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WEC-Sim (Wave Energy Converter SIMulator)

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WEC-Sim (Wave Energy Converter SIMulator) is an open source wave energy converter (WEC) simulation tool. The code is developed in MATLAB/SIMULINK using the multi-body dynamics solver SimMechanics. WEC-Sim has the ability to model devices that are comprised of rigid bodies, power-take-off systems, and mooring systems. Simulations are performed in the time-domain by solving the governing WEC equations of motion in 6 degrees-of-freedom as described in the WEC-Sim User Manual.

The WEC-Sim project is funded by the U.S. Department of Energy’s Wind and Water Power Technologies Office and the code development effort is a collaboration between the National Renewable Energy Laboratory (NREL) and Sandia National Laboratories (SNL).

WEC-Sim Version 1.0 Download Available Here.

Principal Developers:

  • Kelley Ruehl (SNL)
  • Carlos Michelen (SNL)
  • Yi-Hsiang Yu (NREL)
  • Michael Lawson (NREL)
  • Nathan Tom (NREL)

Contributors:

  • Adam Nelessen (Georgia Tech)
  • Sam Kanner (University of California at Berkeley)
  • Chris McComb (Carnegie Mellon University)

Publications:

[1] Kelley Ruehl, Carlos Michelen, Samuel Kanner, Michael Lawson, and Y. Yu, “Preliminary Verification and Validation of WEC-Sim, an Open-Source Wave Energy Converter Design Tool,” in Proceedings of OMAE 2014, San Francisco, CA, 2014.

[2] MJ Lawson, Y. Yu, Adam Nelessen, Kelley Ruehl, and Carlos Michelen, “Implementing Nonlinear Buoyancy and Excitation Forces in the WEC-Sim Wave Energy Converter Modeling Tool,” in Proceedings of OMAE 2014, San Francisco, CA, 2014.

[3] Y. Yu, Michael Lawson, Kelley Ruehl, and Carlos Michelen, “Development and Demonstration of the WEC-Sim Wave Energy Converter Simulation Tool,” in Proceedings of the 2nd Marine Energy Technology Symposium, Seattle, WA, 2014.

[4] Y. Yu, Ye Li, Kathleen Hallett, and Chad Hotimsky, “Design and Analysis for a Floating Oscillating Surge Wave Energy Converter,” in Proceedings of OMAE 2014, San Francisco, CA, 2014.

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