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Proc. ASME. PVP2020, Volume 3: Design and Analysis, V003T03A017, August 3, 2020
Paper No: PVP2020-21255
... Abstract Stress Intensification Factors or SIFs allow piping to be analyzed using beam theory, with a SIF representing local effects of specific piping geometry. However, the current piping codes do not explicitly provide SIFs for collared type piping joints for use in pipe stress calculations...
Proc. ASME. PVP2020, Volume 8: Operations, Applications, and Components, V008T08A004, August 3, 2020
Paper No: PVP2020-21863
... a ‘Temperature de-rating factor, @(Taa)’ which can be used to derive actual expected temperature distribution. Further this paper provides a table to get the actual SIF of Tee and Fittings obtained by FEA. At the end it provides comparison between the results obtained by present industry practices against...
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A001, August 3, 2020
Paper No: PVP2020-21026
... criterion but the crack does not propagate in radial direction (G I < G IC ). PTS SIF fracture mechanics LBLOCA TRACE CRACK PROPAGATION MODELING IN A PWR UNDER PTS USING XFEM Diego F. Mora1, Markus Niffenegger1, Roman Mukin2 1Paul Scherrer Institut, Laboratory for Nuclear Materials, CH-5232...
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A022, July 14–19, 2019
Paper No: PVP2019-94019
.... The calculation of stress intensity factor (SIF) makes use of the eXtended FEM (XFEM) approach. The computed SIF of the postulated cracks at the inner surface of the RPV wall are compared with the ASME fracture toughness curve of the embrittled RPV material. For different transient scenarios, the boundary...
Proc. ASME. PVP2005, Volume 5: High Pressure Technology, Nondestructive Evaluation, Pipeline Systems, Student Paper Competition, 23-31, July 17–21, 2005
Paper No: PVP2005-71113
..., Pearlstone Center for Aeronautical Engineering Studies, Ben Gurion University of the Negev, Beer Sheva, 84105, Israel. hick-walled cylinder is investigated. A thorough omparison between the prevailing SIFs for a realistic - auschinger Effect Dependent Autofrettage (BEDA) and hose for an ideal...
Proc. ASME. PVP2005, Volume 5: High Pressure Technology, Nondestructive Evaluation, Pipeline Systems, Student Paper Competition, 13-21, July 17–21, 2005
Paper No: PVP2005-71112
... 04 08 2008 The influence of the Bauschinger Effect ( BE ) on the three dimensional, Mode I, Stress Intensity Factor (SIF) distributions for arrays of longitudinal coplanar, surface cracks emanating from the bore of a fully or partially autofrettaged thick-walled cylinder...