The standard Adams requests and functions does provide accurate values of velocities during transient analysis. However for successful completion of Adams Car statics analysis (see User SIMULATE/STATIC Routines) and for smooth transient runs, Adams Car needs to access the wheel rotational velocities during statics. These velocities are determined from vehicle longitudinal velocity and tire longitudinal slip angles and are stored as common variables. These common variables are accessed from this routine to determine the engine speed for powertrain models.
The syntax to access the Wheel Rotational Velocity During Statics is as follows:
VARIABLE/id, FUN=USER (1004, imrk, jmrk, rmrk, whlno)
where:
imrk | = | I marker of wheel spindle revolute joint |
jmrk | = | J marker of wheel spindle revolute joint |
rmrk | = | Reference marker in whose coordinate systems the velocities are determined. |
whlno | = | Wheel id represented by I and J marker. |
During transient simulation the variable determines the wheel velocity using standard Adams functions. During statics it accesses the velocity from common block based on whlno.