Technology as an economic catalyst in rural and depressed places in Massachusetts

This paper uses case studies, including two cities (Lynn and New Bedford), a sub-city district (Roxbury) and two towns in rural Franklin County (Greenfield and Orange), to examine the role of technology as a potential economic catalyst in rural and depressed places in Massachusetts. Though the five target areas vary in size, density, geographic area, demographic characteristics and economic resources, each exhibits chronic patterns of economic distress related to the decline of manufacturing, construction and other key industries

The Revitalization of New England's Small Town Mills: Breathing New Life into Old Places

This paper describes and analyzes the recent experience of communities in the six New England states concerning the revitalization of their 19th century mills and mill yards. It begins with an examination of the importance of these complexes to the economy of New England in the 19th and early 20th centuries and the slow decline of the mills into the present. It then identifies the factors that are now stimulating their revitalization and provides myriad examples of where success has occurred. This is followed by a section on 'Lessons Learned' from the experience, and a closing comment concerning future actions.

Issues and Methods for Transdisciplinary Planning of Combined Wildlife and Pedestrian Highway Crossings

Highways are increasingly understood as barriers to wildlife and pedestrian movement and as significant causes of landscape fragmentation-especially in suburban and periurban areas. FHWA\u27s Transportation, Community, and System Preservation (TCSP) Program encourages innovative solutions to reduce the impact of highways on the communities they link and traverse. This paper is based on research and public participation as part of an FHWA-TCSP sponsored feasibility study for a combined wildlife and pedestrian crossing to mitigate highway impacts on wildlife and recreation, and on the communities of Concord and Lincoln, Massachusetts. The interdisciplinary study team included representatives from landscape architecture, urban planning, wildlife biology, civil engineering, and landscape history. The study included diverse public participation and collaboration throughout the project. The paper defines significant planning issues likely to pertain to similar projects and offers a transdisciplinary method for conducting planning or feasibility studies for combined wildlife-pedestrian crossings. The method is innovative for its interdisciplinary integration and its inclusion of public officials, nongovernmental representatives, citizens, and other stakeholders. The study is being considered for further research and possible implementation by FHWA with support from the host communities and a private conservation organization

Effect of intimal flap motion on flow in acute type B aortic dissection by using fluid-structure interaction.

A monolithic, fully coupled fluid-structure interaction (FSI) computational framework was developed to account for dissection flap motion in acute type B aortic dissection (TBAD). Analysis of results included wall deformation, pressure, flow, wall shear stress (WSS), von. Mises stress and comparison of hemodynamics between rigid wall and FSI models. Our FSI model mimicked realistic wall deformation that resulted in maximum compression of the distal true lumen (TL) by 21.4%. The substantial movement of intimal flap mostly affected flow conditions in the false lumen (FL). Flap motion facilitated more flow entering the FL at peak systole, with the TL to FL flow split changing from 88:12 in the rigid model to 83:17 in the FSI model. There was more disturbed flow in the FL during systole (5.8% FSI vs. 5.2% rigid) and diastole (13.5% FSI vs. 9.8% rigid), via a λ2  -criterion. The flap-induced disturbed flow near the tears in the FSI model caused an increase of local WSS by up to 70.0% during diastole. This resulted in a significant reduction in the size of low time-averaged WSS (TAWSS) regions in the FL (113.11 cm2 FSI vs. 177.44 cm2 rigid). Moreover, the FSI model predicted lower systolic pressure, higher diastolic pressure, and hence lower pulse pressure. Our results provided new insights into the possible impact of flap motion on flow in aortic dissections, which are particularly important when evaluating hemodynamics of acute TBAD. This article is protected by copyright. All rights reserved