Accepted Manuscript Discretization of Three-Dimensional Free Surface Flows and Moving Boundary Problems via Elliptic Grid Methods based on Variational Principles D. Fraggedakis, J. Papaioannou, Y. Dimakopoulos, J. Tsamopoulos PII: S0021-9991(17)30339-X DOI: http://dx.doi.org/10.1016/j.jcp.2017.04.060 Reference: YJCPH 7326 To appear in: Journal of Computational Physics Received date: 2 August 2016 Revised date: 21 April 2017 Accepted date: 24 April 2017 Please cite this article in press as: D. Fraggedakis et al., Discretization of Three-Dimensional Free Surface Flows and Moving Boundary Problems via Elliptic Grid Methods based on Variational Principles, J. Comput. Phys. (2017), http://dx.doi.org/10.1016/j.jcp.2017.04.060 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.