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Hydrodynamics is fluid dynamics applied to liquids, such as water, alcohol, oil, and blood.
Blaise Pascal in the 1600s contributed some of the initial theory to this field. The term originates from the work of Daniel Bernoulli, based on the title of his work called Hydrodynamica ( 1738). He and Leonhard Euler established the general equations of hydrodynamics.The practice was continued by Joseph Louis Lagrange ( 1736- 1813) with the Euler-Lagrange system, Jean le Rond d'Alembert ( 1717Events January 4 — The Netherlands, Britain & France sign Triple Alliance March 2 — Dancer John Weaver performs in the first ballet in Britain shown in Drury Lane The Loves of Mars and Venus March 31 Bishop Benjamin Hoadly, acting on the advice of King Ge- 1783Events February 3 American Revolutionary War: Spain recognizes United States independence. February 4 American Revolutionary War: Great Britain formally declares that it will cease hostilities with the United States of America. May 18 Saint John, New Brun) discovered the Cauchy-Riemann equationsPartial differential equations Complex analysis In complex analysis, the Cauchy-Riemann differential equations are two partial differential equations which provide a necessary and sufficient condition for a function to be holomorphic. Let f u + iv be a fu , Pierre Simon Laplace ( 1749Events While in debtor's prison, John Cleland writes Fanny Hill (Memoirs of a Woman of Pleasure . Released from prison, the book was published in London, England. Immediately, the Church of England asked the British Secretary of State to stop the progress- 1827Events February 20 Battle of Huzaingo February 28 The Baltimore & Ohio Railroad is incorporated, becoming the first railroad offering commercial transportation of both people and freight. March 7 Ellen Turner is abducted The Shrigley Abduction case begins) with the governing equation in the potential flowFluid dynamics In fluid dynamics, potential flow also know as irrotational flow (of incompressible fluids) is steady flow defined by the equations : (zero rotation no viscosity) : (zero divergence volume conservation) Equivalently, : where: v is the vecto named after him, Hermann Ludwig Ferdinand von HelmholtzHermann Ludwig Ferdinand von Helmholtz ( August 31, 1821 September 8, 1894) was a German physician and physicist. Helmholtz was the son of a gymnasium headmaster, Ferdinand Helmholtz, who had studied classical philology and philosophy, and who was a close ( 1821- 1894) and William Thomson, Lord Kelvin ( 1824- 1907) with Kelvin-Helmholtz instability (see also Rayleigh-Taylor and Richtmyer-Meshkov) and Helmholtz's work on vortices.