|
| 1 | +**Feature or improvement description** |
| 2 | +Pull request to merge `dev` into `main` for release version 4.2.1 |
| 3 | + |
| 4 | +See the milestone and project pages for additional information |
| 5 | + |
| 6 | + https://github.com/OpenFAST/openfast/milestone/27 |
| 7 | + |
| 8 | +No test results change |
| 9 | + |
| 10 | +### Release checklist: |
| 11 | +- [ ] Update the documentation version in docs/conf.py |
| 12 | +- [ ] Update the versions in docs/source/user/api\_change.rst |
| 13 | +- [ ] Update version info in openfast\_io/pyproject.toml (`openfast_io` package) |
| 14 | +- [ ] Update version info in glue-codes/python/pyproject.toml (`pyOpenFAST` package for testing) |
| 15 | +- [ ] Verify readthedocs builds correctly |
| 16 | +- [ ] Create an annotated tag in OpenFAST during merge (mark as most recent if necessary) |
| 17 | +- [ ] Create a merge commit in r-test and add a corresponding annotated tag |
| 18 | +- [ ] Upload Docker image |
| 19 | +- [ ] Compile executables for Windows builds |
| 20 | + - [ ] `AeroDisk_Driver_x64.exe` |
| 21 | + - [ ] `AeroDyn_Driver_x64.exe` |
| 22 | + - [ ] `AeroDyn_Driver_x64_OpenMP.exe` |
| 23 | + - [ ] `AeroDyn_Inflow_c_binding_x64.dll` |
| 24 | + - [ ] `AeroDyn_Inflow_c_binding_x64_OpenMP.dll` |
| 25 | + - [ ] `BeamDyn_Driver_x64.exe` |
| 26 | + - [ ] `DISCON.dll (x64)` |
| 27 | + - [ ] `DISCON_ITIBarge.dll (x64)` |
| 28 | + - [ ] `DISCON_OC3Hywind.dll (x64)` |
| 29 | + - [ ] `FAST.Farm_x64.exe` |
| 30 | + - [ ] `FAST.Farm_x64_OMP.exe` |
| 31 | + - [ ] `FAST_SFunc.mexw64` |
| 32 | + - [ ] `HydroDynDriver_x64.exe` |
| 33 | + - [ ] `HydroDyn_C_Binding_x64.dll` |
| 34 | + - [ ] `IinflowWind_c_binding_x64.dll` |
| 35 | + - [ ] `InflowWind_Driver_x64.exe` |
| 36 | + - [ ] `InflowWind_Driver_x64_OpenMP.exe` |
| 37 | + - [ ] `MoorDyn_Driver_x64.exe` |
| 38 | + - [ ] `MoorDyn_c_binding_x64.dll` |
| 39 | + - [ ] `OpenFAST-Simulink_x64.dll` |
| 40 | + - [ ] `openfast_x64.exe` |
| 41 | + - [ ] `SeaStateDriver_x64.exe` |
| 42 | + - [ ] `SeaState_c_binding_x64.dll` |
| 43 | + - [ ] `SimpleElastoDyn_x64.exe` |
| 44 | + - [ ] `SubDyn_x64.exe` |
| 45 | + - [ ] `Turbsim_x64.exe` |
| 46 | + - [ ] `UnsteadyAero_x64.exe` |
| 47 | + |
| 48 | + |
| 49 | + |
| 50 | +# Release Overview |
| 51 | +------------------ |
| 52 | + |
| 53 | + |
| 54 | + |
| 55 | +### Contribution Acknowledgements |
| 56 | + |
| 57 | +We are grateful for a first time code contributions from @IrisMeasure. |
| 58 | + |
| 59 | + |
| 60 | + |
| 61 | +# Changelog (from 4.2.1) |
| 62 | +------------------------ |
| 63 | + |
| 64 | + |
| 65 | +## Solvers |
| 66 | + |
| 67 | +### OpenFAST |
| 68 | + |
| 69 | +#3243 Add high res windslice at `T=t_low - DT_high` (Fix for FAST.Farm issue #3183) (@andrew-platt) |
| 70 | + |
| 71 | + |
| 72 | + |
| 73 | +## Modules |
| 74 | + |
| 75 | +## AeroDyn |
| 76 | + |
| 77 | +#### AeroDyn Driver / AeroDyn\_Inflow\_C\_Bindings interface |
| 78 | + |
| 79 | +#3214 [BugFix] ADI c-bind: comment out code that causes segfaults with interface debugging (@andrew-platt) |
| 80 | + |
| 81 | +#3227 [BugFix] AD: DTAero from input file was ignored (@andrew-platt) |
| 82 | + |
| 83 | +#3230 [BugFix] AD driver: hub acceleration value incorrect in RotMotionType==1 (@andrew-platt) |
| 84 | + |
| 85 | + |
| 86 | +### NWTC-Library |
| 87 | + |
| 88 | +#3123 Switch from xPPTRF to xPOTRF to improve TurbSim speed on macOS (@IrisMeasure) |
| 89 | + |
| 90 | +#3229 Re-add the xPPTRF routines (rename xPOTRF routines from #3123) (@andrew-platt) |
| 91 | + |
| 92 | + |
| 93 | +### SeaState |
| 94 | + |
| 95 | +#3235 backport of #3231 - SS WaveTp logic (@andrew-platt, @RBergua) |
| 96 | + |
| 97 | +#3236 Add SeaSt\_C\_GetFluidDynP routine to SeaState\_C\_Binding interface (@andrew-platt) |
| 98 | + |
| 99 | + |
| 100 | +### TurbSim |
| 101 | + |
| 102 | +#3224 Fix TurbSim compile with OpenMP and IFX compiler (@deslaughter) |
| 103 | + |
| 104 | + |
| 105 | + |
| 106 | +## Testing and input file processing |
| 107 | + |
| 108 | +### Regression and Unit testing |
| 109 | + |
| 110 | +#3228 regtest: check if destination dirs exist before copyTree call (@andrew-platt) |
| 111 | + |
| 112 | + |
| 113 | + |
| 114 | +## Input file changes |
| 115 | + |
| 116 | +No input file changes since v4.2.0 |
| 117 | + |
| 118 | + |
| 119 | +## Known issues |
| 120 | +There are several issues that have not been addressed in this release due to time constraints, but will be addressed in future releases. These include: |
| 121 | + |
| 122 | +- No visualization of rectangular members from _HydroDyn_ or _SubDyn_ through the VTK output options |
| 123 | +- Missing and broken features from several c-binding library interfaces: |
| 124 | + - the _AeroDyn\_Inflow\_c-binding_ library interface does not allow for coupling to the tower. This will require an interface update. |
| 125 | + - the _HydroDyn\_c-binding_ library interface does not currently support vizualization. This will require an interface update. |
| 126 | + - the `InitNodePositions` input to _HydroDyn\_c-binding_ library interface does not currently work with any non-zero `x` or `y` coordinates (non-zero `z` is ok) |
| 127 | + - the _MoorDyn\_c-binding_ library interface does not currently support vizualization. This will require an interface update. |
| 128 | +- Documentation on the new _pyOpenFAST_ module is incomplete. Partial documentation exists on how to use it in regression testing, but no documentation or examples exist on using it to call c-bindings modules from Python. |
| 129 | +- Documentation is incomplete for _HydroDyn_, _SubDyn_, and a few other modules. |
| 130 | + |
| 131 | + |
| 132 | +# Precompiled Windows Binaries |
| 133 | +The binary files in this release were built with the Visual Studio solution files distributed with OpenFAST (not using cmake), using |
| 134 | + |
| 135 | +- Intel Fortran Essentials 2025.3.0.333 |
| 136 | +- Microsoft Visual Studio 2022 Version 17.14.23. |
| 137 | +- MATLAB 2025.2.999 (R2025b) |
| 138 | +- Executables with `_OpenMP` or `_OMP` in the name are built with OpenMP libraries and linked with dynamic libraries. |
| 139 | + - You will need [this Intel Fortran redistributable package](https://registrationcenter-download.intel.com/akdlm/IRC_NAS/0dc56e76-d2c0-4bb8-9c83-c2ee3952b855/w_ifx_runtime_p_2025.2.1.1001.exe) installed to use these executables if you do not already have Intel Fortran OneAPI 2024 installed. See the installation instructions [here](https://software.intel.com/content/www/us/en/develop/articles/redistributable-libraries-for-intel-c-and-fortran-2022-compilers-for-windows.html). |
| 140 | + |
| 141 | +**The other OpenFAST executables DO NOT require these redistributable libraries to be installed. Instead, they were built with static libraries.** |
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