User Guide

Welcome to the GEOS user guide.

• Input Files
  • XML
  • Input Validation
  • XML Schema
  • Advanced XML Features
• Meshes
  • Internal Mesh Generation
  • Using an External Mesh
• Physics Solvers
  • Solution Strategy
  • Solid Mechanics Solver
  • Contact Mechanics Solver
  • Singlephase Flow Solver
  • Immiscible Multiphase Flow Solver
  • Compositional Multiphase Flow Solver
  • Compositional Multiphase Well Solver
  • Poromechanics Solver
  • Proppant Transport Solver
• Constitutive Models
  • Solid Models
  • Fluid Models
  • Relative Permeability Models
  • Capillary Pressure Models
  • Porosity models
  • Permeability models
  • Porous Solids
  • Temperature-dependent Solid Volumetric Heat Capacity Model
  • Temperature-dependent Thermal Conductivity Model
• Constitutive Drivers
  • PVT Driver
  • XML Element: PVTDriver
  • Triaxial Driver
  • XML Element: TriaxialDriver
• Initial and Boundary Conditions
  • Hydrostatic Equilibrium Initial Condition
  • Aquifer Boundary Condition
• Event Management
  • Event Execution Rules
  • Event Manager Configuration
  • Other Event Features
• Tasks Manager
  • Tasks Manager Configuration
• Functions
  • Function Inputs and Application
  • Function Types
• Poromechanical Models Intialization
  • Model Initialization: Hydrostatic and Mechanical Equilibrium
  • Model Initialization: User Defined Tables
• Linear Solvers
  • Introduction
  • Direct methods
  • Iterative methods
  • Summary
  • Preconditioner descriptions
  • HYPRE MGR Preconditioner
  • Block preconditioner
  • Adaptive tolerance
• Numerical Methods
• XML Element: NumericalMethods
  • Finite Element Discretization
  • Finite Volume Discretization
• Parallel Partitioning
  • Partition and ghosting : simple examples
  • Specifying partitioning pattern
  • Ghost ranks
  • Considerations for visualization
• Outputs
  • Defining an output
  • Triggering the outputs
  • Visualisation of the outputs
• pygeosx — GEOS in Python
  • Module Functions
  • GEOS State
  • Module Classes
  • Segmentation Faults
• Indices and tables