EYE ON DESIGNLogistical Scenario Analysis forHydrodynamic Applicat onsBY JORRIT-JAN SERRARIS To calculate the operability of the whole logistics chain, rather than only individual opera-tions, MARIN has developed the hydrodynamic scenario analysis program ScenSim.he uptime, or operability, of a of cargo can impact the operation. The sels, locations and iterations interacting logistical chain from a hydrodynamic speci? c operation can be cal- varying nature of these ‘disturbances’ with each other. point of view. ScenSim can be used to culated with existing methods and the effect they have on the complete ScenSim is based on a time step ap- indicate bottlenecks in the logistical Tand tools in different ways. logistical chain make it dif? cult to de- proach. Initially the operability of each chain so these can be eliminated, thereby However, each speci? c operation is of- termine the ef? ciency or duration of the vessel is calculated at every time step, increasing uptime and improving the ten just a small stage in a long chain. whole operation. To support developers, then the interactions between vessels, overall ef? ciency. When planning an operation a key planners and engineers to determine the cargo and locations are determined and parameter is to know the ef? ciency and ef? ciency of a logistical chain from a ? nally the status of each object is up-The Authorduration of the operation. When the op- hydrodynamic point of view, MARIN dated. At the end time of the simulation eration is a continuous process, such as developed ScenSim. the program shows how much cargo Jorrit-Jan Serraris is senior project man-the iterative transport of cargo between The program simulates the logistics was handled and transported during the ager at the Offshore Department of locations, or when the operation con- of shipping and offshore operations by whole simulation and the total time re-MARIN, the Maritime Research Institute sists of a successive series of operations, combining MARIN’s existing hydrody- quired to perform the whole scenario.Netherlands.such as installing an offshore wind park, namic programs into a logistic scenario. The scenario analysis program fa-e: j.w.serraris@marin.nlvariations in weather and the availability A scenario can consist of multiple ves- cilitates the simulation of the complete 22 Maritime Reporter & Engineering News • AUGUST 2014MR #8 (18-25).indd 22 MR #8 (18-25).indd 22 8/11/2014 12:30:38 PM8/11/2014 12:30:38 PM