud)  == T                              ! suspended concentration
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!------------------------------------------------------------------------------
!------------------------------------------------------------------------------
! Non-cohesive Sediment Parameters, [1:NNS,1:Ngrids] values expected.
 
3) Non-cohesive Sediment Parameters, [1:NNS,1:Ngrids] values expected.
 
!------------------------------------------------------------------------------
!------------------------------------------------------------------------------


! Median sediment grain diameter (mm).
Median sediment grain diameter (mm).


   SAND_SD50 == 1.0d0
   SAND_SD50 == 1.0d0


! Sediment concentration (kg/m3).
Sediment concentration (kg/m3).


   SAND_CSED == 0.0d0
   SAND_CSED == 0.0d0


! Sediment grain density (kg/m3).
Sediment grain density (kg/m3).


   SAND_SRHO == 2650.0d0
   SAND_SRHO == 2650.0d0


! Particle settling velocity (mm/s).
Particle settling velocity (mm/s).


   SAND_WSED == 1.0d0
   SAND_WSED == 1.0d0


! Surface erosion rate (kg/m2/s).
Surface erosion rate (kg/m2/s).


   SAND_ERATE == 1.0d-5
   SAND_ERATE == 1.0d-5


! Critical shear for erosion and deposition (N/m2).
Critical shear for erosion and deposition (N/m2).


  SAND_TAU_CE == 0.07d0
  SAND_TAU_CE == 0.07d0
  SAND_TAU_CD == 0.02d0
  SAND_TAU_CD == 0.02d0


! Porosity (nondimensional: 0.0-1.0):  Vwater/(Vwater+Vsed).
Porosity (nondimensional: 0.0-1.0):  Vwater/(Vwater+Vsed).


   SAND_POROS == 0.5d0
   SAND_POROS == 0.5d0


! Lateral, harmonic and biharmonic, constant, diffusion coefficient.
Lateral, harmonic and biharmonic, constant, diffusion coefficient.


   SAND_TNU2 == 0.0d0                          ! m2/s
   SAND_TNU2 == 0.0d0                          ! m2/s
   SAND_TNU4 == 0.0d0                          ! m4/s
   SAND_TNU4 == 0.0d0                          ! m4/s


! Vertical diffusion coefficients.
Vertical diffusion coefficients.


SAND_AKT_BAK == 5.0d-6                          ! m2/s
SAND_AKT_BAK == 5.0d-6                          ! m2/s


! Nudging/relaxation time scales, inverse scales will be computed
Nudging/relaxation time scales, inverse scales will be computed
! internally.
internally.


   SAND_TNUDG == 0.0d0                          ! days
   SAND_TNUDG == 0.0d0                          ! days


! Morphological time scale factor (greater than or equal to 1.0). A
Morphological time scale factor (greater than or equal to 1.0). A
! value of 1.0 has no scale effect.
value of 1.0 has no scale effect.


SAND_MORPH_FAC == 1.0d0 1.0d0 1.0d0            ! nondimensional
SAND_MORPH_FAC == 1.0d0 1.0d0 1.0d0            ! nondimensional


! Logical switches (TRUE/FALSE) to activate writing of non-cohesive
Logical switches (TRUE/FALSE) to activate writing of non-cohesive
! sediment into HISTORY output file.
sediment into HISTORY output file.


Hout(idsand) == T                              ! suspended concentration
Hout(idsand) == T                              ! suspended concentration
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!------------------------------------------------------------------------------
!------------------------------------------------------------------------------
! Bed layer and bottom sediment parameters, [1:Ngrids] values expected.
 
5) Bed layer and bottom sediment parameters, [1:Ngrids] values expected.
 
!------------------------------------------------------------------------------
!------------------------------------------------------------------------------


Revision as of 02:42, 30 June 2007

The text below shows the entries in the default sediment.in file, with links to more detailed explanation where required.

! There are 5 sections to the sediment INPUT File. 1) Sediment control switches, for nested grids. 2) Sediment Bed Model parameters. 3) Non-Cohesive sediment paramters. 4) Cohesive sediment paramters. 5) Bed layer and bottom sediment output properties.

!------------------------------------------------------------------------------

1) Sediment model control switch.

!------------------------------------------------------------------------------ 

Switch is used to control sediment model computation within nested and/or
multiple connected grids, [1:Ngrids].

  Lsediment == T

!------------------------------------------------------------------------------

2) General sediment bed model controls.

!------------------------------------------------------------------------------ 

Depositional bed layer thickness criteria to create a new layer (m). If
deposition exceeds this value, then a new layer is created, [1:Ngrids].

   NEWLAYER_THICK == 0.01d0

Bed load transport rate coefficient. [1:Ngrids].

   BEDLOAD_COEFF == 0.05d0

!------------------------------------------------------------------------------

3) Suspended Cohesive Sediment Parameters, [1:NCS,1:Ngrids] values expected.

!------------------------------------------------------------------------------ 

Median sediment grain diameter (mm).

   MUD_SD50 == 0.01d0  0.06d0  0.10d0

Sediment concentration (kg/m3).

   MUD_CSED == 0.0d0  0.0d0  0.0d0

Sediment grain density (kg/m3).

   MUD_SRHO == 2650.0d0  2650.0d0  2650.0d0

Particle settling velocity (mm/s).

   MUD_WSED == 0.1d0  1.0d0  2.0d0

Surface erosion rate (kg/m2/s).

   MUD_ERATE == 5.0d-5  5.0d-5  5.0d-5

Critical shear for erosion and deposition (N/m2).

   MUD_TAU_CE == 0.05d0  0.05d0  0.05d0

   Critical stress for deposition is not used.
   MUD_TAU_CD == 0.01d0  0.01d0  0.01d0

Porosity (nondimensional: 0.0-1.0):  Vwater/(Vwater+Vsed).

   MUD_POROS == 0.0d0  0.0d0  0.0d0

Lateral, harmonic and biharmonic, constant, diffusion coefficient.

   MUD_TNU2 == 0.0d0  0.0d0  0.0d0             ! m2/s
   MUD_TNU4 == 0.0d0  0.0d0  0.0d0             ! m4/s

Vertical diffusion coefficients.

  MUD_AKT_BAK == 5.0d-6  5.0d-6  5.0d-6          ! m2/s

Nudging/relaxation time scales, inverse scales will be computed
internally.

  MUD_TNUDG == 0.0d0 0.0d0 0.0d0               ! days

Morphological time scale factor (greater than or equal to 1.0). A 
value of 1.0 has no scale effect.

MUD_MORPH_FAC == 1.0d0 1.0d0 1.0d0  ! nondimensional 

Logical switch (TRUE/FALSE) to activate writing of cohesive sediment
into HISTORY output file.

Hout(idmud) == T  ! suspended concentration Hout(iMfrac) == T  ! bed layer fraction Hout(iMmass) == T  ! bed layer mass Hout(iMUbld) == T  ! bed load at U-points Hout(iMVbld) == T  ! bed load at V-points

!------------------------------------------------------------------------------

3) Non-cohesive Sediment Parameters, [1:NNS,1:Ngrids] values expected.

!------------------------------------------------------------------------------ 

Median sediment grain diameter (mm).

  SAND_SD50 == 1.0d0

Sediment concentration (kg/m3).

  SAND_CSED == 0.0d0

Sediment grain density (kg/m3).

  SAND_SRHO == 2650.0d0

Particle settling velocity (mm/s).

  SAND_WSED == 1.0d0

Surface erosion rate (kg/m2/s).

 SAND_ERATE == 1.0d-5

Critical shear for erosion and deposition (N/m2).

SAND_TAU_CE == 0.07d0
SAND_TAU_CD == 0.02d0

Porosity (nondimensional: 0.0-1.0):  Vwater/(Vwater+Vsed).

 SAND_POROS == 0.5d0

Lateral, harmonic and biharmonic, constant, diffusion coefficient.

  SAND_TNU2 == 0.0d0                           ! m2/s
  SAND_TNU4 == 0.0d0                           ! m4/s

Vertical diffusion coefficients.

SAND_AKT_BAK == 5.0d-6  ! m2/s 

Nudging/relaxation time scales, inverse scales will be computed
internally.

 SAND_TNUDG == 0.0d0                           ! days

Morphological time scale factor (greater than or equal to 1.0). A
value of 1.0 has no scale effect.

SAND_MORPH_FAC == 1.0d0 1.0d0 1.0d0  ! nondimensional 

Logical switches (TRUE/FALSE) to activate writing of non-cohesive
sediment into HISTORY output file.

Hout(idsand) == T  ! suspended concentration Hout(iSfrac) == T  ! bed layer fraction Hout(iSmass) == T  ! bed layer mass Hout(iSUbld) == T  ! bed load at U-points Hout(iSVbld) == T  ! bed load at V-points

!------------------------------------------------------------------------------

5) Bed layer and bottom sediment parameters, [1:Ngrids] values expected.

!------------------------------------------------------------------------------ 

Hout(ithck) == T                               ! sediment layer thickness
Hout(iaged) == T                               ! sediment layer age
Hout(iporo) == T                               ! sediment layer porosity
Hout(idiff) == F                               ! biodiffusivity
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