Figure 20

3D-view of the impact \(\xi _{a}\) \(f({\eta} )\) and \(f'({\eta} )\) for fixed values of \(\xi _{a} = 2\), \(\xi _{s} = 0.1\), \(\xi _{z} = 0.5\), \(\xi _{em} = 1\), \(\xi _{pr} = 1\), \(\xi _{hm} = 10\), \(\xi _{pm} = 1\), \(\xi _{sm} = 1\), \(\xi _{ec} = 0.1\), \(\xi _{v} = 0.1\) and \(S = 1\).