Publications

Ivan Buntic, Martin Schneider, Bernd Flemisch, and Rainer Helmig. A fully-implicit solving approach to an adaptive multi-scale model - coupling a vertical-equilibrium and full-dimensional model for compressible, multi-phase flow in porous media. Computational Geosciences, (29)2:11--, 2025. [PUMA: exc2075 myown pn5 pn5-2a] URL

Ehsan Vahabzadeh, Ivan Buntic, Farzaneh Nazari, Bernd Flemisch, Rainer Helmig, and Vahid Niasar. Applicability of the Vertical Equilibrium model to underground hydrogen injection and withdrawal. International Journal of Hydrogen Energy, (106):790-805, 2025. [PUMA: exc2075 pn5 pn5-2a] URL

Johannes Eller, Tim Sauerborn, Beatrix Becker, Ivan Buntic, Joachim Gross, and Rainer Helmig. Modeling Subsurface Hydrogen Storage With Transport Properties From Entropy Scaling Using the PC‐SAFT Equation of State. Water Resources Research, (58)4American Geophysical Union (AGU), 2022. [PUMA: EXC2075 PN1-5 PN5 PN5-2A] URL

Beatrix Becker, Bo Guo, Ivan Buntic, Bernd Flemisch, and Rainer Helmig. An adaptive hybrid vertical equilibrium/full dimensional model for compositional multiphase flow. Water Resources Research, e2021WR030990, 2022. [PUMA: EXC2075 PN5 PN5-2A] URL

Ivan Buntic, Martin Schneider, Bernd Flemisch, and Rainer Helmig. A fully-implicit solving approach to an adaptive multi-scale model -- coupling a vertical-equilibrium and full-dimensional model for compressible, multi-phase flow in porous media. 22, May 2024. [PUMA: EXC2075 PN5 PN5-2A myown preprint] URL