GMS:MF6 MDT Package: Difference between revisions
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==OPTIONS== | ==OPTIONS== | ||
*''Print_Input'' – Print input to listing file. | <!--*''Print_Input'' – Print input to listing file. | ||
*''Print_Concentration'' – Print concentration to listing file. | *''Print_Concentration'' – Print concentration to listing file.--> | ||
*'' | *''SAVE_FLOWS'' – Save flows to budget file. | ||
*'' | *''PRINT_FLOWS'' – Print flows to listing file. | ||
*''Concentration Fileout'' – Save concentration to file. | *''SORPTION'' – Activates sorption. Requires values entered for bulk density and distance coefficient. | ||
*''FIRST ORDER DECAY'' – first order decay will occur if this option is on. | |||
* ''TSHIFTMD'' – Enter the time elapsed since matrix diffusion began. | |||
* ''MD FILEOUT'' – Enter a file name for writing AIOLD1MD and AIOLD2MD coefficients to a binary file. | |||
<!--*''Concentration Fileout'' – Save concentration to file. | |||
*''Budget Fileout'' – Save budget to file. | *''Budget Fileout'' – Save budget to file. | ||
*''Hydraulic conductivity for fracture only (FRANHK)'' – Indicates that the hydraulic conductivity and storage terms (for transient simulations) which are input are only for the fracture (mobile) domain. Otherwise, it is assumed that the hydraulic conductivity and storage input for the flow simulation are effective hydraulic conductivity and storage terms for the medium, representative of the entire volume. | *''Hydraulic conductivity for fracture only (FRANHK)'' – Indicates that the hydraulic conductivity and storage terms (for transient simulations) which are input are only for the fracture (mobile) domain. Otherwise, it is assumed that the hydraulic conductivity and storage input for the flow simulation are effective hydraulic conductivity and storage terms for the medium, representative of the entire volume. | ||
*''Darcy flux hydraulic conductivity for fracture only (FRADARCY)'' – Indicates that the Darcy flux should be computed only for the fracture domain by use of this hydraulic conductivity value. Thus, the input hydraulic conductivity is divided by the fracture volume fraction. Also, the storage terms (for transient simulations) which are input are only for the fracture (mobile) domain. | *''Darcy flux hydraulic conductivity for fracture only (FRADARCY)'' – Indicates that the Darcy flux should be computed only for the fracture domain by use of this hydraulic conductivity value. Thus, the input hydraulic conductivity is divided by the fracture volume fraction. Also, the storage terms (for transient simulations) which are input are only for the fracture (mobile) domain. | ||
*''Shift matrix diffusion start time (TSHIFTMD)'' – indicates that the MODFLOW start time (t = 0) is not the starting time of matrix diffusion, and the subsequent real variable. | *''Shift matrix diffusion start time (TSHIFTMD)'' – indicates that the MODFLOW start time (t = 0) is not the starting time of matrix diffusion, and the subsequent real variable. | ||
--> | |||
==GRIDDATA== | ==GRIDDATA== | ||
*''Griddata'' – List of available properties. | *''Griddata'' – List of available properties. | ||
**'' | **''MD_TYPE_FLAG'' — The matrix diffusion type flag at any location. | ||
**'' | **''MD_FRACTION'' – The mobile fraction at any location, i.e., the fraction of the total space that is occupied by the fracture/high permeability domain. | ||
**'' | **''MD_POROSITY'' – The mobile fraction at any location, i.e., the fraction of the total space that is occupied by the fracture/high permeability domain. | ||
**'' | **''BULK_DENSITY'' – The dry bulk density of the porous matrix of the matrix domain at any location | ||
**'' | **''MD_DIFF_LENGTH'' – The diffusion length for diffusive transport within the matrix domain at any location (only used for embedded heterogeneity). | ||
**'' | **''MD_TORTUOSITY'' – The tortuosity of the matrix domain at any location. | ||
**''KDMD'' – The adsorption coefficient (Kd) of a contaminant species in the immobile domain at any location. | <!--**''KDMD'' – The adsorption coefficient (Kd) of a contaminant species in the immobile domain at any location. --> | ||
**'' | **''MD_DIST_COEFF'' – The distribution coefficient of each species component within the matrix domain at any location. | ||
**''YEILDMD'' – The yield coefficient for chain decay at any location. The value indicates mass of species generated by decay of the parent component. | **''MD_DECAY'' – The first-order decay coefficient in water and on soil (1/time) in the matrix domain at any location. | ||
**'' | <!--**''YEILDMD'' – The yield coefficient for chain decay at any location. The value indicates mass of species generated by decay of the parent component. --> | ||
**''MD_DIFF_COEFF'' – The diffusion coefficient of each species component within the matrix domain at any location. | |||
**''AIOLD1MD'' – The concentration integral (equation 8) of each species in an element associated with matrix diffusion into an infinite acting adjacent aquitard (MDFLAG = 1, 3, 4, 5, 6, or 7). This value is used to restart a simulation with prior matrix diffusion. | **''AIOLD1MD'' – The concentration integral (equation 8) of each species in an element associated with matrix diffusion into an infinite acting adjacent aquitard (MDFLAG = 1, 3, 4, 5, 6, or 7). This value is used to restart a simulation with prior matrix diffusion. | ||
**''AIOLD2MD'' – The concentration integral (equation 8) of each species in an element associated with matrix diffusion in low permeability zones that are embedded in the volume element (MDFLAG = 2, 5, 6, or 7). This value is used to restart a simulation with prior matrix diffusion. | **''AIOLD2MD'' – The concentration integral (equation 8) of each species in an element associated with matrix diffusion in low permeability zones that are embedded in the volume element (MDFLAG = 2, 5, 6, or 7). This value is used to restart a simulation with prior matrix diffusion. | ||
*''Layered'' – Turn on and enter the layer value to apply values to specific layers. | |||
*''Use Constant'' – Turn on to enter a constant value. | *''Use Constant'' – Turn on to enter a constant value. | ||
*''Constant Value'' – Enter a constant value for the property. | *''Constant Value'' – Enter a constant value for the property. | ||
*''Dataset to Array'' – | *'''Dataset to Array''' – Opens a ''Select Dataset'' dialog where a dataset can be selected for the array. | ||
==Conversion from MODFLOW-USG Transport== | ==Conversion from MODFLOW-USG Transport== | ||
When converting a MODFLOW-USG Transport model to MODFLOW 6, use the following table when converting the MDT package: | When converting a MODFLOW-USG Transport model to MODFLOW 6, use the following table when converting the MDT package: | ||
{|- | {|- border="1" | ||
|- | |- | ||
|colspan="2"|''MODFLOW-USG Transport'' | |colspan="2" width="250" style="background: #E1E1E1;"|'''MODFLOW-USG Transport''' | ||
|colspan="2"|''MODFLOW 6'' | |colspan="2" width="250" style="background: #E1E1E1;"|'''MODFLOW 6''' | ||
|- | |- | ||
|''Package'' | |style="background: #E1E1E1;"|'''Package''' | ||
|''Variable'' | |style="background: #E1E1E1;"|'''Variable''' | ||
|''Package'' | |style="background: #E1E1E1;"|'''Package''' | ||
|''Variable'' | |style="background: #E1E1E1;"|'''Variable''' | ||
|- | |- | ||
| | |PCB | ||
| | | | ||
|CNC | |CNC | ||
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|DSP | |DSP | ||
|DIFFC | |DIFFC | ||
|- | |||
|BCT | |||
|PRSITY | |||
|MST | |||
|POROSITY | |||
|- | |||
|BCT | |||
|BULKD | |||
|MST | |||
|BULK_DENSITY | |||
|- | |||
|BCT | |||
|ADSORB | |||
|MST | |||
|DISTCOEF | |||
|- | |||
|MDT | |||
|MDFLAG | |||
|MDT | |||
|MD_TYPE_FLAG | |||
|- | |||
|MDT | |||
|VOLFRACMD | |||
|MDT | |||
|MD_FRACTION | |||
|- | |||
|MDT | |||
|PORMD | |||
|MDT | |||
|MD_POROSITY | |||
|- | |||
|MDT | |||
|RHOBMD | |||
|MDT | |||
|BULK_DENSITY | |||
|- | |||
|MDT | |||
|DIFFLENMD | |||
|MDT | |||
|MD_DIFF_LENGTH | |||
|- | |||
|MDT | |||
|TORTMD | |||
|MDT | |||
|MD_TORTUOSITY | |||
|- | |||
|MDT | |||
|DIFFMD | |||
|MDT | |||
|MD_DIFF_COEFF | |||
|} | |} | ||