Articulated Vehicle Option

The reconstruction of highway accidents sometimes involves analysis of the collision responses of articulated vehicles ( e.g., tractor trailers and automobiles with trailers). The m-smac program has added the optional capability to include the simulation of the additional degrees of freedom and tires associated with trailers on one or both of the vehicles (The input for the articulated vehicle option are entered on Cards 2, 3, 20, 21, 22, 23). (Note: that for a m-smac run with only 1 vehicle exercising the trailer option that the vehicle with the trailer must be vehicle number 1)

Figure 12 Side-view schematic of the articulated vehicle (trailer) option

Figure 13 Overhead schematic of the articulated vehicle (trailer) option

Card 20 Articulated Vehicle Option: Veh1

Card 22 - Articulated Vehicle Option: Veh1, additional inputs

Card 21 Articulated Vehicle Option: Veh2

Card 23 - Articulated Vehicle Option: Veh2, additional inputs

Card 98 Veh#3/Trailer Collision information

Card 99 Trailer Release Option


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Card 20 - Articulated Vehicle Option: Veh1

Card 22 - Articulated Vehicle Option: Veh1

Card 21 - Articulated Vehicle Option: Veh2

Card 23 - Articulated Vehicle Option: Veh2