Fig. 6

2D chemical wave profiles depicting solutions of \(\Phi (\chi ,\tau )\) and \(\Psi (\chi ,\tau )\) for Problem 2 at \(\chi =5\), \(\xi =2\), \(\zeta =2\).

2D chemical wave profiles depicting solutions of \(\Phi (\chi ,\tau )\) and \(\Psi (\chi ,\tau )\) for Problem 2 at \(\chi =5\), \(\xi =2\), \(\zeta =2\).