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A Dynamic Electrowetting Simulation using the Level-Set Method

B. Cahill[1], A. Giannitsis[1], G. Gastrock[1], M. Min[1,2], and D. Beckmann[1]
[1]Institut für Bioprozess- und Analysenmesstechnik e.V., Heiligenstadt, Germany
[2] Department of Electronics, Tallinn University of Technology, Tallinn, Estonia

Electrowetting occurs with the electrical control of the surface wetting properties through the application of an electric potential.

A simulation of electrowetting driven droplet dynamics is performed using the COMSOL Multiphysics level-set method for a sessile droplet and for a droplet in a microchannel. The response of the drop to a step voltage is studied. The contact angle at one edge of the drop is varied in order to show droplet actuation.

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