KnowraDirect numerical simulationLinked fromLinked fromThe 5 pages that link to Direct numerical simulation, each with the reason it gives.All 5Broader topic 1Related 1Compared with 3Navier–Stokes equationsCompared with: It tests the equations directly but becomes prohibitively expensive for high-Reynolds-number flows.TurbulenceCompared with: It represents turbulence directly but becomes prohibitively expensive at high Reynolds numbers.Large eddy simulationCompared with: DNS resolves scales LES models, but its computational cost grows sharply with Reynolds number.