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Explicit solutions in isotropic planar elastostatics
Umeå University, Faculty of Science and Technology, Department of Mathematics and Mathematical Statistics.
Umeå University, Faculty of Science and Technology, Department of Mathematics and Mathematical Statistics.
Umeå University, Faculty of Science and Technology, Department of Mathematics and Mathematical Statistics.ORCID iD: 0000-0001-5596-5115
Institute of Mathematics, Faculty of Mathematics and Computer Science, Jagiellonian University, Łojasiewicza 6, Kraków, Poland.
2025 (English)In: Acta Mathematica Vietnamica, ISSN 0251-4184, Vol. 50, no 2, p. 285-301Article in journal (Refereed) Published
Abstract [en]

Addressing the intricate challenges in plane elasticity, especially with non-vanishing traction and complex geometries, requires innovative methods. This paper offers a novel approach, drawing inspiration from the Neumann problem for the inhomogeneous Cauchy-Riemann equations. Our method applies to domains conformally equivalent to a unit disk or an annulus, focusing on deriving explicit solutions for the displacement field rather than the stress tensor, which distinguishes it from most traditional approaches. We explore solutions for specific classical cases to demonstrate its efficacy, such as a cardioid domain, a ring domain with a shifted hole, and a gear-like structure. This work enhances the toolkit for researchers and practitioners tackling isotropic planar elastostatic challenges with a unified and flexible approach.

Place, publisher, year, edition, pages
Springer, 2025. Vol. 50, no 2, p. 285-301
Keywords [en]
Cardioid, Complex variables, Conformal mapping, Eccentric annulus, Epitrochoid, Isotropic planar elastostatics, Notch problem, Plane elasticity
National Category
Mathematical Analysis
Identifiers
URN: urn:nbn:se:umu:diva-240990DOI: 10.1007/s40306-025-00572-wISI: 001497748700001Scopus ID: 2-s2.0-105006849905OAI: oai:DiVA.org:umu-240990DiVA, id: diva2:1975993
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Umeå UniversityAvailable from: 2025-06-24 Created: 2025-06-24 Last updated: 2025-06-24Bibliographically approved

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Granath, AndreasÅhag, PerPerälä, Antti

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