Kratos Multiphysics 9.0

Features

• Distribution:

  • Kratos is now distributed and installed through python packages. Please refer to the wiki for more info.
  • Kratos now supports being installed with popular python modules (numpy, scipy etc...)

• Features:

  • Core:

    • ParallelUtilities can now handle exceptions in parallel regions
    • Linear and Quadratic pyramid geometries are added

  • CoSimulationApplication:

    • Support for coupling to external solvers in MPI through CoSimIO
    • In MPI is is now possible to have solvers run with less MPI processes or in serial

  • MappingApplication:

    • Support for mapping non-historical variables was added
    • Searching was improved and is much faster now

  • MultilevelMonteCarloApplication

    • Hierarchical Monte Carlo methods support MPI parallelism

  • ExaquteSandboxApplication

    • Added initial condition process (it supports MPI parallelism)
    • Added wind generator process to generate steady-state and turbulent wind inlet (it supports MPI parallelism)
    • Added process to compute simultaneously drag force and base moment

Kratos Multiphysics 8.1

• Python2 support is dropped. Minimal version of python necessary: 3.5

• Added MLMC and Exaqute Last Developments

Kratos Multiphysics 8.0

Features

• Added GlobalPointer
• FEAST with MKL support was added to the EigenSolversApplication #6482

Improvements

• Neighbour and Element nodes use now GlobalPointers
• Applications are now imported as python modules.
• PARTITION_INDEX is now an int (was double) #6771
• GlobalNumberOf... functions added to Communicator #6747

MultiLevelMonteCarlo

• MultilevelMonteCarloApplication has been integrated with Hierarchical Monte Carlo library XMC.
• MultilevelMonteCarloApplication is capable of running Monte Carlo, Multilevel Monte Carlo and Continuation Multilevel Monte Carlo algorithms in distributed environment with optimal parallel efficiency.

API Changes

• GetValuesOnIntegrationPoints has been removed in favor of CalculateValuesOnIntegrationPoints
• find_nodal_neighbours_process no longer accepts the number of expected results.
• Access function in the core are now const. Please refer to #2993, #4938 and #5290 for more info.
• Variable copy constructor is now explicit and private.

Deprecations

• ExternalSolversApplication has been deprecated in favor of EigenSolversApplication (which will become the LinearSolversApplication in the future.
• NOT_FLAG flags are removed from Kratos. Temporal FLAG.AsFalse() has been added for compatibility.
• MixedUPLinearSolver and DeflatedGMRESSolver have been removed.
• Builder and solver now takes the Main modelpart as default. (was ComputingModelPart previously)

Notes

• Please notice that this will be the last version with python 2 support

Release 7.1

• Added Intrusive Pointers
• Added Subproperties
• Applications and core now follow a standard python module structure.
• Added capacity to generate python Wheels for core and Applications

Exaqute M12 v7.0.2

This release contains the developments done in Kratos Multiphysics for the M12 of the Exaqute Project

v7.0:

• MultiLevel Monte Carlo
• Adjoint-based error estimation

v7.0.1

• Corrected bug in element fixation

v7.0.2

• Correted a bug in the coarse switch

Exaqute M12

This release contains the developments done in Kratos Multiphysics for the M12 of the Exaqute Project

• MultiLevel Monte Carlo
• Adjoint-based error estimation

Kratos Multiphysics 7.0

Core Changes

Features

• New Model class has been added which stores all model parts #2417 #3211 #3730 #3835
• Adding HasNodalSolutionStepVariable to ModelPart #2298
• Exposing geometry of Elements/Conditions in python #2969
• Adding merge to data value container #3134
• Added new File and Stream Serializers #3233

Improvements

• Adding large amount of tests in c++ and python
• AnalysisStage improvments #2135
• Several improvements in geometries #2355 #2386 #3105 #3621 #3531 #3796
• Enhancing constraints #2967 #2897 #2896
• Fixing norm in residual criteria #2976
• Improving error messages #2095
• Improving nodal data checks #2091
• Reducing use of boost classes #2162 #2189 #2676 #2675 #2987

Api Changes

• ModelPart no longer has a default constructor and must be created through the model #2417 #3835
• Many methods in the core are now marked as explicit #2542 #2527 #3602
• Python level mpi-collectives now are now divided into int and float variants #3051
• Mapping Application has been rewritten #3108
• pGetDof is now a const method that returns a const iterator #3122
• AreaNormal function has been renamed to Normal #3123
• AdjointFluid Application has been removed and its functionality has been ported to FluidDynamics #3153
• DEM Application strategies now require a new Parameters argument to acomodate CUDA #3172
• Many methods in the DEMApplication python api are now private #3832
• mpi_communicator now uses the new Stream Serializer #3233
• UpdateTimeInModelParts now has a new bool parameter to toggle the print #3298
• FluidDynamic Application embedded solvers have been unified under a common API #3303
• Mpi flags behavior has been normalized and deprecated functions removed #3347
• CustomResponse function now requires a ModelPart #3541

Deprecations

• line_2d.h #2076
• Old-style methods of the constitutive law #3420
• WorkingSpaceDimension method from conditions and elements #2997

Kratos Multiphysics 7.0 Beta 1

Core

• Added Model entity to manipulate modelparts

Kratos Multiphysics 6.0

• Fixed Problems in ConstituveModelsApplication(#2249)
• Fixed Problems in FluidDynamicsApplication (#2243, #2254)
• Fixed Problrms in StructuralMechanicsApplication(#2235)
• Fixed Problems in SolidlMechanicsApplication(#2227, #2249)
• Fixed Problems in ConvectionDiffusionApplication(#2224, #2250)
• Fixed Missing include in the core (#2242)
• Fixed Problems in the application generator (#2228)

Kratos Multiphysics 5.3

Core

• Fixed node order while writing Line elements

Structural Mechanics Application

• Added process for Eigenvalue Postprocessing Visualization
• Added force/Moment output for Beams and Trusses
• Added initial support for beam-hinges
• Added new constitutive law for J2 plasticity in 3D and Plane Strain 2D geometries
• Added new small strain B-bar element for hexahedral and quadrilateral geometries

Solid Mechancis Application

• Old result files are now cleaned
• Constitutive law corrections for shells
• Corrections in beams

Fluid Mechanics Application

• Clean up and rewrite of the monolithic fluid element to unify the body-fitted and embedded formulations.
• The new monolithic element now supports quadrilateral and tetrahedral geometries, as well as non-Newtonian constitutive relations through the use of a ConstitutiveLaw.
• New utility to compute the forces over arbitrary objects (DragUtility) both for body-fitted and embedded problems.
• Corrections in ausas 2D conditions tests
• Corrections in body-fitted drag computation

Poromechanics Application

• The internal variable for the damage model is only updated at the end of the step
• Small bug fixes