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Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A069, August 3, 2020
Paper No: PVP2020-21379
...Abstract Abstract The stress compensation method (SCM) for shakedown and limit analysis was previously proposed and applied to elastic-perfectly plastic (EPP) piping elbows. In this paper, the SCM is extended to account for limited kinematic hardening (KH) material model based on the extended...
Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A078, July 14–19, 2019
Paper No: PVP2019-93268
...DIRECT ANALYSIS OF POST-SHAKEDOWN QUANTITIES WITH THE STPZ CONSIDERING MULTI-PARAMETER LOADING Bastian Vollrath1, Hartwig Hübel Brandenburg University of Technology Cottbus - Senftenberg Cottbus, Germany ABSTRACT If a structure is subjected to cyclic loading, strain, displacements etc. may...
Proc. ASME. PVP2019, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 27th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD), V005T09A003, July 14–19, 2019
Paper No: PVP2019-93263
...SHAKEDOWN AND LIMIT ANALYSIS OF 45-DEGREE PIPING ELBOWS UNDER INTERNAL PRESSURE AND CYCLIC IN-PLANE BENDING Heng Peng Department of Engineering Mechanics, AML, Tsinghua University Beijing, China firstname.lastname@example.org Yinghua Liu1 Department of Engineering Mechanics, AML, Tsinghua...
Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A078, July 14–18, 2013
Paper No: PVP2013-98084
... in shakedown analysis are based the assumption that the stresses are eventually within the elastic range of the material everywhere in a component (elastic shakedown). Therefore, these approaches are not very useful to predict the ratcheting limit (ratchet limit) of a component/structure in which the magnitude...
Proc. ASME. PVP2011, Volume 1: Codes and Standards, 629-638, July 17–21, 2011
Paper No: PVP2011-57834
... 1 Copyright © 2011 by ASME Proceedings of the ASME 2011 Pressure Vessels & Piping Division PVP2011 July 17-21, 2011, Baltimore, Maryland, USA PVP2011-57834 Ratcheting/Shakedown Analysis of Cracked Structures R. Adibi-Asl1*, W. Reinhardt2 1-AMEC NSS Ltd., 393 University Ave., Toronto, ON, Canada 2...
Proc. ASME. PVP2011, Volume 2: Computer Technology and Bolted Joints, 311-320, July 17–21, 2011
Paper No: PVP2011-57013
... In this study, the limit load, shakedown and ratchet limit of a defective pipeline subjected to constant internal pressure and a cyclic thermal gradient are analyzed. Ratchet limit and maximum plastic strain range are solved by employing the new Linear Matching Method (LMM) for the direct...
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 2, 89-98, July 18–22, 2010
Paper No: PVP2010-25429
... Copyright © 2010 by ASME 1 SHAKEDOWN BEHAVIOUR OF COMPOSITE CYLINDERS WITH CROSS HOLE Haofeng Chen Weihang Chen Department of Mechanical Engineering Department of Mechanical Engineering University of Strathclyde University of Strathclyde Glasgow, Scotland, UK Glasgow, Scotland, UK Tianbai Li James...
Proc. ASME. PVP2008, Volume 2: Computer Applications/Technology and Bolted Joints, 277-285, July 27–31, 2008
Paper No: PVP2008-61092
... 24 07 2009 For a cyclically loaded structure made of elastic-plastic material it is considered elastic shakedown if plastic straining occurs in the first few cycles and the sequent response is wholly elastic. In this paper the finite element method is used to develop upper and lower...
Proc. ASME. PVP2008, Volume 1: Codes and Standards, 795-803, July 27–31, 2008
Paper No: PVP2008-61091
... 24 07 2009 The paper presents the nonlinear shakedown analysis using finite element method for piping bends taking account of the maximum ovality tolerance. In the ASME Code, Section III NB-4223.2, it is required that the ovality tolerance of piping after bending shall be considered...
Proc. ASME. PVP2008, Volume 1: Codes and Standards, 823-832, July 27–31, 2008
Paper No: PVP2008-61641
... 24 07 2009 A simple and systematic procedure is proposed for shakedown analysis using combination of linear and non-linear finite element analysis (FEA). The method can identify the boundary between the shakedown and ratcheting domains directly does not require a time history analysis...
Topics: Elastic moduli
Proc. ASME. PVP2005, Volume 3: Design and Analysis, 443-450, July 17–21, 2005
Paper No: PVP2005-71420
.... The development of the simplified elastic-plastic analysis approach is reviewed to establish the technical basis for the present code rules. The concepts of fatigue, shakedown to elastic action, thermal bending, elastic follow-up, notch factor, and strain redistribution are discussed. Recommendations for changes...
Proc. ASME. PVP2006-ICPVT-11, Volume 1: Codes and Standards, 263-268, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-93788
... Ratcheting Shakedown Proceedings of PVP 2006: Pressure Vessel and Piping Vancouver, BC, July 2006 NOMENCL a Vess C Noz D Noz E Mod h Noz Ke Fatig L Noz m Fatig n Fatig P Inter Pm Gen Q Seco R Noz Proceedings of PVP2006-ICPVT-11 2006 ASME Pressure Vessels and Piping Division Conference July 23-27, 2006...
Proc. ASME. PVP2006-ICPVT-11, Volume 3: Design and Analysis, 423-429, July 23–27, 2006
Paper No: PVP2006-ICPVT-11-94011
... strain accumulation and a physical basis for ascertaining if a structure under primary and secondary loading will behave elastically, plastically, shakedown, or ratchet. Comparisons of the method with inelastic analysis results have demonstrated its conservatism in stainless steel at temperatures...