Changelog

v2.6.0

  • Allow hub gaps in OH meshing by setting negative tip values

  • Scale blade thickness on chord/span/absolute value

  • Fix broken TS3 to TS4 conversion script on Wilkes

  • More TS4 configuration options and better restart settings

  • OH meshing data now saves correctly into the config file

  • Bug fix where incidence was calculated on uncambered blades

  • Additional TaylorQuadratic camber line setting metal angle directly instead of metal angle tangent

  • Fix sections were always stacked at LE irrespective of mstack value

v2.5.0

  • Allow scaling tip gap on chord, span, or absolute value

  • Implement trailing-edge cusps in ember

  • Print out area-averaged yplus in ember

  • Add post processing for inlet profile plot and streamtube loss breakdown

  • Bugfix for overly generous block equality

  • Speed improvement for matching patches

  • Add function to initialise a grid from TS3 hdf5

  • Low-level utility function for grid warping

  • Scripts to automate rebuilding the compiled Fortran code

  • Save config to iteration directories before running the solver

  • Split long Fortran routines into smaller subroutines

  • Write out metdata for TS3 probes into a yaml file

  • Allow per block overrides of block variables in TS3

  • Implement general unsteady inlet boundary condition

  • Functions for post-processing TS3 unsteady probes and wave separation

  • Much internal restructuring and tidying up

v2.4.0

  • Add exit throttling to ember solver

  • Allow profiling the code speed by exporting LINE_PROFILE=1

  • Bug fix for Lieblein diffusion factor

  • Bug fix for rotor-only mean-line check

  • Finish tutorial

v2.3.0

  • Improve AutoGrid meshing robustness, error messages, and locate ssh-agent on via host host automatically

  • Enable operating point change in new configuration format

  • Fix exit PID controller

  • Log full error message and exit if we fail to import a plugin

v2.2.2

  • Error if trying to set viscosity from Reynolds with real working fluid

  • Show mean-line table limits in the log when running real gas

  • Add solver documentation page

v2.2.0

  • Allow partial configuration files, exiting at first blank required key

  • Faster compiler flags for Fortran

  • Turbostream solvers with new base class

  • Generate meanline documentation from the docstrings

  • Catch post-processing errors and continue

  • Submit jobs to a local queue, implement worker script

  • Check for nans in ember

  • Allow invocation with python -m turbigen

  • Implement design space sampling

  • Bug fix for repeating stage iterator if spanwise points unequal

  • General tidying up

v2.1.0

  • Add generic job configuration, and implement SLURM submission

  • Add description and README to PyPI

  • Add changelog, license, command-line options to docs

  • Clean up some dead code and unused imports

v2.0.0

  • Comprehensive internal refactoring of the code for better maintainability

  • Finish the built-in CFD solver

  • Plugin system now uses abstract base classes and reads all modules from a directory, rather than importing a single file by path

  • AutoGrid server supports parallel workers, more settings, better robustnees checks

  • Automate running examples to include results in docs

  • Numerous bug fixes, improved error messages, etc.

  • Use meson to compile the Fortran during installation, upload built linux wheels to PyPI – allows pip install

v1.10.1

  • Bugfix for AutoGrid server not reading the delete switch

  • Bugfix for scalar mean-line iterate variables

v1.10.0

  • Use rotation-corrected static pressure to find stagnation points

  • Add mixed-flow mean-line with mixed and pure radial examples

  • Script to read polynomial coefficients and evaluate a previously-fitted design space

  • Allow unbladed first row in H-mesh

  • Add a syntax check for TS4 body force template

  • Generalise to multi-stage machines

  • Wrap the incidence angle with respect to camber angle

  • Bugfix for TS4 throttle config

  • Add -m command-line switch to debug the mean-line

  • Take CFD inlet pitch angle from the mesh, not mean-line design

  • Implement command-line options for AutoGrid server

  • Bugfix to allow incidence correction on only one section

  • Reduce LE recamber when incidence is close to tolerance

v1.9.1

  • Add retry for AutoGrid connections

  • Use unstructured spanwise cuts to calculate incidence

  • More robust tip H-meshing

  • Incidence correction bugfix for unbladed cases

  • Only reduce proportional part of PID controller gain on restart

  • Clean up the hypercube running code

  • Turbostream 3 SA helicity correction

  • Better Turbostream 4 application variable defaults

  • Use turbulent viscosity from old solution on restart

  • Fix error in docs iterate config

v1.9.0

  • Add post-processing functions for unstructured cuts at constant span fraction

  • Put rotational speeds in AutoGrid geomTurbo file when OH meshing

  • Support TS3 cooling patches

  • Method to allow trimming of grid blocks in pre-processing

  • Compatability fixes for numpy 2 and pin dependency versions

  • Add TS4 halo_implementation setting

  • Fix bug with zero wall distance on non-matching patches

  • Check patch indices are consistent with block size before writing TS3 input

v1.8.0

  • Fit blade sections to coordinates read from a file

  • Overhaul post processing with separate functions for all plots

  • Rewrite LE incidence calculation to work generally for axial and radial

  • Allow off-design operation with rpm_adjust and mass_adjust settings

  • Setting for inviscid boudary condition on zero-radius rod

  • When running installed turbomachine, reuse installed initial guess

  • Allow install function to return inverse design variables to mean line

  • Add rounded trailing edge and fillet options to autogrid meshing

  • Check for membership of the turbostream group before running TS3

  • Error if we cannot locate the specified TS4 throttle tag

  • Allow arbitrary setting of perfect gas internal energy datum

  • Handle errors in cluster jobs and hold the node for debugging

  • Allow unbladed rows in OH meshes

  • Close off the tip of unshrouded rotor blades in STL export

  • Make the coordinate check optional for debugging

  • Fix bounds error on annulus interpolation due to floating point error

v1.7.0

  • Fix bug with noisy TS4 console logging

  • Allow labels on TS4 point probes with different file names

  • Implement unsteady boundary conditions into pre-processing framework

  • Add tutorial to documentation

v1.6.1

  • Fix bug where zero-valued configuration options are not written out

v1.6.0

  • General grid refinement by subdivision of cells

  • Allow halting iterations by creating a stopit file in working directory

  • Check for two-phase flow at the end of the calculation

  • Incidence correction for splitters

  • Improve robustness and simplify AutoGrid meshing script

  • Use improved clustering functions for H-meshing

  • Plot pressure distributions

  • Implement loading mean-line, annulus, and installation modules from file

  • Allow arbitrary external monitoring scripts in TS4 simulations (e.g. to change body force)

  • Configuration option for maximum H-mesh free stream skew

  • Fix AutoGrid patch matching bug

  • Fix bug with TS4 cfl_ramp_en not set

v1.5.1

  • Minor corrections for open release

v1.5.0

  • General tidying up of the code

  • Incidence correction only when mass flow is on target

  • Rework configuration and command-line options

  • Improve documentation

  • Automatic numbering of working directories

v1.4.0

  • Implement sweep by changing meridional locations of LE/TE

  • Add splitter capability

  • Allow preconditioning in TS4

  • Yet more AutoGrid meshing options

  • Record Exceptions in the turbigen log file, in addition to STDERR.

v1.3.4

  • More robust unstructured cutting by Marching Cubes algorithm.

  • Allow prescribing body force in TS 4.2.82

  • Find stagnation point by sign change of surface velocity

  • Implement NaN check for TS4

  • Write out a design space fit to json for web interface

  • More AutoGrid options including untwist outlet

v1.3.3

  • Update radial turbine to set stator LE diameter ratio

v1.3.2

  • Allow custom TS3->TS4 conversion pipelines

  • True Taylor camberline (quartic in chi, not tan chi)

  • Generalise incidence correction to radial inflows and outflows

v1.3.1

  • Add rotor-only fan mean line

v1.3.0

  • Improved H-mesh tip-gap grid

  • Add installation effects module

  • Add write coordinates solver

  • Allow running in parallel

v1.2.0

  • Implement polynomial design-space fitting.

  • Add option to run a hypercube of designs.

  • Improve characteristic running.

  • Fix bugs with mixing of supersonic flows and area signage.

  • Fix bug with setting shroud rpm.

  • Generalise to select a type of thickness distribution.

  • Clean up the log file outputs.

  • Skew H-mesh in flow direction outside of blade rows.

  • Added unstructured cutting for post-processing the mixed-out flow.

  • Added throttling options to target mass flow for TS3 and TS4.

  • Added radial turbine mean-line design functions and example.

  • Internal rewrite of data structures to be CFD-solver agnostic.

  • … plus other miscellaneous enhancements and tidying.

v1.1.0

  • Added H-meshing option, with pinched tips.

  • Config object for programmatic creation and validation of input files.

  • Automated post processing to get a MeanLine object from mixed-out CFD cuts.

  • Use inlet velocity as reference for compressor circulation coefficient.

  • Mixed-out averaging generalised for any meridional cut (not just constant axial coordinate).

  • Iteration to correct for incidence, deviation, and mean-line guesses.

  • Options to set blade number directly or Lieblein diffusion factor.

  • Running characteristics for compressor designs.

  • Generate real gas tables for TS4 on demand.

  • Let TS3 grid object use arbitrary equation of state for post-processing.

  • Post-processing TS4 simulations by reading the flow field into a structured TS3 grid.

  • Config file options to submit a job to the SLURM queue.

v1.0.0

  • First Whittle Laboratory internal release.