The Finite Element Method Applied to the Exterior Helmholtz Problem on the IBM SP-1. - Harri Hakula; Jouni Malinen; Petri Kallberg; Pekka Valve (PARA, 1994)

ELMER - An Environment for Parallel Industrial CFD. - Harri Hakula; Jari Järvinen; Petri Kallberg; Jouni Malinen; Juha Ruokolainen; Martti Verho (Parallel CFD, 1997)

Controlling 2D Voronoi-Segment Methods. - Harri Hakula (IMR, 1999)

HUTI: Framework for Iterative Solvers. - Harri Hakula; Juha Ruokolainen; Jouni Malinen (PARA, 2002)

Free vibrations for some Koiter shells of revolution. - Edoardo Artioli; Lourenço Beirão da Veiga; Harri Hakula; Carlo Lovadina (Appl. Math. Lett., 2008)

The Factorization Method Applied to the Complete Electrode Model of Impedance Tomography. - Armin Lechleiter; Nuutti Hyvönen; Harri Hakula (SIAM J. Appl. Math., 2008)

Conditionally Gaussian Hypermodels for Cerebral Source Localization. - Daniela Calvetti; Harri Hakula; Sampsa Pursiainen; Erkki Somersalo (SIAM J. Imaging Sci., 2009)

On Moduli of Rings and Quadrilaterals: Algorithms and Experiments. - Harri Hakula; Antti Rasila; Matti Vuorinen (SIAM J. Sci. Comput., 2011)

On the hp-adaptive solution of complete electrode model forward problems of electrical impedance tomography. - Harri Hakula; Nuutti Hyvönen; Tomi Tuominen (J. Comput. Appl. Math., 2012)

Mathematica implementation of the high order finite element method applied to eigenproblems. - Harri Hakula; Tomi Tuominen (Computing, 2013)

Dynamic journeying under uncertainty. - Lauri Häme; Harri Hakula (Eur. J. Oper. Res., 2013)

Conjugate function method for numerical conformal mappings. - Harri Hakula; Tri Quach; Antti Rasila (J. Comput. Appl. Math., 2013)

Routing by ranking: A link analysis method for the constrained dial-a-ride problem. - Lauri Häme; Harri Hakula (Oper. Res. Lett., 2013)

Dynamic Journeying in Scheduled Networks. - Lauri Häme; Harri Hakula (IEEE Trans. Intell. Transp. Syst., 2013)

hp-boundary layer mesh sequences with applications to shell problems. - Harri Hakula (Comput. Math. Appl., 2014)

Application of stochastic Galerkin FEM to the complete electrode model of electrical impedance tomography. - Matti Leinonen; Harri Hakula; Nuutti Hyvönen (J. Comput. Phys., 2014)

Approximate methods for stochastic eigenvalue problems. - Harri Hakula; Vesa Kaarnioja; Mikael Laaksonen (Appl. Math. Comput., 2015)

A Maximum Cluster Algorithm for Checking the Feasibility of Dial-A-Ride Instances. - Lauri Häme; Harri Hakula (Transp. Sci., 2015)

Stochastic Galerkin approximation of the Reynolds equation with irregular film thickness. - Tom Gustafsson; Harri Hakula; Matti Leinonen (Comput. Math. Appl., 2017)

A Posteriori Estimates Using Auxiliary Subspace Techniques. - Harri Hakula; Michael Neilan; Jeffrey S. Ovall (J. Sci. Comput., 2017)

An a posteriori estimator of eigenvalue/eigenvector error for penalty-type discontinuous Galerkin methods. - Stefano Giani; Luka Grubisic; Harri Hakula; Jeffrey S. Ovall (Appl. Math. Comput., 2018)

Spatial Mappings for Planning and Optimization of Cellular Networks. - David González González; Harri Hakula; Antti Rasila; Jyri Hämäläinen (IEEE/ACM Trans. Netw., 2018)

On capacity computation for symmetric polygonal condensers. - Sergei I. Bezrodnykh; Andrei B. Bogatyrev; Sergei A. Goreinov; Oleg Grigor'ev; Harri Hakula; Matti Vuorinen (J. Comput. Appl. Math., 2019)

Asymptotic convergence of spectral inverse iterations for stochastic eigenvalue problems. - Harri Hakula; Mikael Laaksonen (Numerische Mathematik, 2019)

The Conjugate Function Method and Conformal Mappings in Multiply Connected Domains. - Harri Hakula; Tri Quach; Antti Rasila (SIAM J. Sci. Comput., 2019)

Adaptive reference elements via harmonic extensions and associated inner modes. - Harri Hakula (Comput. Math. Appl., 2020)

Conformal Moduli of Symmetric Circular Quadrilaterals With Cusps. - Harri Hakula; Semen Nasyrov; Matti Vuorinen (CoRR, 2020)

On effects of perforated domains on parameter-dependent free vibration. - Stefano Giani; Harri Hakula (J. Comput. Appl. Math., 2021)

A Posteriori Error Estimates for Elliptic Eigenvalue Problems Using Auxiliary Subspace Techniques. - Stefano Giani; Luka Grubisic; Harri Hakula; Jeffrey S. Ovall (J. Sci. Comput., 2021)

Conformal capacity and polycircular domains. - Harri Hakula; Mohamed M. S. Nasser; Matti Vuorinen (J. Comput. Appl. Math., 2023)

Stochastic collocation method for computing eigenspaces of parameter-dependent operators. - Luka Grubisic; Mikael Saarikangas; Harri Hakula (Numerische Mathematik, 2023)

On effects of concentrated loads on perforated sensitive shells of revolution. - Stefano Giani; Harri Hakula (J. Comput. Appl. Math., 2023)

Harmonic extension elements: Eigenproblems and error estimation. - Harri Hakula (Comput. Math. Appl., 2024)

On high-order finite element solution of eigenvalue problems on isospectral surfaces. - Harri Hakula (Comput. Math. Appl., 2024)

From Displacements to Distributions: A Machine-Learning Enabled Framework for Quantifying Uncertainties in Parameters of Computational Models. - Taylor Roper; Harri Hakula; Troy Butler (CoRR, 2024)

Uncertainty quantification for random domains using periodic random variables. - Harri Hakula; Helmut Harbrecht; Vesa Kaarnioja; Frances Y. Kuo; Ian H. Sloan (Numerische Mathematik, 2024)

Constrained maximization of conformal capacity. - Harri Hakula; Mohamed M. S. Nasser; Matti Vuorinen (Comput. Math. Appl., 2025)

A machine-learning enabled framework for quantifying uncertainties in parameters of computational models. - Taylor Roper; Harri Hakula; Troy D. Butler (Comput. Math. Appl., 2025)

Laplace-Beltrami Equations and Numerical Conformal Mappings on Surfaces. - Harri Hakula; Antti Rasila (SIAM J. Sci. Comput., 2025)