ANSYS, Inc. has announced that its software is helping transform the relentless forces of waves into electricity by helping Green Ocean Energy Ltd in getting their product to market in a cost-effective and timely manner. Green Ocean Energy is developing two innovative devices that will harness the waters of the north Atlantic: the Ocean Treader and Wave Treader. They are designed to bob on the surface of the ocean while waves cause attached floating arms to move up and down to power on-board generators. Electricity is sent back to shore via underwater cables. Each machine is designed to produce 500 KW of electricity -- enough to power 125 homes -- so a farm of 30 such devices would have a rating of 15 MW.
The project's complex development process includes rigorous technical requirements, severe environmental conditions and strict product delivery deadlines, and Green Ocean Energy has identified the advanced engineering simulation tools from ANSYS as a critical element in this process.
"Because prototypes cost over $3 million (€2 million) each and take months to construct, numerous rounds of hardware test-and-redesign cycles are impractical," said George Smith, managing director of Green Ocean Energy Ltd. "The virtual prototyping capabilities of the ANSYS tools have been a critical element in getting the products to produce maximum energy output as well as to operate effectively for decades. As a result, engineering simulation is helping our company meet all technical requirements, deadlines and business objectives."
Hydrodynamic and structural analysis tools from ANSYS are being applied to address one of the primary challenges: reaching a balance between structural strength and weight restrictions. With an expected 25-year design life, the machines must withstand rough waters and gale-force winds; conversely, structural members must be lightweight to keep production costs within budget and to allow for sufficient floatation.
"Significant engineering hurdles must be overcome to develop efficient, reliable and economical wave-powered electrical generation systems that could be deployed on a mass-production basis. Green Ocean Energy is a company successful at leveraging solutions from ANSYS to reach their business objectives, and improve the environment at the same time," said Dipankar Choudhury, vice president of corporate product strategy and planning at ANSYS, Inc. "Because our technology provides detailed insight into the behavior of designs, it is ideal for developing a wide range of products that can benefit the environment -- inventing low-mileage and clean energy automobiles, tracking pollutant plumes, increasing efficiency of wastewater treatment plants, optimizing energy production from fossil fuels, and engineering safer and more sustainable buildings. ANSYS offers proven solutions to help organizations be at the forefront of clean and green."
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