Long-Time Predictive Modeling of Nonlinear Dynamical Systems Using Neural Networks

Figure 16

Flow in a cylinder wake. Comparison of eigenvalue of the Jacobian between regularized and basic model on training data. (a, b) Maximal real eigenvalue. (c, d) Maximal imaginary eigenvalue. (a, c) A priori. (b, d) A posteriori.

(a)

(b)

(c)

(d)