SOLICITATION NOTICE
B -- Dynamic Modeling of Seiche Resulting From Seismic Rupture.
- Notice Date
- 2/9/2012
- Notice Type
- Presolicitation
- Contracting Office
- Bureau of Reclamation-DO-Acquisition Operations Group PO Box 25007, 84-27810 Denver CO 80225
- ZIP Code
- 80225
- Solicitation Number
- R12PS80177
- Response Due
- 2/29/2012
- Archive Date
- 2/8/2013
- Point of Contact
- Carol Ditmer Contract Specialist 3034452403 cditmer@usbr.gov;
- E-Mail Address
-
Point of Contact above, or if none listed, contact the IDEAS EC HELP DESK for assistance
(EC_helpdesk@NBC.GOV)
- Small Business Set-Aside
- N/A
- Description
- THIS IS NOT AN RFP. To respond to this sources sought, please email cditmer@usbr.gov with the following information by 29 February 2012.Company Name:Address:Phone:Email address:Web address:Brief statement of qualifications: Dynamic Modeling of Seiche at AV Watkins Dam Resulting From Seismic Rupture of the Wasatch Fault. Reclamation is seeking contract services to predict seiche waves and overtopping hazard at A. V. Watkins Dam, Utah, resulting from a large earthquake on the nearby Wasatch fault. Topography and reservoir bathymetry (before the earthquake), and a range of ground-surface displacement scenarios will be given to the Contractor as input for the seiche wave modeling. Earthquake scenarios will be generated by Reclamation, and will specify a grid of ground surface displacements as a function of time in and around the reservoir. The Contractor will produce time histories of water surface elevation at various points on A. V. Watkins Dam for each of the ground-surface displacement scenarios, as well as overtopping flows.MethodologyA general-purpose hydrodynamics and transport model will be used, equal or similar to the River and Coastal Model (RICOM) (Walters and Casulli, 1998; Walters, 2004, Walters, 2005), which solves hydrodynamic problems where there is a lack of local mass conservation, and which provides stability and accuracy with advection-dominated flows. The methods to be used shall allow a uniform approach to modeling the reservoir in a coupled or uncoupled manner, be unconditionally stable with respect to time-step size, and must allow the time-step size to be controlled by the physics of the problem rather than numerical constraints. Numerical models must employ a semi-Lagrangian approximation for advection that is accurate, stable and robust, yielding accurate results without oscillations for high-speed flows (such as over weirs, in flow constrictions and tidal rapids). The modeling approach must provide considerable flexibility in designing the computational grid, and allow for use of unstructured, staggered grid methods with a finite element spatial approximation (Walters et al, 2009). The elements chosen for the model shall have no spurious modes so that the solution is free of grid-scale oscillations (Walters, 1995). The model must accommodate a moving boundary to implement vertical surface displacement associated with faulting. (Walters, 2004)ReferencesWalters, R. A., 1995, Chapter 1: Modeling surface water flow, in Carey, G. F., ed., Finite Element Modeling of Environmental Problems: Wiley and Sons, New York, p. 1-16.Walters, R. A., and V. Casulli, 1998, A robust, finite element model for hydrostatic surface water flows, Communications in numerical methods in engineering, v. 14, p 931-940.Walters, R. A., 2004, Tsunami generation, propagation and runup. Estuarine and Coastal Modeling: Proc. of the 8th International Conference, edited by M. L. Sapulding, ASCE, P 423-438.Walters R. A., 2005, A semi-implicit finite element model for non-hydrostatic (dispersive) surface waves, International Journal for Numerical Methods in Fluids, v 7, p 721-737.Walters, R. A., Hanert, E., Pietrzak, J., and D.Y. Le Roux, 2009, Comparison of unstructured, staggered grid methods for shallow water equations, Ocean Modelling, v28, p. 106-117.
- Web Link
-
FBO.gov Permalink
(https://www.fbo.gov/notices/b347203de8d048e9360a901513c70007)
- Place of Performance
- Address: Contractor's location
- Zip Code: 80225
- Record
- SN02671884-W 20120211/120210114420-b347203de8d048e9360a901513c70007 (fbodaily.com)
- Source
-
FedBizOpps Link to This Notice
(may not be valid after Archive Date)
| FSG Index | This Issue's Index | Today's FBO Daily Index Page |