A class of discontinuous Petrov–Galerkin methods. Part III: Adaptivity L Demkowicz, J Gopalakrishnan, AH Niemi Applied numerical mathematics 62 (4), 396-427, 2012 | 171 | 2012 |
Isogeometric analysis for sixth-order boundary value problems of gradient-elastic Kirchhoff plates J Niiranen, J Kiendl, AH Niemi, A Reali Computer Methods in Applied Mechanics and Engineering 316, 328-348, 2017 | 101 | 2017 |
Variational formulation and isogeometric analysis for fourth-order boundary value problems of gradient-elastic bar and plane strain/stress problems J Niiranen, S Khakalo, V Balobanov, AH Niemi Computer Methods in Applied Mechanics and Engineering 308, 182-211, 2016 | 94 | 2016 |
Variational formulations and general boundary conditions for sixth-order boundary value problems of gradient-elastic Kirchhoff plates J Niiranen, AH Niemi European Journal of Mechanics-A/Solids 61, 164-179, 2017 | 60 | 2017 |
On the shape optimization of flapping wings and their performance analysis M Ghommem, N Collier, AH Niemi, VM Calo Aerospace Science and Technology 32 (1), 274-292, 2014 | 58 | 2014 |
Discontinuous Petrov–Galerkin method with optimal test functions for thin-body problems in solid mechanics AH Niemi, JA Bramwell, LF Demkowicz Computer Methods in Applied Mechanics and Engineering 200 (9-12), 1291-1300, 2011 | 51 | 2011 |
Automatically stable discontinuous Petrov–Galerkin methods for stationary transport problems: Quasi-optimal test space norm AH Niemi, NO Collier, VM Calo Computers & Mathematics with Applications 66 (10), 2096-2113, 2013 | 35 | 2013 |
An ultraweak formulation of the Kirchhoff–Love plate bending model and DPG approximation T Führer, N Heuer, A Niemi Mathematics of Computation 88 (318), 1587-1619, 2019 | 34 | 2019 |
Analysis of the discontinuous Petrov–Galerkin method with optimal test functions for the Reissner–Mindlin plate bending model VM Calo, NO Collier, AH Niemi Computers & Mathematics with Applications 66 (12), 2570-2586, 2014 | 32 | 2014 |
A bilinear shell element based on a refined shallow shell model AH Niemi International journal for numerical methods in engineering 81 (4), 485-512, 2010 | 25 | 2010 |
Discontinuous Petrov-Galerkin method based on the optimal test space norm for one-dimensional transport problems AH Niemi, NO Collier, VM Calo Procedia Computer Science 4, 1862-1869, 2011 | 24 | 2011 |
Finite element analysis of the Girkmann problem using the modern hp-version and the classical h-version AH Niemi, I Babuška, J Pitkäranta, L Demkowicz Engineering with Computers 28, 123-134, 2012 | 22 | 2012 |
Discontinuous Petrov–Galerkin method based on the optimal test space norm for steady transport problems in one space dimension AH Niemi, NO Collier, VM Calo Journal of Computational Science 4 (3), 157-163, 2013 | 20 | 2013 |
Benchmark computations on point-loaded shallow shells: Fourier vs. FEM AH Niemi, J Pitkäranta, H Hakula Computer methods in applied mechanics and engineering 196 (4-6), 894-907, 2007 | 19 | 2007 |
Approximation of shell layers using bilinear elements on anisotropically refined rectangular meshes AH Niemi Computer methods in applied mechanics and engineering 197 (45-48), 3964-3975, 2008 | 16 | 2008 |
Benchmark computations of stresses in a spherical dome with shell finite elements AH Niemi SIAM Journal on Scientific Computing 38 (3), B440-B457, 2016 | 12 | 2016 |
Shape optimization and performance analysis of flapping wings M Ghommem, N Collier, AH Niemi, VM Calo Proceedings of The Eighth International Conference on Engineering …, 2012 | 11 | 2012 |
Bilinear finite elements for shells: Isoparametric quadrilaterals AH Niemi, J Pitkäranta International journal for numerical methods in engineering 75 (2), 212-240, 2008 | 11 | 2008 |
A DPG method for shallow shells T Führer, N Heuer, AH Niemi Numerische Mathematik 152 (1), 67-99, 2022 | 8 | 2022 |
Differential cubature method for gradient-elastic Kirchhoff plates SM Mousavi, J Niiranen, AH Niemi Journal of Structural Mechanics 48, 164-180, 2015 | 6 | 2015 |