A study on finite element of pre damaged stress concentration factor for a composite laminate member with central circular.
Journal article
Ahmed, Tanveer, Choudhry, Rizwan Saeed, Shah, Atta Ur Rehman and Saeed, Hasan Aftab 2018. A study on finite element of pre damaged stress concentration factor for a composite laminate member with central circular. Journal of Mechanical Science and Technology. https://doi.org/10.1007/s12206-018-0717-4
| Authors | Ahmed, Tanveer, Choudhry, Rizwan Saeed, Shah, Atta Ur Rehman and Saeed, Hasan Aftab |
|---|---|
| Abstract | The study investigates the pre damaged stress concentration factor (SCF) for a composite laminate member (CLM) with central circular hole subjected to tensile loading. The presence of holes yields high stress concentrations in the structural members termed as stress raiser and often regarded as an important design deriver. The pre damaged SCF refers to the stress concentrations within elastic (undamaged) range of the CLM prior to the failure initiation. The traditional experimental and analytical methods for the estimation of SCF offer macro level behaviour which is not considered appropriate for CLM where lamina by lamina behaviour is more significant. A meso level finite element (FE) model is presented to capture the lamina by lamina influence on the overall SCF for a CLM using commercial software Abaqus. The paper deals with the fundamental influencing factors such as laminae orientation effect, stress distribution effect around periphery of the hole, decaying effect and ligament effect on SCF for CLM. Analytical models have been formulated to validate the FE models. The results of FE models have been found in close agreement with the analytical results. |
The study investigates the pre damaged stress concentration factor (SCF) for a composite laminate member (CLM) with central circular hole subjected to tensile loading. The presence of holes yields high stress concentrations in the structural members termed as stress raiser and often regarded as an important design deriver. The pre damaged SCF refers to the stress concentrations within elastic (undamaged) range of the CLM prior to the failure initiation. The traditional experimental and analytical methods for the estimation of SCF offer macro level behaviour which is not considered appropriate for CLM where lamina by lamina behaviour is more significant. A meso level | |
| Keywords | Composite materials; Mechanics; Stress analysis |
| Year | 2018 |
| Journal | Journal of Mechanical Science and Technology |
| Publisher | Springer |
| ISSN | 1738494X |
| 19763824 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1007/s12206-018-0717-4 |
| Web address (URL) | http://hdl.handle.net/10545/622928 |
| http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
| hdl:10545/622928 | |
| Publication dates | 13 Aug 2018 |
| Publication process dates | |
| Deposited | 30 Aug 2018, 12:02 |
| Rights | Archived with thanks to Journal of Mechanical Science and Technology |
| Contributors | University of Derby and National University of Science and Technology |
| File | File Access Level Open |
| File | File Access Level Open |
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