The equivalent thickness defined by equal shear deflection is calculated based on the same energy under shear The shear stiffness (Gt) of a solid web or skin not subjected to…
The weight escalation factor (WEF) is the rate of WTO growth with respect to additional fixed weight.
In aerospace engineering, the propellant mass fraction is the portion of a vehicle's mass which does not reach the destination, usually used as a measure of the vehicle's performance.
The empty weight mass fraction is the ratio of the empty weight (WEmpty) to Takeoff gross weight (WTO)
In structural engineering, the point on a flexural member that is equidistant from the two end supports