Adhémar Jean Claude Barré de Saint-Venant

Mathematician, Deceased Person

1797 – 1886

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Who was Adhémar Jean Claude Barré de Saint-Venant?

Adhémar Jean Claude Barré de Saint-Venant was a mechanician and mathematician who contributed to early stress analysis and also developed the unsteady open channel flow shallow water equations, also known as the Saint-Venant equations that are a fundamental set of equations used in modern hydraulic engineering. The 1-D Saint Venant Equation is a commonly used simplification of the shallow water equations. Although his surname was Barré de Saint-Venant in non-French mathematical literature he is known simply as Saint-Venant. His name is also associated with Saint-Venant's principle of statically equivalent systems of load, Saint-Venant's theorem and for Saint-Venant's compatibility condition, the integrability conditions for a symmetric tensor field to be a strain.

In 1843 he published the correct derivation of the Navier–Stokes equations for a viscous flow and was the first to "properly identify the coefficient of viscosity and its role as a multiplying factor for the velocity gradients in the flow". Even though he published before Stokes, the equations do not bear his name.

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Born
Aug 23, 1797
Seine-et-Marne
Also known as
  • Adhemar Jean Claude Barre de Saint-Venant
Nationality
  • France
Profession
Education
  • École Polytechnique
Died
Jan 6, 1886
Loir-et-Cher

Submitted
on July 23, 2013

Citation

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