peteroznewman
Subscriber

Use a Modal Analysis.  Mesh the beam.  Make sure the Material Properties include Density.

Under Analysis Settings change the default Number of Modes to calculate to 10 or higher and hit Solve.  The first 6 modes will have a frequency that is practically zero and mode 7 will be the first bending mode. You can examine the first 4 bending modes if you request 10 modes.