We consider the motion of a particle acted on by dry friction and a force that is an analytic function of time. We give a counterexample to the claim that such motions are given by analytic functions of time. Several published arguments concerning existence and uniqueness in unilateral dynamics with friction rely on the analyticity of such motions. The counterexample invalidates those arguments for motions in three or more dimensions.
Accepté le :
Publié le :
DOI : 10.1051/m2an/2022033
Keywords: Unilateral dynamics with friction, frictional dynamical contact problems, uniqueness
@article{M2AN_2022__56_4_1437_0,
author = {Dance, Christopher R.},
title = {A counterexample to analyticity in frictional dynamics},
journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
pages = {1437--1449},
year = {2022},
publisher = {EDP-Sciences},
volume = {56},
number = {4},
doi = {10.1051/m2an/2022033},
mrnumber = {4444536},
zbl = {1502.70037},
language = {en},
url = {https://www.numdam.org/articles/10.1051/m2an/2022033/}
}
TY - JOUR AU - Dance, Christopher R. TI - A counterexample to analyticity in frictional dynamics JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2022 SP - 1437 EP - 1449 VL - 56 IS - 4 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/m2an/2022033/ DO - 10.1051/m2an/2022033 LA - en ID - M2AN_2022__56_4_1437_0 ER -
%0 Journal Article %A Dance, Christopher R. %T A counterexample to analyticity in frictional dynamics %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2022 %P 1437-1449 %V 56 %N 4 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/m2an/2022033/ %R 10.1051/m2an/2022033 %G en %F M2AN_2022__56_4_1437_0
Dance, Christopher R. A counterexample to analyticity in frictional dynamics. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 56 (2022) no. 4, pp. 1437-1449. doi: 10.1051/m2an/2022033
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⋆Supplementary Online Material is only available in electronic form at https://doi.org/10.1051/m2an/2022033/olm.





