In this paper we describe our group efforts to develop a self-consistent, data-drivenmodel of the solar wind (SW) interaction with the local interstellar medium. The motion of plasma in this model is described with the MHD approach, while the transport of neutral atoms is addressed by either kinetic or multi-fluid equations. The model and its implementation in the Multi-Scale Fluid-Kinetic Simulation Suite (MS-FLUKSS) are continuously tested and validated by comparing our results with other models and spacecraft measurements. In particular, it was successfully applied to explain an unusual SW behavior discovered by the Voyager 1 spacecraft, i.e., the development of a substantial negative radial velocity component, flow turning in the transverse direction, while the latitudinal velocity component goes to very small values. We explain recent SW velocity measurements at Voyager 1 in the context of our 3-D, MHD modeling. We also present a comparison of different turbulence models in their ability to reproduce the SW temperature profile from Voyager 2 measurements. The boundary conditions obtained at 50 solar radii from data-driven numerical simulations are used to model a CME event throughout the heliosphere.
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20 November 2012
SPACE WEATHER: THE SPACE RADIATION ENVIRONMENT: 11th Annual International Astrophysics Conference
19–23 March 2012
Palm Springs, CA, USA
Research Article|
November 20 2012
Numerical modeling of the solar wind flow with observational boundary conditions
N. V. Pogorelov;
N. V. Pogorelov
Physics Department and Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35805,
USA
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S. N. Borovikov;
S. N. Borovikov
Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35805,
USA
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L. F. Burlaga;
L. F. Burlaga
NASA Goddard Space Flight Center, Greenbelt, MD 20771,
USA
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R. W. Ebert;
R. W. Ebert
Southwest Research Institute, San Antonio, TX 78238,
USA
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J. Heerikhuisen;
J. Heerikhuisen
Physics Department and Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35805,
USA
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T. K. Kim;
T. K. Kim
Physics Department, University of Alabama in Huntsville, Huntsville, AL 35805,
USA
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I. A. Kryukov;
I. A. Kryukov
Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35805, USA and Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, 119526,
Russia
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S. T. Suess;
S. T. Suess
NSSTC, 320 Sparkman Dr., Huntsville, AL 35805,
USA
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S. T. Wu;
S. T. Wu
Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35805,
USA
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G. P. Zank
G. P. Zank
Physics Department and Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35805,
USA
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N. V. Pogorelov
S. N. Borovikov
L. F. Burlaga
R. W. Ebert
J. Heerikhuisen
T. K. Kim
I. A. Kryukov
S. T. Suess
S. T. Wu
G. P. Zank
Physics Department and Center for Space Plasma and Aeronomic Research, University of Alabama in Huntsville, Huntsville, AL 35805,
USA
AIP Conf. Proc. 1500, 134–139 (2012)
Citation
N. V. Pogorelov, S. N. Borovikov, L. F. Burlaga, R. W. Ebert, J. Heerikhuisen, T. K. Kim, I. A. Kryukov, S. T. Suess, S. T. Wu, G. P. Zank; Numerical modeling of the solar wind flow with observational boundary conditions. AIP Conf. Proc. 20 November 2012; 1500 (1): 134–139. https://doi.org/10.1063/1.4768756
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