Publications of Petri J. Kapyla

A list of publications authored or co-authored by Petri J. Kapyla, derived from the SAO/NASA Astrophysics Data System (ADS). The number in brackets after each title indicates the number of citations that the paper has received.

Orcid ID: 0000-0001-9619-0053

List of publications ordered by citations
Number of papers: 111 (refereed: 92)
No. of citations: 3394
First author papers: 46 (refereed: 42)

2025

  1. Helicity Effect on Turbulent Passive and Active Scalar Diffusivities [1]
    Brandenburg, Axel, Käpylä, Petri J., Rogachevskii, Igor & Yokoi, Nobumitsu, ApJ, 984, 88

2024

  1. Magnetohydrodynamic simulations of A-type stars: Long-term evolution of core dynamo cycles [1]
    Hidalgo, J. P., Käpylä, P. J., Schleicher, D. R. G., Ortiz-Rodríguez, C. A. & Navarrete, F. H., A&A, 691, A326
  2. Convective scale and subadiabatic layers in simulations of rotating compressible convection [9]
    Käpylä, P. J., A&A, 683, A221
  3. Effects of rotation and surface forcing on deep stellar convection zones [1]
    Käpylä, Petri J., IAU Symposium (Editors: Getling, Alexander V. & Kitchatinov, Leonid L.), IAU Symposium, 365, p. 5

2023

  1. Transition from anti-solar to solar-like differential rotation: Dependence on Prandtl number [17]
    Käpylä, P. J., A&A, 669, A98
  2. Simulations of Solar and Stellar Dynamos and Their Theoretical Interpretation [27]
    Käpylä, Petri J., Browning, Matthew K., Brun, Allan Sacha, Guerrero, Gustavo & Warnecke, Jörn, Space Science Reviews, 219, 58
  3. Simulations of dynamo action in slowly rotating M dwarfs: Dependence on dimensionless parameters [5]
    Ortiz-Rodríguez, C. A., Käpylä, P. J., Navarrete, F. H., Schleicher, D. R. G., Mennickent, R. E., Hidalgo, J. P. & Toro-Velásquez, B., A&A, 678, A82
  4. On Strengthening of the Solar f-Mode Prior to Active Region Emergence Using the Fourier-Hankel Analysis [6]
    Waidele, M., Roth, M., Singh, N. K. & Käpylä, P. J., Solar Physics, 298, 30

2022

  1. Turbulent Prandtl number from isotropically forced turbulence [2]
    Käpylä, Petri J. & Singh, Nishant K., Journal of Fluid Mechanics, 952, R1
  2. Solar-like Dynamos and Rotational Scaling of Cycles from Star-in-a-box Simulations [10]
    Käpylä, Petri J., ApJ, 931, L17
  3. Origin of eclipsing time variations in post-common-envelope binaries: Role of the centrifugal force [4]
    Navarrete, Felipe H., Schleicher, Dominik R. G., Käpylä, Petri J., Ortiz-Rodríguez, Carolina A. & Banerjee, Robi, A&A, 667, A164
  4. Origin of eclipsing time variations: Contributions of different modes of the dynamo-generated magnetic field [4]
    Navarrete, Felipe H., Käpylä, Petri J., Schleicher, Dominik R. G., Ortiz, Carolina A. & Banerjee, Robi, A&A, 663, A90
  5. Magnetism, rotation, and nonthermal emission in cool stars. Average magnetic field measurements in 292 M dwarfs [121]
    Reiners, A., Shulyak, D., Käpylä, P. J., Ribas, I., Nagel, E., Zechmeister, M., Caballero, J. A., Shan, Y., Fuhrmeister, B., Quirrenbach, A., Amado, P. J., Montes, D., Jeffers, S. V., Azzaro, M., Béjar, V. J. S., Chaturvedi, P., Henning, Th., Kürster, M. & Pallé, E., A&A, 662, A41

2021

  1. The Pencil Code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained [15]
    Collaboration, The, Brandenburg, Axel, Johansen, Anders, Bourdin, Philippe, Dobler, Wolfgang, Lyra, Wladimir, Rheinhardt, Matthias, Bingert, Sven, Haugen, Nils, Mee, Antony, Gent, Frederick, Babkovskaia, Natalia, Yang, Chao-Chin, Heinemann, Tobias, Dintrans, Boris, Mitra, Dhrubaditya, Candelaresi, Simon, Warnecke, Jörn, Käpylä, Petri, Schreiber, Andreas, Chatterjee, Piyali, Käpylä, Maarit, Li, Xiang-Yu, Krüger, Jonas, Aarnes, Jørgen, Sarson, Graeme, Oishi, Jeffrey, Schober, Jennifer, Plasson, Raphaël, Sandin, Christer, Karchniwy, Ewa, Rodrigues, Luiz, Hubbard, Alexander, Guerrero, Gustavo, Snodin, Andrew, Losada, Illa, Pekkilä, Johannes & Qian, Chengeng, The Journal of Open Source Software, 6, 2807
  2. Reynolds number dependence of Lyapunov exponents of turbulence and fluid particles [3]
    Fouxon, Itzhak, Feinberg, Joshua, Käpylä, Petri & Mond, Michael, Physical Review E, 103, 033110
  3. Prandtl number dependence of stellar convection: Flow statistics and convective energy transport [14]
    Käpylä, P. J., A&A, 655, A78
  4. Star-in-a-box simulations of fully convective stars [30]
    Käpylä, P. J., A&A, 651, A66
  5. Common dynamo scaling in late-type main sequence and evolved stars [0]
    Lehtinen, Jyri, Spada, Federico, Käpylä, Maarit, Olspert, Nigul & Käpylä, Petri, The 20.5th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS20.5), Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, p. 193
  6. The Pencil Code, a modular MPI code for partial differential equations and particles: multipurpose and multiuser-maintained [136]
    Pencil Code Collaboration, Brandenburg, Axel, Johansen, Anders, Bourdin, Philippe, Dobler, Wolfgang, Lyra, Wladimir, Rheinhardt, Matthias, Bingert, Sven, Haugen, Nils, Mee, Antony, Gent, Frederick, Babkovskaia, Natalia, Yang, Chao-Chin, Heinemann, Tobias, Dintrans, Boris, Mitra, Dhrubaditya, Candelaresi, Simon, Warnecke, Jörn, Käpylä, Petri, Schreiber, Andreas, Chatterjee, Piyali, Käpylä, Maarit, Li, Xiang-Yu, Krüger, Jonas, Aarnes, Jørgen, Sarson, Graeme, Oishi, Jeffrey, Schober, Jennifer, Plasson, Raphaël, Sandin, Christer, Karchniwy, Ewa, Rodrigues, Luiz, Hubbard, Alexander, Guerrero, Gustavo, Snodin, Andrew, Losada, Illa, Pekkilä, Johannes & Qian, Chengeng, The Journal of Open Source Software, 6, 2807

2020

  1. Turbulent viscosity and magnetic Prandtl number from simulations of isotropically forced turbulence [18]
    Käpylä, P. J., Rheinhardt, M., Brandenburg, A. & Käpylä, M. J., A&A, 636, A93
  2. Common dynamo scaling in slowly rotating young and evolved stars [39]
    Lehtinen, Jyri J., Spada, Federico, Käpylä, Maarit J., Olspert, Nigul & Käpylä, Petri J., Nature Astronomy, 4, 658
  3. f-mode strengthening from a localised bipolar subsurface magnetic field [10]
    Singh, Nishant K., Raichur, Harsha, Käpylä, Maarit J., Rheinhardt, Matthias, Brandenburg, Axel & Käpylä, Petri J., Geophysical and Astrophysical Fluid Dynamics, 114, 196

2019

  1. Effects of a subadiabatic layer on convection and dynamos in spherical wedge simulations [26]
    Käpylä, P. J., Viviani, M., Käpylä, M. J., Brandenburg, A. & Spada, F., Geophysical and Astrophysical Fluid Dynamics, 113, 149
  2. Overshooting in simulations of compressible convection [37]
    Käpylä, P. J., A&A, 631, A122
  3. Magnetic and rotational quenching of the Λ effect [17]
    Käpylä, P. J., A&A, 622, A195
  4. Stellar Dynamos in the Transition Regime: Multiple Dynamo Modes and Antisolar Differential Rotation [26]
    Viviani, M., Käpylä, M. J., Warnecke, J., Käpylä, P. J. & Rheinhardt, M., ApJ, 886, 21

2018

  1. Large-scale dynamos in rapidly rotating plane layer convection [16]
    Bushby, P. J., Käpylä, P. J., Masada, Y., Brandenburg, A., Favier, B., Guervilly, C. & Käpylä, M. J., A&A, 612, A97
  2. Small‑scale dynamos in simulations of stratified turbulent convection [15]
    Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., Astronomische Nachrichten, 339, 127
  3. Bihelical Spectrum of Solar Magnetic Helicity and Its Evolution [23]
    Singh, Nishant K., Käpylä, Maarit J., Brandenburg, Axel, Käpylä, Petri J., Lagg, Andreas & Virtanen, Ilpo, ApJ, 863, 182
  4. Transition from axi- to nonaxisymmetric dynamo modes in spherical convection models of solar-like stars [66]
    Viviani, M., Warnecke, J., Käpylä, M. J., Käpylä, P. J., Olspert, N., Cole-Kodikara, E. M., Lehtinen, J. J. & Brandenburg, A., A&A, 616, A160
  5. Turbulent transport coefficients in spherical wedge dynamo simulations of solar-like stars [73]
    Warnecke, J., Rheinhardt, M., Tuomisto, S., Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., A&A, 609, A51

2017

  1. Convection-driven spherical shell dynamos at varying Prandtl numbers [45]
    Käpylä, P. J., Käpylä, M. J., Olspert, N., Warnecke, J. & Brandenburg, A., A&A, 599, A4
  2. Extended Subadiabatic Layer in Simulations of Overshooting Convection [54]
    Käpylä, Petri J., Rheinhardt, Matthias, Brandenburg, Axel, Arlt, Rainer, Käpylä, Maarit J., Lagg, Andreas, Olspert, Nigul & Warnecke, Jörn, ApJ, 845, L23
  3. Methods for compressible fluid simulation on GPUs using high-order finite differences [7]
    Pekkilä, Johannes, Väisälä, Miikka S., Käpylä, Maarit J., Käpylä, Petri J. & Anjum, Omer, Computer Physics Communications, 217, 11

2016

  1. Robustness of oscillatory α2 dynamos in spherical wedges [10]
    Cole, E., Brandenburg, A., Käpylä, P. J. & Käpylä, M. J., A&A, 593, A134
  2. Multiple dynamo modes as a mechanism for long-term solar activity variations [77]
    Käpylä, M. J., Käpylä, P. J., Olspert, N., Brandenburg, A., Warnecke, J., Karak, B. B. & Pelt, J., A&A, 589, A56
  3. Magnetic flux concentrations from turbulent stratified convection [27]
    Käpylä, P. J., Brandenburg, A., Kleeorin, N., Käpylä, M. J. & Rogachevskii, I., A&A, 588, A150
  4. Influence of a coronal envelope as a free boundary to global convective dynamo simulations [36]
    Warnecke, J., Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., A&A, 596, A115

2015

  1. Magnetically controlled stellar differential rotation near the transition from solar to anti-solar profiles [99]
    Karak, B. B., Käpylä, P. J., Käpylä, M. J., Brandenburg, A., Olspert, N. & Pelt, J., A&A, 576, A26
  2. Testing turbulent closure models with convection simulations [5]
    Snellman, J. E., Käpylä, P. J., Käpylä, M. J. & Rheinhardt, M., Dintrans, B., Astronomische Nachrichten, 336, 32

2014

  1. An Azimuthal Dynamo Wave in Spherical Shell Convection [33]
    Cole, Elizabeth, Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, ApJ, 780, L22
  2. Quenching and Anisotropy of Hydromagnetic Turbulent Transport [38]
    Karak, Bidya Binay, Rheinhardt, Matthias, Brandenburg, Axel, Käpylä, Petri J. & Käpylä, Maarit J., ApJ, 795, 16
  3. Confirmation of bistable stellar differential rotation profiles [85]
    Käpylä, P. J., Käpylä, M. J. & Brandenburg, A., A&A, 570, A43
  4. Quantifying the effect of turbulent magnetic diffusion on the growth rate of the magneto-rotational instability [7]
    Väisälä, M. S., Brandenburg, A., Mitra, D., Käpylä, P. J. & Mantere, M. J., A&A, 567, A139
  5. On The Cause of Solar-like Equatorward Migration in Global Convective Dynamo Simulations [50]
    Warnecke, Jörn, Käpylä, Petri J., Käpylä, Maarit J. & Brandenburg, Axel, ApJ, 796, L12

2013

  1. New Scaling for the Alpha Effect in Slowly Rotating Turbulence [19]
    Brandenburg, A., Gressel, O., Käpylä, P. J., Kleeorin, N., Mantere, M. J. & Rogachevskii, I., ApJ, 762, 127
  2. Oscillatory large-scale dynamos from Cartesian convection simulations [21]
    Käpylä, P. J., Mantere, M. J. & Brandenburg, A., Geophysical and Astrophysical Fluid Dynamics, 107, 244
  3. Flux concentrations in turbulent convection [3]
    Käpylä, Petri J., Brandenburg, Axel, Kleeorin, Nathan, Mantere, Maarit J. & Rogachevskii, Igor, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 283
  4. Effects of Enhanced Stratification on Equatorward Dynamo Wave Propagation [93]
    Käpylä, Petri J., Mantere, Maarit J., Cole, Elizabeth, Warnecke, Jörn & Brandenburg, Axel, ApJ, 778, 41
  5. Role of longitudinal activity complexes for solar and stellar dynamos [5]
    Mantere, Maarit J., Käpylä, Petri J. & Pelt, Jaan, Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 175
  6. Solar-like differential rotation and equatorward migration in a convective dynamo with a coronal envelope [3]
    Warnecke, J., Käpylä, P. J., Mantere, M. J. & Brandenburg, A., Solar and Astrophysical Dynamos and Magnetic Activity (Editors: Kosovichev, Alexander G., de Gouveia Dal Pino, Elisabete & Yan, Yihua), IAU Symposium, 294, p. 307
  7. Spoke-like Differential Rotation in a Convective Dynamo with a Coronal Envelope [44]
    Warnecke, Jörn, Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, ApJ, 778, 141

2012

  1. Negative effective magnetic pressure in turbulent convection [36]
    Käpylä, P. J., Brandenburg, A., Kleeorin, N., Mantere, M. J. & Rogachevskii, I., MNRAS, 422, 2465
  2. Cyclic Magnetic Activity due to Turbulent Convection in Spherical Wedge Geometry [161]
    Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, ApJ, 755, L22
  3. Testing turbulent closure models with convection simulations [0]
    Snellman, J. E., Käpylä, P. J., Käpylä, M. J., Rheinhardt, M. & Dintrans, B., arXiv:1209.4923
  4. Mean-field closure parameters for passive scalar turbulence [4]
    Snellman, J. E., Rheinhardt, M., Käpylä, P. J., Mantere, M. J. & Brandenburg, A., Physica Scripta, 86, 018406
  5. Verification of Reynolds stress parameterizations from simulations [5]
    Snellman, J. E., Brandenburg, A., Käpylä, P. J. & Mantere, M. J., Astronomische Nachrichten, 333, 78
  6. Coronal ejections from convective spherical shell dynamos [1]
    Warnecke, J., Käpylä, P. J., Mantere, M. J. & Brandenburg, A., Comparative Magnetic Minima: Characterizing Quiet Times in the Sun and Stars (Editors: Mandrini, Cristina H. & Webb, David F.), IAU Symposium, 286, p. 154
  7. Ejections of Magnetic Structures Above a Spherical Wedge Driven by a Convective Dynamo with Differential Rotation [25]
    Warnecke, Jörn, Käpylä, Petri J., Mantere, Maarit J. & Brandenburg, Axel, Solar Physics, 280, 299

2011

  1. From convective to stellar dynamos [2]
    Brandenburg, Axel, Käpylä, Petri J. & Korpi, Maarit J., Astrophysical Dynamics: From Stars to Galaxies (Editors: Brummell, Nicholas H., Brun, A. Sacha, Miesch, Mark S. & Ponty, Yannick), IAU Symposium, 271, p. 279
  2. Turbulence and magnetic spots at the surface of hot massive stars [4]
    Cantiello, Matteo, Braithwaite, Jonathan, Brandenburg, Axel, Del Sordo, Fabio, Käpylä, Petri & Langer, Norbert, Physics of Sun and Star Spots (Editors: Prasad Choudhary, Debi & Strassmeier, Klaus G.), IAU Symposium, 273, p. 200
  3. 3D MHD simulations of subsurface convection in OB stars [23]
    Cantiello, Matteo, Braithwaite, Jonathan, Brandenburg, Axel, Del Sordo, Fabio, Käpylä, Petri & Langer, Norbert, Active OB Stars: Structure, Evolution, Mass Loss, and Critical Limits (Editors: Neiner, Coralie, Wade, Gregg, Meynet, Georges & Peters, Geraldine), IAU Symposium, 272, p. 32
  4. Dynamo action and magnetic buoyancy in convection simulations with vertical shear [35]
    Guerrero, G. & Käpylä, P. J., A&A, 533, A40
  5. Dynamo action and magnetic buoyancy in convection simulations with vertical shear [0]
    Guerrero, G. & Käpylä, P., SDO-3: Solar Dynamics and Magnetism from the Interior to the Atmosphere (Editors: Pesnell, W. Dean & Thompson, Barbara), p. 62
  6. Reynolds stress and heat flux in spherical shell convection [82]
    Käpylä, P. J., Mantere, M. J., Guerrero, G., Brandenburg, A. & Chatterjee, P., A&A, 531, A162
  7. Magnetorotational instability driven dynamos at low magnetic Prandtl numbers [49]
    Käpylä, P. J. & Korpi, M. J., MNRAS, 413, 901
  8. Effects of stratification in spherical shell convection [39]
    Käpylä, P. J., Mantere, M. J. & Brandenburg, A., Astronomische Nachrichten, 332, 883
  9. On global solar dynamo simulations [15]
    Käpylä, P. J., Astronomische Nachrichten, 332, 43
  10. Starspots due to Large-scale Vortices in Rotating Turbulent Convection [43]
    Käpylä, Petri J., Mantere, Maarit J. & Hackman, Thomas, ApJ, 742, 34
  11. Dependence of the large-scale vortex instability on latitude, stratification, and domain size [19]
    Mantere, M. J., Käpylä, P. J. & Hackman, T., Astronomische Nachrichten, 332, 876
  12. Pumping velocity in homogeneous helical turbulence with shear [26]
    Rogachevskii, Igor, Kleeorin, Nathan, Käpylä, Petri J. & Brandenburg, Axel, Physical Review E, 84, 056314

2010

  1. Turbulent transport in hydromagnetic flows [13]
    Brandenburg, A., Chatterjee, P., Del Sordo, F., Hubbard, A., Käpylä, P. J. & Rheinhardt, M., Physica Scripta Volume T, 142, 014028
  2. Influence of Ohmic diffusion on the excitation and dynamics of MRI [14]
    Korpi, M. J., Käpylä, P. J. & Väisälä, M. S., Astronomische Nachrichten, 331, 34
  3. Open and closed boundaries in large-scale convective dynamos [25]
    Käpylä, P. J., Korpi, M. J. & Brandenburg, A., A&A, 518, A22
  4. The α effect in rotating convection with sinusoidal shear [24]
    Käpylä, P. J., Korpi, M. J. & Brandenburg, A., MNRAS, 402, 1458
  5. Convective dynamos in spherical wedge geometry [79]
    Käpylä, P. J., Korpi, M. J., Brandenburg, A., Mitra, D. & Tavakol, R., Astronomische Nachrichten, 331, 73
  6. Angular Momentum Transport in Convectively Unstable Shear Flows [11]
    Käpylä, Petri J., Brandenburg, Axel, Korpi, Maarit J., Snellman, Jan E. & Narayan, Ramesh, ApJ, 719, 67
  7. Oscillatory migratory large-scale fields in mean-field and direct simulations [0]
    Mitra, Dhrubaditya, Tavakol, Reza, Brandenburg, Axel & Käpylä, Petri J., Solar and Stellar Variability: Impact on Earth and Planets (Editors: Kosovichev, Alexander G., Andrei, Alexandre H. & Rozelot, Jean-Pierre), IAU Symposium, 264, p. 197
  8. Oscillatory Migrating Magnetic Fields in Helical Turbulence in Spherical Domains [52]
    Mitra, Dhrubaditya, Tavakol, Reza, Käpylä, Petri J. & Brandenburg, Axel, ApJ, 719, L1

2009

  1. The α effect with imposed and dynamo-generated magnetic fields [28]
    Hubbard, A., Del Sordo, F., Käpylä, P. J. & Brandenburg, A., MNRAS, 398, 1891
  2. Alpha effect and turbulent diffusion from convection [82]
    Käpylä, P. J., Korpi, M. J. & Brandenburg, A., A&A, 500, 633
  3. Large-scale Dynamos in Rigidly Rotating Turbulent Convection [47]
    Käpylä, Petri J., Korpi, Maarit J. & Brandenburg, Axel, ApJ, 697, 1153
  4. Numerical study of large-scale vorticity generation in shear-flow turbulence [28]
    Käpylä, Petri J., Mitra, Dhrubaditya & Brandenburg, Axel, Physical Review E, 79, 016302
  5. Turbulent Dynamos with Shear and Fractional Helicity [49]
    Käpylä, Petri J. & Brandenburg, Axel, ApJ, 699, 1059
  6. Turbulent stresses as a function of shear rate in a local disk model [16]
    Liljeström, A. J., Korpi, M. J., Käpylä, P. J., Brandenburg, A. & Lyra, W., Astronomische Nachrichten, 330, 92
  7. Alpha effect and diffusivity in helical turbulence with shear [37]
    Mitra, D., Käpylä, P. J., Tavakol, R. & Brandenburg, A., A&A, 495, 1
  8. Reynolds stresses from hydrodynamic turbulence with shear and rotation [21]
    Snellman, J. E., Käpylä, P. J., Korpi, M. J. & Liljeström, A. J., A&A, 505, 955
  9. Stellar nonlinear dynamos: observations and modelling [0]
    Tuominen, Ilkka, Korpi, Maarit J., Käpylä, Petri J., Lindborg, Marjaana & Ilyin, Ilya, Cosmic Magnetic Fields: From Planets, to Stars and Galaxies (Editors: Strassmeier, Klaus G., Kosovichev, Alexander G. & Beckman, John E.), IAU Symposium, 259, p. 417

2008

  1. Magnetic Diffusivity Tensor and Dynamo Effects in Rotating and Shearing Turbulence [141]
    Brandenburg, A., Rädler, K. -H., Rheinhardt, M. & Käpylä, P. J., ApJ, 676, 740
  2. A solar mean field dynamo benchmark [103]
    Jouve, L., Brun, A. S., Arlt, R., Brandenburg, A., Dikpati, M., Bonanno, A., Käpylä, P. J., Moss, D., Rempel, M., Gilman, P., Korpi, M. J. & Kosovichev, A. G., A&A, 483, 949
  3. Large-scale dynamos in turbulent convection with shear [114]
    Käpylä, P. J., Korpi, M. J. & Brandenburg, A., A&A, 491, 353
  4. Lambda effect from forced turbulence simulations [22]
    Käpylä, P. J. & Brandenburg, A., A&A, 488, 9

2007

  1. Magnetic helicity effects in astrophysical and laboratory dynamos [28]
    Brandenburg, A. & Käpylä, P. J., New Journal of Physics, 9, 305
  2. The helicity constraint in spherical shell dynamos [10]
    Brandenburg, A., Käpylä, P. J., Mitra, D., Moss, D. & Tavakol, R., Astronomische Nachrichten, 328, 1118
  3. Turbulent viscosity and Λ-effect from numerical turbulence models [6]
    Käpylä, P. J. & Brandenburg, A., Astronomische Nachrichten, 328, 1006
  4. Effects of rotation and input energy flux on convective overshooting [8]
    Käpylä, Petri J., Korpi, M. J., Stix, M. & Tuominen, I., Convection in Astrophysics (Editors: Kupka, Friedrich, Roxburgh, Ian & Chan, Kwing Lam), IAU Symposium, 239, p. 437

2006

  1. Reynolds stresses and meridional circulation from rotating cylinder simulations [6]
    Hupfer, C., Käpylä, P. J. & Stix, M., A&A, 459, 935
  2. Solar dynamo models with α-effect and turbulent pumping from local 3D convection calculations [55]
    Käpylä, P. J., Korpi, M. J. & Tuominen, I., Astronomische Nachrichten, 327, 884
  3. Magnetoconvection and dynamo coefficients. III. α-effect and magnetic pumping in the rapid rotation regime [66]
    Käpylä, P. J., Korpi, M. J., Ossendrijver, M. & Stix, M., A&A, 455, 401
  4. Local models of stellar convection. III. The Strouhal number [6]
    Käpylä, P. J., Korpi, M. J., Ossendrijver, M. & Tuominen, I., A&A, 448, 433
  5. Transport coefficients for solar and stellar dynamos [0]
    Ossendrijver, M. & Käpylä, P. J., Solar Activity and its Magnetic Origin (Editors: Bothmer, Volker & Hady, Ahmed Abdel), IAU Symposium, 233, p. 3

2005

  1. Connection between active longitudes and magnetic helicity [1]
    Brandenburg, A. & Käpylä, P. J., astro-ph/0512639
  2. The problem of small and large scale fields in the solar dynamo [18]
    Brandenburg, A., Haugen, N. E. L., Käpylä, P. J. & Sandin, C., Astronomische Nachrichten, 326, 174
  3. Reynolds stresses - dependence on latitude [7]
    Hupfer, C., Käpylä, P. & Stix, M., Astronomische Nachrichten, 326, 223
  4. Estimates of the Strouhal number from numerical models of convection [5]
    Käpylä, P. J., Korpi, M. J., Ossendrijver, M. & Tuominen, I., Astronomische Nachrichten, 326, 186
  5. Local models of stellar convection. II. Rotation dependence of the mixing length relations [20]
    Käpylä, P. J., Korpi, M. J., Stix, M. & Tuominen, I., A&A, 438, 403

2004

  1. Passive scalar diffusion as a damped wave [0]
    Brandenburg, Axel, Käpylä, Petri & Mohammed, Amjed, physics/0404118
  2. Non-Fickian diffusion and tau approximation from numerical turbulence [85]
    Brandenburg, Axel, Käpylä, Petri J. & Mohammed, Amjed, Physics of Fluids, 16, 1020
  3. Helical coronal ejections and their role in the solar cycle [3]
    Brandenburg, Axel, Sandin, Christer & Käpylä, Petri J., Multi-Wavelength Investigations of Solar Activity (Editors: Stepanov, Alexander V., Benevolenskaya, Elena E. & Kosovichev, Alexander G.), IAU Symposium, 223, p. 57
  4. Local models of stellar convection:. Reynolds stresses and turbulent heat transport [62]
    Käpylä, P. J., Korpi, M. J. & Tuominen, I., A&A, 422, 793

2003

  1. What can we learn from Local Convection Simulations in the Context of mean Field Models of Stellar Rotation and Magnetism? [0]
    Käpylä, Petri J., Korpi, Maarit J., Ossendrijver, Mathieu & Stix, Michael, Astronomische Nachrichten Supplement, 324, 63

Created on Thu May 22 04:35:30 2025.