. Author manuscript; available in PMC: 2018 May 21.

Published in final edited form as: Sleep Med. 2011 Oct 28;12(10):966–974. doi: 10.1016/j.sleep.2011.08.004

Table 4.

Comparison of steady-state Reynolds Averaged Navier-Stokes and unsteady Large Eddy Simulation results.

CFD approach	Maximum velocity (m/s)		Maximum wall shear stress (Pa)		Minimum wall static pressure (Pa)		Airway resistance (Pa/Liter/minute)
CFD approach	Inspiration PRE / POST	Expiration PRE / POST	Inspiration PRE / POST	Expiration PRE / POST	Inspiration PRE / POST	Expiration PRE / POST	Inspiration PRE / POST	Expiration PRE / POST
RANS	13.3/5.0	14.5/5.3	2.5/0.75	2.84/0.70	−134/−9	−170/−23	2.70/0.41	2.51/0.35
LES	14.1/5.0	16.0/5.3	3.52/0.92	4.98/1.07	−159/−7	−231/−30	3.15/0.42	5.00/0.38

PRE – Pre-treatment; POST – Post-treatment; RANS – Reynolds Averaged Navier-Stokes model; LES – Large Eddy Simulation approach.

All values for subject #5, before and after treatment with maxillo-mandibular advancement.