underrelax

Verb

underrelax (third-person singular simple present underrelaxes, present participle underrelaxing, simple past and past participle underrelaxed)

1. To solve using underrelaxation.
   • 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
   • 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, →ISBN