## Card 23 - Articulated Vehicle Option: Veh2

 Gam1.2 Gam2.2 NF.2 NS.2 TtimuRR2 TTimuLR2 XF4 XR4 YS4 23

 Card:  Field Variable Description Original Units Metric Units Vehicle 2 Articulated Vehicle/Trailer Option Inputs: (Card 2 of 2 required) Tractor-trailer option articulation angle limit stops definitions These inputs are used to define the articulation stop properties of the tractor-trailer system.  For the m-smac articulation option,  an articulation  limit is simulated by means of a linearly increasing resistance to articulation which occurs between the angles gam1.2 and gam2.2. The resistance is defined by the friction moment (NF.2) and the angular stop moment (NS.2) 23:1 Gam1.2 V2 Trailer Articulation Stop Beginning deg 23:2 Gam2.2 V2 trailer articulation stop end deg 23:3 NF.2 V2 trailer friction moment lb-in N-cm 23:4 NS.2 V2 trailer angular stop moment lb-in N-cm The following Optional Tirmu inputs are permits the simulation of individual tires which have drag factors different than the nominal MU (i.e., metal gouging, etc.). If entered as 0.0, program assumes default value of 1.0 (normal). An input value of 0.86 would produce an effective friction of 0.60 for a tire on a nominal friction coefficient of 0.70 23:5 TTirmuRR2 V2 trailer RR trailer tire Tirmu friction multiplier factor 23:6 TTirmuLR2 V2 trailer LR trailer tire Tirmu friction multiplier factor 23:7 XF4 Distance from the CG of the trailer of Vehicle 1 to the front of the trailer in mm 23:8 XR4 Distance from the CG of the trailer of Vehicle 2 to the rear end of the trailer in mm 23:9 YS4 Overall width of the trailer of Vehicle 1 (may also be entered as trailer ˝ width. Value compared with the trailer track width, if less than track width, assumed to be ˝ width) in mm

Card 23 - Articulated Vehicle Option: Veh2, additional inputs

Card 98 – Veh#3/Trailer Collision information

Card 99 – Trailer Release Option

Card 20 – Articulated Vehicle Option: Veh1

Card 22 - Articulated Vehicle Option: Veh1, additional inputs

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Example: Tractor-trailer option inputs