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Keywords: finite element method
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Proceedings Papers

Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A038, July 13–15, 2021
Paper No: PVP2021-61358
... and initial internal pressure; while the diameter-thickness ratio and indenter diameter display a negative effect. Based on the finite element results, an engineering calculation equation of the re-rounding coefficient was fitted by the nonlinear regression method. dent finite element method re...
Proceedings Papers

Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T02A002, July 13–15, 2021
Paper No: PVP2021-61621
... in the calculation of the bolt stiffness and a new technique to accurately determine the stiffness of clamped members are detailed. bolted joint bolt stiffness clamped members stiffness equivalent bolt length finite element method Proceedings of the ASME 2021 Pressure Vessels & Piping Conference...
Proceedings Papers

Proc. ASME. PVP2021, Volume 3: Fluid Structure Interaction; High Pressure Technology, V003T04A002, July 13–15, 2021
Paper No: PVP2021-61657
.... coil-wound heat exchanger curved tube coil tube modal analysis finite element method Proceedings of the ASME 2021 Pressure Vessels & Piping Conference PVP2021 July 13-15, 2021, Virtual, Online PVP2021-61657 Numerical studies on modal analysis of curved tube and coil tube in coil-wound heat...
Proceedings Papers

Proc. ASME. PVP2020, Volume 4: Fluid-Structure Interaction, V004T04A013, August 3, 2020
Paper No: PVP2020-21535
... on the natural frequencies is discussed. The natural frequencies and transient responses are in good agreement with those obtained from the commercial finite element software. Moreover, the technique is proved to be effective to solve the coupled system. fluid-structure interaction finite element method...
Proceedings Papers

Proc. ASME. PVP2020, Volume 2: Computer Technology and Bolted Joints, V002T02A015, August 3, 2020
Paper No: PVP2020-21718
... applicable to layout changes of bolted joints as a similarity rule. Keywords: Bolted joints, Load eccentricity, Interface opening, Finite element method, Bolt-stress nonlinearity NOMENCLATURE a Eccentric distance between bolt axis and loading point AA Largest cross section of substitutional deformation cone...
Proceedings Papers

Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A009, August 3, 2020
Paper No: PVP2020-21529
.... But, modeling TP-FRPC structures is not a trivial task due to their anisotropic and time-dependent properties. In this study, a new technique based on the finite element method is proposed to model anisotropic time-dependent behavior of TP-FRPCs. In the proposed technique the composite mechanical properties...
Proceedings Papers

Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A023, August 3, 2020
Paper No: PVP2020-21118
... differences between their mechanical properties such as natural frequency. The results are compared with some other references. dynamic modification cylindrical shells variable thickness finite element method natural frequency STRUCTURAL DYNAMIC MODIFICATION OF CYLINDRICAL SHELLS WITH VARIABLE...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A021, July 14–19, 2019
Paper No: PVP2019-94002
...). This paper revisited several specimen geometries under biaxial loading with finite element method. The sources of discrepancy between the theory and the test data were identified. It was found that the ideal biaxial loading would not be achieved for typical fracture specimens with finite geometry. Comparison...
Proceedings Papers

Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A058, July 14–19, 2019
Paper No: PVP2019-93502
... and limitations of this IP-assisted approach are discussed. Keywords: ageing components; ageing structures; crack growth exponent; crack initiation; crack propagation; NDE; nondestructive evaluation; failure prevention; fatigue modeling; finite element method; fracture mechanics; inspection interval; mathematical...
Proceedings Papers

Proc. ASME. PVP2019, Volume 2: Computer Technology and Bolted Joints, V002T02A008, July 14–19, 2019
Paper No: PVP2019-93699
... surface area ;7-8]One final benefit of the assumption of zero elasticity is its simplification of dynamic analysis. Contribution of the U.S. National Institute of Standards & Technology. Not subject to copyright Keywords: finite element method, MPACT, plasticity, Mooney Rivlin Material, zero elasticity...
Proceedings Papers

Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A026, July 14–19, 2019
Paper No: PVP2019-93127
..., the proposed method successfully accounts for the complex lug-to-lug interaction while retaining the simplicity of the original Appendix Y approach. Keywords: Piping lug, structural analysis, Appendix Y, thermal transient analysis, thermal stress, localized stress, 3D FEA, finite element method NOMENCLATURE E...
Proceedings Papers

Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A101, July 14–19, 2019
Paper No: PVP2019-94076
.... 1 Contact author: Markus.Niffenegger@psi.ch Keywords: Probabilistic fracture mechanics, pressurized thermal shock, computational fluid dynamics, finite element method, warm pre-stressing. NOMENCLATURE a Crack depth, mm 2c Crack length, mm w Thickness of RPV wall KI Linear elastic SIF mode I...
Proceedings Papers

Proc. ASME. PVP2013, Volume 1B: Codes and Standards, V01BT01A021, July 14–18, 2013
Paper No: PVP2013-97602
... in the engineering field. This paper conducted genetic mechanism analysis on ultrahigh pressure polyethylene tubular reactors with corrosion pits in LDPE plant. The ultimate bearing capacity analysis was carried out for tubular reactor with pits by three-dimensional finite element method. The effects of depth...
Proceedings Papers

Proc. ASME. PVP2013, Volume 3: Design and Analysis, V003T03A091, July 14–18, 2013
Paper No: PVP2013-97723
... will be of interest and value to researchers when they design the similar structures in the future. KEYWORDS: high pressure vessel; rubber O-ring; sealing device; finite element method; optimum design INTRODUCTION A sealing device is an important part of high pressure vessels, and the rationale for the design...
Proceedings Papers

Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 521-526, July 17–21, 2011
Paper No: PVP2011-57438
... thermal expansion and creep deformation of complex piping system. Consequently, accurate stress analyses of weldments under plant operation become now enabled. P91 steel weldment piping system finite element method thermal expansion internal pressure 1 Copyright © 20xx by ASME Proceedings...
Proceedings Papers

Proc. ASME. PVP2011, Volume 1: Codes and Standards, 453-458, July 17–21, 2011
Paper No: PVP2011-57448
... of lateral separation to crack length. At the same time, some experimental tests were carried out to validate the analysis results. Keywords: multiple cracks, finite element method, experiment 1 INTRODUCTION The interaction effect among cracks has received significant attentions in recent years [1] because...
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 5, 463-471, July 18–22, 2010
Paper No: PVP2010-25545
... strain finite element method is illustrated as the proper method to simulate welding residual stress and deformation in buckling analysis and its detail setting procedures in ABAQUS are given. A small model cylinder is analyzed under three conditions (one circumferential weld only, one meridian weld only...
Proceedings Papers

Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 1, 885-896, July 18–22, 2010
Paper No: PVP2010-25321
..., the comparisons of the simulation results and the measured data have shed light on how to effectively simulate welding residual stress in these typical joints. Finite element method Numerical simulation Stress corrosion cracking Residual stress 1 Copyright © 2010 by ASME 90Proceedings of PVP2010 2010...
Proceedings Papers

Proc. ASME. PVP2008, Volume 6: Materials and Fabrication, Parts A and B, 1537-1564, July 27–31, 2008
Paper No: PVP2008-61602
.... Significance and limitations of this new approach to catastrophic failure avoidance through “robust” design, are discussed. Aging structures analysis of variance applied mechanics bridge design design of experiments engineering safety error propagation finite element method NDE monitoring RBI...
Proceedings Papers

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...