Method of failure prediction in laminated composites subjected to low-velocity impact

Date

1994-01-01

Author

Erarslanoglu, Gursel
Ardic, E.Selcuk
Kayran, Altan
Bolcan, Can

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

19
views

0
downloads

Cite This

A new method is developed to predict the failure initiation in laminated composites resulting from low-velocity impact loading. Low-velocity impact phenomenon is considered as quasi-static. The pressure distribution during impact is calculated by means of Hertzian Contact Law. To calculate the strain fields in the laminate MSC/Nastran finite element software is utilized. By using the output strains from the finite element method layer strains are obtained. Then, these in-layer strains are used as input in the non-classical method to calculate fiber and matrix strains in each lamina. Although the resultant strain and stress values can be used in any failure criterion appropriate for a specific problem, in this study for simplicity, to predict the failure initiation Maximum Strain Failure Criterion is adopted. Sample results are calculated for a laminated composite, and these results are compared to the allowables given by a material producer.

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0027928589&origin=inward
https://hdl.handle.net/11511/107209

Collections

Department of Aerospace Engineering, Conference / Seminar