Kriging Surrogate Models for Predicting the Complex Eigenvalues of Mechanical Systems Subjected to Friction-Induced Vibration

Figure 8

Evolution of the quadratic mean error and the standard deviation error versus the size of the experimental design on real (a, b) and imaginary (c, d) parts of each eigenvalue for configurations 1 (a, c) and 2 (b, d).

(a)

(b)

(c)

(d)