Abstract Background The Stress Intensity Factor (SIF) is used to describe the stress state and mechanical behaviour of a material in presence cracks. SIF can be experimentally assessed using contactless techniques such as Thermoelastic Analysis (TSA). classic TSA theory concerns relationship between temperature variations was successfully applied fracture mechanics for evaluation crack tip loca...

Mapping of terrestrial chlorophyll fluorescence from space has shown potential for providing global measurements related to gross primary productivity (GPP). In particular, space-based fluorescence may provide information on the length of the carbon uptake period. Here, we show an example of the ability of global satellite fluorescence retrievals to track seasonal cycle of photosynthesis as est...

In this paper, stress-intensity factor solutions are presented for an embedded elliptical crack in a round bar subjected to tensile load. The factors (SIF) tabulated form and were obtained from three-dimensional finite-element analyses of configuration. provide the as function three dimensionless parameters representative size, aspect ratio flaw its relative position cross section. cover ranges...

An extensive literature review was conducted primarily to develop a comprehensive understanding of the quantitative behavior residual stress (RS) distribution in weld joints. Based on prior data, various levels peak RS and profiles were applied finite element analyses (FEA) model as an initial loading evaluate effect Mode-I intensity factor (SIF), KI. The not found have significant SIF values w...

Abstract In today’s time, construction is the main key for development of any nation, but land resources are getting deplete. Thus, on compressible soil left as a choice. Stone columns or granular piles (GPs) broadly used to advance bearing capacity crummy ground and lessen displacement constructionserected them. GP most efficient cheap improvement. Analysis single partially strengthened (SPS) ...

As functionally graded material (FGM) plates are widely used in engineering and industrial fields, the fracture strength evaluation of cracked FGM plate becomes increasingly important. However, due to gradation mechanical properties FGM, few analytical methods simple available. In this paper, a convenient method for under different loadings is proposed terms stress intensity factor (SIF) appear...

BACKGROUND Overdose from illicit drugs is a leading cause of premature mortality in North America. Internationally, more than 65 supervised injecting facilities (SIFs), where drug users can inject pre-obtained illicit drugs, have been opened as part of various strategies to reduce the harms associated with drug use. We sought to determine whether the opening of an SIF in Vancouver, BC, Canada, ...

Many Canadian cities are experiencing ongoing infectious disease and overdose epidemics among injection drug users (IDUs). In particular, Human Immunodeficiency Virus (HIV) and hepatitis C Virus (HCV) have become endemic in many settings and bacterial and viral infections, such as endocarditis and cellulitis, have become extremely common among this population. In an effort to reduce these publi...

BACKGROUND An indocyanine-green (ICG) angiography is rarely used as the only diagnostic procedure. Almost always it is performed additionally to a fluorescein angiography. The use of simultaneous ICG and fluorescein (SIF) angiography therefore makes sense. Several examples for the application of SIF-angiography are presented. MATERIALS AND METHODS SIF-angiography was performed using a 2-wavel...

in this paper, the problem of calculating the stress intensity factor (sif) for an orthotropic thick-walled cylinder with a small radial crack subject to internal pressure is considered. the crack is assumed to be an edge crack on the external radius of the cylinder. the stress intensity factor is calculated by superposition of an uncracked cylinder with uniform stress distribution and a cylind...