Input to VDS is through a series of ASCII files. The vehicle and tire files are, with only small differences, compatible with MMM and LTS. They also contain the same data as the VDMS input files (although VDMS uses a different format).

The vehicle file is a fixed-format ASCII file. Click here to view the first page of a sample vehicle file. The VDS User's Manual contains a detailed description of the inputs and input file format. VDS can make use of either tabular or MRA Nondimensional Tire models.

There is a separate input file for aerodynamics. The aero models are similar to those found in LTS. When the Advanced Steering System Model is used, described on the next page, an additional two input files are required. A terrain file is used to describe the ground elevation, and input files exist for driver model parameters and open loop command tables.

While a VDS input set may involve several hundred parameters, VDS works properly with simplified data sets.

VDS TOUR

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