Capabilities

Configuration

Create new clients quickly, easily, and reliably
Repurpose existing flow models as RT simulators
Chained, branching, and networked configurations
Continuum models in 1-D, 2-D, and 3-D
Rectilinear, radial, spherical, axisymmetric domains
Regular and adaptive gridding
Uniform or heterogeneous medium

Mass transport

Transport by advection, dispersion, and diffusion
Reactive and bioreactive transport
Dual porosity (stagnant zones)
Colloidal transport
Stable isotope fractionation and transport
Transient medium and fluid properties

Heat transfer

Advective and conductive heat transfer
Account for heat sources and sinks

Speciation in solution

Species’ concentrations and activity coefficients
Redox equilibrium and disequilibrium
Activity coefficients by Debye-Hückel, B-dot, Davies equations
Pitzer equations for activity coefficients in brines
SIT electrolyte activity model
Ideal, site-mixing, and nonideal solid solutions
Temperature dependence of mixing parameters

Chemical state

Redox state
Mineral saturation
Gas fugacity and partial pressure
Redox disequilibrium energies
Compute charge imbalance
Electrical conductivity by USGS and APHA methods
Vapor phase in closed and open systems