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Mostafa Elbakry, Amr Radi
Genetic programming approach for flow of steady state fluid between two eccentric spheres

Appl. Rheol. 17:6 (2007) 68210 (5 pages)

Abstract: Genetic Programming (GP) is used to estimate the functions that describe the torque and the force acting on the external sphere due to steady state motion of viscoelastic fluid between two eccentric spheres. The GP has been running based on experimental data of the torque at different eccentricities to produce torque for each target eccentricity. The angular velocity of the inner sphere and the eccentricity of the two spheres have been used as input variables to find the discovered functions. The experimental, calculated and predicted torque and forces are compared. The discovered function shows a good match to the experimental data.We find that the GP technique is a good new mechanism of determination of the force and torque of fluid in eccentric sphere model. © 2007 Applied Rheology.

DOI 10.3933/ApplRheol-17-68210

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