A Newton-CG method for large-scale three-dimensional elastic full-waveform seismic inversion I Epanomeritakis, V Akçelik, O Ghattas, J Bielak Inverse Problems 24 (3), 034015, 2008 | 268 | 2008 |

High resolution forward and inverse earthquake modeling on terascale computers V Akcelik, J Bielak, G Biros, I Epanomeritakis, A Fernandez, O Ghattas, ... Proceedings of the 2003 ACM/IEEE Conference on Supercomputing, 52, 2003 | 251 | 2003 |

Fast algorithms for Bayesian uncertainty quantification in large-scale linear inverse problems based on low-rank partial Hessian approximations HP Flath, LC Wilcox, V Akçelik, J Hill, B van Bloemen Waanders, ... SIAM Journal on Scientific Computing 33 (1), 407-432, 2011 | 220 | 2011 |

Parallel multiscale Gauss-Newton-Krylov methods for inverse wave propagation V Akcelik, G Biros, O Ghattas SC'02: Proceedings of the 2002 ACM/IEEE Conference on Supercomputing, 41-41, 2002 | 198 | 2002 |

Full waveform inversion for seismic velocity and anelastic losses in heterogeneous structures A Askan, V Akcelik, J Bielak, O Ghattas Bulletin of the Seismological Society of America 97 (6), 1990-2008, 2007 | 111 | 2007 |

Parallel algorithms for PDE-constrained optimization V Akçelik, G Biros, O Ghattas, J Hill, D Keyes, B van Bloemen Waanders Parallel processing for scientific computing, 291-322, 2006 | 106 | 2006 |

A variational finite element method for source inversion for convective–diffusive transport V Akçelik, G Biros, O Ghattas, KR Long, B van Bloemen Waanders Finite elements in analysis and design 39 (8), 683-705, 2003 | 106 | 2003 |

Dynamic data-driven inversion for terascale simulations: Real-time identification of airborne contaminants V Akçelik, G Biros, A Draganescu, J Hill, O Ghattas, BVB Waanders SC'05: Proceedings of the 2005 ACM/IEEE Conference on Supercomputing, 43-43, 2005 | 79 | 2005 |

Nearly orthogonal two-dimensional grid generation with aspect ratio control V Akcelik, B Jaramaz, O Ghattas Journal of Computational Physics 171 (2), 805-821, 2001 | 71 | 2001 |

Multiscale Newton-Krylov methods for inverse acoustic wave propagation V Akcelik Carnegie Mellon University, 2002 | 45 | 2002 |

Adjoint methods for electromagnetic shape optimization of the low-loss cavity for the international linear collider V Akçelik, G Biros, O Ghattas, D Keyes, K Ko, LQ Lee, EG Ng Journal of Physics: Conference Series 16 (1), 435, 2005 | 39 | 2005 |

Modeling imperfection effects on dipole modes in TESLA cavity L Xiao, C Adolphsen, V Akcelik, A Kabel, K Ko, L Lee, Z Li, C Ng 2007 IEEE Particle Accelerator Conference (PAC), 2454-2456, 2007 | 31 | 2007 |

State of the art in EM field computation C Ng, V Akcelik, A Candel, S Chen, N Folwell, L Ge, A Guetz, H Jiang, ... SLAC National Accelerator Lab., Menlo Park, CA (United States), 2006 | 30 | 2006 |

Shape determination for deformed electromagnetic cavities V Akçelik, K Ko, LQ Lee, Z Li, CK Ng, L Xiao Journal of Computational Physics 227 (3), 1722-1738, 2008 | 26 | 2008 |

Inversion of airborne contaminants in a regional model V Akcelik, G Biros, A Draganescu, O Ghattas, J Hill, ... Computational Science–ICCS 2006: 6th International Conference, Reading, UK …, 2006 | 25 | 2006 |

Parallel multiscale Gauss-Newton-Krylov methods for inverse wave propagation: Supercomputing, ACM V Akcelik, G Biros, O Ghattas IEEE 2002 Conference 41, 2002 | 20 | 2002 |

Towards simulation of electromagnetics and beam physics at the petascale Z Li, V Akcelik, A Candel, S Chen, L Ge, A Kabel, LQ Lee, C Ng, ... 2007 IEEE Particle Accelerator Conference (PAC), 889-893, 2007 | 17 | 2007 |

A framework for online inversion-based 3D site characterization V Akçelik, J Bielak, G Biros, I Epanomeritakis, O Ghattas, LF Kallivokas, ... Computational Science-ICCS 2004: 4th International Conference, Kraków …, 2004 | 13 | 2004 |

Sensitivity technologies for large scale simulation BG van Bloemen Waanders, RA Bartlett, SS Collis, ER Keiter, CC Ober, ... Sandia Report SAND2004-6574, 2005 | 12 | 2005 |

Parameter sensitivity analysis of a nonlinear least-squares optimization-based anelastic full waveform inversion method A Askan, V Akcelik, J Bielak, O Ghattas Comptes Rendus Mécanique 338 (7-8), 364-376, 2010 | 11 | 2010 |