A Conservative Scheme for Vlasov Poisson Landau modeling collisional plasmas
We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are o...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhang, Chenglong [verfasserIn] |
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Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Journal of computational physics - Amsterdam : Elsevier, 1966, (2016) |
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year:2016 |
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| DOI / URN: |
10.1016/j.jcp.2017.03.046 |
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| 520 | |a We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. | ||
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10.1016/j.jcp.2017.03.046 doi PQ20171125 (DE-627)OLC1994268980 (DE-599)GBVOLC1994268980 (PRQ)a742-984fd1128ea72dc6510043924d3c1b695219d78800f6785a97010c639390c9d0 (KEY)0034221120160000000000000000conservativeschemeforvlasovpoissonlandaumodelingco DE-627 ger DE-627 rakwb eng 530 510 000 DE-600 Zhang, Chenglong verfasserin aut A Conservative Scheme for Vlasov Poisson Landau modeling collisional plasmas 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. Physics Computational Physics Gamba, Irene M oth Enthalten in Journal of computational physics Amsterdam : Elsevier, 1966 (2016) (DE-627)129359084 (DE-600)160508-2 (DE-576)014731401 0021-9991 nnns year:2016 http://dx.doi.org/10.1016/j.jcp.2017.03.046 Volltext http://arxiv.org/abs/1605.05787 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_21 GBV_ILN_70 AR 2016 |
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10.1016/j.jcp.2017.03.046 doi PQ20171125 (DE-627)OLC1994268980 (DE-599)GBVOLC1994268980 (PRQ)a742-984fd1128ea72dc6510043924d3c1b695219d78800f6785a97010c639390c9d0 (KEY)0034221120160000000000000000conservativeschemeforvlasovpoissonlandaumodelingco DE-627 ger DE-627 rakwb eng 530 510 000 DE-600 Zhang, Chenglong verfasserin aut A Conservative Scheme for Vlasov Poisson Landau modeling collisional plasmas 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. Physics Computational Physics Gamba, Irene M oth Enthalten in Journal of computational physics Amsterdam : Elsevier, 1966 (2016) (DE-627)129359084 (DE-600)160508-2 (DE-576)014731401 0021-9991 nnns year:2016 http://dx.doi.org/10.1016/j.jcp.2017.03.046 Volltext http://arxiv.org/abs/1605.05787 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_21 GBV_ILN_70 AR 2016 |
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10.1016/j.jcp.2017.03.046 doi PQ20171125 (DE-627)OLC1994268980 (DE-599)GBVOLC1994268980 (PRQ)a742-984fd1128ea72dc6510043924d3c1b695219d78800f6785a97010c639390c9d0 (KEY)0034221120160000000000000000conservativeschemeforvlasovpoissonlandaumodelingco DE-627 ger DE-627 rakwb eng 530 510 000 DE-600 Zhang, Chenglong verfasserin aut A Conservative Scheme for Vlasov Poisson Landau modeling collisional plasmas 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. Physics Computational Physics Gamba, Irene M oth Enthalten in Journal of computational physics Amsterdam : Elsevier, 1966 (2016) (DE-627)129359084 (DE-600)160508-2 (DE-576)014731401 0021-9991 nnns year:2016 http://dx.doi.org/10.1016/j.jcp.2017.03.046 Volltext http://arxiv.org/abs/1605.05787 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_21 GBV_ILN_70 AR 2016 |
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10.1016/j.jcp.2017.03.046 doi PQ20171125 (DE-627)OLC1994268980 (DE-599)GBVOLC1994268980 (PRQ)a742-984fd1128ea72dc6510043924d3c1b695219d78800f6785a97010c639390c9d0 (KEY)0034221120160000000000000000conservativeschemeforvlasovpoissonlandaumodelingco DE-627 ger DE-627 rakwb eng 530 510 000 DE-600 Zhang, Chenglong verfasserin aut A Conservative Scheme for Vlasov Poisson Landau modeling collisional plasmas 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. Physics Computational Physics Gamba, Irene M oth Enthalten in Journal of computational physics Amsterdam : Elsevier, 1966 (2016) (DE-627)129359084 (DE-600)160508-2 (DE-576)014731401 0021-9991 nnns year:2016 http://dx.doi.org/10.1016/j.jcp.2017.03.046 Volltext http://arxiv.org/abs/1605.05787 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_21 GBV_ILN_70 AR 2016 |
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10.1016/j.jcp.2017.03.046 doi PQ20171125 (DE-627)OLC1994268980 (DE-599)GBVOLC1994268980 (PRQ)a742-984fd1128ea72dc6510043924d3c1b695219d78800f6785a97010c639390c9d0 (KEY)0034221120160000000000000000conservativeschemeforvlasovpoissonlandaumodelingco DE-627 ger DE-627 rakwb eng 530 510 000 DE-600 Zhang, Chenglong verfasserin aut A Conservative Scheme for Vlasov Poisson Landau modeling collisional plasmas 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. Physics Computational Physics Gamba, Irene M oth Enthalten in Journal of computational physics Amsterdam : Elsevier, 1966 (2016) (DE-627)129359084 (DE-600)160508-2 (DE-576)014731401 0021-9991 nnns year:2016 http://dx.doi.org/10.1016/j.jcp.2017.03.046 Volltext http://arxiv.org/abs/1605.05787 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_21 GBV_ILN_70 AR 2016 |
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We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. |
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We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. |
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We have developed a deterministic conservative solver for the inhomogeneous Fokker-Planck-Landau equation coupled with the Poisson equation, which is a {classical mean-field} primary model for collisional plasmas. Two subproblems, i.e. the Vlasov-Poisson problem and homogeneous Landau problem, are obtained through time-splitting methods, and treated separately by the Runge-Kutta Discontinuous Galerkin method and a conservative spectral method, respectively. To ensure conservation when projecting between the two different computing grids, a special conservation routine is designed to link the solutions of these two subproblems. This conservation routine accurately enforces conservation of moments in Fourier space. The entire numerical scheme is implemented with parallelization with hybrid MPI and OpenMP. Numerical experiments are provided to study linear and nonlinear Landau Damping problems and two-stream flow problem as well. |
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