Claude-Louis Navier
| Claude-Louis Navier | |
|---|---|
Bust of Claude Louis Marie Henri Navier at the École Nationale des Ponts et Chaussées
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| Born |
10 February 1785 Dijon, Kingdom of France |
| Died | 21 August 1836 (aged 51) Paris, July Monarchy |
| Nationality | French |
| Fields | Mathematical physics |
| Institutions |
École Nationale des Ponts et Chaussées École polytechnique French Academy of Science |
| Alma mater | École Nationale des Ponts et Chaussées |
| Academic advisors | Joseph Fourier |
| Known for | Navier–Stokes equations |
Claude-Louis Navier (born Claude Louis Marie Henri Navier, French: [klod lwi maʁi ɑ̃ʁi navje]; 10 February 1785 – 21 August 1836), was a French engineer and physicist who specialized in mechanics.
The Navier–Stokes equations are named after him and George Gabriel Stokes.
After the death of his father in 1793, Navier's mother left his education in the hands of his uncle Émiland Gauthey, an engineer with the Corps of Bridges and Roads (Corps des Ponts et Chaussées). In 1802, Navier enrolled at the École polytechnique, and in 1804 continued his studies at the École Nationale des Ponts et Chaussées, from which he graduated in 1806. He eventually succeeded his uncle as Inspecteur general at the Corps des Ponts et Chaussées.
He directed the construction of bridges at Choisy, Asnières and Argenteuil in the Department of the Seine, and built a footbridge to the Île de la Cité in Paris.
In 1824, Navier was admitted into the French Academy of Science. In 1830, he took up a professorship at the École Nationale des Ponts et Chaussées, and in the following year succeeded exiled Augustin Louis Cauchy as professor of calculus and mechanics at the École polytechnique.
Navier formulated the general theory of elasticity in a mathematically usable form (1821), making it available to the field of construction with sufficient accuracy for the first time. In 1819 he succeeded in determining the zero line of mechanical stress, finally correcting Galileo Galilei's incorrect results, and in 1826 he established the elastic modulus as a property of materials independent of the second moment of area. Navier is therefore often considered to be the founder of modern structural analysis.
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