To ensure structural integrity of the trailer, previously defined areas of concern were analyzed by various methods. The areas of concern were isolated through past experience, customer comments and failure mode and effects analysis (FMEA). These selected areas were analyzed through various methods according to their complexity. Simple pin shear and beam bending analyses were performed with manual calculations while more complex frame/joint analyses were performed using CAD models and finite element analysis (FEA).
All results show that the carrier is structurally adequate to for its intended use under expected conditions. The structural adequacy is justified through the application of appropriate safety factors to allowable loads and stresses and comparison with calculated actual loads and stresses.