Results Scale testing minimized. “Building physical prototypes...

Results

• Scale testing minimized. “Building physical prototypes for scale testing is costly and time-consuming, and developing robust scaling methods for mechanical loads and the hydraulic system is a complex exercise,” says Fiévez. “With SimHydraulics we simply changed the simulation to match the size or scope of the system we wanted to model.”
• Crucial design insights gained. “Simulink revealed system behaviors that we didn’t anticipate,” says Alex Pichard, analysis engineer at Carnegie Wave Energy. “For example, we needed to determine the piston position that would minimize load when we were installing the system. Our intuition told us to bring the piston down as far as possible, but simulations showed that it should be almost fully extended.”
• Sensitivity studies accelerated. “Our sensitivity studies require numerous simulations because we typically simulate 15 to 20 sea states for each parameter value we vary,” says Jack Jorgensen, analysis engineer. “With Parallel Computing Toolbox we can run simulations in parallel, and with a twelve-core computer we see an almost twelvefold increase in speed.”

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