Dynamic Amplification Factor (DAF) or Dynamic Increase Factor (DIF), is a dimensionless number which describes how many times the deflections or stresses should be multiplied to the deflections or stresses caused by the static loads when a dynamic load is applied on to a structure.[1]
When lifting an object during a sub-sea operation, the DAF is calculated based on dynamic hydraulic forces or on snap-forces. [2]
Where:
- is the mass of the object in air (kg)
- is the acceleration of gravity (9.81m/s2)
- is the largest of or (N)
References