Table 2: Table of parameters for numerical simulations Figs. 8-16.
Parameter Value  
$\kappa_{0}$ $4.0\times10^{7}$ a constant parameter
$\kappa_{1}$ $1.0\times10^{-2}$ a constant parameter
$\kappa_{2}$ $2.0\times10^{11}$ a constant parameter
$\hat{\zeta}(\xi_{i})$ $1.0\times10^{-6}$ initial $\hat{\zeta}$ value at $\xi_{i}$
$\hat{\beta}(\xi_{i})$ $1.0\times10^{-6}$ initial $\hat{\beta}$ value at $\xi_{i}$
$\xi_{i}$ 500 initial $\xi $ value
$m_{\max}$ 3001 number of spatial points
d$\Xi$ $1.60075\times10^{-7}$ spatial mesh increment
A0 0.7 perturbation amplitude, $\Delta/\Sigma_{0}$
$\varsigma$ 400 half-width of initial perturbation
$\lambda$ 5.0 gaussian coefficient
m0 1500 centre of perturbation
d$\tau $ $7.5\times10^{-7}$ temporal mesh increment
$n_{\max}$ 2000 number of time steps

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