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Displaying results 601 - 630 of 1218 in total
Conference Session
Issues in Engineering Technology Education
Collection
2013 ASEE Annual Conference & Exposition
Authors
Saeed Khan, Kansas State University, Salina
Tagged Divisions
Engineering Technology
throughoutcomes expected of associate degree graduates, graduates of baccalaureate degree differential and integralprograms must demonstrate: calculus; sciences (defined as biological, chemical, or physical science); anda. the ability to analyze, design, and implement control systems, instrumentation engineering topics (includingsystems, communications systems, computer systems, or power systems.b. the ability to apply project management
Conference Session
CAD Assessments, Trends and Applications
Collection
2013 ASEE Annual Conference & Exposition
Authors
Srikanth B Pidugu, University of Arkansas, Little Rock; Mamdouh M. Bakr, University of Arkansas, Little Rock; Swaminadham Midturi, University of Arkansas, Little Rock; George P Tebbetts, University of Arkansas, Little Rock
Tagged Divisions
Engineering Design Graphics
confidence to assess the student outcomes. Forour recent ABET accreditation review, we implemented this model with considerable success. The main goal of this paper is to present the methodology used in this model. A uniquefeature of our model is a comparison of the indirect student self-assessment scores with the direct Page 23.230.2assessment scores obtained through exams, quizzes, lab reports and special projects, on a scale of1 through 5 (with 1 being the highest level of achievement). First the paper describes theassessment method for the MET degree program and then the presents how the method is appliedto the computer graphics course to
Conference Session
Instrumentation Technical Session
Collection
2013 ASEE Annual Conference & Exposition
Authors
Mohammad Rafiq Muqri, DeVry University, Pomona; Robert Alfaro
Tagged Divisions
Instrumentation
Paper ID #7789Building Wireless Sensor Networks with ZigbeeDr. Mohammad Rafiq Muqri, DeVry University, PomonaRobert Alfaro Page 23.263.1 c American Society for Engineering Education, 2013 Building Wireless Sensor Networks with ZigbeeThe microprocessor sequence courses are among the important and challenging courses thatstudents take in the electronics, computer, and biomedical engineering curriculum; these coursesalso lay the foundation for capstone senior projects. The practical, but abstract, programmingconcepts in embedded
Conference Session
Teaching with Technology
Collection
2013 ASEE Annual Conference & Exposition
Authors
Larry Burton, North Carolina A&T University (Tech); Robert Cobb Jr., North Carolina A&T State University; Ibraheem A. Kateeb, North Carolina A&T State University; Li-Shiang Tsay, North Carolina A & T State University; Cameron Seay, North Carolina A&T State University; Tony E. Graham I, Department of Built Environment; Chafic Bousaba, NC A&T SU, CST Dept.
Tagged Divisions
Educational Research and Methods
UniversityDr. Ibraheem A. Kateeb, North Carolina A&T State University Dr. Ibraheem Kateeb is the section chair of Central NC section and a Senior Member of IEEE with over 25 years of experience in academia and industry. He received his Ph.D. from NCA&TSU. He is currently at NCA&TSU as Assistant Professor of Computer Systems Technology Department. His current research is on power and green energy, and control/robotics. In the last two years, he published more than 27 journal and conference papers and has many projects and grants in Power, Renewable Energy and Smart Grid related issues. Dr. Kateeb was recognized as the recipient of Academic Excellent Award from CARTS International 2012 (ECIA Electronic Components
Conference Session
Training and Workforce Needs in the Energy Sector
Collection
2013 ASEE Annual Conference & Exposition
Authors
Sungwon S. Kim, Minnesota State University, Mankato; Patrick A. Tebbe, Minnesota State University, Mankato
Tagged Divisions
Energy Conversion and Conservation
). Before joining MSU Mankato, Dr. Kim was a Visiting Assistant Professor in the School of Engineering at Purdue University, teaching courses in the thermal fluid sciences, and conducting research in nanotechnol- ogy. His research expertise and interests lie in the controlled synthesis of CNTs for thermal and biological applications. While at Purdue, he was actively involved in research sponsored by DARPA (Defense Ad- vanced Research Projects Agency) in the development of carbon nanotube (CNT) enhanced wicks for vapor chambers (Thermal Ground Plane Program), and in enhancement of thermal interfaces using CNTs (Nano Thermal Interface Program). Currently, his research activities are concentrated in the area of engineering
Conference Session
Global Competency and What Makes a Successful Engineer
Collection
2013 ASEE Annual Conference & Exposition
Authors
Holt Zaugg, Brigham Young University; Alan R Parkinson, Brigham Young University; Spencer P. Magleby, Brigham Young University; Randall Davies, Brigham Young Univeristy
Tagged Divisions
International
using international partneruniversities. The second phase included the development of educational materials to furtherfacilitate the use of GV teams. This included a comprehensive list of global competencies [11],the creation of a cultural disposition index [12] to evaluate student’s disposition towards workingon cross-cultural projects, and a set of 10 lessons to help engineering students function better onGV teams (please see http://pgvt.groups.et.byu.net). The final phase of the study sought tocompare the educational experience of GV teams with that of traditional study abroad programs.Experiences from each phase enabled greater understanding and refinement of implementing GVteams in traditional courses. This paper focuses on the findings
Conference Session
Instructional Innovations and Global Issues in Architectural Engineering Education
Collection
2013 ASEE Annual Conference & Exposition
Authors
James P. Mwangi P.E., California Polytechnic State University, San Luis Obispo
Tagged Divisions
Architectural
methods used to teach Haitian practicing buildingprofessionals (architects, engineers and contractors) as well as home owners, governmentbuilding officials and engineering students at the state university and other professional tradeschools the basic but important aspects of design and construction of earthquake resistant one-and two-story concrete and concrete masonry un-engineered confined masonry buildings.The classes were offered in form of one-week workshops that had both classroom setting andthree days of hands-on learning that included field visits and hands-on experience in theconstruction procedures. Graduates of the program were given jobs to construct new homes orrepair damaged homes and then tested after a few projects in order to
Conference Session
Innovative IE Course Content
Collection
2013 ASEE Annual Conference & Exposition
Authors
John P. Mullen, New Mexico State University
Tagged Divisions
Engineering Economy, Engineering Management, Industrial Engineering
23.1255.7creates a modeling problem in that observing such a system for too short a time is likely to leadto a misleading model.Applied ProjectsIn some courses, I encourage students to do an applied project. This is an intensive exercisetaking several weeks, so I do not use it in all courses. I carry this out in two steps.Step 1: Modeling ExercisesIn preparation for the applied project, I assign one or more team modeling exercises. Theseinvolve extracting data from simulated transaction logs, then characterizing distributions andmodeling the system. For the most part, these activities address issues that have frequently arisenin past projects. By carrying out the activities in a simplified setting, students are better able tofocus on the key aspects of
Conference Session
Innovative IE Course Content
Collection
2013 ASEE Annual Conference & Exposition
Authors
Justin W. Kile, Quinnipiac University
Tagged Divisions
Engineering Economy, Engineering Management, Industrial Engineering
was a surprise to theauthor on his first co-op. Employers have expressed a concern over the lack of clarity,confidence, and sometimes professionalism shown by new hires. Through discussions withpracticing engineers, it has become clear that for some engineers the informal oral presentationof information is a common occurrence in day to day activities. Some examples include (a)informing operators of new procedures after emergency modifications or changes to machinesand operating procedures (b) giving supervisors a quick explanation of current project status and(c) being brought into a meeting to give the engineering perspective.Preparing students for these “you got a minute” moments is often not addressed in theundergraduate curriculum. Either
Conference Session
Experience in Assessing Technological Literacy
Collection
2013 ASEE Annual Conference & Exposition
Authors
Claire L. Antaya, Arizona State University; Kristen Parrish PhD, Arizona State University; Elizabeth A Adams P.E., Chandler Gilbert Community College; Amy E. Landis, Arizona State University
Tagged Divisions
Technological and Engineering Literacy/Philosophy of Engineering
two staff, developing energy efficiency programs, and researching the technical and non-technical barriers to energy efficiency in the buildings sector. She has a background in collaborative design and integrated project delivery. She holds a BS and MS in Civil Engineering from the University of Michigan and a PhD in Civil Engineering from UC Berkeley.Elizabeth A AdamsProf. Amy E. Landis, Arizona State University Page 23.570.1 c American Society for Engineering Education, 2013 Experiential Learning in the Civil Engineering Curriculum: Collaborations between
Conference Session
Implementing Transfer, Exchange, Research Programs and Professional Development; in Asia and Far East
Collection
2013 ASEE Annual Conference & Exposition
Authors
James M Widmann, California Polytechnic State University; Binaya K.C., Kathmandu University
Tagged Divisions
International
South Asia is leading to the development of moreinteractions and joint projects between South Asian and U.S. Universities. A solid understandingof the differences between cultures and how education is delivered and received is a necessaryingredient for this educational cooperation. In the U.S., elements of Active Learning areincreasingly viewed as critical to the success of educating engineers. These techniques have beentried in South Asia with varying success. This paper presents the cross-cultural experience ofintroducing Active Learning elements into the Mechanical Engineering program at KathmanduUniversity in Nepal. As part of a 2012 Fulbright project, the authors co-taught a second year(sophomore) level class 60 students in Strength of
Conference Session
Innovations in Teaching and Research in Physics or Engineering Physics II
Collection
2013 ASEE Annual Conference & Exposition
Authors
Steve E. Watkins, Missouri University of Science & Technology
Tagged Divisions
Engineering Physics & Physics
physical principles anddevice behavior and an improved sequence in electronics instruction are outcomes.I. IntroductionElectronics is a particularly important area of electrical and computer engineering (ECE) and hasbeen recognized by the National Academy of Engineering as one of the twenty “GreatestEngineering Achievements1.” It gives instrumentation and processing support. It gives thehardware integral to systems and projects. It is a core area for assessment examinations such asthe Fundamentals of Engineering (FE)2 and for curricula guidelines such as the NationalStandards for Computer Engineering3. The study and analysis of key nonlinear semiconductordevices including diodes, transistors, and operational amplifiers are foundations for
Conference Session
Mentoring Minority Students
Collection
2013 ASEE Annual Conference & Exposition
Authors
Christine S Grant, North Carolina State University; Tuere Bowles, NC State University; Olgha Bassam Qaqish, North Carolina State University; Rex E Jeffries, North Carolina State University; Barbara Smith, North Carolina State University
Tagged Divisions
Minorities in Engineering
Mathematics Advanced Placementcourses and more than six times as many in Science Advanced Placement courses. On the flipside, the numbers of African-American males in both engineering and sports is woefullydisproportionate to their presence in the population of the United States. In 2012, African-American males made up 4% of the currently enrolled male students in engineering according tothe National Science Foundation (2012) 1. While the above statistics are focused on African-American males, there are similardisparities in the educational achievement gap for other URM students; this project will impact across section of students. One survey noted that 40% of underrepresented STEM professionalsreport that they have been subjected to
Conference Session
NSF Grantees' Poster Session
Collection
2013 ASEE Annual Conference & Exposition
Authors
Leyla F Conrad, Georgia Institute of Technology; Gary S. May, Georgia Institute of Technology; JillL L Auerbach, Georgia Institute of Technology
Tagged Topics
NSF Grantees Poster Session
Engineering Dr. Leroy Z. Emkin Practice” Week 6 “Challenges in Flightdeck Design” Dr. Amy Pritchett Week 7 “Putting Nanomaterials to Work for Biomedical Dr. Younan Xia Research” Weei 8 "Applying to Graduate School" Dr. Jeffrey Donnell Week 9 “The Problems with Interconnect” Dr. Paul Kohl Week 10 End of Program Project Presentations ParticipantsMeetings are held every Tuesday morning where each participant reports orally what he/she hasaccomplished in the past week and his/her plans for the current week. Following the individualresearch status reports, fundamental research
Conference Session
Tricks of the Trade II
Collection
2013 ASEE Annual Conference & Exposition
Authors
Edward F. Gehringer, North Carolina State University; Barry Wayne Peddycord III, North Carolina State University
Tagged Divisions
New Engineering Educators
large projects and portfolios, butthese are typically more time-consuming and difficult to evaluate. Page 23.1151.3 2The SurveyIn order to find out how others were using textbook exercises, we developed a web survey usingGoogle Forms and sent it to three listservs for college educators and educational researchers: thePOD Mailing List, the ACM SIGCSE Members List, and the Engineering Technology* listserv.Most of the questions on the survey were open-ended.The survey collected 142 responses. Due to the uncontrolled nature of a web survey, this
Conference Session
Embedded Systems and Mobile Computing
Collection
2013 ASEE Annual Conference & Exposition
Authors
Maurice F. Aburdene, Bucknell University; Marie Catherine Pizzorno, Department of Biology, Bucknell University; Alexander P Thompson, Bucknell University
Tagged Divisions
Computing & Information Technology
1991. I did postdoctoral work at Princeton University from 1991 to 1995. I taught in the Biology Department of Vassar College from 1995-1996. I became an Assistant Professor in the Biology Department at Bucknell University in 1996 and was promoted to Associate Professor in 2001.My primary research interests are the molecular biology of viruses that infect eukaryotes, specifically viruses that infect honeybees.Mr. Alexander P Thompson, Bucknell University I am a senior Electrical Engineering student at Bucknell University. I have been studying genomic signal processing for the last two years as part of a research project through the Bucknell Presidential Fellows program. My primary role in the development of the
Conference Session
Improving course effectiveness
Collection
2013 ASEE Annual Conference & Exposition
Authors
Susan L. Murray, Missouri University of Science & Technology; Julie Phelps, Missouri S&T, Educational Technology
Tagged Divisions
Engineering Economy, Engineering Management, Industrial Engineering
Paper ID #5847Electronic Flashcards as a Tool to Improve Exam ReadinessDr. Susan L. Murray, Missouri University of Science & Technology Susan L. Murray is a professor of engineering management and systems engineering at Missouri Univer- sity of Science and Technology. Dr. Murray received her B.S. and Ph.D. in industrial engineering from Texas A&M University. Her M.S. is also in industrial engineering from the University of Texas-Arlington. She is a professional engineer in Texas. Her research and teaching interests include human systems in- tegration, productivity improvement, human performance, safety, project
Conference Session
Pre-Service Development Initiatives
Collection
2013 ASEE Annual Conference & Exposition
Authors
Matthew D. Lammi, North Carolina State University; Cameron Denson, North Carolina State University
Tagged Divisions
K-12 & Pre-College Engineering
testing transitioning into the mathematical model. One of the principal differences between technological design and engineering design is thegeneration and analysis of a mathematical model 10 . The mathematical model may berepresented early in the design process in tandem with the conceptual model. However, theaccuracy, detail, and rigor of the mathematical model will typically improve over time in thedesign process. Mathematical modeling and analysis are essential to engineering design yet,mathematical modeling is often treated as an afterthought or ignored in K-12 education1 . Alandscape study of K-12 engineering curricula did not find any projects or units in whichstudents were instructed to develop and use mathematical models to assist
Conference Session
Teaching Materials Science Using Innovative Methods
Collection
2013 ASEE Annual Conference & Exposition
Authors
Michelle Rushe, Granta Design; Arlindo Silva, Granta Design
Tagged Divisions
Materials
, with a set of objectives, requirements, constraints and free variables.One reoccurring comment from the case studies can be illustrated with the following: “Ipersonally feel that the teaching resources offered on [the] website have been really supportivefor my lecture preparation and students guidance.”Another way in which TRW supports academics is through an extensive portfolio of exercises.Academics’ feedback highlights how ready-made exercises and projects, that are thenpersonalized to their teaching, help them develop and improve the course, but also allow moreactual teaching time otherwise spent on course development. Some of the content is even givento students as self-study materials to complement other traditional resources. ‘Visual
Conference Session
Electrical and Computer Engineering (ECE) Poster Session
Collection
2013 ASEE Annual Conference & Exposition
Authors
Nizami Z Vagidov, University at Buffalo, The State University of New York; Vladimir Mitin, University at Buffalo, SUNY; Athos Chariton Petrou; Joseph L Zawicki Zawicki
Tagged Divisions
Electrical and Computer
allows students to make repetitive connections between the studied concepts.When considering difficult notions Ref.[3] states that: “one form of presentation is not enough,even for a small set of students”. The assessment of such style of teaching, undertaken duringseveral years by the authors of Ref.[4], has shown improvement of students’ grades by 16 – 20%.Goals and learning outcomesThe major goal of this project is to develop a conceptually new approach in the teaching of aone-semester EFW course for electrical engineering juniors and establish a new EFWundergraduate lab. Through lab experiments, educational Java applets, and software fornumerical solution the undergraduate students will actively acquire understanding of the
Conference Session
Computer Hardware and Simulation
Collection
2013 ASEE Annual Conference & Exposition
Authors
Krista M Hill, University of Hartford; Ying Yu, University of Hartford
Tagged Divisions
Computers in Education
PLD principles. Additional technical andsoftware support will need to be provided to students in this regard. Third, revise lecturecontent to introduce more about the internal structure and other principles of CPLD and at anearlier timeline. The final recommendation is to increase the number of the laboratory projectsthat uses hierarchy concepts, and revise some projects to include more visual, realistic andtangible results that students will demonstrate.To summarize our recent student's overall experience, from the questionnaire (see complete listof questions and the corresponding Likert scores in Appendix A) we considered four questions(questions 1, 2, 3, and 4a) which serve specifically for that purpose. The feedback from thesequestions
Conference Session
POTPOURRI
Collection
2013 ASEE Annual Conference & Exposition
Authors
Lifang Shih, Excelsior College; Jane A LeClair, Excelsior College
Tagged Divisions
Computing & Information Technology
President of ALC Consulting and has been extensively involved with numerous projects for the IAEA. Page 23.1299.1 c American Society for Engineering Education, 2013Use of Sustainable and Systematic Plan to Assess Student Learning Outcomes for Non-Traditional IT StudentsAbstractExcelsior College has been considered as a pioneer institution in distance learning. Consideringthe needs of career-oriented adults learners, Excelsior recognized that college-level knowledgecan be obtained in many ways and designed a student-centered learning model that integratestransfer credits from
Conference Session
Teaching and Assessing Sustainability and Life Long Learning
Collection
2013 ASEE Annual Conference & Exposition
Authors
Jeffrey C. Evans P.E., Bucknell University; Michelle Oswald Beiler P.E., Bucknell University; Akmal S Daniyarov; Christopher Adam Kulish
Tagged Divisions
Civil Engineering
quantify human “pressure” on theplanet with regards to resources, emissions, land consumption, etc. in comparison to the currentcarrying capacity of the Earth. 5 This metric begins to measure the problem in order to thensupport potential solutions, such as green building rating systems. Green building rating systemssuch as LEED (Leadership in Energy and Environmental Design) have been a popular measurefor sustainable design through applying credits and receiving points for sustainable projects.6 Asengineers continue to implement more innovative techniques, the education and awareness ofsustainable design will continue.Pedagogical TechniquesMuch has been written regarding pedagogical techniques and the benefits of active learning are
Conference Session
Design Pedagogy and Curriculum 2
Collection
2013 ASEE Annual Conference & Exposition
Authors
Richard Cozzens, Utah Educational Network; Jeremy Ray Farner, Weber State University; Thomas James Paskett, Weber State University; Elias V. Perez, Utah State University Eastern; Isabella Borisova, Southern Utah University
Tagged Divisions
Design in Engineering Education
this course the Curriculum Development Team was composed of selectedinstructors from across the state to create a web-based book (Portable Document Format and/oreBook) and online course that teaches the principles of drafting and design at the process level topromote curriculum acceptance and implementations from K-12 to Post-Secondary Education.The team members of this project were given the task to teach the underlying basic principles ofdrafting in generic terms and then supply some supplemental training specific to each CADsoftware package. This approach treats the specific CAD software as just a tool to learn theprocess so the student can solve the problem much like a calculator is to math (just a tool, it doesnot matter if it is a Casio
Conference Session
Curricular Issues in Computing and Information Technolog Programs
Collection
2013 ASEE Annual Conference & Exposition
Authors
Brian R. King, Bucknell University; Ashwin Satyanarayana, New York City College of Technology
Tagged Divisions
Computing & Information Technology
address the above issues by providing faculty with important criteria that webelieve have high potential for use in an undergraduate course in data mining. We first discuss aset of core topics that such a course should include. A set of practical, widely-accepted tools andlanguages used for data mining are summarized. We provide a list of sources for real-worlddatasets that can be useful for possible course assignments and projects. We conclude with adiscussion of challenges that faculty should be aware of, including those that were encounteredin our course, with suggestions to improve course outcomes. Our paper is based on ourcollective research and industry experience in data mining, and on the development of anundergraduate course in data
Conference Session
FPD 4: First-Year Engineering Courses, Part I: Multimedia, Large Classes, and TAs
Collection
2013 ASEE Annual Conference & Exposition
Authors
Kimberly C. Huett, University of West Georgia; Barbara B. Kawulich, University of West Georgia; P.K. Raju, Mechanical Engineering Dept, Auburn University,Al; Chetan S Sankar, Auburn University
Tagged Divisions
First-Year Programs
findings from the culminating third year of a three-yearNSF-funded project to improve introductory engineering courses at two universities carried outby the interdisciplinary team.Engineering InstructionThe field of engineering education has changed from its 19 th-century emphasis on industrialskills to the post-World War II focus on scientific and mathematics skills to a shift in the 1970sand 1980s that centered on such skills as critical thinking, communications, and team work. 16Recent industry reports indicate that engineering graduates are lacking in the areas of creativethinking and design, communication, and other professional skills.9 Graduates have been foundto be weak in their understanding of certain engineering processes and to lack
Conference Session
NSF Grantees' Poster Session
Collection
2013 ASEE Annual Conference & Exposition
Authors
Yanna Lambrinidou, Virginia Tech; Marc Edwards, Virginia Tech
Tagged Topics
NSF Grantees Poster Session
subordinate positions in officially-sanctioned networks of scientific knowledge),a phenomenon that has received less scholarly attention.38Recent efforts to “connect” engineers and scientists to society have given rise to an Page 23.860.2increasing number of interdisciplinary educational initiatives that bring humanities, socialsciences, and even art into technical curricula. Often embodied in project-based servicelearning (PBSL) components, projects, and programs and facilitated by academic andnon-academic institutions alike, these initiatives aim to cultivate what some have termed“humanistic” scientists and engineers.39-40 They are designed to foster in
Conference Session
NSF Grantees' Poster Session
Collection
2013 ASEE Annual Conference & Exposition
Authors
Milo Koretsky, Oregon State University; John L. Falconer, University of Colorado Boulder; David L. Silverstein, University of Kentucky; Ronald L. Miller, Colorado School of Mines; Debra Gilbuena, Oregon State University; Bill Jay Brooks, Oregon State University; Christina Smith, Oregon State University
Tagged Topics
NSF Grantees Poster Session
- ing Tool, and the AIChE Concept Warehouse. His dissertation is focused on technology-mediated, active learning techniques and the mechanisms through which they impact student performance.Ms. Christina Smith, Oregon State University Page 23.298.1 c American Society for Engineering Education, 2013 Collaborative Research: Integration of Conceptual Learning throughout the Core Chemical Engineering Curriculum – Year 2Overview and ObjectivesWe report on the progress of the second year of a CCLI Type 2 project. The goal of this projectis to create a community of learning within the
Conference Session
Engineering Management In The Classroom
Collection
2013 ASEE Annual Conference & Exposition
Authors
Mazyar Aram, California State University Northridge; Ileana Costea, California State University, Northridge
Tagged Divisions
Engineering Management
Paper ID #7668Development of a minor in Sustainable Manufacturing for ManufacturingSystems Engineering programMr. Mazyar Aram, California State University Northridge Mazyar Aram is the director of Environmental Affairs Committee (EAC) at the Associated Students Inc. at California State University Northridge (CSUN). EAC pursues the ultimate goal of Zero Waste campus through implementing green projects on campus. Currently Mazyar is the project manager of two green projects, Smart Parking (developing a technology for students to navigate them to vacant parking spots in parking structures in order to minimize the cruising
Conference Session
Activities and Assessment for “Awkward ABET Outcomes”
Collection
2013 ASEE Annual Conference & Exposition
Authors
Clifton B. Farnsworth, Brigham Young University; Ronald W. Welch, The Citadel; Michael J McGinnis, University of Texas at Tyler; Geoff Wright, Brigham Young University
Tagged Divisions
Civil Engineering
in the Department of Civil Engineering at the University of Texas at Tyler. Prior to joining academia, he worked for nearly five years as a project manager and structural analyst for Electric Boar Corporation. Dr. McGin- nis’ research interests include nondestructive evaluation of structures, response of structures to extreme events such as fire and earthquake, and improving undergraduate engineering education. He has published numerous articles concerning the application of digital image correlation, a non-contact photographic method of determining deformations, to study the behavior of unique structures under various loadings. In teaching and mentoring areas, Dr. McGinnis has been recognized by his peers as the