A coupling concept for two‐phase compositional porous‐medium and single‐phase compositional free flow K Mosthaf, K Baber, B Flemisch, R Helmig, A Leijnse, I Rybak, ... Water Resources Research 47 (10), 2011 | 129 | 2011 |

Applications of fully conservative schemes in nonlinear thermoelasticity: modelling shape memory materials P Matus, RVN Melnik, L Wang, I Rybak Mathematics and Computers in Simulation 65 (4-5), 489-509, 2004 | 35 | 2004 |

Thermodynamically constrained averaging theory approach for modeling flow and transport phenomena in porous medium systems: 9. Transition region models AS Jackson, I Rybak, R Helmig, WG Gray, CT Miller Advances in water resources 42, 71-90, 2012 | 32 | 2012 |

Multirate time integration for coupled saturated/unsaturated porous medium and free flow systems I Rybak, J Magiera, R Helmig, C Rohde Computational Geosciences 19 (2), 299-309, 2015 | 26 | 2015 |

A multiple-time-step technique for coupled free flow and porous medium systems I Rybak, J Magiera Journal of Computational Physics 272, 327-342, 2014 | 22 | 2014 |

A simplified method for upscaling composite materials with high contrast of the conductivity R Ewing, O Iliev, R Lazarov, I Rybak, J Willems SIAM journal on scientific computing 31 (4), 2568-2586, 2009 | 20 | 2009 |

Difference schemes for elliptic equations with mixed derivatives P Matus, I Rybak Computational Methods in Applied Mathematics Comput. Methods Appl. Math. 4 …, 2004 | 14 | 2004 |

Monotone and conservative difference schemes for elliptic equations with mixed derivatives IV Rybak Mathematical Modelling and Analysis 9 (2), 169-178, 2004 | 12 | 2004 |

Modeling two-fluid-phase flow and species transport in porous media IV Rybak, WG Gray, CT Miller Journal of Hydrology 521, 565-581, 2015 | 9 | 2015 |

On numerical upscaling for flows in heterogeneous porous media O Iliev, I Rybak Computational Methods in Applied Mathematics Comput. Methods Appl. Math. 8 …, 2008 | 8 | 2008 |

An efficient approach for upscaling properties of composite materials with high contrast of coefficients R Ewing, O Iliev, R Lazarov, I Rybak, J Willems | 7 | 2007 |

On upscaling heat conductivity for a class of industrial problems O Iliev, I Rybak, J Willems | 6 | 2007 |

Computational aspects of conservative difference schemes for shape memory alloys applications RVN Melnik, L Wang, P Matus, I Rybak International Conference on Computational Science and Its Applications, 791-800, 2003 | 5 | 2003 |

Fully conservative difference schemes for nonlinear models describing dynamics of materials with shape memory P Matus, RVN Melnik, IV Rybak Dokl. of the Academy of Sciences of Belarus 47, 15-18, 2003 | 5 | 2003 |

Monotone difference schemes for nonlinear parabolic equations PP Matus, IV Rybak Differential equations 39 (7), 1013-1022, 2003 | 4 | 2003 |

A hyperbolic–elliptic model problem for coupled surface–subsurface flow J Magiera, C Rohde, I Rybak Transport in Porous Media 114 (2), 425-455, 2016 | 2 | 2016 |

On approximation property of multipoint flux approximation method O Iliev, I Rybak | 2 | 2007 |

On two-level preconditioners for flow in porous media R Ewing, O Iliev, R Lazarov, I Rybak | 2 | 2007 |

Validation and calibration of coupled porous-medium and free-flow problems using pore-scale resolved models I Rybak, C Schwarzmeier, E Eggenweiler, U Rüde arXiv preprint arXiv:1906.06884, 2019 | 1 | 2019 |

Mathematical modeling of coupled free flow and porous medium systems I Rybak | 1 | 2016 |