The ship-whale separation is used to calculate the deformation of the skin. The
parameters of the calculation are parms$Ly (impact area width, m),
parms$Lz (impact area height, in m), parms$Ealpha (skin elastic modulus in Pa),
parms$alpha (skin thickness in m), and parms$theta (skin bevel angle
degrees, measured from a vector normal to undisturbed skin).
Arguments
- xs
Ship position (m).
- xw
Whale position (m).
- parms
A named list holding model parameters, created by
parameters().
Value
A list containing force, the normal force (N), along with
sigmay and sigmaz, which are stresses (Pa) in the y (beam)
and z (draft) directions.
References
See whalestrike() for a list of references.
See also
Other functions relating to whale characteristics:
stressFromStrainFunction(),
whaleCompressionForce(),
whaleLengthFromMass(),
whaleMassFromLength(),
whaleWaterForce()
Other functions relating to forces:
shipWaterForce(),
stressFromStrainFunction(),
whaleCompressionForce(),
whaleWaterForce()