Volkan Akcelik
Volkan Akcelik
Shearwater Geoservices
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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
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
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
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
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
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
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
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
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
Multiscale Newton-Krylov methods for inverse acoustic wave propagation
V Akcelik
Carnegie Mellon University, 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
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
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
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
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
Parallel multiscale Gauss-Newton-Krylov methods for inverse wave propagation: Supercomputing, ACM
V Akcelik, G Biros, O Ghattas
IEEE 2002 Conference 41, 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
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
Sensitivity technologies for large scale simulation
BG van Bloemen Waanders, RA Bartlett, SS Collis, ER Keiter, CC Ober, ...
Sandia Report SAND2004-6574, 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
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