### People

##### Last Updated:
16/06/2017 - 22:19

#### Hamdullah Yücel (Assist.Prof.Dr.)

Affiliation: Middle East Technical University
Office: S231
Phone: +90 (312) 210-5607
E-Mail: yucelhmetu.edu.tr
Website: https://blog.metu.edu.tr/yucelh
Research Interests: PDE Constrained Optimization; Adaptive Finite Element Methods; Discontinuous Galerkin Methods; Uncertainty Quantification

#### Publications

• 2018:
1. Adaptive discontinuous Galerkin approximation of optimal control problems governed by transient convection–diffusion equations. . Electron. Trans. Numer. Anal., 48:407–434, 2018. BibTeX | DOI ]
@article{HYucel_MStoll_PBenner_2018,
author        = {H. Y\"ucel and M. Stoll and P. Benner},
title         = {Adaptive discontinuous {G}alerkin approximation of optimal control problems governed by transient convection--diffusion equations},
year          = {2018},
journal       = {Electron. Trans. Numer. Anal.},
volume        = {48},
pages         = {407--434},
doi           = {10.1553/etna vol48s407}
}


2. Symmetric interior penalty Galerkin method for fractional–in–space phase–field equations. . AIMS Mathematics, 3(1):66-95, 2018. BibTeX | DOI ]
@article{MStoll_HYucel_2018,
author        = {M. Stoll and H. Y\"ucel},
title         = {Symmetric interior penalty {G}alerkin method for fractional--in--space phase--field equations},
year          = {2018},
journal       = {AIMS Mathematics},
volume        = {3},
number        = {1},
pages         = {66-95},
doi           = {10.3934/Math.2018.1.66}
}


3. Energy stable discontinuous Galerkin finite element method for the Allen–Cahn equation. . Int. J. Comp. Meth., 15(03):1850013, 2018. BibTeX | DOI ]
@article{BKarasozen_MUzunca_ASariaydin_HYucel_2018,
author        = {B. Karas\"ozen and M. Uzunca and A. Sar{\i}ayd{\i}n--Filibelio\u{g}lu H. Y\"ucel},
title         = {Energy stable discontinuous {G}alerkin finite element method for the Allen--Cahn equation},
journal       = {Int. J. Comp. Meth.},
year          = {2018},
volume        = {15},
number        = {03},
pages         = {1850013},
doi           = {10.1142/S0219876218500135}
}


• 2017:
1. Adaptive symmetric interior penalty Galerkin method for boundary control problems. . SIAM J. Numer. Anal., 55(2):1101–1133, 2017. BibTeX | DOI ]
@article{PBenner_HYucel_2017,
author        = {P. Benner and H. Y\"ucel},
title         = {Adaptive symmetric interior penalty {G}alerkin method for boundary control problems},
journal       = {SIAM J. Numer. Anal.},
year          = {2017},
volume        = {55},
number        = {2},
pages         = {1101--1133},
doi           = {10.1137/15M1034507}
}


2. Optimal Control of Convective FitzHugh-Nagumo Equation. . Comput. Math. Appl., 73(9):2151–2169, 2017. BibTeX | DOI ]
@article{MUzunca_TKucukseyhan_HYucel_BKarasozen_2016,
author        = {M. Uzunca and T. K\"u\c{c}\"ukseyhan and H. Y\"ucel and B.Karas\"ozen},
title         = {Optimal Control of Convective {F}itzHugh-{N}agumo Equation},
year          = {2017},
journal       = {Comput. Math. Appl.},
volume        = {73},
number        = {9},
pages         = {2151--2169},
doi           = {https://doi.org/10.1016/j.camwa.2017.02.028}
}


• 2015:
1. A discontinous Galerkin method for optimal control problems governed by a system of convection-diffusion PDEs with nonlinear reaction terms. . Comput. Math. Appl., 70(10):2414–2431, 2015. BibTeX | DOI ]
@article{HYucel_MStoll_PBenner_2015b,
author        = {H. Y\"ucel and M. Stoll and P. Benner},
title         = {A discontinous {G}alerkin method for optimal control problems governed by a system of convection-diffusion {PDEs} with nonlinear reaction terms},
year          = {2015},
journal       = {Comput. Math. Appl.},
volume        = {70},
number        = {10},
pages         = {2414--2431},
doi           = {https://doi.org/10.1016/j.camwa.2015.09.006}
}


2. Adaptive discontinuous Galerkin methods for state constrained optimal control problems governed by convection diffusion equations. . Comput. Optim. Appl., 62:291-321, 2015. BibTeX | DOI ]
@article{HYucel_PBenner_2015a,
author        = {H. Y\"ucel and P. Benner},
title         = {Adaptive discontinuous {G}alerkin methods for state constrained optimal control problems governed by convection diffusion equations},
journal       = {Comput. Optim. Appl.},
year          = {2015},
volume        = {62},
issue         = {1},
pages         = {291-321},
doi           = {10.1007/s10589-014-9691-7}
}


3. Distributed optimal control problems governed by coupled convection dominated PDEs with control constraints. . In Numerical Mathematics and Advanced Applications - ENUMATH 2013. Springer International Publishing, Lecture Notes in Computational Science and Engineering 103, pp. 469–478, 2015. BibTeX | DOI ]
@inproceedings{HYucel_PBenner_2015,
author        = {H. Y\"ucel and P. Benner},
title         = {Distributed optimal control problems governed by coupled convection dominated PDEs with control constraints},
booktitle     = {Numerical Mathematics and Advanced Applications - ENUMATH 2013},
publisher     = {Springer International Publishing},
volume        = {103},
series        = {Lecture Notes in Computational Science and Engineering},
editor        = {Abdulle, Assyr and Deparis, Simone and Kressner, Daniel and Nobile, Fabio and Picasso, Marco},
pages         = {469--478},
year          = {2015},
doi           = {10.1007/978-3-319-10705-9_46}
}


• 2014:
1. Distributed optimal control of time-dependent diffusion-convection-reaction equations using space-time discretization. . J. Comput. Appl. Math., 2610:146–157, 2014. BibTeX | DOI ]
@article{ZKSeymen_HYucel_BKarasozen_2014,
author        = {Seymen, Z. K. and Y\"ucel, H. and Karas\"ozen, B.},
title         = {Distributed optimal control of time-dependent diffusion-convection-reaction equations using space-time discretization},
journal       = {J. Comput. Appl. Math.},
volume        = {261},
number        = {0},
pages         = {146--157},
year          = {2014},
doi           = {10.1016/j.cam.2013.11.006}
}


2. A priori error analysis of the upwind symmetric interior penalty Galerkin (SIPG) method for the optimal control problems governed by unsteady convection diffusion equations. . Comput. Optim. Appl., 57:703–729, 2014. BibTeX | DOI ]
@article{TAkman_HYucel_BKarasozen_2014,
author        = {T. Akman and H. Y\"ucel and B. Karas\"{o}zen},
title         = {A priori error analysis of the upwind symmetric interior penalty {G}alerkin {(SIPG)} method for the optimal control problems governed by unsteady convection diffusion equations},
journal       = {Comput. Optim. Appl.},
pages         = {703--729},
year          = {2014},
volume        = {57},
issue         = {3},
doi           = {10.1007/s10589-013-9601-4}
}


3. Adaptive symmetric interior penalty Galerkin (SIPG) method for optimal control of convection diffusion equations with control constraints. . Optimization, 63:145–166, 2014. BibTeX | DOI ]
@article{HYucel_BKarasozen_2014,
author        = {H. Y\"ucel and B. Karas\"{o}zen},
title         = {Adaptive symmetric interior penalty {G}alerkin {(SIPG)} method for optimal control of convection diffusion equations with control constraints},
journal       = {Optimization},
pages         = {145--166},
year          = {2014},
volume        = {63},
doi           = {10.1080/02331934.2013.801474}
}


• 2013:
1. Discontinuous Galerkin finite element methods with shock-capturing for nonlinear convection dominated models. . Comput. Chem. Eng., 58:278–287, 2013. BibTeX | DOI ]
@article{HYucel_MStoll_PBenner_2013,
author        = {H. Y\"ucel and M. Stoll and P. Benner},
title         = {Discontinuous {G}alerkin finite element methods with shock-capturing for nonlinear convection dominated models},
journal       = {Comput. Chem. Eng.},
volume        = {58},
pages         = {278--287},
year          = {2013},
doi           = {https://doi.org/10.1016/j.compchemeng.2013.07.011}
}


2. Optimal control of diffusion-convection-reaction equations using upwind symmetric interior penalty Galerkin (SIPG) method. . In Chaos and Complex Systems: Proceedings of the 4th International Interdisciplinary Chaos Symposium, Springer Berlin Heidelberg, pp. 83–94, 2013. BibTeX | DOI ]
@inbook{BKarasozen_Hyucel_2013,
author        = {Karas{\"o}zen, B{\"u}lent and H. Y{\"u}cel},
editor        = {Stavrinides, Stavros G. and Banerjee, Santo and Caglar, Suleyman Hikmet and Ozer, Mehmet},
title         = {Optimal control of diffusion-convection-reaction equations using upwind symmetric interior penalty {G}alerkin ({SIPG}) method},
booktitle     = {Chaos and Complex Systems: Proceedings of the 4th International Interdisciplinary Chaos Symposium},
year          = {2013},
publisher     = {Springer Berlin Heidelberg},
pages         = {83--94},
isbn          = {978-3-642-33914-1},
doi           = {10.1007/978-3-642-33914-1_11}
}


3. Distributed optimal control of diffusion-convection-reaction equations using discontinuous Galerkin methods. . In Numer. Math. Adv. Appl. 2011. Springer, Berlin, pp. 389–397, 2013. BibTeX | DOI ]
@inproceedings{HYucel_MHeinkenschloss_BKarasozen_2013,
author        = {H. Y\"ucel and M. Heinkenschloss and B. Karas\"{o}zen},
title         = {Distributed optimal control of diffusion-convection-reaction equations using discontinuous {G}alerkin methods},
booktitle     = {Numer. Math. Adv. Appl. 2011},
publisher     = {Springer, Berlin},
pages         = {389--397},
year          = {2013},
doi           = {10.1007/978-3-642-33134-3_42}
}



@phdthesis{Yucel2012,