[PDF] Top 20 Cyclic J-integral using the linear matching method

... to cyclic tensile loading with a/W = ...step-by-step cyclic loading case (c)LMM result for cyclic loading case From ...the cyclic response values do not reach the steady cyclic ...the ... See full document

... latest Linear Matching Method (LMM) has the capability to evaluate the stable cyclic response, which produces cyclic stresses, residual stresses and plastic strain ranges for the low ... See full document

... assessment method R5 [Chen, Ponter and Ainsworth (2006)], for the high temperature response of structures, including the evaluation of the high temperature ...to cyclic problems where creep is not an issue ... See full document

... analysis method [19], the LMM has been extended beyond the range of most other direct methods by including the evaluation of the ratchet limit [15, 16, 20] and steady-state cyclic behaviour with ... See full document

... stabilised cyclic response of a structure under creep con- ditions, and more accurate assessments of the resulting cyclic and residual stresses, creep strain, plastic strain range, ratchet strain and the ... See full document

... The lower and upper load multipliers given by this analysis were 0.024 and 0.087 respectively, which correspond to an allowable increase in pressure of 2.4% and 8.7% respectively. This means that an increase in pressure ... See full document

... a method for predicting failure of a surface containing a ...presents. Linear Elastic Fracture Mechanics (LEFM) is used to evaluate the Stress Intensity Factor (SIF) of the ...(CMOD), J ... See full document

... Figure 5-10 present the plastic strain amplitudes at load extremes and the accumulated creep strain after dwell period 10000 hours for the holed plate subjected to three load cases by both the LMM and the step-by-step ... See full document

... The parametric study presented in this paper is based on the research outcomes given in prior work [4] validated by match- ing the basic experiments [6, 7, 8, 9]. These outcomes briefly include: 1) more realistic ... See full document

... classical method of successive approxi- mations for integral ...iteration method [] and Adomian decompo- sition method [] were effective and convenient for solving integral ...analysis ... See full document

... of cyclic thermal and mechanical ...assessment method under the Linear Matching Method framework, where the creep rupture limit is evaluated through an extended shakedown analysis ... See full document

... the J-integral by Rice [8], the most general and useful way to predict the behavior of a cracked body has been through the application of the J-integral such as [9], [10] and [11], just to ... See full document

... the Linear Matching Method (LMM) framework have been developed to address structural integrity issues for components subjected to cyclic thermal and mechanical load ...tool using the ... See full document

... used J-integral analysis available in ANSYS finite element software version ...constructed using ANSYS Parametric Design Language ...of J-integral produced a single value of ... See full document

... element method is capable of modelling mesh independent cracking, meaning that crack initiation and propagation can be modeled without prior ...and J-Integral for stationary cracks. This ... See full document

... to cyclic loading at high temper- ature, welded joints are usually considered as the critical loca- tions of potential creep-fatigue ...unified integral ap- proach able to improve the life prediction ... See full document

... the linear matching process has begun, but because the elastic solutions have been performed before this process a single value of thermal expansion must be ...of cyclic thermal load, but to create ... See full document

... considered using EIFS concept. Back extrapolation method was used for estimating EIFS by the aid of both cyclic stress intensity factor (ΔK) and cyclic J integral ... See full document

... Fig.2 is the Bree [2] diagram, which illustrates the responses for the case of a pressurised cylinder subject to cyclic through-wall thermal stress. The ordinate and absicca give normalised values of pressure and ... See full document

... a method for predicting failure of a surface containing a ...presents. Linear Elastic Fracture Mechanics (LEFM) is used to evaluate the Stress Intensity Factor (SIF) of the ...(CMOD), J ... See full document