Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X



Nuclei of strain at three-dimensional bimaterial interfaces

Authors: X. Markenscoff and W. Ye
Journal: Quart. Appl. Math. 56 (1998), 191-200
MSC: Primary 73C02
DOI: https://doi.org/10.1090/qam/1604833
MathSciNet review: MR1604833
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Abstract: When nuclei of strain approach the interface of two materials, the displacement fields may not be unique and may depend on the direction from which the interface is approached. For example, the displacement fields of a center of dilatation at the interface of two materials are not unique and depend on the direction of approach to the interface. To avoid misunderstanding, it can be stressed that each of the two fields is continuous at the interface. In this paper, we show that there are 12 independent displacement functions of second-order singularities uniquely defined at an interface. The limits of all other nuclei of strain at the interface are linear combinations of these 12 independent displacement functions.

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DOI: https://doi.org/10.1090/qam/1604833
Article copyright: © Copyright 1998 American Mathematical Society

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