Advancing Communities of Learning: A Collaborative Project between Local Universities, Funding Agencies, and Nonprofits to Develop a Subsidized Senior-Transportation Plan

The growing population of seniors in the United States poses both interesting and challenging transportation policy issues that demand research on alternatives to current transportation systems. This study was motivated by a local foundation’s interest in senior quality-of-life issues in the communities served. The aim of this study was to assess senior transportation needs and systems as a means to move policy makers and funders closer to providing high-quality senior transportation services. The localized nature of senior transportation needs is best examined as a case study. In this article, one mid-sized Indiana community is examined using focus group interviews and individual surveys of senior citizens. In addition, a survey of the literature on senior-transportation models provided critical information relevant to formulating best-practice recommendations for community-level senior-transportation systems. To design effective senior-transportation systems, five critical factors are evaluated. Finally, the article presents a case study highlighting the importance of multisector collaboration in addressing the challenges and opportunities associated with critical senior-transportation issues in upcoming decades

Three dimensional steady and unsteady asymmetric flow past wings of arbitrary planforms

The nonlinear discrete vortex method was extended to treat the problem of asymmetric flows past a wing with leading-edge separation, including steady and unsteady flows. The problem was formulated in terms of a body-fixed frame of reference, and the nonlinear discrete vortex method was modified accordingly. Only examples of flows past delta wings are presented. Comparison of these results with experimental results for a delta wing undergoing a steady rolling motion at zero angle of attack demonstrates the superiority of the present method in obtaining highly accurate loads. Numerical results for yawed wings at large angles of attack are also presented. In all cases, total load coefficients, pressure distributions and shapes of the free-vortex sheets are shown

How to Solve the Fronthaul Traffic Congestion Problem in H-CRAN?

The design of efficient wireless fronthaul connections for future heterogeneous networks incorporating emerging paradigms such as heterogeneous cloud radio access network (H-CRAN) has become a challenging task that requires the most effective utilization of fronthaul network resources. In this paper, we propose and analyze possible solutions to facilitate the fronthaul traffic congestion in the scenario of Coordinated Multi-Point (CoMP) for 5G cellular traffic which is expected to reach ZetaByte by 2017. In particular, we propose to use distributed compression to reduce the fronthaul traffic for H-CRAN. Unlike the conventional approach where each coordinating point quantizes and forwards its own observation to the processing centre, these observations are compressed before forwarding. At the processing centre, the decompression of the observations and the decoding of the user messages are conducted in a joint manner. Our results reveal that, in both dense and ultra-dense urban small cell deployment scenarios, the usage of distributed compression can efficiently reduce the required fronthaul rate by more than 50% via joint operation

Unsteady flow past wings having sharp-edge separation

A vortex-lattice technique is developed to model unsteady, incompressible flow past thin wings. This technique predicts the shape of the wake as a function of time; thus, it is not restricted by planform, aspect ratio, or angle of attack as long as vortex bursting does not occur and the flow does not separate from the wing surface. Moreover, the technique can be applied to wings of arbitrary curvature undergoing general motion; thus, it can treat rigid-body motion, arbitrary wing deformation, gusts in the freestream, and periodic motions. Numerical results are presented for low-aspect rectangular wings undergoing a constant-rate, rigid-body rotation about the trailing edge. The results for the unsteady motion are compared with those predicted by assuming quasi-steady motion. The present results exhibit hysteretic behavior

Experimentally Constrained Molecular Relaxation: The case of hydrogenated amorphous silicon

We have extended our experimentally constrained molecular relaxation technique (P. Biswas {\it et al}, Phys. Rev. B {\bf 71} 54204 (2005)) to hydrogenated amorphous silicon: a 540-atom model with 7.4 % hydrogen and a 611-atom model with 22 % hydrogen were constructed. Starting from a random configuration, using physically relevant constraints, {\it ab initio} interactions and the experimental static structure factor, we construct realistic models of hydrogenated amorphous silicon. Our models confirm the presence of a high frequency localized band in the vibrational density of states due to Si-H vibration that has been observed in a recent vibrational transient grating measurements on plasma enhanced chemical vapor deposited films of hydrogenated amorphous silicon.Comment: 13 pages, 4 figure

Commonwealth Professional Fellowship: the wealth of experience and lessons learned.

The Commonwealth Professional Fellowship (CPF) is a programme of the Commonwealth Scholarship Commission in association with the British Council. The Fellowship is aimed at providing a professional development opportunity for mid-career professionals from Commonwealth developing countries in diverse disciplines. Fellows who take part in this programme spend a period of one to three months in the United Kingdom to keep abreast of current trends and developments, and receive training in appropriate fields

Study of the Effect of γ-Irradiation on Copper Single Crystals by Etching Technique

The effect of γ-irradiation with low energies on samples of copper single crystals with oriented surfaces of (111), (100) and (621) was studied by etching technique. The etch pits show a formation of glide bands, polygonized walls and Blisters as result to irradiation

Biaya Kualitas Sebagai Usaha Perbaikan Kualitas Proses Produksi Dalam Rangka Mengurangi Produk Cacat

Manajemen produksi sebagai salah satu elemen penting dalam system manajemen Perusahaan, dengan kualitas proses produksi sebagai aspek penting yang ada didalamnya, memberikan andil cukup besar dalam kompetisi Perusahaan pada era persaingan yang semakin ketat. Dengan perencanaan proses produksi yang baik, ternyata jumlah produk cacat yang terjadi tidak mengalami penurunan yang signifikan. Hal ini terlihat dari hasil pengukuran kualitas proses yang dilakukan dengan menggunakan bantuan peta kendali jenis p dengan tingkat penolakan produksi sebagai variabel penelitian. Biaya kualitas yang merupakan indikator tak langsung dari kualitas proses merupakan variable penelitian lainnya yang diteliti. Selanjutnya digunakan diagram pareto untuk menganalisa kelompok biaya yang dominan, aktivitas yang dominan dan pengendalian kualitas (QC) yang menghasilkan biaya dominan. Berdasarkan hasil analisa Pareto dan Peta Kendali, maka dapat diindentifikasi faktor-faktor yang mempengaruhi kualitas proses produksi serta berpotensi menghasilkan biaya kualitas yang dominant, dengan menggunakan Diagram Tulang Ikan. Mengacu pada hasil identifikasi tersebut kemudian direkomendasikan beberapa usulan perbaikan sebagai bahan pertimbangan untuk meningkatkan kualitas proses produksinya. Katakunci: kualitas proses produksi, peta kendali, biaya kualitas, diagram pareto, diagram tulang ika