Fig. 5

2D chemical wave profiles depicting solutions of \(\Phi (\chi ,\tau )\) and \(\Psi (\chi ,\tau )\) for Problem 1 at \(\chi =3\), \(\xi =2\), \(\zeta =3\).

2D chemical wave profiles depicting solutions of \(\Phi (\chi ,\tau )\) and \(\Psi (\chi ,\tau )\) for Problem 1 at \(\chi =3\), \(\xi =2\), \(\zeta =3\).