ITI’s presence at the trade show revolves around the forthcoming SimulationX version 3.7 including the new model library Ship Energy Systems. The latter is the result of the fruitful collaboration between FutureShip (now DNV GL Maritime Advisory) and ITI providing shipbuilders, system suppliers, classification societies and ship owners with a tool for optimizing the energy demand of ship systems. Single components can be analyzed for their energy consumption as well as the entire system and the interactions between them in order to determine operating expenses with respect to the actual fuel consumption. Such components comprise main and auxiliary systems as well as cooling water and air circuits with time-dependent properties. The very same model structure also allows for reliability studies. Users can use the library to optimize a system by running variation calculations, for instance, with varying environmental conditions and variable energy density of the chosen fuel. Energy saving potential can thus be identified conveniently and reliably in order to compare different routes for their profitability.
In analyses with SimulationX that focus on critical values and certifications, nonlinear torsional vibrations are another important topic in marine and offshore applications. The SimulationX libraries for mechanics and power transmission allow for torsional vibration analyses (TVA) in the time (transient) and frequency (steady-state) domain. The TVA Report Generator lets the user create automatic reports from the results of these analyses. This simplifies and accelerates the verification process with classification societies a great deal. Especially transient simulations of ice impact scenarios are an integral part of the certification procedure for manufacturers and suppliers in the shipbuilding industry in order to prove safe operation also under extreme conditions. During the examination of occurring loads in the powertrain, the SimulationX model Marine Propeller is used to determine effects of ice impact on the propeller in arctic waters. The propeller model was developed in collaboration with Germanischer Lloyd (now DNV GL) and was officially certified in May 2013. ITI is the only software developer who can offer a propeller model in the field of power transmission that was certified by GL.
Marine engineers use SimulationX to also simulate and analyze drive systems in the transient (e.g. short circuit scenarios) and steady-state (e.g. structural vibrations) domain. The data from these calculations is used as parameters for lifecycle calculations and comfort analyses. For safety management on ships, ITI shows their solutions for the evaluations of risks and their effects on the ship’s operation based on failure mode and effect analyses (FMEA). One of SimulationX’ major fields of application focuses on the analysis of the dynamic behavior of complex and controlled systems by using mechanical, hydraulic, thermodynamic, signal-oriented and electromechanical model libraries. To learn more about SimulationX, ITI’s roadshow on September 12, 2014, invites everyone to a free information event. It gives an interactive overview of the software and potential application scenarios, shows how to use the model libraries and how to process, analyze and interpret simulation results.
The ITI customer base in the maritime industry includes such renowned names as Aker, Bureau Veritas, Caterpillar, CSIC, Diesel United, DNV GL, FMC Technologies, GKN Stromag, Loher, Mitsubishi Heavy Industries, Mitsui, National Oilwell Varco, Samsung Heavy Industries, Scana Volda, STX, Thyssen Krupp and Vulkan.
At the SMM 2014 trade show, ITI can be found in hall B6 at MarineSoft’s stand 318. The SimulationX Information Day takes place on September 12, 2014, from 9am till 4pm at the Mövenpick Hotel Hamburg near the trade show. As there is limited availability, registrations are processed on a first-come-first-serve basis. More details can be found at www.itisim.com/infoday.
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