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CUTIE: Difference between revisions
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CUTIE is a quasi-neutral two-fluid computer model for turbulence in a toroidal plasma. | CUTIE is a quasi-neutral two-fluid computer model for turbulence in a toroidal plasma. | ||
<ref>[ | <ref>A. Thyagaraja, ''Numerical simulations of tokamak plasma turbulence and internal transport barriers'', [[doi:10.1088/0741-3335/42/12B/320|Plasma Phys. Control. Fusion '''42''' (2000) B255]]</ref> | ||
<ref>[ | <ref>A. Thyagaraja, P.J. Knight, and N. Loureiro, ''Mesoscale plasma dynamics, transport barriers and zonal flows: simulations and paradigms'', [[doi:10.1016/j.euromechflu.2003.10.009|Eur. Journal of Mech. B/Fluids '''23''' (2004) 475]]</ref> | ||
<ref> | <ref>M.R. de Baar, A. Thyagaraja, G.M.D. Hogeweij, P.J. Knight, and E. Min, ''Global Plasma Turbulence Simulations of q=3 Sawtoothlike Events in the RTP Tokamak'', [[doi:10.1103/PhysRevLett.94.035002|Phys. Rev. Lett. '''94''' (2005) 035002]]</ref> | ||
<ref name="cutie"> | <ref name="cutie">A. Thyagaraja, P.J. Knight, M.R. de Baar, G.M.D. Hogeweij, and E. Min, ''Profile-turbulence interactions, magnetohydrodynamic relaxations, and transport in tokamaks'', [[doi:10.1063/1.2034387|Phys. Plasmas '''12''' (2005) 090907]]</ref> | ||
The large aspect ratio tokamak ordering is used (''R/a >> 1''), and ''B<sub>p</sub> << B<sub>tor</sub>, β << 1''. | The large aspect ratio tokamak ordering is used (''R/a >> 1''), and ''B<sub>p</sub> << B<sub>tor</sub>, β << 1''. | ||
The plasma modelled consists of electrons and a single ion species. | The plasma modelled consists of electrons and a single ion species. | ||
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electron and ion temperatures (''T<sub>e</sub>, T<sub>i</sub>''), the ion fluid velocty (''v''), | electron and ion temperatures (''T<sub>e</sub>, T<sub>i</sub>''), the ion fluid velocty (''v''), | ||
the electrostatic potential (Φ) and the parallel vector potential (Ψ). | the electrostatic potential (Φ) and the parallel vector potential (Ψ). | ||
The poloidal magnetic field (and consequently the safety factor, ''q'') evolves in time. | The poloidal magnetic field (and consequently the [[Rotational transform|safety factor]], ''q'') evolves in time. | ||
[[File:CUTIE.jpg|265px|thumb|right|Density | [[File:CUTIE.jpg|265px|thumb|right|Density fluctuations in a CUTIE simulation (from <ref name="cutie"/>)]] | ||
The code solves the evolution on the meso-scale level (larger than the ion gyroradius), co-evolving the [[Flux surface|flux surface]] averaged quantities and the turbulence in a self-consistent manner; | The code solves the evolution on the meso-scale level (larger than the ion gyroradius), co-evolving the [[Flux surface|flux surface]] averaged quantities and the turbulence in a self-consistent manner; | ||
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== References == | == References == | ||
<references /> | <references /> | ||
[[Category:Software]] | |||