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RISEffect of Strength Matching and Strain Hardening Capacity on Fracture Performance of X80 Line Pipe Girth Welded Joint Subjected to Uniaxial Tensile Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: By conducting curved wide plate tensile tests for girth welded joints of X80 line pipe containing a surface notch in the weld metal, the effects of strength matching on fracture performance ...
A Model for Air–Sea Interaction Bulk Coefficient over a Warm Mature Sea under Strong Wind
Publisher: American Meteorological Society
Abstract: A boundary layer model for evaluating sensible and latent heat fluxes over a mature sea accounting for sea spray effects at wind speeds of up to 28 m s?1 is presented. Heat exchange across the ocean surface controls the ...
Excitation Tests on Elbow Pipe Specimens to Investigate Failure Behavior Under Excessive Seismic Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The accident at the Fukushima Dai-ichi Nuclear Power Plant (NPP) resulting from the 2011 Great East Japan Earthquake raised awareness as to the importance of considering Beyond Design Basis Events (BDBE) when planning for ...
Large Eddy Simulation Analysis of Fluid Temperature Fluctuations at a T junction for Prediction of Thermal Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tjunctions are widely used for fluid mixing in power and process plants. Temperature fluctuations generated by the mixing of hot and cold fluids at a Tjunction can cause high cycle thermal fatigue (HCTF) failure. The ...
Similitude Law of Prefracture Hysteresis of Steel Members
Publisher: American Society of Civil Engineers
Abstract: A hypothesis, which is called similitude law of prefracture hysteresis, is advocated in this paper. The similitude law is as follows: the relationships anlong ductility amplitude
Discussion on Failure Behavior of Piping Systems Under Extremely Large Seismic Loads in BDBE
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To investigate the failure behavior of piping systems under severe seismic loads considering beyond design basis event (BDBE), an experimental approach to use pipes made of simulation materials was applied. “Simulation ...
Normalized Ratcheting Diagram Under Sinusoidal Vibration Waves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ratcheting is a progressive incremental inelastic deformation or strain which can occur in a component that is subjected to variations of mechanical stress, thermal stress, or both. This study concentrated on the ratcheting ...
Study on Dynamic Postbuckling Stability of Fast Reactor Vessels Subjected to Vertical Vibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As a lesson learned from the Fukushima nuclear accident, the importance of accident mitigation for beyond-design basis events (BDBEs) is recognized. Excessive earthquake is a typical BDBE. During such events, the fast ...
Energy Optimal Control Design for Steer by Wire Systems and Hardware in the Loop Simulation Evaluation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A SteerByWire (SBW) control scheme is proposed for enhancing the lateral stability and handling capability of a super lightweight vehicle by using the energy optimal control method. Tire dissipation power and virtual power, ...
Dynamics and Practical Predictability of Extratropical Wintertime Low-Frequency Variability in a Low-Dimensional System
Publisher: American Meteorological Society
Abstract: ynamics and practical predictability of extratropical low-frequency variability (LFV) in Northern Hemisphere winter are examined in the framework of a two-dimensional (2D) stochastic differential equation (SDE) on the phase ...