engineering portfolio - shawn pheng moua

Professional Portfolio

Shawn Pheng MouaB.S. Aerospace Science & EngineeringB.S. Mechanical Engineering

Table of Contents

Resume …………………………………………………………………………………… 1

Introduction/Letter of Intent …………………………………………………………… 3

Philosophy, Goals, and Visions …………………………………………………………. 5

Skills Development ………………………………………………………………………. 6

I. MatLab ………………………………………………………………………………. 7

Guided User Interface (GUI) of Clean Energy Units Planner

Parametric Cycle Analysis using PARA

Airplane Design Analysis: Stability/Control & Flying Qualities

II. PATRAN/NASTRAN – Finite Element Analysis …………………………………. 11

Satellite Inertial Loading & Radiation and Modal Analysis

III. CAD & Manufacturing ……………………………………………………………... 12

Gearbox Design

IV. Python ……………………………………………………………………………….. 14

Aerodynamic Analyses

V. Airplane Design ……………………………………………………………………… 15

OpenVSP - AIAA Airplane Design Model

Certifications and Documents …………………………………………………………… 18

I. Letter of Recommendations

II. Transcript – University of California, Davis

Engineering Portfolio, Shawn Pheng Moua i

Resume

SHAWN PHENG MOUA10063 Spring Street cell: (209) 406-4683Galt, CA 95632 email: [email protected]

QUALIFICATION PROFILEDriven, passionate, and visionary Aerospace and Mechanical Engineer with an extensive influence in air vehicles design and analysis. Effective communicator and team-oriented individual with strong organization and quick-learning skills. Seeking to grow as an individual and professionally in expanding knowledge and talents in aero and mechanical design.

EDUCATION

2016Bachelors of Science. (Dbl. Major: Aerospace Science & Engineering / Mechanical Engineering), University of California, Davis. GPA: 3.12

2012 High School Diploma, Cesar Chavez High School, Stockton, CA. GPA: 4.61

SKILLS and HIGHLIGHTS:

Air Vehicles Design Specialist Stability/Control/Flying Qualities Design Machine/Mechanical Design Navigation/Controls Design Aerodynamics Evaluations Design/Performance Evaluations MATLAB knowledge PYTHON Software PATRAN/NASTRAN Software AutoCAD/SolidWorks Software Design Computations Finite Element Analyses & Reports Manufacturing Experience Guided User Interface Design Structural Analysis/Evaluation Reports

Microsoft Office Adobe Suite/Creative Cloud Quality Client Relations Perfectionist-Oriented Pro-active & Dependable Quick & Eager learner Experience with strategic planning, research,

program development, evaluation, presentations, & report writing.

Experience working with diverse, multicultural populations.

Bilingual – English & Hmong Study Abroad (Italy – Mechanics of

Materials) Problem-Solver

PROFESSIONAL EXPERIENCES Computer Room Consultant, Computer Lab Management September 2015-August 2016University of California, Davis. Pay: $11.00/hour, bi-monthly. Avg. hours: 12-14hrs/week

Established relations with teachers, administrators, and instructional staff and assisted instruction in courses and in the use of technological resources.

Provided advanced assistance in Media Software & Devices, Adobe Creative Cloud/Suite, and Microsoft Office.

Provided assistance in troubleshooting problems through quality customer service and offering technical, viable solutions.

Engineering Portfolio, Shawn Pheng Moua 1

mailto:[email protected]

Resume

LEADERSHIP ROLES, SPECIAL HONORS, & AWARDS 2015 - 2016 American Institute of Aeronautics and Astronautics: Team Member and

Stability, Control, & Performance Lead 2013 - 2016 Southeast Asian Leader: University of California, Davis 2014 - 2016 President: Hmong Student Union @ UC Davis 2016 Class Speaker: Southeast Asian Graduation 2015 Navigation, Control, & Communications Lead: Ceres Mission 2013 - 2015 Coordinator, MC, & Workshop Facilitator: Higher Education Conference 2013 - 2014 Southeast Asian Games Pageant Contestant and 1st Runner Up 2013 College of Engineering Dean’s List (University of California, Davis) 2012 Cesar Chavez High School Valedictorian 2011 - 2012 President: Honors Show Choir 2012 Charles Washington Athletic Award Recipient 2012 Scholar Athlete of the Year 2012 San Joaquin Athletic Association All-Conference Defensive Team Member

PROFESSIONAL REFERENCES

Joe Castillo, Lab Manager, IET-ATSUniversity of California, DavisWork: (530) 752-5143; Email: [email protected]

Danny Vang, Ph.D Professor and CounselorCalifornia State University, Sacramento; Natomas Unified School DistrictWork: (916) 278-4106; Cell: (209) 623-8301; Email: [email protected]

Mr. Mel Suguitan, Music TeacherCesar Chavez High School, Stockton Unified School DistrictWork: (209) 933-7480; Cell: (209) 406-7507; Email: [email protected]





Introduction

Introduction/Letter of Intent

To Whom It May Concern:

As a child, the possibility that man could fly like birds in the sky fascinated me. I often found myself building hundreds of planes from Lego-blocks only to crash upon throwing them. My curiosity turned into inspiration, ultimately propelling me to pursue a degree in Aerospace and Mechanical Engineering at the University of California, Davis. In my baccalaureate program, I gained a comprehensive knowledge in Aerospace engineering including: Orbital Mechanics, Dynamics, Fluid Mechanics, Materials, Thermodynamics, Manufacturing Processes, and Mechanical Design to name a few. I have worked extensively with engineering professionals, professors, and peers, and developed projects utilizing engineering programs including but not limited to: MatLab, AutoCAD, SolidWorks, Python, Patran, and Nastran. These projects include serving as the Stability and Control Lead on a team competing for the 2015-2016 national American Institute of Aeronautics and Astronautics (AIAA) Aerobatic Airplane Design competition, and also serving as the Navigation and Communications Lead for a Space Missions Design to Ceres. These endeavors are a few highlights as an engineering student. I feel confident that my strong academic background and leadership skills will enable me to make a strong contribution as an engineering professional.

In my first year of college, I was able to acquire knowledge of computer aided design in my course: Graphics Design. During that time, I had the privilege to learn and use the CAD program, AutoCAD. In my project design, I learned crucial team skills of communicating accurately with teammates and compromising with them in achieving the best design. Continuing in my first year, I was also exposed to computer programming. Here, I was named team leader for my team project design of a Guided User Interface (GUI), where I learned important skills as a leader in delegating tasks, scheduling deadlines, and establishing easy and vital means of communication. In my second year, I was also introduced to manufacturing where I learned and witnessed the various manufacturing processes of casting, molding, and forming to name a few. Not only did I gain theoretical knowledge of manufacturing, but also hands-on experience in the subject. I had the privilege to CAD-design objects, put them onto drawings, and manufacture my own parts from lathes and CNC mills in the Engineering Fabrication Laboratory.

At the beginning of my third year, I took the opportunity to go abroad and study Mechanics of Materials in Italy. Under the guidance of two fantastic professors, Sashi Kunnath and Giorgio Monti, studying abroad has enlightened me to have a broader perspective of engineering and see things from different angles. Along with 19 others, I witnessed the evolution of man’s knowledge in materials of static buildings and dynamic vehicles. I had the chance to see the framework of the Colloseum, its clever supports, and also its flaws from an engineering expert’s


Introduction

perpsective. Additionally, I saw Venice and its engineering work that enabled it to be a city of water. Studying abroad has exposed me to different cultures and lifestyles that would consequently shape overseas engineers’ perspectives and values. Through this experience, I have learned to better communicate with other engineers, appreciate their knowledge, and aspire to expand our knowledge into new frontiers.

In my fourth year, I worked in numerous teams and programs expanding engineering knowledge and honing my skills. In the fall, I received the opportunity to test my CAD and manufacturing skills by designing and producing a gearbox. More importantly, this project helped refined my team-working skills exposing me to an abundance of varying team dynamics, clashing designs, compromise, and unforeseen issues giving me insight to future real team projects. I was also given the opportunity to be part of a team creating a mission to Ceres, a “believe-to-be” inhabitable asteroid in the asteroid belt. This project showed me that self-research, researching efficiently and accurately, was vital in success. In addition, I received the opportunity to challenge myself on a national level: competing in the national AIAA Aerobatic Airplane Design competition and serving as the Stability, Control, Performance, and Flying Qualities Lead on my team. I was also given the chance to present our findings in a showcase to engineering professionals, professors, and other peers. Through these experiences, I have learned to better communicate and work with teammates, present information accurately and concisely, and be more proactive and productive as an engineering individual.

As an undergraduate aerospace and mechanical engineering graduate, I am proud to join engineering professionals in making a difference in the world and make it a better place. I am sure your opportunity would benefit me greatly in gaining vital experience and leave me well prepared for my future endeavors. Additionally, your opportunity will not only elevate my career but would also allow me to serve as a better individual and contributor in society. I am sure that you will share my confidence and give me an opportunity in furthering both yours and my aspirations.

Sincerely,

Shawn Pheng Moua


Philosophy, Goals, & Visions

PhilosophyI believe that science is the ability to predict the future, and it is the engineers that use this visionary power to create consumer-safe products and constraints. It is within the engineers’ hands to operate ethically and professionally to ensure that things actually work as intended: for example, the brakes of a car will slow the car down and not achieve something else. Thus, while challenging as it may be, we as engineers have been entrusted a huge responsibility to society and its future.

Goals:• Professional Goals:

• Obtain a professional engineering job.• Continue in obtaining professional experience and networking.• Continue on the leadership path to one day be a CEO of an engineering company.

• Personal Goals:• Learn skills that will complement my professional work: for example, piloting.• Travel the world!• Continue educational career to one day earning an Engineering Doctorate’s degree.• To become a professor one day in hopes of sharing my knowledge and experiences.• Continue to be a life-long learner.

Visions:I believe that professional growth and development is necessary for all engineers. Engineers should not be content regardless of their current status or knowledge but instead be constantly proactive and eager to expand their boundaries throughout their careers. Yes, this professional growth and development can be acquired through individual study and work trainings, but more importantly, I believe that it can be obtained through shared experiences with colleagues on an everyday basis. Thus, to wherever I may be in my career, I will strive forward by continuing to learn.


Skills Development

Criterion: Skills Development

Goals:To develop a catalog of skills development for reference and discussion.

Artifacts: I. MatLab pg. 7

Guided User Interface (GUI) of Clean Energy Units Planner

Parametric Cycle Analysis using PARA

AIAA Airplane Design Sizing, Stability, Control, and Flying Qualities

II. PATRAN/NASTRAN - Finite Element Analysis

pg. 11

Satellite Inertial Loading & Radiation and Modal Analysis

III. CAD & Manufacturing pg. 12

Gearbox Design

IV. Python pg. 14

Aerodynamic Analyses I

V. Airplane Design pg. 15

AIAA Airplane Design Model

Overview:I selected these artifacts because they are representative of a few of the work and core skillsthat I have indulged myself in within recent years to hone my future career skills. These works encompass a broad range of topics including but not limited to the analyses of structures, rocket engines, and airplane designs to presentations of research, designs, and findings.


Skills Development – Artifact I

Artifact I – MatLabThrough various projects and classes from my freshmen year to the very last quarter as a senior, I learned the extending capabilities of MatLab using it to create Guided User Interfaces and conduct realistic simulations and analyses.

My first sample of MatLab simulates a clean-energy unit planning program. The objective was to create a Guided User Interface using MatLab that enabled the user to place windmills or solar panels over an area and generate a summary consisting of units, cost, etc. Although complex at first-glance, the interface, data displays, and its functions are as autonomous and user-friendly as possible. Below is the interface a user would see upon running the code.

Figure 1 - GUI Interface of Clean Energy Units Planner



The 2nd sample consists of using a MatLab extension tool called PARA to conduct parametric cycle analyses for air-breathing engines. In my case, an analysis of both an ideal and real turbofan engine was conducted and compared. Below shows the PARA interface organized data summarized into a carpet plot and table.

Figure 2 – PARA Interface (left) and Summarized Data [right]

Engineering Portfolio, Shawn Pheng Moua

Engine Parameters & Comparisons

Carpet Plot: TSFC v. Specific Thrust

8


My final sample consists of an analysis of my senior airplane design project in the participation of the AIAA Aerobatic Airplane Design national competition. In this sample, I used MatLab to conduct analyses on sizing, stability, control, and flying qualities of our airplanes. Some things calculated included the airplane’s stability control derivatives, moment of inertias, and flying qualities. These data are summarized below in Figures 3-5.

Figure 3 - Aircraft Stability Control Derivatives



0 5 10 15 20 25500

1000

1500

2000

2500

3000

3500

4000

4500One Seat Moments vs. CG Location

CG Location, (Xcg), [ft]

Mom

ent o

f Ine

rtia,

(I xx, I

yy, I

zz),

[ft]

IxIyIz

0 5 10 15 20 250

1000

2000

3000

4000

5000

6000

7000Two Seat Moments vs. CG Location

CG Location, (Xcg), [ft]

Mom

ent o

f Ine

rtia,

(I xx, I

yy, I

zz),

[ft]

IxIyIz

Figure 4 - Moment of Inertias vs. CG Locations

One-Seat Two-Seat Requirement

Phugoid Damping Ratio, zPH 0.194 0.181 zPH > 0.04 sec

Short Period Damping Ratio, zSP 0.690 0.747 0.35 < zSP < 1.30

Spiral Mode Time to Double

Amplitude, t2 [sec]

32.39 26.848 Min. t2 = 12 sec

Roll Mode Time Constant, troll

[sec]

0.123 0.0905 Max. troll = 1.0

Dutch Roll Product, zDR * wDR 0.795 0.583 Min. zDR * wDR = 0.35

Figure 5 – Flying Qualities Summary


Skills Development – Artifact II

Artifact II – NASTRAN/PATRAN - Finite Element AnalysisFinite Element Analysis was a tricky method that incorporated a lot of elements I learned from many classes. However, I was honored and lucky to have Professors such as Nesrin Sarigul-Klijn. Realizing that future engineers needed more than just books and exams, she gave the class and me the opportunity to use real engineering-career programs such as Nastran and Patran to conduct realistically-simulated analyses.

The following is from an FEM analysis of a satellite subjected to launch inertial loading and modal and radiation using PATRAN and NASTRAN. An analysis was conducted and reported by simulating realistic inertial loads, mass properties, and assigning a center of gravity, and observing how it deforms, meet specified requirements, and ultimately if it fails.

Figure 3 – GEL = 5, 6; Displacements (Left), Stresses (Right)

Figure 6 - PATRAN/NASTRAN simulations

Engineering Portfolio, Shawn Pheng Moua

Table of Modal and Natural Frequencies and Pictures of Mode Shapes (in order from 1-10)

11

GEL = 1.25, 1.5 Node Location

Max Displacement [in]

1.36E+00 5713

Min Displacement [in] 0 4363

Stress – Max [psi]

5.07E+03 5593

Stress – Min [psi] 1.59 6053

Modal

Number

Natural Frequency,

[1/s]

Eigenvalue

Number

1 11.183 5.40

2 11.38 7.75

3 11.38 6.72

4 11.61 7.20

5 11.61 7.82

6 11.681 5.59

7 20.16 5.29

8 21.212 6.48

9 21.212 6.33

10 22.74 7.23

Skills Development – Artifact II

Artifact III – CAD & ManufacturingI was new to CAD modeling and Manufacturing entering college, but gradually increased my skills into programs such as AutoCAD, Solidworks, and Esprit and getting hands-on experience in our Engineering Fabrication Lab.

The sample shown consists of a report my team and I constructed of a gear box design. In this project we were given a few plastic gears, and instructed to design and manufacture a gearbox and cart to haul books at different conditions (number of books and at different inclined slopes).

This project taught me a lot of things about the manfucturing process including: engineering design, manufacturing constraints, material selection and where to receive it, the manufacturing process to create the parts, the testing process, being spontaneous for unforeseen problems, and adjusting to a lot of team dynamics to get the job done and on time. All in all, my team and I did exceptionally well at the end of the quarter when all teams competed for the most load cases and fastest times.

Figure 7 - Competition Day with the Team and instructor! (missing two team members)


Skills Development – Artifact III

Figure 8 - Final Gearbox Design

Engineering Portfolio, Shawn Pheng Moua pg. 13

Skills Development – Artifact IV

Artifact IV – PythonPython was new program that I didn’t come across until my senior year in my Aerodynamics class led by former NASA Astronaut and UC Davis professor Steve Robinson. Like any new software program, it was hard to adjust to, but gave me new insights into Aerodynamics using other tools such as XFOIL to conduct real analyses such as analyzing the Cessna 150 and Boeing 747.

The following are from a report I conducted using Python to find the circulation distribution for a simplified elliptic, rectangular, and tapered wing. In addition, aerodynamic characteristics such as 3D lift curves, drag polars w/ wing stall, effective angle of attack, and Aspect Ratio were also calculated. Figure 9 shows these results.

Engineering Portfolio, Shawn Pheng Moua pg.

Figure 9 - Python Aerodynamic Analyses Plots

14

Skills Development – Artifact V

Artifact V – Airplane DesignThe following is a model of my senior team airplane design with a public software provided by NASA called OpenVSP. The software allows an individual to easily create a simple model and simulate it under various conditions. The following work shows my team design of one of our airplanes I modeled in my Senior Design Project for the AIAA Aerobatic Airplane Design competition. This design was also presented at the UC Davis Engineering Showcase. While the competition states to create two airplanes: a one-seater and two-seater variant, only the one-seater and its dimensions are shown in Figures 11-12 below.

Figure 10 - Team "Altaria-Clefairy" presenting the Red & Blue @ UC Davis 2016 Engineering Showcase



Figure 10 - One-Seat Airplane modeled in OpenVSP



Figure 11 - One-Seat Airplane Dimensions



Criterion: Certifications & Documents

Artifacts: I. Letter of Recommendations

a. Dr. Chao Vang. Ph.D Professor & Counselor; Natomas Unified School District

b. Long Thao. Staff Engineer/Project Inspector; 4Leaf, Inc.

II. Transcript – University of California, Davis. Bachelor’s of Science; Dbl. Major:

Aerospace Science & Engineering, Mechanical Engineering


Certifications & Documents – Letter of Recommendation: Dr. Chao Vang

November 9, 2016

To Whom It May Concern:

It is my great pleasure to write a letter of recommendation for Shawn Pheng Moua who is applying for a position with your organization. I first met Shawn as an energetic and enthusiastic student leader on the campus of University of California, Davis. There are several reasons why I support his application.

First, Shawn is a bright and intelligent student who wants to become a leader in his community. His long-term aspiration is to eventually attend graduate school and obtain his Master's degree. He would be one of the very few Hmong male American to have chosen this route. He would truly be an important role model for all students, but especially for Hmong Americans.

Second, Shawn is very goal-oriented in both his professional career and in his service to the community. Most significantly, he worked tirelessly as president of Hmong Student Union at U.C. Davis and in numerous leadership capacity supporting the academic development and experience of his peers. His involvement only strengthened his commitment to becoming a leader and making a positive impact on other individuals.

Third, I am very impressed with Shawn because of his intellectual curiosity and academic pursuits. He took the opportunity to go abroad and study Mechanics of Materials in Italy and under the guidance of Professor Sashi Kunnath and Giorgio Monti he was able to broaden his perspective of engineering and real world application. Attending U.C. Davis, being an active member of numerous on campus student organizations, volunteering in the community, and dreaming for a brighter future are the enrichment Shawn values and strives to achieve.

I recommend Shawn Pheng Moua to you without reservation. He brings together high academic achievement, active service to the community, and a commitment to the betterment of all. I have no doubt that he will be an excellent recipient of the scholarship. Please feel free to contact me if you have any questions or need any further information.

Sincerely,

Dr. Chao VangNatomas Unified School [email protected]



Certifications & Documents – Letter of Recommendation: Dr. Chao Vang

November 10, 2016:

To whom it may concern:

It is my pleasure to recommend Shawn Moua to you as a young professional. I can attest to Shawn’s character and professionalism as I’ve come to know him over four years now. I first met Shawn when he was a freshman in college who showed great passion and drive to pursue engineering. Unlike others however, his passion and commitment to succeed never wavered during his pursuit of a double major in engineering. Rather, Shawn has strived to make others rise with him. Along with his skillset, this rare trait of his makes him unique among leaders and individuals, and why I believe him to be a great addition to any team.

Shawn is not only a person of great character and a humbled background but also possesses a variety of skills and experience in engineering. He is proficient in using CAD programs such as AutoCAD and Solidworks, programming with Matlab and Python, and working in teams to engineer the best products. He has used his skills to complete projects such as designing and building a gear box and a Mission to Ceres a “believe-to-be” inhabitable asteroid in the Asteroid Belt project. Shawn also competed in the National AIAA Aerobatic Airplane Design competition where he served as the Stability, Control, Performance and Flying Qualities Lead.

Shawn is also a great leader and contributor to the Hmong and Southeast Asian community. He served as the Higher Education Conference Coordinator, where college students encouraged and provided a pathway for Southeast Asian youths to pursue higher education. Later on he became the President of the Hmong Student Union at UC Davis, with the goal of providing a support structure for Southeast Asian college students at UC Davis, establishing a networking system for Southeast Asian UC Davis alumni, and helping out the Hmong and Southeast Asian community at large.

Shawn is an outstanding leader in his community and has the skillset to perform on any team. I look forward to seeing the contribution he will provide in the years to come. Please feel free to contact me for further information.

Sincerely,Long ThaoStaff Engineer/Project Inspector4Leaf, [email protected]

