Advances in Mathematics Research by Albert R. Baswell

By Albert R. Baswell

Advances in arithmetic learn provides unique learn effects at the cutting edge of arithmetic study. every one article has been rigorously chosen in an try to current tremendous study effects throughout a wide spectrum.

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We note the system is solved for ions and electrons, but the response of the ions at t=60 is still negligible. In the conclusion of this section 2 , we stress the importance of the cubic spline and the good performance of the interpolation technique, having low numerical diffusion and dispersion and high accuracy. We also note the numerical stability of the numerical code. 3. Problems Involving the Interpolation along the Characteristic Curves in Two Dimensions The problems studied in section 2 for the Vlasov equation dealt essentially with the fractional step methods where the interpolation along the characteristic curves was carried out in 1D using a cubic spline.

These equations are also the simplest form for the gyro-kinetic or drift-kinetic Vlasov equation, when the kinetic motion along the magnetic field is taken into account and is coupled to the guidingcenter motion across the magnetic field, as for instance in the case when the magnetic field is slightly tilted with respect to e z [32-38,61]. 2) is solved on a rectangular domain L x × L y . Periodic boundary conditions are used in the y direction, and Dirichlet boundary conditions are used in the x direction with φ ( x = 0, L x , y ) = 0 , ρ ( x = 0, L x , y ) = 0 .

7)). (38) in the contours of the magnetic flux a magnetic island generated and growing in the linear phase and early non-linear phase, in which the process exhibit a quasi-explosive behaviour. In the full nonlinear regime, equilibrium is reached, the island growth saturates and remains more or less unchanged. The The Method of Characteristics for the Numerical Solution… Figure 42. Stream function. ϕ . Figure 43. Stream function ϕ . Figure 44. φ+ at t=30. 51 52 M. Shoucri Figure 45. Current J at t =30.

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