Helical spring shear stress with Wahl factor

Calculates simplified stiffness of a cylindrical helical spring.

Calculates spring index and Wahl factor from coil geometry.

Calculates available travel from free length, solid height, and required clearance.

Calculates undamped natural frequency of a mass-spring system.

Calculates linear spring deflection from force and stiffness.

Calculates energy stored in a linear spring.