What is it about?

Large-scale explosive testing was conducted against carbon fibre and glass fibre-skinned sandwich panels. Charges of 100 kg TNT equivalent were used to initiate damage in each structure. Damage mechanisms were highlighted both during the tests using image correlation as well as post-test through inspection. Computational models of the event were used to help understand the deformation process in each structure.

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Why is it important?

This is field test data that can be used for model evaluation and development. These are large scale structures and very large charges as well, so the data is not very common in the open literature but useful for comparison against laboratory experiments or smaller scale work, where large test numbers are possible. The constructions are also very common industry standards, so give a broad relevance towards design engineering of these materials for this purpose.

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This page is a summary of: Modelling the behaviour of composite sandwich structures when subject to air-blast loading, The International Journal of Multiphysics, September 2012, Multiphysics,
DOI: 10.1260/1750-9548.6.3.199.
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