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Subject Keyword Abstract Author
 
 
Simulation of droplet impact on a solid surface using the level contour reconstruction method

Seungwon Shin/Damir Juric
The Journal of Mechanical Science and Technology, vol. 23, no. 9, pp.2434-2443, 2009

Abstract : We simulate the three-dimensional impact of a droplet onto a solid surface using the level contour reconstruction method (LCRM). A Navier-slip dynamic contact line model is implemented in this method and contact angle hysteresis is accounted for by fixing the contact angle limits to prescribed advancing or receding angles. Computation of a distance function directly from the tracked interface enables a straightforward implementation of the contact line dynamic model in the LCRM. More general and sophisticated contact line models are readily applicable in this front tracking approach with few modifications, since complete knowledge of the geometrical information of the interface in the vicinity of the wall contact region is available. Several validation tests are performed including 2D planar droplet, 2D axisymmetric droplet, and full three-dimensional droplet splashing problems. The results show good agreement compared with existing numerical and experimental solutions.

Keyword : Contact line dynamics; Droplet impact; Front tracking; Multiphase flow; Numerical simulation; Surface tension

 
 
 
 
 
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