Vibrational Modal Frequencies and Shapes of Two-Span Continuous Timber Flooring Systems

Table 2

Frequency equations for two-span beams with various end support conditions.

Boundary conditions		Control equations
Free-free
Free-sliding
Free-pinned
Free-fixed
Sliding-free
Sliding-sliding
Sliding-pinned
Sliding-fixed
Pinned-free
Pinned-sliding
Pinned-pinned
Pinned-fixed
Fixed-free
Fixed-sliding
Fixed-pinned
Fixed-fixed