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O. Mazzantini
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Proceedings Papers

Prediction of Dynamic Break-Opening Area Under Beyond Design Basis Seismic Loading

M. Uddin, E. Kurth, F. W. Brust, G. M. Wilkowski, A. A. Betervide, O. Mazzantini, R. A. Fernandez
Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A078, July 19–23, 2015
Paper No: PVP2015-45156
DOI: https://doi.org/10.1115/PVP2015-45156
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Topics: Design, Fracture (Materials), Pipes, Rotation, Finite element analysis, Displacement, Accidents, Boiling water reactors, Computers, Coolants
Proceedings Papers

Prediction of Margins in the TBS Seismic Considerations Analysis for Circumferential Surface-Cracked Piping Under Beyond Design Basis Seismic Loading

Mohammed Uddin, Frederick Brust, Gery Wilkowski, Tao Zhang, A. A. Betervide, O. Mazzantini, Ricardo A. Fernandez
Proc. ASME. PVP2014, Volume 8: Seismic Engineering, V008T08A025, July 20–24, 2014
Paper No: PVP2014-28819
DOI: https://doi.org/10.1115/PVP2014-28819
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Topics: Design, Pipes, Fracture (Materials), ASME Standards, Earthquake risk, Earthquakes, Finite element model, Probability, Stress, Surface cracks
Proceedings Papers

The Best-Estimate Plus Uncertainty (BEPU) Challenge in the Licensing of Current Generation of Reactors

A. Petruzzi, N. Muellner, F. D’Auria, O. Mazzantini
Proc. ASME. ICONE20-POWER2012, Volume 4: Codes, Standards, Licensing, and Regulatory Issues; Fuel Cycle, Radioactive Waste Management and Decommissioning; Computational Fluid Dynamics (CFD) and Coupled Codes; Instrumentation and Controls; Fuels and Combustion, Materials Handling, Emissions; Advanced Energy Systems and Renewables (Wind, Solar, Geothermal); Performance Testing and Performance Test Codes, 15-23, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54024
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54024
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Topics: Licensing, Safety, Uncertainty
Proceedings Papers

Fracture Toughness Characterization of Welds and HAZ at Various Loading Rates Using Differing Specimen Geometries

S. Kalyanam, M. Uddin, G. Wilkowski, D.-J. Shim, Y. Hioe, F. Brust, B. Tosi, G. Hattery, A. Betervide, O. Mazzantini
Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 465-475, July 17–21, 2011
Paper No: PVP2011-57973
DOI: https://doi.org/10.1115/PVP2011-57973
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Topics: Fracture toughness, Welded joints, Fracture (Materials), Nuclear power stations, Crack propagation, Finite element analysis, Pipes, ASTM International, Heat, Machinery
Proceedings Papers

The Best-Estimate Plus Uncertainty (BEPU) Challenge in the Licensing of Current Generation of Reactors

A. Petruzzi, N. Muellner, F. D’Auria, O. Mazzantini
Proc. ASME. PVP2011, Volume 5: High-Pressure Technology; Nondestructive Evaluation; Nuclear Engineering, 281-289, July 17–21, 2011
Paper No: PVP2011-57794
DOI: https://doi.org/10.1115/PVP2011-57794
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Topics: Licensing, Safety, Uncertainty
Proceedings Papers

Robust LBB Analyses for Atucha II Nuclear Plant

G. Wilkowski, B. Brust, T. Zhang, G. Hattery, S. Kalyanam, D.-J. Shim, E. Kurth, Y. Hioe, M. Uddin, J. J. Johnson, O. R. Maslenikov, A. Gu¨rpinar, A. P. Asfura, B. Sumodobila, A. A. Betervide, O. Mazzantini
Proc. ASME. PVP2011, Volume 1: Codes and Standards, 107-120, July 17–21, 2011
Paper No: PVP2011-57939
DOI: https://doi.org/10.1115/PVP2011-57939
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Topics: Nuclear power stations, Stress, Design, Fracture (Materials), Emergency core cooling systems, Leakage, Pipes, Construction, Displacement, Residual stresses
Proceedings Papers

The BEPU Challenge in Current Licensing of Nuclear Reactors

F. D’Auria, A. Petruzzi, N. Muellner, O. Mazzantini
Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 1511-1517, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31279
DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-31279
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Topics: Licensing, Nuclear reactors, Uncertainty, Heavy water reactors, Nuclear power stations, Safety
Proceedings Papers

Optimizing the Initial Pressure of Accumulators for the Atucha2 NPP Using an Optimization Method

N. Muellner, A. Del Nevo, M. Cherubini, F. D’Auria, O. Mazzantini
Proc. ASME. ICONE17, Volume 3: Thermal Hydraulics; Current Advanced Reactors: Plant Design, Construction, Workforce and Public Acceptance, 567-574, July 12–16, 2009
Paper No: ICONE17-75666
DOI: https://doi.org/10.1115/ICONE17-75666
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Topics: Nuclear power stations, Optimization, Pressure, Secondary cells, Safety, Accidents, Pressure drop, Coolants, Construction, Design
Proceedings Papers

RELAP Model for Atucha II PHWR

M. Schivo, G. Bedrossian, J. Gonza´lez, P. Zanocco, M. Gime´nez, M. Caputo, P. Serrano, O. Mazzantini
Proc. ASME. ICONE17, Volume 2: Structural Integrity; Safety and Security; Advanced Applications of Nuclear Technology; Balance of Plant for Nuclear Applications, 495-503, July 12–16, 2009
Paper No: ICONE17-75365
DOI: https://doi.org/10.1115/ICONE17-75365
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Topics: Heavy water reactors, Construction, Design, Geometry, Licensing, Probabilistic safety assessment, Steady state