STOMP

Boundary Conditions Syntax (CO2E)

The Boundary Conditions Card for STOMP-CO2e can be used to specify boundary conditions for the energy, fluid flow, or salt.  Boundary conditions are one of two types: 1) Dirichlet or 2) Neumann.  Dirichlet-type boundary conditions specify state conditions at the boundary surface centroid (i.e., temperature, pressure, phase saturation).  Neumann-type boundary conditions specify either fluxes (i.e., heat flux, fluid flux, salt flux) across a boundary surface. For STOMP-CO2E the specification order is always: 1) energy, 2) aqueous, 3) gas, 4) dissolved salt, and 5) reactive species.

Input Data Types

Character string (e.g., van Genuchten, porosity, m^3/s, Roe Superbee)

Integer (no alpha characters, special characters, or punctuation) (e.g., 1, 32, 195634)

Real (decimal points and exponential notation allowed) (e.g., 0, 0.0, 1.e-12, 1.E+3, 2.345)

Keyword (exact formatting required) (e.g., file, ~Solution Control Card, binary file)

Card Title

~Boundary Conditions Card

Number of Boundary Condition Domains

Number of Boundary Conditions,

Repeat

Repeat for the number of boundary conditions.

Boundary Condition Orientation and Type Options

Choose One

Choose one boundary condition orientation and type

 

I,J,K Indexing Option
Isothermal without reactive transport: I,J,K Indexing Option
External File Option

This content will only be shown when expanded

File,External File Name,Aqueous Type Option,Solute Type Option (one for each solute),Species Type Option (one only)

Boundary Condition Species Names (ECKEChem Option)

Species Names

Number of Named Species,Species Name (one for each species),...

Boundary Condition Surface Domain

Choose One

Choose one boundary condition surface domain option

I,J,K Indexing Option

I Start,I End,J Start,J End,K Start,K End,Number of Time Points,

External File Option

Number of Time Points,

Boundary Condition Time Schedule

Repeat

Repeat for the number of time points.

General form

Time,Units (s), Energy Parameter, Units, Aqueous Parameter,Units,Aqueous Dissolved-CO2 Relative Saturation,Gas Parameter, Units, Water-Vapor Relative Humidity,Salt Parameter, Units,Species Parameter,Units,(one for each named species)...

Energy Boundary Condition Options

Energy Dirichlet Option

...,Temperature,Units (C),...

Energy Initial Condition Option

...,,,...

Energy Neumann Option

...,Energy Flux,Units (J),...

Energy Outflow Option

...,,,...

Geothermal Energy Option

...,Temperature,Units (C),...

Energy Zero Flux Option

...,,,...

Aqueous Boundary Condition Options

Aqueous Dirichlet Option

...,Aqueous Pressure,Units (Pa),...

Aqueous Initial Condition Option

...,,,...

Aqueous Neumann Option

...,Aqueous Flux,Units (m/s),...

Aqueous Hydraulic Gradient Option

...,Aqueous Pressure,Units (Pa),...

Aqueous Unit Gradient Option

...,,,...

Aqueous Saturated Option

...,,,...

Aqueous Zero Flux Option

...,,,...

Gas Boundary Condition Options

Gas Dirichlet Option

...,Gas Pressure,Units (Pa),...

Gas Initial Condition Option

...,,,...

Gas Neumann Option

...,Gas Flux,Units (m/s),...

Gas Hydraulic Gradient Option

...,Gas Pressure,Units (Pa),...

Gas Zero Flux Option

...,,,...

Salt Boundary Condition Options

Aqueous Relative Saturation

...,Dissolved NaCl relative saturation,,...

Relative Saturation-Inflow

...,Dissolved NaCl relative saturation,,...

Aqueous Mass Fraction

...,NaCl aqueous mass fraction,,...

Mass Fraction-Inflow

...,NaCl aqueous mass fraction,,...

Outflow

...,,,...

Molality

...,NaCl aqueous molality,,...

Molality Inflow

...,NaCl aqueous molality,,...

Aqueous Concentration

...,NaCl aqueous concentation,Units (kg/m3),...

Aqueous Concentration Inflow

...,NaCl aqueous concentation,Units (kg/m3),...

Initial Conditions

...,,,...

Zero Flux

...,,,...

 

Species Boundary Condition Options

Species Aqueous Concentration Option

...Species Aqueous Concentration,Units (1/kg),...

Species Inflow Aqueous Concentration Option

...Species Aqueous Concentration,Units (1/kg),...

Species Inflow-Outflow Aqueous Concentration Option

...Species Aqueous Concentration,Units (1/kg),...

Species Initial Condition Option

...,,...

Species Outflow Option

...,,...

Species Inflow-Outflow Gas Option

...Species Gas Concentration,Units (1/kg),...

Species Inflow-Outflow Option

...Species Aqueous Concentration,Units (1/kg),...

Species Inflow Option

...Species Aqueous Concentration,Units (1/kg),...

Species Volumetric Concentration Option

...Species Aqueous Concentration,Units (1/kg),...

Species Gas Concentration Option

...Species Gas Concentration,Units (1/kg),...

Species Zero Flux Option

...,,...

Tip

If a parameter is left unspecified it is assumed "zero flux" and no entry is required.

Specifying Multiple Time Points

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