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.
Source: wiktionary
Underrelax
Synonyms for "underrelax"
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2 total sentences available.
With this modification, van Doormal and Raithby reported that it was no longer necessary to underrelax the pressure correction.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.