... Seismic analysis Reliability Preparation for beyond design basis accident (BDBA) is one of the lessons learned from the Fukushima Daiichi nuclear plant accident [ 1 ]. Requirements for design basis accident (DBA) [ 2 ] have been well established and successfully implemented. Experience has...

... Fluid-structure interaction Fracture prediction Seismic analysis Flow-induced resonance of thermowells is traditionally established on the basis of near constant Strouhal number. While this is considered a conservative approach, a comprehensive review of documented failures [ 1 – 7 ] shows...

... to the practical piping system and to include concentrated masses representing valves as piping system can be expressed by pipes, valves, and anchors. From these results, it was confirmed that the time-step equal or smaller than 0.001 s may be sufficient for seismic analysis with the cut-off frequency of 33...

...-structure interaction Fracture prediction Seismic analysis On June 12, 2013, San Onofre Nuclear Generating Station (SONGS) power plants Units 2 and 3 were permanently shut down after vibration-induced leakage from tubes of the replacement steam generators (RSG) [ 1 ]. Nonproprietary documents...

..., 2018. Assoc. Editor: Akira Maekawa. 24 10 2017 13 01 2018 Durability Inelastic analysis Lifeline earthquake engineering Seismic analysis Maintaining the structural integrity and leak tightness of pressurized piping systems is required for safe operation of nuclear...

... . Manuscript received September 2, 2016; final manuscript received November 6, 2017; published online November 30, 2017. Assoc. Editor: David L. Rudland. 02 09 2016 06 11 2017 Durability Seismic analysis A sodium-cooled-fast-reactor (SFR) employs liquid sodium as a coolant, which...

.... Assoc. Editor: Steve J. Hensel. 25 01 2017 06 09 2017 Durability Safety Seismic analysis Reliability One result of the accident at the Fukushima Dai-ichi Nuclear Power Plant (NPP) caused by the 2011 Great East Japan Earthquake is increased interest in considering Beyond...

... Durability Fatigue Inelastic analysis Fracture prediction Seismic analysis Piping systems convey fluids from one location to another and play vital role in proper functioning of nuclear facilities. The piping systems for nuclear facilities are subjected to sustained loads such as internal...

... Boundary element methods Seismic analysis Industrial facilities (e.g., power/chemical/petrochemical plants, terminals) and their components, under seismic loading, may exhibit significant damage, which may threaten their structural integrity with severe consequences on the population...

... Division of ASME for publication in the J OURNAL OF P RESSURE V ESSEL T ECHNOLOGY . Manuscript received February 3, 2015; final manuscript received June 24, 2017; published online August 8, 2017. Assoc. Editor: Albert E. Segall. 03 02 2015 24 06 2017 Durability Seismic analysis...

... experimentally and numerically by Varelis et al. [ 11 , 12 ]. The recent paper by Karamanos [ 13 ] offers an overview of pipe elbow mechanical behavior under severe loading conditions. Durability Fatigue Inelastic analysis Life extension Fracture prediction Seismic analysis 09 03 2017 29...

... Seismic analysis Design Reliability Qualification of software In a nuclear power plant (NPP), there are a lot of small-bore pipings, such as vent piping, drain piping, and instrument piping, which are connected to the main piping, such as the primary coolant piping, pumps, and tanks...

... in the J OURNAL OF P RESSURE V ESSEL T ECHNOLOGY . Manuscript received November 22, 2016; final manuscript received April 14, 2017; published online May 26, 2017. Assoc. Editor: Tomomichi Nakamura. 22 11 2016 14 04 2017 Durability Fluid-structure interaction Seismic analysis...

...-2013M2A8A1040924). Durability Finite element Inelastic analysis Seismic analysis Boundary element methods In pressurized water reactors, primary water stress corrosion cracking on Alloy 600 penetration nozzles has been continuously reported [ 1 ]. It is well known that primary water stress...

... 2017 Durability Seismic analysis Pressure reducing valve plays a very important role by supplying a certain working pressure for the branch pipe lines of a hydraulic system or a water distribution network [ 1 , 2 ]. In the latter case, pilot-operated type PRVs are usually used...

... Maekawa. 14 10 2016 09 01 2017 Durability Fluid-structure interaction High pressure engineering Inelastic analysis Safety Seismic analysis Reliability Air cushion surge chamber (ACSC) is an effective measure to relieve water hammer pressure in diversion type hydropower...

.... 07 02 2016 27 12 2016 Durability Seismic analysis Containment vessels have been widely used to contain the blast effects in both civil and military applications. Strain growth is a phenomenon observed in the elastic response of containment vessels subjected to internal blast...

... prediction Seismic analysis Flow-induced vibration of tube arrays is one of the important reasons for the long-term fretting-wear or fatigue within the steam generators and other heat exchangers. Generally, the mechanisms for flow-induced vibration consist of vortex shedding, turbulence buffeting...

... for publication in the J OURNAL OF P RESSURE V ESSEL T ECHNOLOGY . Manuscript received January 24, 2016; final manuscript received July 18, 2016; published online November 24, 2016. Assoc. Editor: Akira Maekawa. 24 01 2016 18 07 2016 Durability Inelastic analysis Safety Seismic analysis...

... in the J OURNAL OF P RESSURE V ESSEL T ECHNOLOGY . Manuscript received February 26, 2016; final manuscript received August 17, 2016; published online October 11, 2016. Assoc. Editor: Kunio Hasegawa. 26 02 2016 17 08 2016 Durability Inelastic analysis Safety Seismic analysis...