High stress intensities in focussing zones of waves
- The propagation of mechanical waves in plates of isotropic elastic material is investigated. After a short introduction to the understanding of focussing of stress waves in a plate with a curved boundary the method of characteristics is applied to a plate of hyperelastic material. Using this method the propagation of acceleration waves is discussed. Based on this a numerical difference scheme is developed for solving initial-boundary-value problems and applied to two examples: propagation of a point disturbance in a homogeneously finitely strained non-linear elastic plate and geometrical focussing in al linear elastic plate.
Author: | J. Ballmann, Hans-Jürgen Raatschen, Manfred StaatORCiD |
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DOI: | https://doi.org/10.1016/B978-0-444-42520-1.50015-3 |
DOI: | https://doi.org/10.21269/264 |
Document Type: | Conference Proceeding |
Language: | English |
Year of Completion: | 1985 |
Publishing Institution: | Fachhochschule Aachen |
Tag: | Wellen mechanical waves |
GND Keyword: | Technische Mechanik |
Source: | Local effects in the analysis of structures : [selection of papers presented at the Euromech Colloquium "Inclusion of Local Effects in the Analysis of Structures", held Sept. 11-14, 1984 ... Cachan, France] / ed. by Pierre Ladevèze. Amsterdam : Elsevier, 1985. S. 235-252 |
Institutes: | FH Aachen / Fachbereich Medizintechnik und Technomathematik |
Dewey Decimal Classification: | 6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten |