Film C6: Wind turbine CFD, mesh presets and mesh convergence compared

Name: Film C6: Wind turbine CFD, mesh presets and mesh convergence compared
Uploaded: 2026-09-29T08:00:00+02:00
Duration: 5 min 41 s

HELICIEL PRO CFD video tutorial, film C6

The same 4-metre, 3-blade wind turbine, modeled in the Heliciel designer by the blade element method (BEM), calculated five times in the Heliciel PRO CFD bench, from Level 1 (21,000 cells, one minute of meshing) to Level 7 (15 million cells, an overnight calculation). The mesh tightens around the blades, pressure, velocity cuts, flow lines and iso-surfaces become sharper; thrust converges fast towards BEM (57 % gap at Level 1, 4 % at Level 5), torque much more slowly.

Subtitles: English SRT file

Film chapters:

0:00 Introduction
0:22 The wind turbine modeled in the designer (BEM)
1:00 The mesh presets of the CFD bench
1:30 Level 1: 21,000 cells
2:08 Level 2: 47,000 cells
2:31 Level 3: 84,000 cells
3:07 Level 5: 235,000 cells, pressure and flow lines
4:00 Level 5: real rotation (second phase)
4:10 Level 7: 15 million cells
4:45 Thrust and torque convergence
5:17 Conclusion

Going further: the case study: wind turbine CFD, power and wake

Previous film: Film C5: Wind and tidal turbine CFD, wake, rotor thrust and reliable results

The whole series: HELICIEL PRO CFD tutorials and videos

Also on YouTube (English voice, French audio track and subtitles): https://youtu.be/lgU0zbJhOVU