Meanings
present singular third person underrelaxes · participle present underrelaxing · participle past underrelaxed · past underrelaxed
- mathematicsTo solve using underrelaxation.
With this modification, van Doormal and Raithby reported that it was no longer necessary to underrelax the pressure correction.
2016, Richard H. Pletcher, John C. Tannehill, Dale Anderson, Computational Fluid Mechanics and Heat Transfer, →ISBN1 more example
Because of the inherent non-linearity of the discretization equation it is sometimes necessary to slow down the change in φ from one iteration to the next, i.e. underrelaxing, to avoid divergence to the solution.
2003, Hazim B. Awbi, Ventilation of Buildings, →ISBN, page 377
Origin
Cite this entry
underrelax. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/underrelax
“underrelax.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underrelax. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “underrelax,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/underrelax.
Source: underrelax on Wiktionary, CC BY-SA 4.0.