Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2701-2720 of 4506
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Analysis of Material Nonlinear Problems Using Pseudo-Elastic Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2000)A method based on linear elastic finite element analysis is presented for stress field determination of elasto-plastic problems. Hencky’s total deformation theory is used to define effective ... -
Site Effects on Seismic Behavior of Pipelines: A Review
(The American Society of Mechanical Engineers (ASME), 2000)Post-earthquake investigations showed that local site condition had significant effect on seismic behavior of pipelines: almost all seismic damages to buried pipelines were either due to permanent ... -
Analysis of Hydroelastic Instabilities of Rectangular Parallel-Plate Assemblies
(The American Society of Mechanical Engineers (ASME), 2000)Flow-induced vibrations and hydroelastic instabilities of rectangular parallel-plate assemblies are studied theoretically. The extended Galerkin method is employed to solve the plate equation, while ... -
Analysis of a Tubesheet Undergoing Rapid Transient Thermal Loading
(The American Society of Mechanical Engineers (ASME), 2000)Some Class I CANDU heat exchanger tubesheets experience very high in-plane thermal gradients under Level A/B transients. If the thermal stresses exceed the ratcheting limit of the ASME Boiler ... -
Fitting Creep-Rupture Life Distribution Using Accelerated Life Testing Data
(The American Society of Mechanical Engineers (ASME), 2000)This paper comments on using the Larson-Miller parameter to fit the creep-rupture life distribution as a function of temperature and stress. The commonly used least-squares linear regression ... -
Numerical Study of Two-Phase Granular Flow for Process Equipment
(The American Society of Mechanical Engineers (ASME), 2000)This paper reports on a research program of modeling multi-phase granular flow. Both single-phase granular flow and two-phase liquid/granular flow in a pressure vessel were considered. For the ... -
Analytical Method of Response of Piping System With Nonlinear Support
(The American Society of Mechanical Engineers (ASME), 2000)This paper deals with steady-state response of the piping system with nonlinear support having hysteresis damping characteristics. Considering the energy loss for contact with a support, an ... -
Stress Analysis and Design for Cyclic Loading
(The American Society of Mechanical Engineers (ASME), 2000)A finite element implementation of rapid cycle analysis is described and demonstrated. It forms part of a comprehensive framework for static structural analysis which consists of: linear elastic ... -
Creep-Damage Analysis: Comparison Between Coupled and Uncoupled Models
(The American Society of Mechanical Engineers (ASME), 2000)Numerical simulation of creep rupture of a reactor pressure vessel in a severe hypothetical accident needs to perfectly take account of interactions between creep phenomena and damage. The ... -
3-D Stress Intensity Factors for Internal Cracks in an Overstrained Cylindrical Pressure Vessel—Part I: The Effect of Autofrettage Level
(The American Society of Mechanical Engineers (ASME), 2000)Three-dimensional, mode I, stress intensity factor (SIF) distributions for arrays of internal surface cracks emanating from the bore of an autofrettaged thick-walled cylinder are evaluated in Part ... -
Closed-Form Collapse Moment Equations of Elbows Under Combined Internal Pressure and In-Plane Bending Moment
(The American Society of Mechanical Engineers (ASME), 2000)Elastic-plastic finite element analysis has been carried out to evaluate collapse moments of six elbows with elbow factors varying from 0.24 to 0.6. The loading conditions of combined in-plane ... -
Optimal Shapes for Axisymmetric Pressure Vessels: A Brief Overview
(The American Society of Mechanical Engineers (ASME), 2000)This paper describes how optimal shapes for axisymmetric pressure vessels can be established based on maximizing limit pressure. This type of problem has been rarely examined in the literature ... -
Extended GLOSS Method for Determining Inelastic Effects in Mechanical Components and Structures: Isotropic Materials
(The American Society of Mechanical Engineers (ASME), 2000)The extended GLOSS method of analysis has been presented here that leads to conservative bounds on inelastic local strains. Consequently, the local region constraint parameter (λ̄) is determined ... -
The Effect of Seat Geometry on Gate Valve Noise
(The American Society of Mechanical Engineers (ASME), 2000)Gate valves often act as a source of tonal noise in piping systems. Occasionally, this can lead to excessive environmental noise levels. This paper presents the results of a model testing ... -
Compressive Thermal Yielding Leading to Hydrogen Cracking in a Fired Cannon
(The American Society of Mechanical Engineers (ASME), 1999)Investigation of environmental cracking of a 1100-MPa yield strength A723 steel cannon tube subjected to prototype firings is described. Metallographic results show cracking of the steel beneath ... -
Overview of Fatigue Crack Initiation in Carbon and Low-Alloy Steels in Light Water Reactor Environments
(The American Society of Mechanical Engineers (ASME), 1999)Recent test data illustrate potentially significant effects of light water reactor (LWR) coolant environments on the fatigue resistance of carbon and low-alloy steels. The crack initiation and ... -
Linearization Techniques for Seismic Analysis of Piping System on Friction Support
(The American Society of Mechanical Engineers (ASME), 1999)Generally, industrial piping systems are supported on hangers, snubbers, friction supports, etc. Friction supports are used for free thermal expansion of the piping systems. They also have the ... -
Low-Cycle Fatigue Behavior of a Nickel-Based Alloy Under Combined Bending/Tension Loading
(The American Society of Mechanical Engineers (ASME), 1999)In this paper, the effect of a combined bending/tension loading on the fatigue resistance and on the fatigue crack growth characteristics of a nickel-based alloy at room temperature is studied. ... -
A High-Order Theory for Dynamic Buckling and Postbuckling Analysis of Laminated Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 1999)Using a high-order Reisner-Mindlin-type shear deformation theory in a power series form, the general large deformation form of the Green strain tensor for imperfect cylindrical shells is introduced. ... -
Acoustic Emission Waveform Analysis From Weld Defects in Steel Ring Samples
(The American Society of Mechanical Engineers (ASME), 1999)Acoustic emission (AE) signals from weld defects, incomplete penetration (IP), slag inclusion (SI), and porosity (PR), in longitudinal seam welding of UOE steel pipes were evaluated by using an ...