1. A discrete variational grid generation method;Castillo;SIAM J. Sci. Statist. Comput.,1991
2. J.E. Castillo, J.S. Otto, On the transformation to an orthogonal coordinate system aligned with a vector field, Part II: Variational grid-generation, LA-UR-95-3407, Los Alamos National Laboratory, Los Alamos, NM, 1995
3. A practical guide to direct optimization for planar grid-generation;Castillo;Comput. Math. Appl.,1999
4. J.E. Castillo, M. Shashkov, Grid generation methods consistent with finite-difference schemes, LA-UR-93-2932, Los Alamos National Laboratory, Los Alamos, NM, 1993
5. On folding of numerically generated grids: Use of a reference grid;Castillo;Comm. Appl. Numer. Methods,1988