Energy and Climate

Computational Modeling & Simulation

Sandian Re-Elected as President of the Association for Computing Machinery Special Interest Group on Graphics and Interactive Techniques

Jeff Jortner (in Sandia’s Scalable Modeling & Analysis Systems Dept.) has been re-elected for another three-year term as the President of the Association for Computing Machinery (ACM) Special Interest Group on Graphics and Interactive Techniques (SIGGRAPH). ACM is the world’s largest educational and scientific comput­ing society and delivers resources that advance computing as a science […]

Sandia Vertical-Axis Wind-Turbine Research Presented at Science of Making Torque from Wind Conference

In June, Brian Owens (in Sandia’s Analytical Structural Dynamics Dept.) and Todd Griffith (in Sandia’s Water Power Technologies Dept.) traveled to DTU Lyngby (Technical University of Denmark: Copenhagen, Denmark) to present Sandia research on deep-water multiple-megawatt vertical-axis wind turbines (VAWTs). High tip-speed ratios, low frequency structural vibration modes, and flexible blades of multiple-megawatt VAWTs can […]

Upgrades to SNL-EFDC: A Tool to Balance Marine Hydrokinetic Energy Generation Efficiency with Environmental Response

SNL-EFDC is an open-source tool developed to support the marine renewable-energy industry by enabling simultaneous evaluation of array power production and environmental effects, facilitating optimal device placement. SNL-EFDC is an augmented version of US EPA’s Environmental Fluid Dynamics Code (EFDC) that has been well validated against real world river, lake, tidal, and other coastal environments. […]

SNL-SWAN Beta Code Development: Frequency-Dependent Wave-Energy Converter Module

Sandia is developing accurate methods to simulate altered wave propagation due to the operation of wave farms by enhancing the open-source spectral wave model, SWAN. The new model, SNL-SWAN, remains open source and will help the wave-energy converter (WEC) industry assess the potential environmental effects created by changes in wave climates associated with the deployment […]

Wind Generator Modeling

Sandia finalized and submitted the updated “WECC Wind Power Plant Dynamic Model­ing Guide” and the “WECC PV Power Plant Dynamic Modeling Guide” to the Technical Studies Subcommittee at the Western Elec­tricity Coordinating Council (WECC). These dynamic modeling guides present the second-generation generic models as speci­fied in the January 23, 2014 WECC report. The WECC generic […]

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