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Charlottesville, VA 22902 E-mail abp7w2@r.postjobfree.com

Ryan F. Johnson

Objective To inform those interested of my past and present work

Work Experience June 2010-Present University of Virginia Charlottesville, VA

PhD. Candidate, Graduate Research Assistant, NDESG Fellow, VSGC Fellow

Research in the area of modeling multidimensional reacting flows for various

applications

Developing Specialty in High Performance Computing for Aerospace

Computational Engineering and Multi-purpose modeling

Summer 2009 Aerojet Gainesville, VA

Ballistics Analyst Intern

Worked with software that simulated rocket propellants

Designed gas generator for University of Virginia Scramjet Engine

Summer 2008-2010 University of Virginia Charlottesville, VA

Aerospace Research Assistant

Organized experiments for a gas generator used for scramjet ignition

Participated in sounding rocket workshop through NASA Wallops

Summer 2007 Alliant Techsystems, ATK Ronkonkoma, NY

Test Engineer Intern

Participated in pre-test and post-test hypersonic wind tunnel activities

Worked in Free Jet, Direct Connect, and Shock Tunnel facilities

Extracurricular

2007-2010 University of Virginia Charlottesville, VA

Activities

Student Program Manager for Hy-V Scramjet Flight Experiment

Technical advisor to team of undergraduate students

Coordinate weekly meetings between Virginia Tech and University of Virginia

faculty.

Head mechanical systems advisor for a small sounding rocket experiment

2010-Present University of Virginia Charlottesville, VA

Education

Graduate Studies Aerospace Engineering

PhD Candidate studying under professor Harsha K. Chelliah

GPA: 3.81

2006-2010 University of Virginia Charlottesville, VA

Undergraduate Studies Aerospace Engineering

GPA: 3.539, Graduated with distinction

Major: Aerospace Engineering

Minor: Applied Mathematics

Awards received National Defense Science and Engineering Graduate School Fellowship

Dean s List

Sigma Gamma Tau Aerospace Honor Society

Virginia Space Grant Consortium Undergraduate Scholarship

Leadership AIAA Graduate Member Chair, Outreach Chair, Conference Committee

Skills

Computation of Reacting Flows C++, Java, Fortran 77, 90, 03,

Bash, Python, Unix systems

High Performance and Parallel

Computing Paraview, Techplot, Gambit

Tutoring/Substituting/Advising

Papers, Presentations, and Expected works

Expected joint paper with the Air Force Institute of Technology on the coupling of

gas phase and surface reactions present over laser-induced ablating carbon plates

Expected co-author on the nozzle geometric effects on counterflow flame fluid

dynamics

Expected paper on isolating the multi-dimensional fluid dynamic effects that are not

yet understood in counterflow, diffusion flame modeling

2013, December, expected presentation and paper, Laminar Reactive Boundary Layer

Simulation of an Ablating Heated Carbon Surface, ASM

2012, April, presentation and paper, Development of a Cohesive Reactive Boundary Layer

Model for Ablating Surface Applications, Virginia Space Grant Consortium Student

Conference

2010, presentation and paper, Development of a Gas Generator for a Scramjet Flight

Experiment, AIAA Student Conference, I-MA Region

2010, Development of a Gas Generator for a Scramjet Flight Experiment, Undergraduate

Thesis presented to the University of Virginia

Classes, TA-ships, and Tutoring

Summer 2012, Tutor for advance Statistics

Spring 2011, 2012 Fundamentals of Fluid Dynamics, tutor

Fall 2010, 2011, Partial Differential Equations, Substitute Teacher (3 classes and 6

classes respectively)

Fall 2010, 2011, Partial Differential Equations, tutor

Awards and Honors

2012, Virginia Space Grant Consortium Graduate Fellow

2011, Virginia Space Grant Consortium Graduate Fellow (VSGC)

o 5,000 grant for research, renewable once

2010, National Defense Science and Engineering Fellowship (NDSEG)

o Three year ~$100,000 fellowship for PhD research of my choice

o Sponsored by High Performance Computing and Modernization Office of the

Department of Defense

Other Publications/media

2012, Whiskey and Flip Flops? Coding and Galas? Am I Reading This Right?,

commentary on the confusing coding and start-up generation. Located at In the Capital:

http://inthecapital.com/2012/06/27/whiskey-and-flip-flops-coding-and-galas-am-i-reading-

this-right/

2010, Non-Technical Thesis, The Discontinuation of the American SST (supersonic transport)

Program, Undergraduate thesis submitted to the University of Virginia

Website: www.rfjengineer.com

Details on Experience:

1. PhD Dissertation Research:

My PhD. skillset is currently in the area of simulating two dimensional reacting flows. My

current research focus includes, but is not limited to: counter-flow flames, co-flow combustion,

shear flow, and reactive flat plates. All simulations are currently done using laminar based codes

with highly refined grids. A major amount of effort was used in including detailed chemical

mechanisms and diffusion models. I use mainly the finite volume package, OpenFOAM, to

develop my own solvers, both compressible and incompressible. I also have limited experience

with Vulcan, and Spark-2D which were developed by NASA. I will be pursuing both codes in the

remainder of my second year of graduate school. In early November 2011, I passed my oral

comprehensive exam, and am now a PhD. Candidate.

References:

Harsha K. Chelliah, abp7w2@r.postjobfree.com

Gaetano Esposito, abp7w2@r.postjobfree.com

2. Aerojet Ballistics Intern:

Aerojet is a company that mainly builds rocket motors . As a ballistics intern I participated

in numerous propellant simulation tasks. I was treated as a fully capable employee and trusted

with multiple engineering problems. During my summer I learned to fully simulate propellants for

the prediction of rocket performance. I also worked to develop a gas generator that will be used

as the ignition source for the scramjet of the University of Virginia s Hy-V flight experiment. The

development of the gas generator will be the subject of my independent senior thesis as well as

the topic of an AIAA journal publication. In the report written by my supervisor, Mark Friedlander,

he stated:

Ryan is a self starter and needs minimal instruction to proceed with an assigned task. He is

logical and thorough in his approach to problem solving. He is observant and astute. He is never

afraid to ask well thought questions.

W orking for Aerojet was an unforgettable experience. It broadened my engine ering education by

giving me valued experience in predictive simulations and numerical analysis.

References:

Mark Friedlander, abp7w2@r.postjobfree.com

Ken Adams, abp7w2@r.postjobfree.com

3. Sounding Rocket Payload Experiment:

I served as Program Manager for a sounding rocket payload experiment that is facilitated

by The NASA Wallops Fight Facility, and is an expansion of the RockON Sounding Rocket

W orkshop. The objective of our experiment was to integrate shear sensors that use

interferometer technology into a sounding rocket utilizing the resources that the RockON

experiment had to offer. My responsibilities included organizing team meetings between my

school and other participating parties, taking the role of overall technical advisor to payload

design and integration, overseeing fiscal budgeting and funding, and making executive decisions

to assure the efficiency and success of our team. For the experiment I completed conceptual,

preliminary, and critical design reviews as well as drafted funding propo sals in combination with

overseeing the complete design of our payload.

References:

Chris Goyne, abp7w2@r.postjobfree.com

Kevin Shinpaugh, abp7w2@r.postjobfree.com

Research Assistant at The University of Virginia s Aerospace Research Laboratory

4.

The Virginia Space Grant Consortium is a prestigious institution which appropriates funding

to exceptional students seeking to do faculty advised research for summer internships. My

accepted proposal was based on studying the aspects of program management and then

implementing what skills I learned during the school year. This experience is particularly unique,

as most engineering students rarely learn how a program is properly drafted, designed, and

executed. I started the summer with the construction of the website for the Hy-V Flight

Experiment which is now available at:

www.mae.virginia.edu/HyV

It was also essential that I study modern compressible flow, due to the fact that the program that I

managed dealt with hypersonic engines known as scramjets. I also acquired enough usage time

with the software programs: Solidworks and Matlab to become extremely proficient with each.

References:

Chris Goyne, abp7w2@r.postjobfree.com

Michael Smayda, abp7w2@r.postjobfree.com

5. RockON Sounding Rocket Workshop

The RockON Sounding Rocket Workshop was facilitated by NASA Wallops Flight Facility.

The workshop s goal was to build and integrate a fully functional payload into an Orion sounding

rocket within a time period of one week. Through the careful guidance of those running the

workshop, my team assembled the payload circuit board with instrumentation ranging from

pressure taps to Geiger counters. The payload was then integrated and launched in the sounding

rocket. The experiment was a complete success. From this workshop I was able to obtain a

greater understanding of the sounding rocket process, familiarize myself wit h different types of

data acquisition, and receive unique mechanical instruction on payload assembly and integration.

References:

Kevin Shinpaugh abp7w2@r.postjobfree.com

Matthew Bitzer abp7w2@r.postjobfree.com

6. Student Program Manager for the Hy-V Flight Experiment

The Hy-V Program is a scramjet flight experiment that I have been involved with for the

past two and a half years. The research opportunities that the program offers revolves around the

field of hypersonics, an area of study rarely experienced during the first year s of undergraduate

studies. In this program I have researched critical re-entry speeds of sounding rockets,

hypersonic inlet designs, modern compressible flow, and program management. Acting as

program manager for the experiment s student team required that to be able keep up with modern

day organizational tools, effectively communicate with others, and understand every technical

component each of my team members were involved with. My experience as program manager

has also created unique opportunities for me to write proposals for funding and research, present

at a mission initiation conference at NASA Wallops, and attend graduate research design reviews.

I believe that The Hy-V Program has been able to take my skills and potential to new heights; I

can now confidently interact with engineering teams, respond quickly and efficiently to

complicated questions, and effectively lead a design team to bring out its full potential.

References:

Chris Goyne abp7w2@r.postjobfree.com

Bob Rockwell abp7w2@r.postjobfree.com

7. Test Engineer Intern at ATK

The summer of 2007 I was brought to ATK to work specifically on the free jet testing for

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The University of Virginia s Hy-V Flight Experiment . Here I participated in cabin installation and

shakedown for facility buildup, performed instrumentation configuration and checkouts, and

scramjet installation. The working scenarios required heavy development of my mechanical skills,

as I was constantly working with both technicians and test engineers that required quick, hands -

on involvement. I participated in a wide range of pre-test and post-test activities that became

essential to the completion of heavy tasks assigned to small groups. In the report written by my

supervisor, Richard Stone, he stated:

Ryan is reliable, enthusiastic, and thorough. He maintains focus and discipline even while

working tedious tasks for extended periods of time. He learns quickly.

W orking for ATK was an unforgettable and life changing experience. I quickly adapted to living an

independent lifestyle, while at the same time brought my full efforts forward to assist the people at

ATK.

References:

Dan Cresci abp7w2@r.postjobfree.com

Rich Stone abp7w2@r.postjobfree.com

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