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RELEASE_NOTES.md

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Version v0.2.0 -- Release date 2020-06-20

  • Extensive updates to Data Repository
  • Discretization
    • Finite element interface
      • Kernel launching interface looping abstraction
      • Element formulations for 1st order:
        • 8-node hexahedron
        • 6-node wedge
        • 5-node pyramid
        • 4-node tetrahedron
    • Cell-centered Finite Volume method with Two-point Flux Approximation (TPFA)
    • Hybrid Finite Volume method with TPFA and quasi-TPFA inner products
  • Physics Solvers
    • Solid mechanics explicit on GPU, implicit assembly on GPU
    • Single-phase flow (assembly on GPU)
      • Classical FVM and Hybrid FVM formulations
      • Porous matrix and DFM fracture flow
    • Compositional multiphase flow (assembly on GPU)
      • Fully implicit isothermal overall composition formulation
      • Fluid constitutive models:
        • Equation-of-state hydrocarbon compositional
        • Three-phase extended black-oil
        • Two-phase CO2-brine
    • Multi-segmented wells for single phase and compositional multiphase flow (assembly on GPU)
    • Surface Generation
      • Topology change (legacy GEOS approach)
  • Embedded Discrete Fractures
    • Enriched finite element method for the discretization of the mechanics
    • Piecewise constant displacement jump enrichment
    • Hydrofracture solver (legacy GEOS approach)
    • Small strain aligned contact using Lagrange multipliers
      • Discrete fracture model using a low-order stabilized mixed finite element method
    • Proppant Transport Solver
      • FVM formulation
      • Major physical processes modeled:
        • Proppant-fluid slurry flow and multicomponent transport in fractures
        • Proppant gravitational settling
        • Proppant bed build-up and development space
  • Mesh Structure
    • Introduced the concept of extrinsic mesh data
    • Fracture elements to represent FV cells in fractures
  • VTK output
  • Linear algebra interface layers for Hypre, Trilinos, Petsc
    • Common interface for supported linear algebra packages
    • Krylov solvers (CG, GMRES, BiCGSTAB)
    • Preconditioners (algebraic multigrid, incomplete factorizations)
    • Block matrix and vector support
    • Serial and parallel direct solvers

Version v0.1.0 -- Release date 2018-02-15

Initial Code Release containing:

  • Data Repository
    • Group
    • Wrapper
    • Input processing
  • Physics solver hierarchy
    • Solid Mechanics
  • Mesh data structure
    • NodeManager, EdgeManager, FaceManager, ElementManager
    • Silo Output