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RISInvestigation Into Mechanical Behavior of the Current Collector for the Molten Carbonate Fuel Cell Through Finite Element Analysis Using Hexahedral Mesh Coarsening
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The current collector for the molten carbonate fuel cell (MCFC), which is a repeated structure of sheared protrusions, is manufactured from the threestage forming process. For the precise and efficient simulation of the ...
Applicability of Net-Section Collapse Load Approach to Multiple-Cracked Pipe Assessment: Numerical Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, applicability of net-section collapse load approach to circumferential multiple-cracked pipe assessment is investigated using finite element (FE) damage analysis. The FE damage analysis based on the ...
Stress Intensity Factor and Elastic Crack Opening Displacement Solutions of Complex Cracks in Pipe Using Elastic Finite Element Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present paper, the closedform expressions for the stress intensity factors (SIFs) and the elastic crack opening displacements (CODs) of complexcracked pipes are derived based on the systematic threedimensional (3D) ...
Numerical Prediction of Maximum Load Carrying Capacity of Cracked Alloy 690TT Steam Generator Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a finite element (FE) simulation technique to predict maximum loadcarrying capacity of cracked steam generator tubes and its application to Alloy 690TT tubes. The simulation method is based on a simplified ...
Effect of Artesian Pressure on Consolidation Behavior of Drainage-Installed Marine Clay Deposit
Publisher: American Society of Civil Engineers
Abstract: Marine clay deposits in Busan are subjected to artesian pressure from an aquifer. To estimate the effects of artesian pressure on the consolidation behavior of drainage-installed deposits in Busan, a series of large ...
Finite Element Welding Residual Stress Analysis of CRDM Penetration Nozzles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article investigates numerically welding residual stress distributions of a tube with J-groove weld in control rod drive mechanisms of a pressurized nuclear reactor vessel. Parametric study is performed for the effect ...
Numerical Study of Laser Shock Peening Effects on Alloy 600 Nozzles With Initial Residual Stresses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates the effect of initial residual stress and prestrain on residual stresses due to laser shock peening for Alloy 600 using numerical simulation. For simulation, the strain rate dependent Johnson–Cook ...
Comparison of Ductile Tearing Simulation With Complex Cracked Pipe Test Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents numerical ductile tearing simulation results of four complex cracked pipes made of two materials, performed at Battelle, Columbus, OH. In ductile tearing simulation, stress-modified fracture strain model ...
Engineering Approach Based on Reference Stress Concept for Calculating J and Crack Opening Displacement of Complex-Cracked Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, an engineering approach for estimations of fracture mechanics parameters, i.e., J-integral and crack opening displacement (COD), for complex-cracked pipes was suggested based on reference stress concept, ...
Failure Behavior of Multiple Axial Part Through Wall Flaws in Alloy 690TT Steam Generator Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the interaction effect of multipleaxial partthroughwall (PTW) flaws on the failure behavior of Alloy 690TT steam generator (SG) tubes. Burst tests of tubes with single and multiple flaws were conducted ...