Simulation of Flow in Fractured Poroelastic Media: A Comparison of Different Discretization Approaches. - Ilona Ambartsumyan; Eldar Khattatov; Ivan Yotov; Paolo Zunino (FDM, 2014)

A Lagrange multiplier method for a Stokes-Biot fluid-poroelastic structure interaction model. - Ilona Ambartsumyan; Eldar Khattatov; Ivan Yotov; Paolo Zunino (Numerische Mathematik, 2018)

A coupled multipoint stress - multipoint flux mixed finite element method for the Biot system of poroelasticity. - Ilona Ambartsumyan; Eldar Khattatov; Ivan Yotov (CoRR, 2020)

Hierarchical Matrix Approximations of Hessians Arising in Inverse Problems Governed by PDEs. - Ilona Ambartsumyan; Wajih Bou Karam; Tan Bui-Thanh; Omar Ghattas; David E. Keyes; Georg Stadler; George Turkiyyah; Stefano Zampini (CoRR, 2020)

Stochastic multiscale flux basis for Stokes-Darcy flows. - Ilona Ambartsumyan; Eldar Khattatov; Changqing Wang; Ivan Yotov (J. Comput. Phys., 2020)

A Multipoint Stress Mixed Finite Element Method for Elasticity on Simplicial Grids. - Ilona Ambartsumyan; Eldar Khattatov; Jan M. Nordbotten; Ivan Yotov (SIAM J. Numer. Anal., 2020)

Hierarchical Matrix Approximations of Hessians Arising in Inverse Problems Governed by PDEs. - Ilona Ambartsumyan; Wajih Halim Boukaram; Tan Bui-Thanh; Omar Ghattas; David E. Keyes; Georg Stadler; George Turkiyyah; Stefano Zampini (SIAM J. Sci. Comput., 2020)