These cases now check for a mesh in geometrically identical cases and copy rather than re-generate if possible. This reduces the run-time of the test loop by about 20 minutes.
Reference: Duisburg Test Case (DTC) el Moctar, O., Shigunov, V., Zorn, T., Duisburg Test Case: Post-Panamax Container Ship for Benchmarking, Journal of Ship Technology Research, Vol.59, No.3, pp. 50-65, 2012