Race Car Braking System Thermal Model for Real Time Use in a Driving Simulator

Overall vehicle performance optimization is the main targetin race car and road hypercar development. Considering thecomplexity of current vehicles, a holistic approach toanalyse the interaction of vehicle dynamics, powertraincooling system dynamics, brake cooling and human drivers inthe same simulation can be vital to maximizing the overallperformance (Bouvy et al, 2012). This article is acontinuation of a previous article written by Dallara andClaytex (“Race Car Cooling System Model for Real Time usein a Driving Simulator”, Stellato et al, 2023). Theprevious collaboration describes the implementation of a 1Dcooling system model integrated with a vehicle multibodymodel to be used in the Dallara dynamic driving simulatorwith human drivers (Figure 1).This collaboration has continued into a new phase, whereDallara has developed a model to optimize the brake coolingof its vehicles, with Claytex’s VeSyMA suite use for theauxiliary vehicle systems and code compilation. The modelhas been validated through comparison with real data of anexisting vehicle, showing an acceptable accuracy to size arace car braking system and for a refined assessment of theglobal vehicle performance on the driving simulator.