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Two cases are studied: (i) the theoretical problem of an infinite plate with a semi-infinite through crack under Mode I cyclic loading, and (ii) a finite specimen with a central through crack.
Geometric shape function, f(a/W), is a correction factor that accounts for finite specimen size in calculation of stress intensity factor (SIF).
The function f(a/W) is important as it takes care of the effect of finite specimen size in calculation of SIF according to the equation (Samal et al. 2010a, b), f a a W W = t E d C d a a W W 1 1 2 2 and K I = P 2 t W f a a W W (1).
Overall, the results indicate that the microfluidic immunoassay with finite specimen volume, heated from room temperature and captured, can be employed to measure antigen concentration over a finite range, while larger sample volumes flown into a preheated device can facilitate immunocomplex concentration and subsequent detection of dilute antigen concentrations.
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Ince (2012) used boundary element numerical method to improve the LEFM formulas over the previous LEFM formulas (Ince 2010) for the split tension cube specimens which was based on centrally cracked infinite strip with a finite width specimen.
The first of introduced modifications accounts for a finite longitudinal specimen dimension.
This new result provides a realistic explanation for why this mode has been observed in the finite size specimen experiments of Papka and Kyriakides (1999a).
In the formulation, the authors (Kumar and Pandey 2012) used the weight function of the centrally cracked infinite strip with a finite width specimen (Tada et al. 2000) and the equivalent four terms of universal weight function (Wu et al. 2003) for computing the value of cohesive toughness and consequently determining the initial cracking toughness.
The generalized self-consistent model (GSCM) is extended so as to be capable of estimating the apparent elastic properties of a finite-size specimen smaller than a representative volume element (RVE).
Demanding that the normalized distance between the kinematical and static apparent moduli of a finite-size specimen be smaller than a certain tolerance, the minimum RVE size is estimated in a closed form.
In this study, we analyzed the behavior of creep damage and fracture resistance parameters in a 3D finite thickness compact specimen by employing damage-evolution equations.
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