Publications of M. J. Käpylä

Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.; Brandenburg, A.: Convection-driven spherical shell dynamos at varying Prandtl numbers. Astronomy and Astrophysics 599, A4 (2017)

Käpylä, P. J.; Rheinhardt, M.; Brandenburg, A.; Arlt, R.; Käpylä, M. J.; Lagg, A.; Olspert, N.; Warnecke, J.: Extended Subadiabatic Layer in Simulations of Overshooting Convection. Astrophysical Journal Letters 845, L23 (2017)

Pekkilä, J.; Väisälä, M. S.; Käpylä, M. J.; Käpylä, P. J.; Anjum, O.: Methods for compressible fluid simulation on GPUs using high-order finite differences. Computer Physics Communications 217, pp. 11 - 22 (2017)

Pelt, J.; Käpylä, M. J.; Olspert, N.: Method of frequency dependent correlations: investigating the variability of total solar irradiance. Astronomy and Astrophysics 600, A9 (2017)

Tanskanen, E.I.; Snekvik, K.; Slavin, J.A.; Pérez-Suárez, D.; Viljanen, A.; Goldstein, M.; Käpylä, M. J.; Hynönen, R.; Häkkinen, L.V.T.; Mursula, K.: Solar Cycle Occurrence of Alfvénic Fluctuations and Related Geo-Efficiency. Journal of Geophysical Research: Space Physics 122 (10), pp. 9848 - 9857 (2017)

Cole, E.; Brandenburg, A.; Käpylä, P. J.; Käpylä, M. J.: Robustness of oscillatory alpha-squared dynamos in spherical wedges. Astronomy and Astrophysics 593, A134 (2016)

Warnecke, J.; Käpylä, P. J.; Käpylä, M. J.; Brandenburg, A.: Influence of a coronal envelope as a free boundary to global convective dynamo simulations. Astronomy and Astrophysics 596, A115 (2016)

Olspert, N.; Käpylä, M. J.; Pelt, J.: Method for estimating cycle lengths from multidimensional time series: Test cases and application to a massive "in silico" dataset. In: 2016 IEEE International Conference on Big Data (Big Data), pp. 3214 - 3223. 2016 IEEE International Conference on Big Data (Big Data) , Washington, DC, December 05, 2016 - December 08, 2016. (2016)

Viviani, M.; Käpylä, M. J.; Warnecke, J.; Käpylä, P. J.; Rheinhardt, M.; Brandenburg, A.: Solar-like stars' models at increasing rotation rates: magnetic field, velocity field and helicities. Solar Helicities in Theory and Observations: Implications for Space Weather and Dynamo Theory, Stockholm, Schweden (2019)

Käpylä, M. J.: The enigmatic activity branch of solar-like stars and what to do about it. Research seminar on electronics and nanoengineering, Aalto University, Aalto, Finland (2018)

Käpylä, M. J.: Computing helicity spectra from synoptic maps. Third working meeting on Use of Vector Synoptic Maps for Modeling, Max-Planck-Institut für Sonnensystemforschung, Göttingen, Germany (2018)

Käpylä, M. J.: The future of global magnetoconvection simulations. From space, solar and laboratory plasmas to plasma astrophysics, Max-Planck-Institut für Sonnensystemforschung, Göttingen, Germany (2018)

Käpylä, M. J.: The enigmatic magnetic fields of the Sun. Physikalisches Kolloquium, Universität Greifswald, Greifswald, Germany (2018)

Käpylä, M. J.: State-of-art of MHD modeling solar cycle. IAUS 340: Long-term datasets for the understanding of solar and stellar magnetic cycles, Jaipur, India (2018)

Käpylä, M. J.: State-of-the-art modeling of the solar cycle. IAU Symposia 340: Long-term datasets for the understanding of solar and stellar magnetic cycles, Jaipur, India (2018)

Käpylä, M. J.: Long-term variations and irregularities in solar and stellar dynamos. 14th Potsdam Thinkshop: Stellar Magnetism: Challenges, Connections, and Prospects, Potsdam, Germany (2017)

Käpylä, M. J.; Käpylä, P. J.; Olspert, N.; Brandenburg, A.; Warnecke, J.; Gent, F. A.: Multiple dynamo modes as a mechanism for long-term solar activity variations. SOLARNET IV MEETING: The Physics of the Sun from the Interior to the Outer Atmosphere, Lanzarote, Spain (2017)

Käpylä, P. J.; Käpylä, M. J.; Olspert, N.; Warnecke, J.; Brandenburg, A.: Searching for asymptotics in convection-driven dynamos. 17th MHD Days, Göttingen, Germany (2017)

Käpylä, P. J.; Käpylä, M. J.; Rheinhardt, M.; Olspert, N.; Brandenburg, A.; Warnecke, J.; Lagg, A.; Arlt, R.: Stellar convection models with Kramers-type opacity law. Session 'Fundamental aspects of turbulent convection,' of the DPG-FrÜhjahrstagung, Dresden, Germany (2017)

Käpylä, P. J.; Käpylä, M. J.; Rheinhardt, M.; Olspert, N.; Brandenburg, A.; Warnecke, J.; Lagg, A.; Arlt, R.: Implications of extended subadiabtic layers for stellar dynamos. 2nd Conference on Natural Dynamos, Valtice, Czech Republic (2017)