# Composite material with random wrinkle¶

## Overview¶

This model implements the 3D anisotropic linear elasticity equations for a composite part with randomised wrinkle.

## Run¶

```
docker run -it -p 4242:4242 linusseelinger/model-dune-composites:latest
```

## Properties¶

Model |
Description |
---|---|

forward |
Linear elasticity |

### forward¶

Mapping |
Dimensions |
Description |
---|---|---|

input |
[346000] |
Coefficients of a Karhunen Loeve expansion of a typical wrinkle |

output |
[1] |
Maximum deflection of the composite part |

Feature |
Supported |
---|---|

Evaluate |
True |

Gradient |
False |

ApplyJacobian |
False |

ApplyHessian |
False |

Config |
Type |
Default |
Description |
---|---|---|---|

ranks |
int |
2 |
Number of MPI ranks (i.e. parallel processes) to be used |

stack |
string |
“example2.csv” |
Path to the stacking sequence to be run |

## Mount directories¶

Mount directory |
Purpose |
---|---|

None |

## Source code¶

## Description¶

In the simulation the composite strength of a corner part with a wrinkle is modeled. The analysis assumes standard anisotropic 3D linear elasticity.

## References¶

Anne Reinarz, Tim Dodwell, Tim Fletcher, Linus Seelinger, Richard Butler, Robert Scheichl,

*Dune-composites – A new framework for high-performance finite element modelling of laminates*, Composite Structures, 2018.Anhad Sandhu and Anne Reinarz and Tim J. Dodwell,

*A Bayesian framework for assessing the strength distribution of composite structures with random defects*, Composite Structures, 2018. }