Implementation and verification of a model linearized multi-species collision operator in the Cogent code. (English) Zbl 07723500
Summary: We implement the multi-species linearized model collision operator, based on the approach proposed by Kolesnikov [1], in the full-f continuum gyrokinetic code COGENT [2]. We describe the operator and use it in several COGENT simulations of highly collisional plasmas. We analyze simulation results with the Braginskii fluid model [3] to illustrate that COGENT recovers both friction and thermal forces. Finally, we simulate the neoclassical transport of heavy impurities with COGENT and illustrate agreement with previously published [4] theoretical results.
MSC:
| 76Mxx | Basic methods in fluid mechanics |
| 76X05 | Ionized gas flow in electromagnetic fields; plasmic flow |
| 82D10 | Statistical mechanics of plasmas |
Software:
COGENTReferences:
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