Publications

• A. Buffa, O. Chanon, D. Grappein, R. Vázquez, M. Vohralı́k, An equilibrated flux a posteriori error estimator for defeaturing problems
  SIAM Journal on Numerical Analysis, 62(6), 2439-2458, (2024), https://doi.org/10.1137/23M1627195
• D. Grappein, S. Scialò, F. Vicini, Extended finite elements for 3D–1D coupled problems via a PDE-constrained optimization approach
  Finite Elements in Analysis and Design, 239, (2024), https://doi.org/10.1016/j.finel.2024.104203
• S. Berrone, C. Giverso, D. Grappein, L. Preziosi, S. Scialò, An optimization based 3D-1D coupling strategy for tissue perfusion and chemical transport during tumor-induced angiogenesis, Computers and Mathematics with Applications, 151 (2023), https://doi.org/10.1016/j.camwa.2023.09.046
• S. Berrone, D. Grappein, S. Scialò, A PDE-constrained optimization method for 3D-1D coupled problems with discontinuous solutions, Numerical Algorithms, (2023), https://doi.org/10.1007/s11075-023-01579-w
• S. Berrone, D. Grappein, S. Scialò, F. Vicini, A gradient based resolution strategy for a PDE-constrained optimization approach for 3D-1D coupled problems, International Journal on Geomathematics, 13(1), (2022), https://dx.doi.org/10.1007/s13137-021-00192-0
• S. Berrone, D. Grappein, S.Scialò, 3D-1D coupling on non conforming meshes via a three–field optimization based domain decomposition, Journal of Computational Physics, 448, (2022), https://doi.org/10.1016/j.jcp.2021.110738
• S. Berrone, D. Grappein, S. Pieraccini, S. Scialò, A Three-Field based optimization formulation for flow simulations in networks of fractures on non conforming meshes, SIAM Journal on Scientific Computing, 43(2), (2021), B381-B404, https://doi.org/10.1137/20M1319188

Preprints

• A. Buffa, D. Grappein, R. Vázquez, Adaptive refinement in defeaturing problems via an equilibrated flux a posteriori error estimator
  arXiv (2025), https://doi.org/10.48550/arXiv.2503.19784
• A. Arduino, O. Bottauscio, D. Grappein, S. Scialó, F. Vicini, U. Zanovello, L. Zilberti, 3D-1D modelling of cranial plate heating induced by low or medium frequency magnetic fields arXiv (2024), https://doi.org/10.48550/arXiv.2504.16600
• S. Berrone, S. Ferraris, D. Grappein, G. Teora, F. Vicini, A 3D-1D Virtual Element Method for Modeling Root Water Uptake
  arXiv (2024), https://doi.org/10.48550/arXiv.2412.12884

Teaching

Activity as support lecturer