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RISSpecial Issue: Recent Advances in Design and Structural Integrity of Pressure Vessels, Piping and Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The design and structural integrity evaluation of pressure retaining equipment are crucial elements in the nuclear, oil, and gas industries. Accordingly, many research has been done to improve the accuracy of design and ...
Plastic Limit Loads for Slanted Through Wall Cracks in Cylinder and Plate Based on Finite Element Limit Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The plastic limit load solutions for cylinder and plate with slanted throughwall cracks (TWCs) are developed based on the systematic threedimensional (3D) finite element (FE) limit analyses. As for loading conditions, axial ...
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) ...
HITEP_RCC-MRx Program for the Support of Elevated Temperature Design Evaluation and Defect Assessment
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: An integrated software platform of high-temperature design evaluation and defect assessment for a nuclear component and piping system subjected to high-temperature operation in creep regime has been developed. The program, ...
Strain-Based CTOD and J-Integral Estimations for Pipelines With a Surface Crack Under Large Plastic Strain and Internal Pressure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Engineering solutions for crack-tip opening displacement (CTOD) and J-integral estimations for pipelines with a surface crack are proposed based on parametric finite element (FE) analyses for various geometries, material ...
J and CTOD-Based Tensile Strain Capacity Prediction for Pipelines With a Surface Crack in Girth Weld
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Long-distance pipelines for the transport of oil and natural gas to onshore facilities are mainly fabricated by girth welding, which has been considered as a weak location for cracking. Pipeline rupture due to crack ...
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 ...
Plastic Limit Pressure Solutions for Elbows With Slant Through-Wall Cracks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For leak-before-break (LBB) assessment, an idealized through-wall crack (TWC) is typically postulated to determine the critical crack length of cracked piping. However, such an idealization in terms of crack shape can lead ...
A New Stress Intensification Factor of Pipe-In-Pipes Based on Finite Element Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For the design of a transmission piping system, a stress intensification factor (SIF) is generally used for the stress calculations of piping components due to external forces, and the solutions for the single-walled piping ...
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, ...