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Designing a Data Acquisition System for a Split Hopkinson Pressure Bar

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2015 ASEE Annual Conference & Exposition


Seattle, Washington

Publication Date

June 14, 2015

Start Date

June 14, 2015

End Date

June 17, 2015





Conference Session

Microcontrollers, Programming, and Data Acquisition

Tagged Division

Mechanical Engineering

Page Count


Page Numbers

26.474.1 - 26.474.24



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Paper Authors


Sean Patrick Kirby University Of Maryland, Eastern Shore

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Sean Kirby currently holds an engineering position with Pinnacle Solutions Inc. where he works as an IT Systems Engineer supporting NASA Wallops Flight Facility’s Aircraft Office. Mr. Kirby received an Undergraduate Degree in Engineering with a Computer Engineering Specialization from the University of Maryland Eastern Shore (UMES) in December 2013. Prior to receiving his undergraduate degree, he served in the U.S. NAVY from 2002 to 2008 as Cryptologic Technician supporting both Operation Iraqi Freedom and Operation Enduring Freedom.

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Julius Omokiniovo Ejenavi Morgan State University

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Julius Ejenavi Descriptive Bio:
Julius Ejenavi is currently a full time graduate student at Morgan State University. Mr. Ejenavi is presently working on his Masters Degree in Electrical Engineering specializing in wireless communications.He received his Undergraduate Degree with Honors in Engineering with an Electrical Engineering Specialization from the University of Maryland Eastern Shore (UMES) in December 2013. In his Senior Design Project,Mr. Ejenavi worked in a team to design a Data Acquisition System for Split Hopkinson Pressure Bar (SHPB) Setup.At Morgan State University, Mr. Ejenavi worked on designing a 4-way coupler component that was inserted into the receiver front-end circuitry in a satellite communication link.

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Payam Matin University of Maryland, Eastern Shore

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Dr. Payam Matin is currently an Associate Professor in the Department of Engineering and Aviation Sciences at the University of Maryland Eastern Shore (UMES), Princess Anne, Maryland. Dr. Matin has received his Ph.D. in Mechanical Engineering from Oakland University, Rochester, Michigan in May 2005. He has taught a number of courses in the areas of mechanical engineering and aerospace at UMES. He has served as departmental ABET committee chair through a successful accreditation visit in Fall 2012. Dr. Matin’s research has been mostly in the areas of Computational Mechanics and Experimental Mechanics with applications in Solid Mechanics, Plasticity and Sheet Metal Forming. Dr. Matin has published more than 25 peer-reviewed journal and conference papers. Dr. Matin is the recipient of NSF MRI award as a Co-PI. Dr. Matin worked in Automotive industry for Chrysler Corporation from 2005 to 2007. He Joined UMES in August 2007. He is affiliated with ASME and ASEE professional societies.

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Designing a Data Acquisition System for a Split Hopkinson Pressure BarSenior students are always challenged to apply their engineering knowledge and research skillsgained from an engineering curriculum toward design and implementation of challenging seniordesign projects. Split Hopkinson pressure bar is an apparatus that is used to study materialsbehavior under high speed deformation, where strain rate is very high. Hopkinson bars areusually custom made based on the needs of customers, who are mostly researchers in universitiesor research labs. In this work, in a form of senior design project, the authors provided learningopportunities for engineering students to design a data acquisition system for a small size splitHopkinson pressure bar previously designed by former students. The objectives of this projectare to engage a team of students: 1) to design a data acquisition system using NationalInstrument hardware and Labview to collect strain data during high speed deformation testing 2)to design a data processing program to process the strain data collected to stress-strain graph 3)to conduct a number of high speed deformation material testing to validate the performance ofthe data acquisition system designed.Students implemented the fundamentals of graphical programming, computational methods andsolid mechanics to design the data acquisition system for a split Hopkinson pressure bar. Aworking prototype of the data acquisition system was integrated and tested. Preliminary testsdemonstrate that the performance of the system is as desired. In this paper, the authors elaborateon how the students have utilized the engineering knowledge acquired throughout the course todesign and develop the data acquisition system for the Hopkinson pressure bar and thus theeducational gains achieved.

Kirby, S. P., & Ejenavi, J. O., & Matin, P. (2015, June), Designing a Data Acquisition System for a Split Hopkinson Pressure Bar Paper presented at 2015 ASEE Annual Conference & Exposition, Seattle, Washington. 10.18260/p.23812

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