Here the origin of the term direct numerical simulation (see e.g. p. 385 in Orszag, Steven A. (1970). "Analytical Theories of Turbulence". Journal of Fluid Mechanics. 41 (1970): 363–386. Bibcode:1970JFM....41..363O. doi:10.1017/S0022112070000642. S2CID122834319.) owes to the fact that, at that time, there were considered to be just two principal ways of getting theoretical results regarding turbulence, namely via turbulence theories (like the direct interaction approximation) and directly from solution of the Navier–Stokes equations.
harvard.edu
ui.adsabs.harvard.edu
Here the origin of the term direct numerical simulation (see e.g. p. 385 in Orszag, Steven A. (1970). "Analytical Theories of Turbulence". Journal of Fluid Mechanics. 41 (1970): 363–386. Bibcode:1970JFM....41..363O. doi:10.1017/S0022112070000642. S2CID122834319.) owes to the fact that, at that time, there were considered to be just two principal ways of getting theoretical results regarding turbulence, namely via turbulence theories (like the direct interaction approximation) and directly from solution of the Navier–Stokes equations.
semanticscholar.org
api.semanticscholar.org
Here the origin of the term direct numerical simulation (see e.g. p. 385 in Orszag, Steven A. (1970). "Analytical Theories of Turbulence". Journal of Fluid Mechanics. 41 (1970): 363–386. Bibcode:1970JFM....41..363O. doi:10.1017/S0022112070000642. S2CID122834319.) owes to the fact that, at that time, there were considered to be just two principal ways of getting theoretical results regarding turbulence, namely via turbulence theories (like the direct interaction approximation) and directly from solution of the Navier–Stokes equations.
