Hybrid Stochastic Finite Element Method for Mechanical Vibration Problems

Figure 6

Case B: energies of the spectral components of the eigenfunction in the case of the collocation grid. Dashed line: algebraic convergence rates of −3.8 and −3.3 for the norm and seminorm, respectively. Plotmarkers: sorted means of the energies in -scale.

(a) energies

(b) energies