hydrodynamical equations

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• Primitive equations — The primitive equations are a set of nonlinear differential equations that are used to approximate global atmospheric flow and are used in most atmospheric models. They consist of three main sets of equations: # Conservation of momentum :… …   Wikipedia

• Vortex dynamics — In 1858 Hermann von Helmholtz published his seminal paper entitled Über Integrale der hydrodynamischen Gleichungen, welche den Wirbelbewegungen entsprechen, in Journal für die reine und angewandte Mathematik , vol. 55, pp.25 55. So important was… …   Wikipedia

• Degasperis–Procesi equation — In mathematical physics, the Degasperis–Procesi equation is one of only two exactly solvable equations in the following family of third order, non linear, dispersive PDEs: where κ and b are real parameters (b=3 for the Degasperis–Procesi… …   Wikipedia

• Degasperis-Procesi equation — In mathematical physics, the Degasperis Procesi equation: displaystyle u t u {xxt} + 2kappa u x + 4u u x = 3 u x u {xx} + u u {xxx}is one of only two exactly solvable equations in the following family of third order, non linear, dispersive… …   Wikipedia

• ODQVIST — SWEDEN (see also List of Individuals) 29.7.1899 Stockholm/S 7.5.1984 Djursholm/S Folke Karl Gustaf Odqvist graduated in 1922 as a mechanical engineer from the Royal Institute of Technology KTH, Stockholm, and there continued as an assistant. He… …   Hydraulicians in Europe 1800-2000

• ZEILON — SWEDEN (see also List of Individuals) 13.6.1886 Arboga/S 12.4.1958 Stockholm/S Nils Olof Zeilon graduated from the Stockholm Technical University in 1909 as a mathematician and there gained his PhD title in 1914. He was from 1910 to 1911 the… …   Hydraulicians in Europe 1800-2000