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Asymptotic analysis of free-edge and free-corner effects in laminate structures

Mittelstedt, C. and Becker, W. (2019):
Asymptotic analysis of free-edge and free-corner effects in laminate structures.
In: Proceedings in Applied Mathematics and Mechanics (PAMM), Wiley, pp. 251-252, 5, (1), ISSN 1617-7061,
DOI: 10.1002/pamm.200510102,
[Article]

Abstract

Stress fields in the vicinity of free edges and corners of composite laminates exhibit singular characteristics and may lead to premature interlaminar failure modes like delamination fracture. It is of practical interest to investigate the nature of the arising free‐edge and free‐corner stress singularities ‐ i.e. the singularity orders and modes ‐ closely. The present investigations are performed using the Boundary Finite Element Method (BFEM) which in essence is a fundamental‐solution‐less boundary element method employing standard finite element formulations.

Item Type: Article
Erschienen: 2019
Creators: Mittelstedt, C. and Becker, W.
Title: Asymptotic analysis of free-edge and free-corner effects in laminate structures
Language: English
Abstract:

Stress fields in the vicinity of free edges and corners of composite laminates exhibit singular characteristics and may lead to premature interlaminar failure modes like delamination fracture. It is of practical interest to investigate the nature of the arising free‐edge and free‐corner stress singularities ‐ i.e. the singularity orders and modes ‐ closely. The present investigations are performed using the Boundary Finite Element Method (BFEM) which in essence is a fundamental‐solution‐less boundary element method employing standard finite element formulations.

Journal or Publication Title: Proceedings in Applied Mathematics and Mechanics (PAMM)
Volume: 5
Number: 1
Place of Publication: Weinheim
Publisher: Wiley
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Institute for Lightweight Construction and Design (KluB)
Event Title: PAMM — Proceedings in Applied Mathematics and Mechanics
Event Location: Weinheim
Date Deposited: 11 Jul 2019 07:43
DOI: 10.1002/pamm.200510102
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