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RISCollapse Characteristics of a Thin-Walled Elbow: Validation of an Analytical Procedure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A nonlinear analysis procedure is validated in this paper to predict deformation response, up to collapse, of thin-walled Liquid Metal Reactor (LMR) piping elbows. Nonlinear shell analysis ...
Stress Classification for Elevated Temperature Service
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper presents two procedures which can be used to classify the stresses originating at the structural discontinuities of pressure vessel and piping components designed for elevated temperature ...
Structural Evaluation of a Butt-Welded Elbow End: A Simplified Procedure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Explicit piping design procedures are not provided in theASME Code for structural evaluation of ovalization and fabrication effects at the butt-welded end of an elbow. This paper presents a ...
Creative Design-by-Analysis Solutions Applied to High-Temperature Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Elevated temperature design has evolved over the last two decades from design-by-formula philosophy of the ASME Boiler and Pressure Vessel Code, Sections I and VIII (Division 1), to the ...
Verification of an Elastic Procedure to Estimate Elastic Follow-Up
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a simplified elastic procedure to estimate the amount of elastic follow-up due to thermal expansion stress experienced by a large diameter (greater than 200 mm) thin-walled ...
Numerical Estimate of Elastic Follow-Up in Piping: Inelastic Evaluation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Large-diameter thin-walled piping such as that used in the Liquid Metal Fast Breeder Reactor (LMFBR) plant is characterized by relatively stiff straight pipes welded to flexible elbows. According ...
Influence of Weld Factors on Creep-Rupture Cracking at Elevated Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this paper is to identify the weld effects which are of primary importance in elevated temperature design. A full-scale Fast Flux Test Facility (FFTF) Intermediate Heat Exchanger ...
Effect of Yield Strength Variations on the Inelastic Response of a C-Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: General purpose nonlinear computer programs are frequently used to satisfy inelastic code criteria. It is important to know the sensitivity of the predicted results to variations in the input ...
A Procedure to Incorporate Effects of Seismic Events in a Quasi-Static Piping System Inelastic Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Inelastic analysis of a prototypic liquid metal fast breeder reactor (LMFBR) piping system is generally performed without explicit consideration of time-dependent seismic loading. This paper presents ...
Implication of Elastic Stress Range at Structural Discontinuity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper illustrates that in addition to the elastic stress intensity range it is necessary to evaluate the stress intensities (and corresponding material properties) at specific times during ...