Robust EcoHydraulic 3D Modeling Tools for Rivers with Complex Instream Structures

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Eecohydraulics was identified among the top priority list for research at Reclamation because of its pivotal importance to the success of river management. Computer model development was identified to rapidly quantify the impact of natural and manmade structures ubiquitous in rivers and streams. The objective of this project is to build upon the previous experience and develop a novel immersed boundary method (IBM) into U2RANS. Through this cooperative agreement, Recipient will develop and implement an immersed boundary method into the U2RANS model used by U.S. Bureau of Reclamation. The scope of work for this project includes the development of an algorithm and coding in the U2RANS model, verification and validation of the code, and application examples to real in-stream structures on the Trinity River. Through this research, an easy-to-apply, stable, and robust 3D model (U2RANS) will be developed and made available to engineers to address a wide range of eco-hydraulic issues. The end product, a new version of U2RANS with IBM capability, will be run on desktop PCs and freely available to water managers and the public.

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