The present note is devoted to the mathematical mechanical modeling of brake squeal of vehicles with rims of
lightweight design. Considering the special conditions related to lightweight design rims, the minimal model for disk brake
squeal presented in [8] is modified and extended. In doing so, a possible explanation of large amplitude vibrations of
the hub of lightweight design rims caused by friction-induced vibrations of the brake system is given. Even though the
investigation already gives an indication how a safety-relevant failure of the system might be avoided, the present note
should be considered as a starting point for further analyses.
2. A minimal model for brake squeal of vehicles with lightweight design rims