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CHANGELOG.md

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Changelog

known issues

  1. The MKL includes outdated FEAST, the external names in FEAST library are modified to avoid linking error.
  2. The SPIKE solver may occasionally freeze, to circumvent, try to avoid mixing compilers from different vendors.
  3. The MUMPS solver throws segfaults with large matrices, appears to be quite slow.
  4. The FGMRES solver requires refinements.

version 3.6

  1. add AFCO1D material with strain memory #217
  2. update Catch2 to version 3.7.1
  3. add Subloading1D material #219
  4. add SubloadingMetal material #221
  5. add arm64 build

version 3.5

  1. add MaxForce constraint #204
  2. update Armadillo to version 14.0.2
  3. update OpenBLAS to version 0.3.28
  4. update Catch2 to version 3.7.0
  5. revise stiffness matrix formulation in shell elements #208
  6. add dev containers for easier DE setup

version 3.4

  1. update Armadillo to version 12.8.2 #193
  2. plane strain Duncan-Selig soil model #195
  3. update Catch2 to version 3.5.4
  4. update TBB to version 2021.12.0 #199
  5. update MUMPS to version 5.7.1 #202

version 3.3

  1. (breaking) revise syntax for ConcreteTsai, Concrete21 and Concrete22 using a more consistent definition
  2. fix tangent stiffness in ConcreteK4 model #171
  3. update OpenBLAS to version 0.3.25
  4. update SuperLU to version 6.0.1
  5. better RCM algorithm that may result in a smaller bandwidth, thus, potentially more efficient solving #175
  6. update Armadillo to version 12.6.7 #180
  7. enable lazy evaluation and avoid temporary global matrices, faster dynamic analysis #183
  8. bugfixes: #185
  9. update Catch2 to version 3.5.2
  10. update fmt to version 10.2.1
  11. add nonviscous damping: NonviscousNewmark (global level integrator), ElementalNonviscous (element level modifier) and Nonviscous01 (material level model)

version 3.2

  1. revise uniaxial universal damage models #153
  2. update OpenBLAS to version 0.3.24
  3. add a new uniaxial concrete model ConcreteK4 #155
  4. add beam element for arbitrary thin-/thick-walled open/close section with torsion and warping B31OS #159
  5. better local iteration convergence criterion #161
  6. B31OS and EB31OS associated transformations B3DOSL, B3DOSC; sections, Fibre3DOS, Cell3DOS; material wrappers OS146, OS146S
  7. add elemental damping using Lee's model
  8. support Lode angle in CDPM2 #163
  9. add AICN cubic Newton solver #165
  10. remove Bilinear2D material, use PlaneStress/PlaneStrain wrapper and BilinearJ2 3D model instead

version 3.1

  1. iterative solvers by the Lis library #145
  2. update Armadillo to version 12.6.3 #149
  3. add TimberPD 3D material for timber #151

version 3.0

  1. add experimental MAGMA based GPU sparse solver #123
  2. add nonlinear transformation for shell elements #124
  3. update VTK to version 9.2.6
  4. add CustomNodeGroup #126
  5. add TranslationConnector #127
  6. add CustomAmplitude #129
  7. update Armadillo to version 12.2 #134
  8. add AsymmElastic1D #135
  9. update TBB to version 2021.9.0
  10. update MUMPS to version 5.6.0

version 2.9

  1. matrix optimisation
  2. update Catch2 to version 3.3.1
  3. update TBB to version 2021.8.0
  4. add mixed precision algorithm for MUMPS solver #119
  5. add CustomDegradation, CustomGurson and CustomGurson1D models
  6. update Armadillo to version 12.0 #121

version 2.8

  1. better on screen display with the fmt library #99
  2. add command overview
  3. update OpenBLAS to version 0.3.21
  4. add Euler buckling load check for T2D2 #104
  5. speed-up analysis with visualisation recorder #102
  6. update VTK to version 9.2.5
  7. add Expression to support custom function definition #105
  8. add CustomMises1D, CustomCC, CustomCDP, CustomDP, CustomJ2 and CustomHoffman models

version 2.7

  1. optimise assembling of symmetric global matrices #79
  2. extend BatheTwoStep to allow customisation of spectral radius #81 and sub-step size #82
  3. update Catch2 to version 2.13.10
  4. update Armadillo to version 11.4
  5. update modern Arpack #94
  6. add Tchamwa #88, BatheExplicit #90 and GeneralisedAlphaExplicit #93 explicit time integration methods
  7. add OALTS two-step implicit time integration method #92
  8. add Sinh1D and Tanh1D nonlinear elastic 1D material
  9. add linear_system flag to speed up linear system analysis

version 2.6.1

  1. add -nu (--noupdate) flag to skip check of new version on startup
  2. fix issue #74

version 2.6

  1. update MKL to version 2022.2.0
  2. update TBB to version 2021.7.0
  3. update VTK to version 9.2.2
  4. add docker images and docker build scripts
  5. add TabularSpline amplitude that uses cubic spline interpolation
  6. add upsampling command to upsample time series data
  7. add sdof_response command to compute response of single degree of freedom system
  8. add response_spectrum command to compute response spectrum for given ground motion

version 2.5

  1. reformulate NM sections, add NMB21E element with end moment release
  2. add couple stress membranes CST3, CST6, CSM4-8
  3. add universal iterative solvers BiCGSTAB and GMRES, and preconditioners Jacobi and ILU
  4. add support for icx and ifx compilers, add support for clang on linux
  5. fix a bug in GSSSS with loads are applied as support motions, add GSSSSOptimal scheme
  6. add MassPoint2D and MassPoint3D elements

version 2.4

  1. add RestitutionWall constraint which conserves momentum and energy
  2. add benchmark command to benchmark platform
  3. constraints and loads are processed in a fully parallelized manner
  4. add 3D viscous damper Damper03 and Damper04
  5. bugfixes

version 2.3

  1. update Armadillo to version 11.0
  2. relocate history record file under home folder
  3. add GSSSS integrator
  4. LeeNewmark now supports PARDISO, CUDA and FGMRES solvers
  5. move to C++20, need GCC 10.3.0, Clang 13.0.1, MSVC 14.31
  6. add MOMENTUM to record system momentum
  7. use non-iterative algorithm for force based beams F21, F21H and F31

version 2.2

  1. add example command to showcase the creation of a simple model
  2. update VTK to version 9.1.0
  3. add LogicAND, LogicOR and LogicXOR convergers to use multiple criteria
  4. update oneMKL to 2022.0.3 on Windows
  5. move to VS2022

version 2.1

  1. update Armadillo to version 10.8
  2. add recorder tag to recorded files, remove timestamp for hdf5 files, easier to manage different recorders
  3. several minor bugfixes
  4. improve LeeNewmark and LeeNewmarkFull performance
  5. correct multithreaded SuperLU implementation, change default number of threads to 10
  6. bugfixes regarding sparse matrix representation

version 2.0

  1. fix a bug in elastic stiffness in CDP model
  2. add porous media plane strain elements PCPE4UC, PCPE8UC, PCPE4DC, PCPE8DC
  3. add N-M interaction enabled beam element NMB31 and NMB21
  4. add N-M interaction enabled section NM2D1, NM3D1 (elastic) and NM2D2, NM3D2 (inelastic)
  5. (breaking) change Rayleigh damping related syntax to include tangent stiffness term
  6. add different stiffness types to LeeNewmarkFull, add support of geometry nonlinearity
  7. revise section definition
  8. add B3DC corotational formulation support to 3D beams

version 1.9

  1. update Armadillo to version 10.7
  2. update TBB version 2021.4.0
  3. add FGMRES iterative solver
  4. switch to core20 on snap
  5. fix the visualisation bug with installation via snap
  6. add LineUDL2D and LineUDL3D loads

version 1.8

  1. add PlaneSymmetric13 and PlaneSymmetric23 wrappers
  2. add CoulombFriction material
  3. update Armadillo to version 10.6

version 1.7

  1. revise SimpleSand model
  2. add DafaliasManzari sand model
  3. add materialtestbystrainhistory and materialtestbystresshistory utility functions
  4. bugfix: potential racing in initialising reference dof, change to serial initialisation
  5. bugfix: wrong update of plastic strain in CDP model
  6. add CDPM2 model with isotropic damage

version 1.6

  1. add terminal command and output_folder setting
  2. some minor updates

version 1.5

  1. add scoop support
  2. add Contact3D 3D node-triangular facet contact element
  3. add NodeLine and NodeFacet contact constraint
  4. add Sleeve2D, Sleeve3D, MaxGap2D and MaxGap3D constraint
  5. update OpenBLAS to version 0.3.15
  6. update Material class to accommodate couple stress related quantities

version 1.4

  1. add R2D2 and R3D2 alias for fixed length constraint
  2. add MinGap2D and MinGap3D inequality constraints
  3. add SupportMotion loads, including SupportDisplacement, SupportVelocity and SupportAcceleration
  4. update Armadillo to version 10.4
  5. add functionality to check new version
  6. add FEAST solver
  7. improve mixed precision solver performance
  8. add CUDA solver for dense matrix

version 1.3

  1. update handling of constraints and loads
  2. store commands in backup file in CLI mode
  3. add FixedLength2D and FixedLength3D nonlinear constraints
  4. improve handling of constraints in dynamic analysis
  5. add NLE1D01 model
  6. minor bugfixes

version 1.2

  1. remove dependency on MAGMA, now CUDA is directly used as the GPU solver
  2. add PARDISO sparse solver
  3. upgrade to Intel oneAPI Toolkit
  4. add C interface material model
  5. remove all reinforced elements, reinforcement can be handled by material models

version 1.1

  1. add phase field enabled elements: DCP3, DCP4, DC3D4, DC3D8 elements
  2. add support to record nodal damping/inertial force DF and IF
  3. add regularized Yeoh model for compressible rubbers
  4. improve stability of RambergOsgood model
  5. add LeeNewmarkFull damping model, improve performance of LeeNewmark damping model
  6. add shared memory SuperLU solver
  7. add Spike solver for banded matrices
  8. add displacement based beam element with end moment release: B21EL and B21EH elements
  9. correct name of Kelvin model

version 1.0

  1. initial release