FEATool Multiphysics Version 1.14.0 Build 21.04.109

Author: precsim

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+*.html linguist-detectable=false
+*.js   linguist-detectable=false
+*.md   linguist-detectable=false
+*.xml  linguist-detectable=false

CHANGELOG.md

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+ FEATool Multiphysics Changelog
+================================
+
+
+2021-04-19 version 1.14
+-----------------------
+
+- Release license menu option to move license to a new computer system
+- Raw STL import and Gmsh meshing option for difficult STL geometries
+- Solver restart options using partial solution vectors
+- Coupled OpenFOAM and FEATool Multiphysics multi-solver simulation model
+- Improved and optimized treatment of slip boundary conditions
+
+
+2021-03-13 version 1.13.3
+-------------------------
+
+- Updated OpenFOAM and SU2 interfaces to support parallel computations
+- Added OpenFOAM binary GUI option to support user defined FOAM solvers
+- Added support for ESI-OpenCFD native Windows OpenFOAM distribution
+
+
+2021-03-10 version 1.13.2
+-------------------------
+
+- Updated FEniCS interface with full support for parallel computations
+- Change to binary hdf5 format for FEniCS mesh and solution data
+- New impexp_hdf5 and fenics_import utility functions
+- Added point/edge/integral source and constraint buttons
+  to the subdomain/boundary modes toolbars
+
+
+2021-02-17 version 1.13.1
+-------------------------
+
+- Fixes for mesh generation of point objects
+- Updated OpenCASCADE geometry kernel to v7.5.1
+- Updated SU2 Code CFD solver to v7.1.0
+- Select UMFPACK instead of MUMPS as default linear solver
+  for MATLAB 2020a and later due to Mex file incompatibilities
+
+
+2020-10-20 version 1.13
+-----------------------
+
+- New 3D CAD geometry modeling functionality
+  - Chamfer (bevel edges)
+  - Fillet (round edges)
+  - Extrude/Revolve faces to solids
+  - Loft faces
+  - Split objects by cutline/cutplane
+  - Sketching in 2D Workplanes
+- Support for user defined solver monitor functions
+- View, edit, and modify OpenFOAM case and dictionary files
+
+
+2020-07-01 version 1.12.4
+-------------------------
+
+- Improved GEOMTool geometry engine with planar 2D support,
+  faster and more robust geometry decomposition/analysis
+  - Added chamfer and fillet geometry operations
+  - Added split geometry object by cutplane/cutline
+- Algrebraic Multigrid (AMG) linear solver option
+
+
+2020-05-29 version 1.12.3
+-------------------------
+
+- Support for boundary and subdomain integral constraints
+- Generalized slice plot postprocessing option
+- Gradient reconstruction for evaluation of first order derivatives
+- Animation of multiple time steps/solutions postprocessing option
+- Streamline plot option
+- Updated postprocessing dialog box GUI
+- Improved OpenFOAM and SU2 discretization scheme options
+
+
+2020-04-22 version 1.12.2
+-------------------------
+
+- Support for multiple imported CAD geometries
+- Improved Gmsh import
+- OpenFOAM and SU2 support for pressure inlet boundary conditions
+- Added arrow plot scaling option
+- Added solver settings GUI option for numerical integration order
+
+
+2020-04-09 version 1.12.1
+-------------------------
+
+- Full support for FEniCS external solver
+  - Supports conversion of most FEATool models
+    to FEniCS Python simulation scripts
+  - Time dependent and nonstationary problems
+  - Nonlinear and discontinuous coefficients
+- Improved postprocessing and visualization
+  - Faster and more efficient 3D graphics
+  - GUI support for more colors and colormaps,
+    titles, and plot configurations
+- GUI functionality to view partial grids
+- Faster GUI command/terminal output speed
+- Improved and more accurate Robin boundary condition treatment
+- Faster expression evaluation via nodal interpolation
+- New electrostatics micro strip capacitance tutorial
+
+
+2020-02-23 version 1.12
+-----------------------
+
+- New SU2 CFD solver with built-in GUI and CLI interfaces
+- Built-in algebraic turbulence model for Navier-Stokes physics mode
+- Support for several OpenFOAM turbulence model variants
+  (Spalart-Allmaras, k-epsilon (RNG and realizable), and k-omega (SST))
+- New BREP based 3D CAD engine with support for BREP, IGES, OBJ,
+  STEP, and STL CAD format import, export, and conversion
+- Support for 2D boundary layers in Gmsh
+
+
+2019-10-14 version 1.11.1
+-------------------------
+
+- Support for IGES and STEP CAD file import
+- Improved feature and boundary recognition for STL CAD file import
+- Geometry and grid export to web browser
+- Support for parsing space derivatives in time equation coefficients
+
+
+2019-08-01 version 1.11
+-----------------------
+
+- Dedicated and improved treatment of internal/interior boundaries
+- Fluid-structure interaction physics mode and solver
+- MUMPS and iterative (GMRES and BiCGStab with ILU(k)) linear solvers
+- Support for Gmsh v3/4 GEO file format geometry import and export
+- New polyhedron, ellipsoid, cone, and torus geometry object primitives
+- Support for external BRL-CAD and OpenCASCADE (Gmsh) geometry engines
+- New examples and tutuorials for thermo-mechanical couplings,
+  fluid-structure interaction, and non-Newtonian flow
+- Added P1/P2 bubble, Nedelec curl, and Raviart-Thomas vector
+  finite element shape functions
+
+
+2019-04-15 version 1.10
+-----------------------
+
+- Finite element GUI script (fes) file format and built-in tutorials
+- Support for edge constraints in 3D
+- Support multiple STL sections and files during STL CAD file import
+- Eigenvalue solver
+- Functionality to make geometry object copies
+- Deformation postprocessing plot option
+- Support for spaces in paths/filenames in external grid generator
+- Improved evaluation of expressions in grid points
+- GUI improvements
+
+
+2018-11-30 version 1.9
+----------------------
+
+- New compressible Euler equations physics mode
+  (inviscid compressible flows)
+- New swirl flow physics mode (axisymmetric non-zero
+  azimuthal velocity)
+- OpenFOAM CFD solver integration improvements
+  - Support for general expressions (non-constant)
+    in initial and boundary conditions
+  - Support axisymmetry and swirl flows
+  - Support for inviscid compressible flows
+  - Improved k-epsilon/omega turbulence model interface
+  - Realtime convergence curves plots
+- NACA 4-series pre-defined wing geometry object
+- Potential flow velocity field initialization
+- Improved resolution of curved geometry boundaries
+- Improved parametrization and meshing of curved boundaries
+- Automatic shock capturing and stabilization for
+  convection dominated flow regimes
+- Support for first order P1P1 discretization and
+  stabilization of flow problems
+- Extended backwards compatibility to MATLAB 2009b
+- Click and point evaluation for 2D surface plots
+- Added built-in GUI tutorials and model examples
+
+
+2018-05-17 version 1.8
+----------------------
+
+- GUI and CLI support for the external OpenFOAM CFD solver
+- New CSG BSP tree based geometry engine
+  The new geometry engine is used by default but original
+  engine may be enabled with a set_geomlib(1) function call
+- STL CAD geometry import and export support in 3D and 2D
+- Cleaned up and consistent grid generation interfaces
+  (identical boundary and subdomain numbering)
+- Cached equation and expression parsing for faster evaluations
+- Revised nonlinear Newton assembly and solver framework
+  with automatic numeric Jacobian assembly calculation
+
+
+2018-01-08 version 1.7.1
+------------------------
+
+- Built-in support for the external mesh generators Gmsh and Triangle
+- Improved Gmsh grid import/export functionality with support for
+  boundary information
+- Redesigned and simplified grid mode toolbar
+- GUI stability improvements and fixes
+- GUI geometry export in Gmsh geo and Triangle poly formats
+- gridextrude: support for extrusion of unstructured triangular
+  simplex grids
+- Swirl flow and periodic model examples
+- Improved sparse matrix modification performance for Dirichlet
+  boundary conditions and non-participating dependent variables
+- Social sharing of postprocessing images and results
+
+
+2017-08-10 version 1.7
+----------------------
+
+- FEniCS solve mode integration
+- Plotly post mode integration
+- Import/export of Dolfin XML grid format
+- New physics modes:
+  - Darcy's Law
+  - Brinkman Equations
+  - Electrostatics
+  - Euler-Bernoulli Beam
+  - Magnetostatics
+- Built-in support for axisymmetry
+- Solver support for active/inactive dependent variables
+  in different subdomains and boundary couplings
+- Added function to reconstruct inner boundaries
+- Explicit construction of geometry object
+  distance functions
+- Support for 2nd order derivatives
+  and equation definitions
+- Parsing of groups of derivatives in parentheses
+- New models and examples
+- Support arbitrary order quadrature rules for
+  all cell types and renamed cubrule* to quadrule*
+
+
+2017-01-23 version 1.6
+----------------------
+
+- Support for external CFD solvers
+- 3D fluid flow model examples using external CFD solvers
+- Automatic quadrilateral grid generation in 2D
+- Uniform grid refinement in 3D
+- Projection to geometrical boundaries for uniform
+  2D grid refinement and grid cell conversion
+- 3 new axisymmetric stress-strain model examples
+- New non-linear PDE models (in 1D and 2D ),
+  and one new 2D Laplace equation test model
+- 3rd-5th order Lagrange shape functions
+- Cubic Hermite shape functions in 1D and 2D
+- Support for tetrahedral quadrature up to order 5
+
+
+2016-06-07 version 1.5
+----------------------
+
+- Redesigned 3D geometry engine
+  - Calculates geometry boundary faces and edges for
+    more precision in 3D geometry and grid generation
+- 3D slice plot refactored and improved for new geometry engine
+- New conforming hex to tet grid conversion method (1 Hex -> 28 Tets)
+- GUI menu support for grid conversion and smoothing
+- Allow partial rings in ringgrid generation function
+- Generalized Navier-Stokes slip boundary conditions
+  (supports curved and non-axis aligned boundaries)
+- Allow external function calls for coefficients
+- Progress waitbars for grid generation and solvers
+
+
+2016-01-28 version 1.4
+----------------------
+
+- New physics mode features:
+  - Heat transfer natural convection and radiation boundary conditions
+  - Temperature stress-strain coupling in structural mechanics physics modes
+  - Artificial and (anisotropic) streamline diffusion for stabilization
+    of convection dominated high Re/Pe flows
+  - Slip boundary condition option for the Navier-Stokes equations
+- Grid import and export in Feat(Flow), GiD, GMV (General Mesh
+  Viewer), Gmsh, and Triangle formats
+- Define point sources and constraints
+- New postprocessing features:
+  - Data export in GMV (General Mesh Viewer) format
+  - Save and export plots to image files (jpeg, png, eps)
+  - Surface height plot option in two dimensions
+  - Max and min boundary and subdomain evaluation functions
+  - GUI option to evaluate general expressions on points and lines
+  - Set colorbar min and max limits
+  - Postprocessing plots show a title describing the plot
+- New models and examples
+- Solver, core, and grid generation fixes and enhancements
+
+
+2015-08-30 version 1.3
+----------------------
+- Improved 2D geometry engine (especially boundary assignment
+  and treatment of multiple geometry objects)
+- Fractional step-theta scheme and HRZ mass lumping for
+  time dependent problems
+- Newton option for nonlinear stationary problems
+- Optimized unstructured grid generation with better treatment
+  of multiple subdomains
+- Saving to m-script file
+- Postprocessing and visualization export to Plotly (web)
+- GUI option for model constants and expressions
+
+
+2015-03-03 version 1.2
+----------------------
+- Full 3D support
+- Implicit (distance/levelset function based) geometry modeling engine
+- Unstructured grid generation
+- Strong to weak equation formulation parser
+- Custom equation(s) physics mode
+- Extensibility, call to external grid, solver, and postprocessing supported
+- Optimized FEM assembly and transformation Jacobian calculation routines
+- Minor bug fixes
+
+
+2014-11-27 version 1.1
+----------------------
+- Minor bug fixes
+
+
+2014-05-17 version 1.0
+----------------------
+- Initial release
+
+
+2013-07-25 version 0.9
+----------------------
+- Preliminary version