Numerical Analysis of Long-Term Wear Models

• Autorzy: Frischmuth, K. , Langemann, D.
• Konferencja: Polish-German Workshop on Dynamical Problems in Mechanical Systems (5 ; 31.08-6.09.1997 ; Zakopane, Poland)
• Języki publikacji: EN

Abstrakty

EN

We study options for the computer simulation of wear processes in rail-wheel contact. The feedback loop between dynamics of the rolling body or multi-body system and long-term evolution of the contact geometry causes considerable numerical difficulties. Thus we propose a phenomenological approach as an alternative to a direct solution of the coupled model equations. A relation between curvature of the contact surface and the speed of abrasion allows to establish a non-linear evolution equation for the wheel radius. After regularisation eve obtain numerical solutions which are qualitatively consistent with observed lone-term behaviour of real railway wheels.

• Czasopismo: Machine Dynamics Problems
• Rocznik: 1998
• Tom: Vol. 20
• Strony: 113-122

Twórcy

autor

Frischmuth, K.

autor

Langemann, D.

• FB Mathematik, Universitat Rostock, Universitatsplatz 1, Germany