On a class of limit states of frictional joints: formulation and existence theorem

Authors:
Lars-Erik Andersson and Anders Klarbring

Journal:
Quart. Appl. Math. **55** (1997), 69-87

MSC:
Primary 73C99; Secondary 35Q72, 49J40, 73T05, 73V25

DOI:
https://doi.org/10.1090/qam/1433753

MathSciNet review:
MR1433753

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Abstract: The model dealt with is a linear elastic body in frictional contact with a rigid support. Limit states of such an assemblage are characterized by deformations and forces such that a small perturbation may introduce a large change in configuration. The class of limit states considered here is specified by the possibility of superposing a time constant rigid body velocity field to a static deformation. The problem of finding such states (i.e., forces and static deformations) for a prescribed rigid body velocity is formulated, and for the case when the geometrically admissible rigid body displacements form a linear space an existence result is given. It is proved that under restrictions on the magnitude of the friction coefficient and in the case that an intuitively clear condition on the direction of the forces is satisfied, there exist a load multiplier and a corresponding static displacement.

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DOI:
https://doi.org/10.1090/qam/1433753

Article copyright:
© Copyright 1997
American Mathematical Society