Digital Commons Network^™

Discrete Ion Stochastic Continuum Overdamped Solvent Algorithm For Modeling Electrolytes, D. R. Ladiges, A. Nonaka, K. Klymko, G. C. Moore, J. B. Bell, S. P. Carney, A. L. Garcia, S. R. Natesh, A. Donev

Faculty Research, Scholarly, and Creative Activity

In this paper we develop a methodology for the mesoscale simulation of strong electrolytes. The methodology is an extension of the fluctuating immersed-boundary approach that treats a solute as discrete Lagrangian particles that interact with Eulerian hydrodynamic and electrostatic fields. In both algorithms the immersed-boundary method of Peskin is used for particle-field coupling. Hydrodynamic interactions are taken to be overdamped, with thermal noise incorporated using the fluctuating Stokes equation, including a "dry diffusion"Brownian motion to account for scales not resolved by the coarse-grained model of the solvent. Long-range electrostatic interactions are computed by solving the Poisson equation, with short-range corrections …

Surface Transportation Supply Chain Security: Creating A Blueprint For Future Research, Frances Edwards, Joseph Szyliowicz, Dan Goodrich, William Medigovich, Liz Lange, Autumn Anderton

Mineta Transportation Institute

Ninety percent of the world’s trade goods travel by surface transportation, using maritime, road and rail assets. The security of the goods in transit, the infrastructure supporting the movement, and the vehicles, are required to ensure that international commerce proceeds successfully. Much has been written about the surface supply chain itself, but little has focused on the security of these components. This report provides a guide for those wanting an increased understanding of the security issues that supply chain surface transportation systems confront and a blueprint to guide their future research.

City Best Practices To Improve Transit Operations And Safety, Michelle Derobertis, Christopher E. Ferrell, Richard W. Lee, David Moore

Mineta Transportation Institute

Public, fixed-route transit services most commonly operate on public streets. In addition, transit passengers must use sidewalks to access transit stops and stations. However, streets and sidewalks are under the jurisdiction of municipalities, not transit agencies. Various municipal policies, practices, and decisions affect transit operations, rider convenience, and passenger safety. Thus, these government entities have an important influence over the quality, safety, and convenience of transit services in their jurisdictions. This research identified municipal policies and practices that affect public transport providers’ ability to deliver transit services. They were found from a comprehensive literature review, interviews and discussions with five …

Numerical Investigations Of Virus Transport Aboard A Commuter Bus, Hamid Rahai, Jeremy Bonifacio

Mineta Transportation Institute

The authors performed unsteady numerical simulations of virus/particle transport released from a hypothetical passenger aboard a commuter bus. The bus model was sized according to a typical city bus used to transport passengers within the city of Long Beach in California. The simulations were performed for the bus in transit and when the bus was at a bus stop opening the middle doors for 30 seconds for passenger boarding and drop off. The infected passenger was sitting in an aisle seat in the middle of the bus, releasing 1267 particles (viruses)/min. The bus ventilation system released air from two linear …

Cycling Past 50: A Closer Look Into The World Of Older Cyclists, Carol Kachadoorian

Mineta Transportation Institute

This document reports on 2,300 responses to a nationwide survey of older adults who cycle. The survey, open from February through September 2020, includes questions about a rider’s cycling history, current cycling habits, and falls. It includes a visual preference survey of various cycling facilities and an online journaling option for two rides subsequent to completing the survey (results of the online journals will be available in the summer 2021). Responses reflect the impact of COVID-19 on older adults’ cycling habits, the impact of aging on ability and agility, the impact of the built environment, types of bicycles, and opportunities …

Predicting Bus Travel Times In Washington, Dc Using Artificial Neural Networks (Anns), Stephen Arhin, Babin Manandhar, Hamdiat Baba Adam, Adam Gatiba

Mineta Transportation Institute

Washington, DC is ranked second among cities in terms of highest public transit commuters in the United States, with approximately 9% of the working population using the Washington Metropolitan Area Transit Authority (WMATA) Metrobuses to commute. Deducing accurate travel times of these metrobuses is an important task for transit authorities to provide reliable service to its patrons. This study, using Artificial Neural Networks (ANN), developed prediction models for transit buses to assist decision-makers to improve service quality and patronage. For this study, we used six months of Automatic Vehicle Location (AVL) and Automatic Passenger Counting (APC) data for six Washington …

Novel Method For Probabilistic Evaluation Of The Post-Earthquake Functionality Of A Bridge, Vesna Terzic, William Pasco

Mineta Transportation Institute

While modern overpass bridges are safe against collapse, their functionality will likely be compromised in case of design-level or beyond design-level earthquake, which may generate excessive residual displacements of the bridge deck. Presently, there is no validated, quantitative approach for estimating the operational level of the bridge after an earthquake due to the difficulty of accurately simulating residual displacements. This research develops a novel method for probabilistic evaluation of the post-earthquake functionality state of the bridge; the approach is founded on an explicit evaluation of bridge residual displacements and associated traffic capacity by considering realistic traffic load scenarios.

This research …

Edge-Coloring Vertex-Weighting Of Graphs, Wai Chee Shiua, Gee Choon Lau, Ho Kuen Ng

Faculty Research, Scholarly, and Creative Activity

Let G = (V (G),E(G)) be a simple, finite and undirected graph of order n. A k-vertex weighting of a graph G is a mapping w: V (G) → {1,…, k}. A k-vertex weighting induces an edge labeling fw: E(G) → N such that fw(uv) = w(u) + w(v). Such a labeling is called an edge-coloring k-vertex weighting if fw(e)≠ fw(e′) for any two adjacent edges e and e′. Denote by μ′(G) the minimum k for G to admit an edge-coloring k-vertex weighting. In this paper, we determine μ′(G) for some classes of graphs.

Abortion Experiences And Preferences Of Transgender, Nonbinary, And Gender-Expansive People In The United States, Heidi Moseson, Laura Fix, Sachiko Ragosta, Hannah Forsberg, Jen Hastings, Ari Stoeffler, Mitchell R. Lunn, Annesa Flentje, Matthew R. Capriotti, Micah E. Lubensky, Juno Obedin-Maliver

Faculty Research, Scholarly, and Creative Activity

Background: Transgender, nonbinary, and gender-expansive people who were assigned female or intersex at birth experience pregnancy and have abortions. Scarce data have been published on individual abortion experiences or preferences of this understudied population. Objective: This study aimed to fill existing evidence gaps on the abortion experiences and preferences of transgender, nonbinary, and gender-expansive people in the United States to inform policies and practices to improve access to and quality of abortion care for this population. Study Design: In 2019, we recruited transgender, nonbinary, and gender-expansive people who were assigned female or intersex at birth at the age of ≥18 …

The Epistemology Of Modality And The Problem Of Modal Epistemic Friction, Anand Jayprakash Vaidya, Michael Wallner

Faculty Research, Scholarly, and Creative Activity

There are three theories in the epistemology of modality that have received sustained attention over the past 20 years (1998–2018): conceivability-theory, counterfactual-theory, and deduction-theory. In this paper we argue that all three face what we call the problem of modal epistemic friction (PMEF). One consequence of the problem is that for any of the three accounts to yield modal knowledge, the account must provide an epistemology of essence. We discuss an attempt to fend off the problem within the context of the internalism versus externalism debate about epistemic justification. We then investigate the effects that the PMEF has on reductive …

Designing Equitable And Inclusive Visualizations: An Underexplored Facet Of Best Practices For Research And Publishing, Corey Schimpf, Kacey Beddoes

Faculty Research, Scholarly, and Creative Activity

No abstract provided.

Improved Representation Of River Runoff In Estimating The Circulation And Climate Of The Ocean Version 4 (Eccov4) Simulations: Implementation, Evaluation, And Impacts To Coastal Plume Regions, Yang Feng, Dimitris Menemenlis, Huijie Xue, Hong Zhang, Dustin Carroll, Yan Du, Hui Wu

Faculty Research, Scholarly, and Creative Activity

In this study, we improve the representation of global river runoff in the Estimating the Circulation and Climate of the Ocean Version 4 (ECCOv4) framework, allowing for a more realistic treatment of coastal plume dynamics. We use a suite of experiments to explore the sensitivity of coastal plume regions to runoff forcing, model grid resolution, and grid type. The results show that simulated sea surface salinity (SSS) is reduced as the model grid resolution increases. Compared to Soil Moisture Active Passive (SMAP) observations, simulated SSS is closest to SMAP when using daily, point-source runoff (DPR) and the intermediate-resolution LLC270 grid. …

Understanding The Role Of Mean And Eddy Momentum Transport In The Rapid Intensification Of Hurricane Irma (2017) And Hurricane Michael (2018), Alrick Green, Sundararaman G. Gopalakrishnan, Ghassan J. Alaka, Sen Chiao

Faculty Research, Scholarly, and Creative Activity

The prediction of rapid intensification (RI) in tropical cyclones (TCs) is a challenging problem. In this study, the RI process and factors contributing to it are compared for two TCs: an axis-symmetric case (Hurricane Irma, 2017) and an asymmetric case (Hurricane Michael, 2018). Both Irma and Michael became major hurricanes that made significant impacts in the United States. The Hurricane Weather Research and Forecasting (HWRF) Model was used to examine the connection between RI with forcing from the large-scale environment and the subsequent evolution of TC structure and convection. The observed large-scale environment was reasonably reproduced by HWRF forecasts. Hurricane …

User Perception Of Open Access Resources: A Survey Of Department Of Technology In Shivaji University, Kolhapur, Ms. Shital S. Danekar, Dr. Shalini R. Lihitkar

Library Philosophy and Practice (e-journal)

No abstract provided.

Mapping Of Research Publications On Ethnomusicology Through The Lens Of Web Of Science, Puspanjali Hazarika, Atrayee Kashyap

Library Philosophy and Practice (e-journal)

This study attempts to define ethnomusicology as the study of people making music through the lens of mapping of research publications. People make sounds that are in ways or other sometimes considered as “music,” stretching into a specific cultural domain. This study delves into the idea of different types of music publications as a contingent cultural category. The necessary data were collected from the Web of Science database during 1996-2020 and analyzed accordingly.

Authorship And Collaboration Pattern Of Annals Of Library And Information Studies Journal During 2009-2018: Scientometrics Mapping, Saumen Das, Manoj Kumar Verma

Library Philosophy and Practice (e-journal)

This paper presents a scientometric analysis of the journal titled Authorship and Collaboration Pattern of Annals of Library and Information Studies Journal during 2009-2018: Scientometrics Mapping. The analysis focused on the distribution pattern of articles, author's productivity, collaboration pattern and Collaborative coefficient and citation impact over time. It showed that the highest 12.57% of articles were published in the year 2010. The majority of articles are double authored with 47.03% of the total contribution. The degree of collaboration among the authors was found 0.66, which means collaborated papers are increasing. Total 2886 citations were appended where the highest number of …

Academic Social-Networking Sites (Asns) For Research Communication: A Comparative Overview, Ravindra S. Bankar, Shalini R. Lihitkar

Library Philosophy and Practice (e-journal)

The primary purpose of research is to enhance the betterment of society by advancing knowledge through the development of scientific theories, concepts, ideas, and new explorations, for attaining the purpose science can be communicated/disseminated in different ways. With the fast pacing age, advanced techniques and ideas for science communication and dissemination have emerged. Academic Social-Networking Sites (ASNS) for Research Communication is one of the major platforms for the scientific community for Academicians and Researchers to share their published and working research ideas. The paper discusses three well-known Academic Social-Networking Sites (i.e. ResearchGate, Google Scholar, and Academia.edu) for Research Communication through …

Evaluation Of Historic And Operational Satellite Radar Altimetry Missions For Constructing Consistent Long-Term Lake Water Level Records, Song Shu, Hongxing Liu, Richard A. Beck, Frédéric Frappart, Johanna Korhonen, Minxuan Lan, Min Xu, Bo Yang, Yan Huang

Faculty Research, Scholarly, and Creative Activity

A total of 13 satellite missions have been launched since 1985, with different types of radar altimeters on board. This study intends to make a comprehensive evaluation of historic and currently operational satellite radar altimetry missions for lake water level retrieval over the same set of lakes and to develop a strategy for constructing consistent long-term water level records for inland lakes at global scale. The lake water level estimates produced by different retracking algorithms (retrackers) of the satellite missions were compared with the gauge measurements over 12 lakes in four countries. The performance of each retracker was assessed in …

Assessment Of Information Services’ Provision In University Libraries In Accordance With The Commission Of University Education (Cue) Guidelines: Selected University Libraries In Western Kenya, Irene Nyakweba Nyakweba, Joyce Bukirwa Muwanguzi Dr., Eunice Sendikadiwa Nakato,Nankuba Dr., Felicitas Ciabere Ratanya

Library Philosophy and Practice (e-journal)

The purpose of this study is to provide an assessment of information services provision in accordance with the CUE guidelines, examining the challenges faced in providing information services and identifying suggestions for service improvement. The study was conducted in four public University Libraries in the Western region of Kenya. The study targets undergraduate students, lecturers and library staff. Descriptive survey research design is adopted in the study. Generalisability of the results of this study is a major limitation since the research does not target all public university libraries in Kenya. Data was collected through structured questionnaires, interviews, document analysis and …

Impact Of Personal Digital Devices Usage On Academic Performance Of University Students In Pakistan, Hina Asif Khan, Kanwal Ameen Dr., Ghulam Murtaza Rafique Dr.

Library Philosophy and Practice (e-journal)

This study aims to determine the impact of using personal digital devices (PDDs) on university students’ academic performance. A survey-based questionnaire was developed and used to collect data from 240 Masters students of final semester (16-years of education) enrolled in the Faculty of Economics and Management Sciences, University of the Punjab, Lahore selected by proportional stratified sampling technique. The study concluded that the smart phones, mobile phones, laptops were frequently used PDDs by the students for the academic purposes. Students used PDDs for using social networks like Facebook, WhatsApp, Twitter, etc. in order to stay in touch with their classmates …

Research Productivity Of Journal Of Documentation: A Bibliometric Analysis, Dinesh Kumari Kundu, Nirmal Kumar Swain

Library Philosophy and Practice (e-journal)

This study reflects the bibliometric analysis of 211 articles appeared in ‘JDoc’ from 2007 to 2011. Different parameters of bibliometrics such as the yearly distribution of publications; exponential growth rate, relative growth rate; doubling time of publications; authorship pattern; the degree of collaboration among authors; pagination pattern of publications; top ten keywords, countries, institutions & top ten most cited papers. The study reveals that the majorities of publications published in the ‘JDoc’ were research papers (87.05%) and rest were review papers (12.95%). The exponential growth rate remained between 0.97 to 1.04 with average relative growth rate (0.32) and with doubling …

Biblioshiny R Application On Islamic Microfinance Research, Popon Srisusilawati, Aam Slamet Rusydiana, Yulizar Djamaluddin Sanrego, Naelati Tubastuvi

Library Philosophy and Practice (e-journal)

This study aims to determine the development of Islamic microfinance research trends published by leading journals on Islamic economics and finance. The data analyzed consisted of 441 indexed research publications. The data is then processed and analyzed using the R Bibliometric application to find out the bibliometric map of the development of Islamic economics and finance on Islamic microfinance. The results showed that the number of publications on the development of Islamic economic and financial research had increased significantly. Then, most types of documents that analyze Islamic microfinance are journaled articles. The most popular author is Kassim S, and the …

Ranking Of Indian Institutions In Global And Indian Ranking System: A Comparative Study, Muthuraj Anbalagan, Dr. M. Tamizhchelvan

Library Philosophy and Practice (e-journal)

The Times Higher Education publishes university rankings to assess university performance on the global stage every year. The data were retrieved from the Times Higher Education (THE) World University Rankings and National Institutional Ranking Framework (NIRF) website. The author has taken only the top 25 ranked Indian institutions from Times Higher Education World University Rankings 2021 for the study. It is compared to with National Institutional Ranking Framework (NIRF). The objectives of the study are to analyse both THE and NIRF ranking of top 25 Indian institutions. Further, it compares the Teaching and Research parameters, Research Performance explicitly and also …

Internet Of Things Based Messaging Protocols For Aquaculture Applications - A Bibliometric Analysis And Review, Rupali Shete, Anupkumar M. Bongale Dr., Arunkumar Bongale Dr.

Library Philosophy and Practice (e-journal)

Internet of Things (IoT) which connects real-world physical objects with various identities involves different technologies and research areas. As it is an integration of different standards and technologies with numerous capabilities, the implementation phase needs to consider important parameters of communication. In IoT this is achieved through messaging protocols. Each object has its own limitations in terms of sensing capability, storage capacity, connectivity, power utilization, etc. And hence when such objects are deployed for different applications, they need to perform well in terms of their various capabilities. Messaging protocols at this stage need to consider these diverse elements. One of …

Bibliotherapy: A Prototype Model For Academic Libraries., Ravindra Bankar, Sachinkumar B. Patil

Library Philosophy and Practice (e-journal)

Recent years have witnessed an upsurge in the therapeutic use of books generally Bibliotherapy refers to the use of books (literary works in particular) to help people cope with problems such as emotional conflict, mental illness, or changes in their lives. The article focuses on how Bibliotherapy can provide information and enhance personal insight, suggest alternatives, diminish isolation, clarify emerging values, stimulate discussion and extend the counselling process outside of traditional settings. Particular attention is given to how Bibliotherapy, expressive activities and counselling facilitate young minds to find solutions to personal problems, develop life skills and enhanced self-image.

Boko-Haram Insurgency: A Conceptual Framework For Information Sharing Strategies Of Members Of Vigilante In Adamawa State, North-East Nigeria., Muhammad Murtala Ibrahim

Library Philosophy and Practice (e-journal)

AbstractThe Study Examined the Information Sharing Strategies of Members of Vigilante in Adamawa state, North-East Nigeria. Embedded in the pragmatic philosophical assumptions and mixed methodology. The population of the study comprised of One Thousand Four Hundred Members (1400) drawn from Nineteen (19) local governments areas in the state. Krejcie and Morgan Table (1970) was used to draw (302) members as research sample while Walpole’s (1982) formula for proportions was used in arriving at a sample for each stratum. A total of Three Hundred and Two (302) copies of questionnaires were administered, and Two Hundred and Forty (240) copies (79.47%) were …

Use Of Electronic Resources In Selected University Libraries In Andhra Pradesh: A Study, Gowridevi Rudraksha, Ramakrishna Kona, Sasikala Chagari

Library Philosophy and Practice (e-journal)

Present study covered four selected deemed university library users in Andhra Pradesh. Questionnaires were circulated 1164 library users (nearly 20 percent of the Universe), (faculty members, research scholars and post graduate students) out of whom 1030 responses were received represent representing 88 percentage. The RSVP library is not subscribing online resources because is not a technical University, so the investigator give up the responses of RSVP for using online resources. The study covered only 805 responses from three university libraries for using electronic resources. Different types of electronic resources are either subscribed or purchased by the libraries of GITAM, KL …

Bibliometric Analysis Of Papers Published During 2016-2020 In ‘Tulsi Prajna’ Research Journal, Sunil Tyagi, Satya Narain Bharadwaj Dr.

Library Philosophy and Practice (e-journal)

Purpose: This study aims to present a bibliometric analysis of the research journal titled “Tulsi Prajna” to provide a summary of research activity in the journal and to characterize its most important aspects.

Methodology: The present study is based on the bibliometrics analysis of the papers published in Tulsi Prajna for the period 2016–2020. The analysis was done in two parts viz analysis of articles and analysis of citations. The analysis mainly covers the year-wise distribution, category-wise classification, authorship patterns, degree of collaboration, geographical distribution of articles and the citation analysis.

Findings: The present analysis displays a trend of growth …

Bibliometric Survey On Reuse Of Treated Wastewater For Agriculture, Sagar Kolekar Prof., Rahul Raghvendra Joshi Prof., Kalyani Dhananjay Kadam Prof., Kanchan Khare Dr., Pennan Chinnasamy Dr.

Library Philosophy and Practice (e-journal)

The water is important for life after air but there is water shortage problem worldwide. The untreated wastewater pollutes fresh water resources. The reuse of treated wastewater for crop irrigation will reduce stress on freshwater and also provides nutrients. Wastewater had been reused for many generations, it was first discovered in 1973 and in continuation there onwards till today. The treated-wastewater reuse for irrigation of crops will reduce stress on freshwater and also provides nutrients. The main objective of this bibliometric study is analyze the research work done in the past in relation to wastewater treatment and its reuse. This …

Institutional Digital Repositories: A Selective Study Of Review Of Literature, Bijan Kumar Roy

Library Philosophy and Practice (e-journal)

Conducting literature review on open access (OA) institutional digital repositories (IDRs) is a challenging task as it is a new concept and started to develop rapidly throughout the world. The paper aims to place the current investigation within the existing scholarly research literature regarding some key policy issues. There are so many barriers in developing IDR specially developing different policies such as preservation policy, interoperability policy, and metadata policy as all are related to technical matter. All these issues need to to be properly formulated for smooth functioning of any IDR system. Here, the following three policy issues viz. a …