Publications Peer reviewed articles (31) Modeling the interplay between epidemics and regional socio-economics Author(s): Jan E. Snellman; Rafael A. Barrio; Kimmo K. Kaski; Maarit J. Käpylä Published in: Physica A, 2, 2022, Page(s) under review, ISSN 0378-4371 Publisher: Elsevier BV DOI: 10.21203/rs.3.rs-500405/v1 Interaction of Large- and Small-scale Dynamos in Isotropic Turbulent Flows from GPU-accelerated Simulations Author(s): Miikka S. Väisälä, Johannes Pekkilä, Maarit J. Käpylä, Matthias Rheinhardt, Hsien Shang, Ruben Krasnopolsky Published in: The Astrophysical Journal, 907/2, 2021, Page(s) 83, ISSN 0004-637X Publisher: University of Chicago Press DOI: 10.3847/1538-4357/abceca Rotational dependence of turbulent transport coefficients in global convective dynamo simulations of solar-like stars Author(s): J. Warnecke, M. J. Käpylä Published in: Astronomy & Astrophysics, 642, 2020, Page(s) A66, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/201936922 Turbulent viscosity and magnetic Prandtl number from simulations of isotropically forced turbulence Author(s): P. J. Käpylä, M. Rheinhardt, A. Brandenburg, M. J. Käpylä Published in: Astronomy & Astrophysics, 636, 2020, Page(s) A93, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/201935012 Non-Fourier description of heat flux evolution in 3D MHD simulations of the solar corona Author(s): Warnecke, Jörn; Bingert, Sven Published in: Geophysical & Astrophysical Fluid Dynamics, 2020, Page(s) Volume 114, Issue 1-2, p.261-281, ISSN 0309-1929 Publisher: Taylor & Francis DOI: 10.1080/03091929.2019.1670173 Inferring magnetic helicity spectrum in spherical domains Author(s): Prabhu, A. P.; Singh, N. K.; Käpylä, M. J.; Lagg, A. Published in: Astronomy & Astrophysics, 1, 2021, Page(s) Vol. 654, Article ID A3, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202141101 Compressible test-field method and its application to shear dynamos Author(s): Maarit J. Käpylä; Matthias Rheinhardt; Axel Brandenburg Published in: Crossref, 5, 2022, ISSN 0004-637X Publisher: University of Chicago Press DOI: 10.48550/arxiv.2106.01107 Helicity proxies from linear polarisation of solar active regions Author(s): A. Prabhu, A. Brandenburg, M. J. Käpylä, A. Lagg Published in: Astronomy & Astrophysics, 641, 2020, Page(s) A46, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202037614 On the Existence of Shear-current Effects in Magnetized Burgulence Author(s): Maarit J. Käpylä, Javier Álvarez Vizoso, Matthias Rheinhardt, Axel Brandenburg, Nishant K. Singh Published in: The Astrophysical Journal, 905/2, 2020, Page(s) 179, ISSN 0004-637X Publisher: University of Chicago Press DOI: 10.3847/1538-4357/abc1e8 Stellar X-rays and magnetic activity in 3D MHD coronal models Author(s): J. Zhuleku, J. Warnecke, H. Peter Published in: Astronomy & Astrophysics, 652, 2021, Page(s) A32, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202040192 Scalable communication for high-order stencil computations using CUDA-aware MPI Author(s): Pekkilä, Johannes; Väisälä, Miikka S.; Käpylä, Maarit J.; Rheinhardt, Matthias; Lappi, Oskar Published in: Parallel Computing, 1, 2022, ISSN 0167-8191 Publisher: Elsevier BV The Pencil Code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained Author(s): The Collaboration, Axel Brandenburg, Anders Johansen, Philippe Bourdin, Wolfgang Dobler, Wladimir Lyra, Matthias Rheinhardt, Sven Bingert, Nils Haugen, Antony Mee, Frederick Gent, Natalia Babkovskaia, Chao-Chin Yang, Tobias Heinemann, Boris Dintrans, Dhrubaditya Mitra, Simon Candelaresi, Jörn Warnecke, Petri Käpylä, Andreas Schreiber, Piyali Chatterjee, Maarit Käpylä, Xiang-Yu Li, Jonas Krüg Published in: Journal of Open Source Software, 6/58, 2021, Page(s) 2807, ISSN 2475-9066 Publisher: JOSS DOI: 10.21105/joss.02807 Topological changes in the magnetic field of LQ Hya during an activity minimum Author(s): Lehtinen, Jyri J.; Käpylä, Maarit J.; Hackman, Thomas; Kochukhov, Oleg; Willamo, Teemu; Marsden, Stephen C.; Jeffers, Sandra V.; Henry, Gregory W.; Jetsu, Lauri Published in: Astronomy & Astrophysics, 3, 2021, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202141649 Topological changes in the magnetic field of LQ Hya during an activity minimum Author(s): J. J. Lehtinen; M. J. Käpylä; T. Hackman; O. Kochukhov; T. Willamo; S. C. Marsden; S. V. Jeffers; G. W. Henry; L. Jetsu Published in: Crossref, 4, 2022, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.48550/arxiv.1909.11028 Spot evolution on LQ Hya from 2006–2017: temperature maps based on SOFIN and FIES data Author(s): Elizabeth M. Cole-Kodikara, Maarit J. Käpylä, Jyri J. Lehtinen, Thomas Hackman, Ilya V. Ilyin, Nikolai Piskunov, Oleg Kochukhov Published in: Astronomy & Astrophysics, 629, 2019, Page(s) A120, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/201935729 Differences in the solar cycle variability of simple and complex active regions during 1996–2018 Author(s): S. Nikbakhsh, E. I. Tanskanen, M. J. Käpylä, T. Hackman Published in: Astronomy & Astrophysics, 629, 2019, Page(s) A45, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/201935486 Stellar Dynamos in the Transition Regime: Multiple Dynamo Modes and Antisolar Differential Rotation Author(s): M. Viviani, M. J. Käpylä, J. Warnecke, P. J. Käpylä, M. Rheinhardt Published in: The Astrophysical Journal, 886/1, 2019, Page(s) 21, ISSN 1538-4357 Publisher: IOPScience DOI: 10.3847/1538-4357/ab3e07 f -mode strengthening from a localised bipolar subsurface magnetic field Author(s): Nishant K. Singh, Harsha Raichur, Maarit J. Käpylä, Matthias Rheinhardt, Axel Brandenburg, Petri J. Käpylä Published in: Geophysical & Astrophysical Fluid Dynamics, 114/1-2, 2020, Page(s) 196-212, ISSN 0309-1929 Publisher: Taylor & Francis DOI: 10.1080/03091929.2019.1653461 Sensitivity to luminosity, centrifugal force, and boundary conditions in spherical shell convection Author(s): P. J. Käpylä, F. A. Gent, N. Olspert, M. J. Käpylä, A. Brandenburg Published in: Geophysical & Astrophysical Fluid Dynamics, 114/1-2, 2020, Page(s) 8-34, ISSN 0309-1929 Publisher: Taylor & Francis DOI: 10.1080/03091929.2019.1571586 Solar-Cycle Variation of quiet-Sun Magnetism and Surface Gravity Oscillation Mode Author(s): M. J. Korpi-Lagg; A. Korpi-Lagg; N. Olspert; H.-L. Truong Published in: Crossref, 1, 2022, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.48550/arxiv.2205.04419 Common dynamo scaling in slowly rotating young and evolved stars Author(s): Jyri J. Lehtinen, Federico Spada, Maarit J. Käpylä, Nigul Olspert, Petri J. Käpylä Published in: Nature Astronomy, 4/7, 2020, Page(s) 658-662, ISSN 2397-3366 Publisher: Nature Publishing Group DOI: 10.1038/s41550-020-1039-x Stellar coronal X-ray emission and surface magnetic flux Author(s): J. Zhuleku, J. Warnecke, H. Peter Published in: Astronomy & Astrophysics, 640, 2020, Page(s) A119, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202038022 Generation of mean flows in rotating anisotropic turbulence: The case of solar near-surface shear layer Author(s): A. Barekat, M. J. Käpylä, P. J. Käpylä, E. P. Gilson, H. Ji Published in: Astronomy & Astrophysics, 2021, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202040052 Shapes of stellar activity cycles Author(s): T. Willamo, T. Hackman, J. J. Lehtinen, M. J. Käpylä, N. Olspert, M. Viviani, J. Warnecke Published in: Astronomy & Astrophysics, 638, 2020, Page(s) A69, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202037666 Scalable communication for high-order stencil computations using CUDA-aware MPI Author(s): Johannes Pekkilä; Miikka S. Väisälä; Maarit J. Käpylä; Matthias Rheinhardt; Oskar Lappi Published in: Crossref, 3, 2022, ISSN 0167-8191 Publisher: Elsevier BV DOI: 10.1016/j.parco.2022.102904 A Knee Point in the Rotation–Activity Scaling of Late-type Stars with a Connection to Dynamo Transitions Author(s): Jyri J. Lehtinen, Maarit J. Käpylä, Nigul Olspert, Federico Spada Published in: The Astrophysical Journal, 910/2, 2021, Page(s) 110, ISSN 0004-637X Publisher: University of Chicago Press DOI: 10.3847/1538-4357/abe621 Physically motivated heat-conduction treatment in simulations of solar-like stars: effects on dynamo transitions Author(s): M. Viviani, M. J. Käpylä Published in: Astronomy & Astrophysics, 645, 2021, Page(s) A141, ISSN 0004-6361 Publisher: Springer Verlag DOI: 10.1051/0004-6361/202038603 Small-scale Dynamo in Supernova-driven Interstellar Turbulence Author(s): Frederick A. Gent, Mordecai-Mark Mac Low, Maarit J. Käpylä, Nishant K. Singh Published in: The Astrophysical Journal Letters, 910/2, 2021, Page(s) L15, ISSN 2041-8205 Publisher: Institute of Physics Publishing DOI: 10.3847/2041-8213/abed59 Constraining Global Solar Models through Helioseismic Analysis Author(s): Andrey M. Stejko; Alexander G. Kosovichev; Nicholas A. Featherstone; Gustavo Guerrero; Bradley W. Hindman; Loren I. Matilsky; Jörn Warnecke Published in: Crossref, 1, 2022, ISSN 0004-637X Publisher: University of Chicago Press DOI: 10.48550/arxiv.2204.05207 Investigating Global Convective Dynamos with Mean-field Models: Full Spectrum of Turbulent Effects Required Author(s): Jörn Warnecke; Matthias Rheinhardt; Mariangela Viviani; Frederick A. Gent; Simo Tuomisto; Maarit J. Käpylä Published in: The Astrophysical Journal Letters, 1, 2021, Page(s) Vol. 919, L13, ISSN 0004-637X Publisher: University of Chicago Press DOI: 10.3847/2041-8213/ac1db5 Compressible test-field method and its application to shear dynamos Author(s): Käpylä, Maarit J.; Rheinhardt, Matthias; Brandenburg, Axel Published in: The Astrophysical Journal, 2, 2022, ISSN 0004-637X Publisher: University of Chicago Press Conference proceedings (1) The role of dynamo instabilities in the dynamics of solar-like cool stars Author(s): Korpi-Lagg, M. J. Published in: 1, 2023 Publisher: Zenodo DOI: 10.5281/zenodo.7575650 Searching for OpenAIRE data... There was an error trying to search data from OpenAIRE No results available
