The unsprung masses associated with the axles of a railway vehicle result in costly impact damage to rail infrastructure. A hybrid metallic-composite (HMC) axle is evaluated using finite element analysis. mass 74 kg, 63% lighter than an equivalent hollow steel axle. HMC comprises full length, carbon fibre reinforced, epoxy matrix composite tube secondary overwrapping for stiffness and EA1N grad...

A crow search algorithm (CSA) was applied to perform the optimization of a running blade prosthetics (RBP) made composite materials like carbon fibre layers and cores acrylonitrile butadiene styrene (ABS). Optimization aims increase RBP displacement limited by Tsai-Wu failure criterion. Both criterion are predicted using artificial neural networks (ANN) trained with database constructed from fi...

The quadratic function of the original Tsai–Wu failure criterion for transversely isotropic materials is re-examined in this paper. According to analytic geometry, two troublesome coefficients associated with interactive terms—one between in-plane direct stresses and one transverse stresses—can be determined based on mathematical logical considerations. analysis nature context geometry enhances...

Back pain is the second most common reason for physician visits in the United States, and affects up to 84 percent of patients at some point in their lives (Deyo & Tsui-Wu 1987). For many patients, neck and back pain is often due to injury or spinal instability through trauma, disease or degeneration. This can cause impingement of neural structures resulting in pain, numbness, or weakness. Also...

I document strong empirical evidence showing that in the face of unexpected industry shocks a majority of acquirers may pursue takeovers to catch up with competitors. This overriding motive for takeover leads to an important selfselection problem that is largely overlooked in previous studies: acquirers are more likely to be the firms that have high potential to create value in takeovers, but m...

We examine the evolution of the galaxy luminosity function (LF) using a sample of over 2000 galaxies, with 0.12 < z < 0.55 and 17.0 < Rc < 21.5, drawn from the Canadian Network for Observational Cosmology Field Galaxy Redshift Survey (CNOC2), at present the largest such sample at intermediate redshifts. We use UBVRcIc photometry and the spectral energy distributions (SED’s) of Coleman, Wu, & We...

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Stanjehughesia floridensis anam. sp. nov. is described and illustrated from rachides and petioles of dead leaves of Sabal sp. in southeastern Florida, USA. The fungus is characterized by conidiophores reduced to monoblastic, brown, cylindrical, ampulliform or lageniform, solitary or clustered conidiogenous cells and obclavate to cylindric-obclavate, smooth, brown, 5-9 euseptate conidia with dar...

The Internet plays a pivotal role in accommodating and often shaping communication to fit changing economic and socially hectic circumstances in our lives (Das & Sahoo, 2012). In the present study we examine the effect of online social networks on voluntary engagement, giving behavior and online money contributions. We seek to test whether the internet and social media are effective platforms f...

I am pleased to report several changes at the IEEE Transactions on Software Engineering that will make the processing of papers more timely and more effective. First, we have removed the length restriction on submitted manuscripts. This should allow authors to document results in appropriate length papers. Despite the change, authors are encouraged to keep papers as short as possible. Second, w...