CAE.CFD.FEA
TruckSim 8.1
The most visible improvement to TruckSim comes from a new program called the VehicleSim (VS) Visualizer. VS Visualizer makes use of modern graphical processing units (GPU) and shape file formats. It provides advanced lighting (true shadows, multiple light sources, reflected highlights), highly efficient rendering, rear-view mirrors, and advanced techniques taken from video game technology. VS Visualizer provides support for new advanced driving simulators, but provides incredible visualization for all TruckSim users.
The new TruckSim release includes some major new options in the vehicle math models:
- Driver Model Improvements. TruckSim now supports a driver reference path that is separate from the road reference line, in support of simulations with arbitrary target paths. A path preview option is included in the speed controller to define speed as a function of curvature, aggressiveness (lateral and longitudinal acceleration limits) and skill level. The controller also has an option to take 3D surface properties into account (bank angle, grade angle, curvature normal to the road surface).
- Extension to the built-in tire models. Another parameter is available in the built-in tire model to control the transition between longitudinal and lateral slip in combined slip. This can improve realism for some datasets.
- Continuously Variable Transmission (CVT). The TruckSim powertrain now includes an option for CVT, with corresponding improvements in the GUI and documentation.
- Miscellaneous Improvements. More improvements have been made to configurable table functions, including a new _EQUATION option and extensive support from the VS API. More outputs have been added to support a road-based axis system to define pitch and roll relative to a design surface. Minor changes have been made to simplify navigation in the GUI.
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