... support and resources. This research was supported in part by the National Science Foundation through its TeraGrid resources at NCSA. 30 01 2011 03 08 2011 13 01 2012 13 01 2012 crack-edge stress field analysis fatigue cracks finite element analysis pressure vessels...

... crack can provide a more accurate fatigue life design; however, the numerical procedure is more time-consuming because the crack aspect ratio, a / ℓ , shall be updated as the crack size increases. fatigue life pressure vessel stress intensity factor crack-edge stress field...

... for densely packed cracks further influenced by crack depth. 31 07 2009 08 03 2010 17 08 2010 17 08 2010 Bauschinger effect crack-edge stress field analysis fatigue finite element analysis internal stresses pressure vessels shapes (structures) surface cracks Thick...

... 420 1.375 4.01 09 07 2009 10 02 2010 05 08 2010 05 08 2010 crack-edge stress field analysis elastoplasticity finite element analysis fracture mechanics pipes pressure vessels shells (structures) stress-strain relations surface cracks finite element...

... 23 07 2010 crack-edge stress field analysis elastic moduli fracture toughness fracture toughness testing steel stress-strain relations surface cracks Weibull distribution Prevention of brittle fracture is the most important issue for securing the safety of steel structures...

... development, welding, manufacturing, maintenance, inspection, and structural integrity assessment. Feasibility studies ( 1 2 ) have been launched in Europe for high performance gas pipelines with higher strength steels beyond X80. brittle fracture crack-edge stress field analysis ductile fracture...

... detection crack-edge stress field analysis creep elasticity finite element analysis plates (structures) Multiple cracks are frequently occurred in actual components, such as pressure vessels, power plant, and the advanced nuclear reactor. Studies indicate that the stress field around the crack...

... is obtained for the M ( T ) geometry using the high-strain fit (fit B ). 26 09 2007 24 12 2008 21 04 2009 crack-edge stress field analysis finite element analysis structural engineering work hardening fracture constraint elastic-plastic finite-element...

... for all cases was in the range of a / W = 0.1 – 0.5 . In case of semi-elliptical crack, the normalized crack length a / c was all in the range of 0.063–1. 28 12 2007 10 08 2008 17 04 2009 crack-edge stress field analysis fatigue cracks heat transfer thermal stress cracking thin...

... LWR materials and conditions exhibits similar dependencies and occurs by a common mechanism ( 2 5 6 7 8 9 ), with the crack tip always deaerated and at low potential. stainless steel fission reactor materials nickel alloys stress corrosion cracking internal stresses crack-edge stress...

... of nickel based alloys in high-temperature aqueous environments is also discussed. 20 11 2005 28 08 2006 stress corrosion cracking fracture mechanics deformation elastoplasticity finite element analysis austenitic stainless steel crack-edge stress field analysis crack tip...

... for this test case for a variety of crack lengths. 23 01 2006 01 06 2006 slabs thermal stress cracking thermal shock crack-edge stress field analysis plates (structures) thermoelasticity polynomials structural engineering Thermal shock is a common problem encountered in many...

.... Numerical results are presented. 27 03 2006 29 03 2006 sheet materials integral equations plasticity crack-edge stress field analysis The problem of internal cracks in a semi-infinite sheet is one of the fundamental problems, and various stress intensity solutions are obtained...

...-edge stress field analysis shrink fitting Multilayer pressure vessels are widely used in the field of high pressure technology. To enhance multilayer pressure vessels’ load bearing capacity and life, different processes such as shrink fit and autofrettage are usually employed. Shrink fit...

... Appearance of the Sp1 type notched round bar tensile specimen for material A: ( a ) before test and ( b ) after test Stress and strain at the minimum cross section of the notched specimen 12 06 2005 01 12 2005 pipes bending crack-edge stress field...

...-edge stress field analysis finite element analysis pressure vessels yield stress internal stresses wear Reactor pressure vessels, power plant boilers, chemical reactors, and gun barrels are only a few examples of the industrial use of thick-walled cylindrical pressure vessels. Cylinders...

... with 1.0% nominal strain amplitude and 0.1 h holding at 97% load reduction. ( a ) magnification 500; ( b ) 200. 30 09 2005 15 10 2005 plates (structures) creep fracture stainless steel crack-edge stress field analysis Nuclear power systems will take an important...

... pressure vessels steel finite element analysis plastic deformation statistical analysis crack-edge stress field analysis constraint effects statistical effects transition toughness 2 The American Society for Testing and Materials (ASTM) E 1921, “Standard Test Method for Determination...

... crack-edge stress field analysis fracture mechanics elasticity polynomials boundary-elements methods In the failure assessment of cracked components using linear elastic fracture mechanics (LEFM), the conventional procedure is to compare just the calculated stress intensity factor...

.... , 2002 , “ On the characteristic distance and minimum fracture toughness for cleavage fracture in a C–Mn steel ,” Int. J. Fract. 0376-9429 10.1023/A:1022694607292 , 118 , pp. 57 – 76 . crack-edge stress field analysis fission reactor materials fission reactor safety ductile-brittle...