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required. But care should be taken to verify the cor-
rectness of the numerical results. Finally, the mod-
elling should be complemented by appropriate exper-
iments to validate the resulting simulations and im-
prove on the model.
ACKNOWLEDGEMENTS
We would like to acknowledge the funding provided
by EPSRC under grant number EP/J007242/1. The
first author would also like to acknowledge the receipt
of a Carnegie Scholarship.
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