Valtteri Lahtinen
Valtteri Lahtinen
Quanscient Oy
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Powering of an HTS dipole insert-magnet operated standalone in helium gas between 5 and 85 K
J van Nugteren, G Kirby, H Bajas, M Bajko, A Ballarino, L Bottura, ...
Superconductor science and technology 31 (6), 065002, 2018
An H-formulation-based three-dimensional hysteresis loss modelling tool in a simulation including time varying applied field and transport current: the fundamental problem and …
A Stenvall, V Lahtinen, M Lyly
Superconductor Science and Technology 27 (10), 104004, 2014
Comparison of three eddy current formulations for superconductor hysteresis loss modelling
V Lahtinen, M Lyly, A Stenvall, T Tarhasaari
Superconductor Science and Technology 25 (11), 115001, 2012
Ripple field losses in direct current biased superconductors: Simulations and comparison with measurements
V Lahtinen, E Pardo, J Šouc, M Solovyov, A Stenvall
Journal of Applied Physics 115 (11), 2014
3-D Numerical Modeling of AC Losses in Multifilamentary MgB2 Wires
G Escamez, F Sirois, V Lahtinen, A Stenvall, A Badel, P Tixador, ...
IEEE Transactions on Applied Superconductivity 26 (3), 1-7, 2016
A Finite Element Simulation Tool for Predicting Hysteresis Losses in Superconductors Using an H-Oriented Formulation with Cohomology Basis Functions
V Lahtinen, A Stenvall, F Sirois, M Pellikka
Journal of Superconductivity and Novel Magnetism 28, 2345-2354, 2015
The difficulty of modeling ripple field losses in superconductors using the eddy current model
V Lahtinen, A Stenvall
IEEE transactions on applied superconductivity 23 (3), 4900505-4900505, 2012
Finite element simulations of twisted NbTi conductors
M Lyly, V Zermeno, A Stenvall, V Lahtinen, R Mikkonen
IEEE transactions on applied superconductivity 23 (3), 6000105-6000105, 2012
Thin-shell approach for modeling superconducting tapes in the H-φ finite-element formulation
B de Sousa Alves, V Lahtinen, M Laforest, F Sirois
Superconductor Science and Technology 35 (2), 024001, 2021
Agile practices for quantum software development: practitioners’ perspectives
AA Khan, MA Akbar, A Ahmad, M Fahmideh, M Shameem, V Lahtinen, ...
2023 IEEE international conference on quantum software (QSW), 9-20, 2023
Microwave response of a metallic superconductor subject to a high-voltage gate electrode
G Catto, W Liu, S Kundu, V Lahtinen, V Vesterinen, M Möttönen
Scientific Reports 12 (1), 6822, 2022
Photon-number-dependent effective Lamb shift
A Viitanen, M Silveri, M Jenei, V Sevriuk, KY Tan, M Partanen, J Goetz, ...
Physical Review Research 3 (3), 033126, 2021
Effects of device geometry and material properties on dielectric losses in superconducting coplanar-waveguide resonators
V Lahtinen, M Möttönen
Journal of Physics: Condensed Matter 32 (40), 405702, 2020
- Formulation in Sparselizard Combined With Domain Decomposition Methods for Modeling Superconducting Tapes, Stacks, and Twisted Wires
N Riva, A Halbach, M Lyly, C Messe, J Ruuskanen, V Lahtinen
IEEE Transactions on Applied Superconductivity 33 (5), 1-5, 2023
Predicting heat propagation in Roebel-cable-based accelerator magnet prototype: One-dimensional approach with coupled turns
J Ruuskanen, A Stenvall, V Lahtinen
IEEE Transactions on Applied Superconductivity 27 (4), 1-5, 2016
A robust method for image stitching
M Pellikka, V Lahtinen
Pattern Analysis and Applications 24 (4), 1847-1858, 2021
Electromagnetic nonlinearities in a Roebel-cable-based accelerator magnet prototype: Variational approach
J Ruuskanen, A Stenvall, V Lahtinen, E Pardo
Superconductor Science and Technology 30 (2), 024008, 2016
Approaches for Tree-Co-Tree Gauged T --Formulated Eddy-Current Problem in Superconductor Hysteresis Loss Simulations
M Lyly, V Lahtinen, A Stenvall, T Tarhasaari, R Mikkonen
IEEE transactions on applied superconductivity 23 (1), 8200909-8200909, 2013
Toward two-dimensional simulations of hysteresis losses in partially coupled superconducting wires
V Lahtinen, A Stenvall
IEEE transactions on applied superconductivity 24 (3), 1-5, 2013
A time-harmonic approach to numerically model losses in the metal matrix in twisted superconductors in external magnetic field
M Lyly, V Lahtinen, A Stenvall, L Rostila, R Mikkonen
IEEE transactions on applied superconductivity 24 (2), 121-129, 2014
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