@Article{gmd-19-8839-2026,
AUTHOR = {Gray, T. S. and Tackley, P. J. and Gerya, T. V.},
TITLE = {Variational Stokes method applied to free surface boundaries in numerical geodynamical models using the staggered-grid finite-difference discretisation},
JOURNAL = {Geoscientific Model Development},
VOLUME = {19},
YEAR = {2026},
NUMBER = {18},
PAGES = {8839--8854},
URL = {https://gmd.copernicus.org/articles/19/8839/2026/},
DOI = {10.5194/gmd-19-8839-2026}
}