Engineering Assistant, Structural Engineer
Resume:
Aman Chokshi
**** ****** ****. ***********, ** **086 • 610-***-****
*******@******.***
Education
Bachelor of Science in Astronautical and Aeronautical Engineering, Purdue University GPA: 3.91/4.00
Expected Graduation: BSAAE May 2022, MSAAE May 2023 Third year student and candidate for BSAAE/MSAAE dual degree program in Aeronautical and Astronautical Engineering. Experience
January 2021 – Present
Structural Engineering Research Assistant, Purdue University West Lafayette, IN
• Conducted nonlinear analysis on Rotating Detonation Engine (RDE) using ABAQUS.
• Used Johnson-Cook plasticity model to accurately model plasticity effects that occur at operating temperatures of RDE.
• Conducted mesh sensitivity analysis on various parts to ensure converged results of nonlinear analysis.
• Determined material properties and constants for OFHC quarter-hardened copper at operating temperatures of 700 F. August 2020 – December 2020
Aerodynamics Co-op, ATA Engineering Huntsville, AL
• Conducted thermal analysis on commercial spacecraft using CBAERO and Tecplot to determine heating effects at various Mach numbers, angle of attacks and rudder positions.
• Conducted flutter analysis on panels at various temperatures to determine standing and travelling flutter at various temperatures and speeds using Abaqus.
• Created mesh using Pointwise that will produce accurate results at Mach 3 for Computational Fluid Dynamic (CFD) analysis.
• Determined flutter of airfoils in time domain and converted it to a frequency domain to compare theoretical and test results.
• Created MATLAB toolbox for customer to analyze test data and accurately decompose signal, determine damping values as well as determine amplitude, phase shifts and frequencies of critical signal components.
• Created mesh for rotorcraft using NX that was used in thermal analysis of rotorcraft as well as calibration for CFD and thermal analysis coupling.
January 2020 – May 2020
Structural Engineering Co-op, ATA Engineering San Diego, CA
• Used NX and NX NASTRAN to conduct structural analysis (load and modal tests) on liquid rocket engine.
• Wrote NASTRAN and MATLAB scripts to run simulations and determine various duct load cases and determine maximum shear, bending and torsion stresses for liquid rocket engine.
• Conducted thermal analysis using MAYA HTT on surface and ocean satellite that will be launched in April 2022.
• Created meshes using NX on various satellites and rocket engines systems to ensure that parts will be able to meet customer standards.
• Created STAR-CCM+ screenplay simulation to determine the effects of the collision of two vortex rings
• Wrote Python code to automatically determine errors in Windows registries during updates and fix them. September 2019 – December 2019
Undergraduate Research Assistant, Zucrow Laboratories West Lafayette, IN
• Aided in analysis on medium size rocket engines that will be sent to low earth orbit.
• Assisted in cold flow and hot fire testing of Combustion Wave Ignition System and Rotating Detonation Engine.
• Aided in instrumentation installation on LOx and Methane liquid rocket engines.
• Manufactured cryogenic tubing in order to withstand capabilities of LOx.
• Installed test devices on 10,000 lbf thruster stand to enable further analysis and data acquisition. Skills
Siemens NX, NX NASTRAN, ABAQUS, CBAERO, Tecplot, Thermal Desktop, Pointwise, CHEM, FEMAP, STAR-CCM+, SolidWorks, MATLAB, CATIA V5, Python, Visual Basic, C, Microsoft Office Activities
• Sigma Gamma Tau, National Honors Aerospace Engineering Fraternity – August 2019 – Present o Organized social outreach events that enabled children as well as adults to get more involved with space. o Coordinated a variety of activities in coordination with other clubs at Purdue University such as: Aerolympiad, Socktober Sock Drive and SGT Stargazing with Purdue Space Program.
• Purdue Professional Ambassadors – January 2021 – Present o Help undergraduate students get in touch with employers to potential internship opportunities o Aid students in interview and resume preparation for co-op and internship positions
• Purdue Space Program Hybrid Rocket Propulsion Team – August 2018 – December 2019 o Helped write MATLAB code to determine varying regression rate of paraffin wax as a fuel. o Determined ablative material to be used in combustion chamber to aid in heat dissipation in combustion chamber. o Determined dimensions of combustion chamber and paraffin wax fuel grain that complied with national SEDS safety standards and ensured 10,000 ft apogee.
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