The “paradox” of a brake pad


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Abstract

By the example of a brake pad, a typical error is illustrated, i.e., the fact that the initial conditions should be reconsidered upon finding that there is no solution of the static problem in a certain region of parameters (incorrect in the sense of Hadamard). For example, it turns out that the conditions of disk rotation in the positive direction cannot be implemented in the domain of parameters leading to a “paradox.” In this region, the “brake-pad” mechanism is transformed into the “wedge stopper” mechanism.

About the authors

V. Ph. Zhuravlev

Ishlinsky Institute for Problems in Mechanics

Author for correspondence.
Email: zhurav@ipmnet.ru
Russian Federation, Moscow, 117526

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