Overview of v3.5.1

This release primarily contains bugfixes, and a very small handful of new minor features. No input files are changed from release https://github.com/OpenFAST/openfast/releases/tag/v3.5.0

New features

Visualization of HydroDyn Morison meshes and MoorDyn mooring lines and rods is now possible in both line and surface rendering.

Bugfixes

There are numerous bug fixes in several modules. See below for details.

#Input File changes

No input file formats change.

Changelog

General

Build systems

#1586 CMake: Remove openfast_cpp target if BUILD_OPENFAST_CPP_API not selected #1647 Fix adding OpenMP flags to CMAKE_Fortran_FLAGS (@deslaughter) #1818 VS-build updates for rc-3.5.1 and other minor updates. Includes truing up some Types files.

Documentation

#1788 Readthedocs configuration changes

Solvers

FAST.Farm

#1648 Fix bug with Mod_AmbWind=3 -- hub point wasn't shifted.

Module changes

AeroDyn

#1657 AD Driver: stack size for 64 bit solutions (see #1260) (@ebranlard) #1658 AD/TailFin: Bug Fix: remove chord in fy (see #1653) (@ebranlard) #1659 AD: Adding rtest for TailFin polar-based model (@ebranlard) #1679 AD: nodal outputs in different coordinate systems (new feature) (@ebranlard) #1700 Remove deleted variables BlFB and BlMB from AeroDyn_AllBldNdOuts_IO (@hkross)

BeamDyn

#1771 Change BD states to follow the blade root reference frame. Small performance improvements around azimuth=180. (@deslaughter) #1796 Resolve BeamDyn initial strain for rotated blade. Backport of #1663 (@deslaughter)

ElastoDyn

#1654 fix segfault when BldNd_BladesOut==0 (Also for AeroDyn)

HydroDyn

#1621 [BugFix] HD wave visualization with 2nd order waves #1780 [BugFix] AddF0 for multiple potential-flow bodies with NBodyMod/=0 (backport of #1776) (@luwang00) #1768 new feature: Visualization of HydroDyn Morison mesh (also MoorDyn lines) #1806 fixed some existing bugs with the strip-theory loads and updated the radiation convolution integral to 2nd order (@luwang00)

InflowWind

#1620 [BugFix] ServoDyn inputs for Lidar allocated twice, and a few other minor issues #1655 [BugFix] InflowWind was not setting InitOut MWS data. #1748 [BugFix] compute vel avg profile when exceed allowed (@ebranlard) #1759 [BugFix] InflowWind Flow Field fails to calculate AvgVel for large wind files when using Intel Compiler (@deslaughter) #1769 [BugFix] Add additional modulo in IfW_FlowField to correct error with exhausted field from Grid3D on long simulations (see #1746 and PR #1730) (@deslaughter)

MAP++

#1752 MAP++ linear spring approach improvement (@rbergua)

MoorDyn

#1768 MoorDyn line visualization (see HydroDyn above) #1727 MoorDyn updates and bug fixes (naming, catenary solve improvement, output channels, bugs with added mass, rods, and comment typos (@RyanDavies19) #1815 MoorDyn dynamic relaxation and fixed bodies (@RyanDavies19) #1816 Fixed drag coefficient scaling (@RyanDavies19)

NWTC-Library

#1731 Blade Pitch input to ElastoDyn drifts during solution if ServoDyn is not active (improvements to Extrap/Interp routines) (@deslaughter)

SubDyn

#1802 Increase SubDyn output to allow NMOutputs up to 99. Backport of features from dev (multiple commits) (@luwang00)

Regression tests

#1581, #1593 Update floating MHK case input files (@hkross) #1694 Improved linearization file comparison (@ebranlard) #1695 AD: adding linearization tests for aerodyn continuous-states model (@ebranlard) #1801 Add Mod_AmbWind=3 regression test to the CI (@MYMahfouz)

Input file changes

No input files change with this release, as this only includes minor bugfixes.

Full list of changes: https://openfast.readthedocs.io/en/main/source/user/api_change.html

Full input file sets: https://github.com/OpenFAST/r-test/tree/v3.5.1 (example input files from the regression testing)