The asymptotics of the moving contact line: cracking an old nut

This article has been published in a revised form in Journal of Fluid Mechanics https://doi.org/10.1017/jfm.2014.702. This version is free to view and download for private research and study only. Not for re-distribution, re-sale or use in derivative works. © Cambridge University Press.For contact line motion where the full Stokes flow equations hold, full matched asymptotic solutions using slip models have been obtained for droplet spreading and more general geometries. These solutions to the singular perturbation problem in the slip length, however, all involve matching through an intermediate region that is taken to be separate from the outer-inner regions. Here, we show that the intermediate region is in fact an overlap region representing extensions of both the outer and the inner region, allowing direct matching to proceed. In particular, we investigate in detail how a previously seen result of the matching of the cubes of the free surface slope is justified in the lubrication setting. We also extend this two-region direct matching to the more general Stokes flow case, offering a new perspective on the asymptotics of the moving contact line problem

Extremely low frequency based communication link

The paper discusses the literature review and the possibility of using the ground itself as transmission medium for various users’ transceivers and an administrator transceiver using Multi-Carrier-Direct Sequence-Code Division Multiple Access (MC-DS-CDMA), Orthogonal Frequency Division Multiplexing (OFDM),16-Quadrature Amplitude Modulation (16-QAM), Frequency Division Duplex (FDD) and Extremely Low Frequency (ELF) band for the applications of Oil Well Telemetry, remote control of power substations or any system that its responding time is not critical

The Impact of Terrain on Strategy

This is a subject that has won battles, campaigns, and wars for those who respected and under­stood it; on the other hand, its neglect has brought superior forces to their knees. It is one of the most important subjects in the wide spectrum of military strategy, but also one of the least esteemed and most frequently overlooked

The Effects of Long-Term Muscle Disuse on Neuromuscular Function in Unilateral Transtibial Amputees

The purpose of this study was to determine: (1) whether individuals with unilateral transtibial amputations (ITTAs), who habitually disuse the quadriceps muscles of their amputated limb, provide an effective model for assessing the effects of long-term muscle disuse; and (2) the effects of such disuse on quadriceps muscle strength and neuromuscular function in this population. Nine ITTAs and nine controls performed isometric voluntary knee extensions in both limbs to assess maximal voluntary torque (MVT) and rate of torque development (RTD). The interpolated twitch technique and EMG normalised to maximal M-wave assessed neural activation, involuntary (twitch and octet) contractions assessed intrinsic contractile properties, and ultrasound images of the vastus lateralis assessed muscle architecture. Clinical gait analysis was used to measure knee kinetic data during walking at an habitual speed. ITTAs displayed 54-60% lower peak knee extensor moments during walking in the amputated than intact/control limbs, but the intact and control limbs were comparable for loading during walking and muscle strength variables, suggesting the intact limb provides a suitable internal control for comparison to the disused amputated limb. MVT and RTD were ~60% and ~75% lower, respectively, in the amputated than intact/control limbs. The differences in MVT appeared associated with ~40% and ~43% lower muscle thickness and neural activation, respectively, whilst the differences in RTD appeared associated with the decline in MVT coupled with slowing of the intrinsic contractile properties. These results indicate considerable changes in strength and neuromuscular function with long-term disuse, that could not be predicted from short-term disuse studies. This is the peer reviewed version of the following article: The Effects of Long-Term Muscle Disuse on Neuromuscular Function in Unilateral Transtibial Amputees, which has been published in final form at Experimental Physiology. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Version

Self-Determination Theory and Juvenile Delinquency: A Validation of a Combined Theory for Understanding Youth in Conflict with the Law

In this study, we propose an expanded theory of delinquency that integrates social learning, control, and motivationally based explanations of human behavior. We posit that delinquency occurs partly due to attempts to fulfill 3 developmentally necessary psychological needs; auton-omy, competence, and relatedness. Melding elements of 3 theories (Social Control Theory [Hirschi, 1972], General Crime Theory [Gottfredson & Hirschi, 1990], and Self Determination Theory [Deci & Ryan, 1985, 2000a, 2008]), provides a better understanding of the precursors to delinquency and possible approaches to mitigating their impact. The study examines: (a) the extent to which the 3 basic psychological needs (competence, autonomy, and relatedness) are relevant constructs to discussing delinquency, (b) how the fulfillment of these needs varies in different environments (e.g., in school v. in the hood), and (c) ways to address these needs to mitigate delinquency and school failure. Twenty-seven adjudicated youths from a county deten-tion program completed a questionnaire regarding the extent to which the 3 constructs were rel-evant in their lives, and if the meeting of these needs varied as a function of setting. Seven interviews were also conducted to expand upon survey results. Findings support the following constructs: that the attitudes of youths vis-à-vis these basic needs can and will vary signifi-cantly in different settings; and that delinquency prevention and school reform will be enhanced when the basic needs of a student (i.e., to be respected [autonomy], to be engaged [relatedness], and to experience success [competence]), are met

Behind the British New Far-Right’s veil: do individuals adopt strategic liberalism to appear more moderate or are they semi-liberal?

The New Far-Right is often equated with fascism within mainstream political discourse. Although there are fascistic elements of the far-right generally, the New Far-Right is typified by its adoption of liberal values and support of democracy. Some argue that this adoption of liberal values is a strategy to distance themselves from fascism, while others argue that their pro-liberal position is semi-liberal. This article aims to understand whether individuals within the British New Far-Right are strategically liberal or semi-liberal. Fifteen semi-structured interviews were conducted with three British New Far-Right groups. Using reflexive thematic analysis, three grievance-based themes were developed: Islam, COVID-19, and liberal values. While some narratives were nationalistic using liberal values to oppose Islam, others discussed liberal rights topics that were not related to nationalism. Supporting previous research, previously left-wing individuals were more likely to hold semi-liberal arguments, whereas previously right-wing individuals were more likely to be strategically liberal