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SUMMARY:Reconstructing the water surface from pressure measurements - Deco
 ninck\, B (University of Washington)
DTSTART:20140716T153000Z
DTEND:20140716T163000Z
UID:TALK53408@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:A method is proposed to recover the water-wave surface elevati
 on from pressure data obtained at the bottom of the fluid. The new method 
 requires the numerical solution of a nonlocal nonlinear equation relating 
 the pressure and the surface elevation which is obtained from the Euler fo
 rmulation of the water-wave problem without approximation. From this new e
 quation\, a variety of diff erent asymptotic formulas are derived. The non
 local equation and the asymptotic formulas are compared with both numerica
 l data and physical experiments.\n
LOCATION:Seminar Room 2\, Newton Institute Gatehouse
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