Zobrazeno 1 - 10
of 3 418
pro vyhledávání: '"Zonca., A."'
Long-time series of neuronal recordings are resulting from the activity of connected neuronal networks. Yet how neuronal properties can be extracted remains empirical. We review here the data analysis based on network models to recover physiological
Externí odkaz:
http://arxiv.org/abs/2411.00545
Autor:
Lu, Zhixin, Meng, Guo, Sonnendrücker, Eric, Hatzky, Roman, Mishchenko, Alexey, Zonca, Fulvio, Lauber, Philipp, Hoelzl, Matthias
This paper presents a novel approach for simulating plasma instabilities in tokamak plasmas using the piecewise field-aligned finite element method in combination with the particle-in-cell method. Our method traditionally aligns the computational gri
Externí odkaz:
http://arxiv.org/abs/2410.23981
Autor:
Lu, Zhixin, Meng, Guo, Hatzky, Roman, Sonnendrücker, Eric, Mishchenko, Alexey, Chen, Jin, Lauber, Philipp, Zonca, Fulvio, Hoelzl, Matthias
The triangular mesh-based gyrokinetic scheme enables comprehensive axis-to-edge studies across the entire plasma volume. Our approach employs triangular finite elements with first-derivative continuity (C1), building on previous work to facilitate gy
Externí odkaz:
http://arxiv.org/abs/2410.03928
The indirect nonlinear interactions between toroidal Alfv\'en eigenmode (TAE) and ion temperature gradient mode (ITG) are investigated using nonlinear gyrokinetic theory and ballooning mode formalism. More specifically, the local nonlinear ITG mode e
Externí odkaz:
http://arxiv.org/abs/2408.15782
The self-consistent nonlinear interaction of drift wave (DW) and zonal flow (ZF) is investigated using nonlinear gyrokinetic theory, with both spontaneous excitation and beat-driven of ZF by DW treated on the same footing. DW solitons are formed in t
Externí odkaz:
http://arxiv.org/abs/2408.05983
In some fields, scientific data formats differ across experiments due to specialized hardware and data acquisition systems. Researchers need to develop, document, and maintain experiment-specific analysis software to interact with these data formats.
Externí odkaz:
http://arxiv.org/abs/2407.14461
A workflow is developed based on the ideal MHD model to investigate the linear physics of various Alfv\'en eigenmodes in general axisymmetric toroidal geometry, by solving the coupled shear Alfv\'en wave (SAW) and ion sound wave (ISW) equations in ba
Externí odkaz:
http://arxiv.org/abs/2404.06296
Using the slab plasma as a paradigm model, we have derived analytically equations for the nonlinear generation of zero-frequency zonal flows by electron drift waves including, on the same footing, both the beat-driven and spontaneous excitations. It
Externí odkaz:
http://arxiv.org/abs/2402.07399
In this work, gyrokinetic theory of drift waves (DWs) self-regulation via the forced driven zonal flow (ZF) is presented, and finite diamagnetic drift frequency due to plasma nonuniformity is shown to play dominant role in ZF forced generation. The o
Externí odkaz:
http://arxiv.org/abs/2402.07390
Autor:
Brochard, G., Liu, C., Wei, X., Heidbrink, W., Lin, Z., Falessi, M. V., Zonca, F., Qiu, Z., Gorelenkov, N., Chrystal, C., Du, X., Bao, J., Polevoi, A. R., Schneider, M., Kim, S. H., Pinches, S. D., Liu, P., Nicolau, J. H., Lütjens, H., group, the ISEP
Gyrokinetic and kinetic-MHD simulations are performed for the fishbone instability in the DIII-D discharge #178631, chosen for validation of first-principles simulations to predict the energetic particle (EP) transport in an ITER prefusion baseline s
Externí odkaz:
http://arxiv.org/abs/2402.03797