ladybug-tools/butterfly

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:butterfly: A light python API for creating and running OpenFoam cases for CFD simulation.

Stars: 263
Forks: 72
Open beginner issues: 0
Indexed issues: 97

Dominant language: Python
License: GPL-3.0
Last GitHub push: Sep 11, 2020
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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97 open issues indexed

Wind speed value Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ladybug-tools/butterfly#438 · Opened Dec 11, 2025
BlueCFD does not have neighbour cell face Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#437 · Opened Dec 10, 2025
BlockMesh - docker-machine misspelled or could not be found. Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

ladybug-tools/butterfly#436 · 1 comment · Opened Oct 23, 2025
Butterfly installation Open

Difficulty 3/5 1-2 days Newbie friendliness 15/100

ladybug-tools/butterfly#434 · Opened May 29, 2024
Butterfly Help WindowsError Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#433 · 2 comments · Opened Apr 17, 2024
Butterfly Python API documentation link broken. Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

ladybug-tools/butterfly#432 · Opened Mar 22, 2024
Moving or dynamic mesh Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ladybug-tools/butterfly#431 · Opened Sep 7, 2023
AddLayers output empty with True input in SnappyHexMesh Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#430 · 2 comments · Opened Jun 22, 2023
help,butterfly block mesh is warning Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

ladybug-tools/butterfly#429 · 4 comments · Opened Apr 6, 2023
Solution exception:Failed to find points file at C:\Users\An'd's\butterfly\outdoor_airflow\constant\polyMesh Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#428 · Opened Mar 19, 2023
1. Solution exception:'"C:\Program Files\blueCFD-Core-2020\setvars.bat"' is not recognized as an internal or external command, operable program or batch file Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#426 · 1 comment · Opened Jan 2, 2023
SnappyHexMesh Failed! Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ladybug-tools/butterfly#423 · Opened Nov 18, 2022
Butterfly BlueCFD Installation. Followed instructions for both but still receiving error '1. Solution exception: Failed to import butterfly: No module named butterfly_grasshopper.timer' Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

ladybug-tools/butterfly#420 · Opened Oct 16, 2022
1. Solution exception:WindowsError (wind analysis) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#419 · Opened Aug 1, 2022
Butterfly, Rhino, and BlueCore2020? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ladybug-tools/butterfly#418 · 6 comments · Opened Oct 22, 2021
Runtime error (UnauthorizedAccessException): Access to the path is denied Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

ladybug-tools/butterfly#415 · Opened Feb 11, 2021
Running time for Butterfly Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

ladybug-tools/butterfly#414 · 3 comments · Opened Nov 15, 2020
blockmesh ：1.solution exception:windowserror. Who can help me!!! Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

ladybug-tools/butterfly#412 · 4 comments · Opened Sep 19, 2020
Butterfly<1.solution exception:windowserror. hep!help! Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

ladybug-tools/butterfly#411 · 1 comment · Opened Sep 19, 2020
Blockmesh Component Error Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

ladybug-tools/butterfly#410 · 2 comments · Opened Jul 4, 2020
Blockmeshcomponent error Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#409 · 4 comments · Opened Jun 5, 2020
problem with optimization butterfly Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#408 · Opened May 16, 2020
Import butterfly python problem 'Config.yml' missing Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

ladybug-tools/butterfly#407 · Opened May 13, 2020
Indoor velocity turns fully blue when the walls are not perpendicular Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#405 · Opened May 7, 2020
Include option to ignore geometry in case.from_folder method Open

discussion enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

ladybug-tools/butterfly#404 · 1 comment · Opened Apr 15, 2020
ControlDict.functions property ALWAYS return None Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

ladybug-tools/butterfly#402 · Opened Feb 20, 2020
Issue with example files and units Open

butterfly core triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#400 · 1 comment · Opened Nov 6, 2019
Problem in loading probes Open

butterfly core triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#399 · 1 reaction · Opened Oct 16, 2019
BF failing to generate SimpleFoam.err Open

butterfly core triage

Difficulty 4/5 3-5 days Newbie friendliness 28/100

ladybug-tools/butterfly#394 · 4 comments · Opened Aug 6, 2019
FOAM looking for controlDict in the wrong place Open

butterfly core triage

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ladybug-tools/butterfly#393 · Opened Jul 23, 2019
Butterfly/GH not displaying every time interval Open

butterfly core triage

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ladybug-tools/butterfly#390 · 2 comments · Opened May 20, 2019
Butterfly sys.path and confing.yml errors Open

butterfly core triage

Difficulty 2/5 1-3 hours Newbie friendliness 15/100

ladybug-tools/butterfly#389 · 2 comments · 1 reaction · Opened May 9, 2019
Butterfly Dynamo indoor Open

butterfly core triage

Difficulty 3/5 1-2 days Newbie friendliness 25/100

ladybug-tools/butterfly#387 · Opened Apr 26, 2019
Butterfly for Dynamo Open

butterfly core triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ladybug-tools/butterfly#386 · 2 comments · 1 reaction · Opened Apr 24, 2019
Automated documentation fails Open

backlog bug butterfly core documentation

Difficulty 3/5 1-2 days Newbie friendliness 25/100

ladybug-tools/butterfly#385 · Opened Apr 1, 2019
OAM FATAL IO ERROR: error in IOstream "Sout" for operation Ostream& operator<<(Ostream&, const char*) Open

butterfly core triage

Difficulty 4/5 3-5 days Newbie friendliness 20/100

ladybug-tools/butterfly#383 · 3 comments · Opened Mar 13, 2019
Feature Request: Moving Boundary for Auto/Cycle Windtunnel Tests Open

butterfly core triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

ladybug-tools/butterfly#381 · Opened Feb 26, 2019
ideas/notes/wishes for Butterfly Open

backlog butterfly core enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

ladybug-tools/butterfly#377 · 4 comments · 2 reactions · Opened Feb 1, 2019
Subclass runmanagers from a base class Open

backlog butterfly core enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ladybug-tools/butterfly#376 · Opened Jan 31, 2019
Add Objects to Calculate Wind Factors Open

backlog butterfly core enhancement

ladybug-tools/butterfly#369 · 1 reaction · 1 assignee · Opened Nov 10, 2018
How to change the workingDir automatically set by OpenFOAM? Open

butterfly core triage

Difficulty 3/5 1-2 days Newbie friendliness 25/100

ladybug-tools/butterfly#354 · 1 comment · Opened Jul 18, 2018
Boundary Condition for Plume Dispersion in urban area Open

butterfly core triage

Difficulty 5/5 Over a week Newbie friendliness 15/100

ladybug-tools/butterfly#351 · Opened Jul 7, 2018
'BF::BF' & 'caseFromFolder' Runtime error (Win32Exception) : WindowsError Open

butterfly core triage

Difficulty 5/5 Over a week Newbie friendliness 15/100

ladybug-tools/butterfly#341 · 3 comments · Opened Apr 25, 2018
how to apply K Omega model for wind tunnel？ Open

butterfly core triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

ladybug-tools/butterfly#327 · 1 comment · Opened Feb 8, 2018
Using pure 2D mesh Open

backlog butterfly core enhancement wish

Difficulty 5/5 Over a week Newbie friendliness 25/100

ladybug-tools/butterfly#323 · 2 comments · Opened Jan 23, 2018
Expose distance based refinement on feature refinement Open

backlog butterfly core enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ladybug-tools/butterfly#321 · Opened Dec 22, 2017
Modify auto-grading to work for 2d solutions Open

backlog bug butterfly core

ladybug-tools/butterfly#313 · 1 assignee · Opened Dec 10, 2017
[BUG] ? Function Objects Open

backlog bug butterfly core critical

ladybug-tools/butterfly#304 · 5 comments · 1 assignee · Opened Nov 28, 2017
Wind tunnel bottom ground X as well Open

backlog butterfly core question

Difficulty 5/5 Over a week Newbie friendliness 20/100

ladybug-tools/butterfly#303 · 7 comments · Opened Nov 26, 2017
Add rounding option to blockMesh Open

backlog butterfly core enhancement new development

ladybug-tools/butterfly#301 · 1 reaction · 1 assignee · Opened Nov 22, 2017

ladybug-tools/butterfly

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