LOCA hydroloads calculations with multidimensional nonlinear fluid/structure interaction. Volume 2: STEALTH 2D/WHAMSE 2D single-phse fluid and elastic structure studies. Final report. [PWR]
This report, the second in a series of reports for RP-1065, describes the second step in the stepwise approach for developing the three-dimensional, nonlinear, fluid/structure interaction methodology to assess the hydroloads on a large PWR during the subcooled portions of a hypothetical LOCA. The second step in the methodology considers enhancements and special modifications to the 2D STEALTH-HYDRO computer program and the 2D WHAMSE computer program. The 2D STEALTH-HYDRO enhancements consist of a fluid-fluid coupling control-volume model and an orifice control-volume model. The enhancements to 2D WHAMSE include elimination of the implicit integration routines, material models, and structural elements not required for the hydroloads application. In addition the logic for coupling the 2D STEALTH-HYDRO computer program to the 2D WHAMSE computer program is discussed.
- Research Organization:
- Operations Research, Inc., Silver Spring, MD (USA); Science Applications, Inc., San Leandro, CA (USA); Northwestern Univ., Evanston, IL (USA). Technological Inst.
- OSTI ID:
- 6546404
- Report Number(s):
- EPRI-NP-1401(Vol.2)
- Country of Publication:
- United States
- Language:
- English
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