... the use of solid FE elements favors the stress intensity factors (SIFs), which are calculated at the crack fronts and have a central role in calculating the fatigue-induced crack propagation. Hence, this study investigated how different modeling choices may influence the calculation of the SIFs...

... ABSTRACT A fracture mechanics based fatigue crack propagation life calculation method for ultra-large container ships is developed. A deformation decoupling method is proposed for stress intensity factor calculation to reduce the computation. Spectral analysis method is introduced for crack...

...). For the two methods, the calculation of residual stress intensity factor( K res ) is the most important part(Bao et al. 2010). The weight function method or the finite element method can be utilized to calculate K res (Bao et al. 2010). Al-Mukhtar (2013) assessed the FCG of the welded steel joints...

... weibull stress plastic constraint brittle fracture hydraulic fracturing accuracy fe analysis deformation capacity critical weibull stress stress intensity factor applicability rad crack tip mixed-mode ratio ductile crack Proceedings of the Thirty-first (2021) International Ocean and Polar...

... pressure gives higher susceptibility to crack propagation. corrosion inhibition h2s management susceptibility ssc test production chemistry stress intensity factor ssc propagation behavior partial pressure upstream oil & gas propagation behavior hard-zone depth international ocean...

... stress intensity factor weight function finite thickness plate deepest point surface point determination intensity factor ship structure sif fe model weld-toe surface crack stress intensity factor calculation plate joint surface crack plate-width direction semi-elliptical surface...

...). mechanical behavior peak load mechanics loading tendency unfrozen water chae content increase fracture toughness unfrozen water content fine content load-cmod curve stress intensity factor hydraulic fracturing upstream oil & gas specimen fracture behavior strength Effects of Fine...

... uniaxial stress state stress intensity factor multiaxial stress state load level welding residual stress crack growth deformation stress concentration fatigue crack growth gusset model computation stress state characteristic tensor artificial intelligence residual stress initial...

... leonovich concrete berth structure degradation humidity destruction stress intensity factor surface tension calculation marine capillary pore sakhalin island durability gel pore concrete structure corrosion pore carbonation Degradation of Marine Reinforced Concrete Berth...

... with an equivalent crack due to localised stress concentration of pitting, the influence of corrosion damage on structural integrity can be quantified using fracture mechanics parameters such as the Stress Intensity Factor, K , and the J-integral. Hence, this paper presents a numerical model of corrosion damage...

... reliability-based flaw assessment stress intensity factor crack size hydraulic fracturing state function artificial intelligence order term limit state function flaw assessment approximation assessment random variable subsea system reliability method Reliability-based Flaw Assessment...

... Abstract In this paper, the crack stress intensity factor in weld toe of T- joint under uniaxial and biaxial load is studied. A series of geometries of semi-elliptical surface cracks were selected as elementary crack geometries, the appropriate element size of crack tips are selected according...

... impact load analysis procedure stress intensity factor obtain dsif crack angle dynamic stress intensity factor crack tip intensity factor magnitude dsif boundary element method fracture mechanics hydraulic fracturing auxiliary field actual field international journal interaction...

... subjected to general internal pressure, and the problem is formulated on the basis of the body force method. The stress intensity factors are given with varying material combinations. It is found that the stress intensity factors and are determined by the bi-materials constant alone, independent of elastic...

... british standard institution fatigue assessment crack growth stress intensity factor critical crack size stress range propagation crack size fracture mechanics crack propagation platform fatigue crack growth hydraulic fracturing sensitivity formula assessment jacket platform initial crack...

... Center, Dalian University of Technology. DaLian, LiaoNing, People s Republic of China ABSTRACT This paper presents a new method to evaluate the stress intensity factor at the deepest position for welded plate joints with semi-elliptical surface crack in tension, based on maximum crack opening...

... of impact. evaluation value floor type equation strain energy crack length impact energy crack propagation velocity calculation result stress intensity factor crack arrest toughness specimen reaction force receiver test specimen arrest toughness propagation velocity Effect of Impact...

... dynamic stress intensity factor. The latter effect depends not only on the stress intensity factor but also on crack velocity. The model was applied to temperature-gradient crack arrest tests and ultra-wide duplex crack arrest test. The model successfully explained anomalous crack arrest toughness under...

... samples with two cracks were studied in two di- rections. KEY WORDS: Structural strength; concrete; fracture strength; fracture surface; critical stress intensity factor. INTRODUCTION Despite the introduction of the modern practice of construction using new structural composites, one of the most popular...

... strain capacity finite element method fracture toughness stress intensity factor hydraulic fracturing diameter pipeline midstream oil & gas growth-strain chart thickness xfem pipeline Evaluation of Tensile Strain Capacity for Pipelines Using Strain-Based Design Seung-Jung Lee1, Jae Yoon...