The ultimate purpose of these complex dynamic models is to design a robust control system. The simulation environment allows engineers to test "Notch Filters" and "Bending Filters." These are control algorithms designed to filter out the specific frequencies of the structural bending modes so that
The "art" of flexible rocket simulation lies in combining the dry structure FEM with separate dynamic elements. Propellant Sloshing dynamics and simulation of flexible rockets pdf
For those interested in learning more about the dynamics and simulation of flexible rockets, there are several resources available, including: The ultimate purpose of these complex dynamic models
: To manage these interactions, engineers use filters: Notch Filters : Attenuate specific structural frequencies. [ \beginbmatrix M_RR & M_RF \ M_FR &
[ \beginbmatrix M_RR & M_RF \ M_FR & I \endbmatrix \beginbmatrix \ddotq_R \ \ddot\eta \endbmatrix + \beginbmatrix 0 & 0 \ 0 & 2\zeta_i \omega_i \endbmatrix \beginbmatrix \dotq_R \ \dot\eta \endbmatrix + \beginbmatrix 0 & 0 \ 0 & \omega_i^2 \endbmatrix \beginbmatrix q_R \ \eta \endbmatrix