Although a very specialized field, the ultimate operational success of existing or planned rotating machinery is highly dependent on a proper rotor dynamics analysis. Types of calculations we routinely perform include:
Lateral, torsional, and axial motion (full 6 degrees-of-freedom)
Damped natural frequencies
whirl maps
stability (log dec)
mode shapes (see picture)
strain energy
Forced response
steady-state & transient
maneuvers
linear and non-linear supports
internal loads & stresses
displacements & support loads
rotor deflected shapes
polar deflections
orbits & FFTs
Results from the calculations are displayed in graphical formats for easy interpretation. We routinely make complete multi-shaft power train models for an entire system analysis. This eliminates assumptions about coupling effects and provides very accurate overall response calculations.
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