Truck Frame - Dynamic Modelling

Bond Plot Theory was applied to dynamically model and simulate the truck frame system shown in schematic under the influence of varying excitation force. The free-free boundary conditions was applied because the suspension mounting points are not fixed. 

Bond Plot Model of the truck frame system

The five modal displacements plots for applied pulse force (100N from 1.0 to 1.1 seconds) to the mid-span beam