Erica Chung Email & Phone Number

Falls Church, Va, Us

-Developed PATRAN/NASTRAN finite element models (FEM) to perform static (inertial loads, thermal stress) and dynamic (random vibration and modal analyses) analyses for various satellite payload piece parts, assemblies, and test equipment; post processed stress and bolt force results to provide suggestions for improvement of material margins and optimizization of design-Designed and conducted case study to characterize vibrations from helium compressors on thermal vacuum chamber structure to reduce noise on the unit under test inertial measurement unit data -Responsible engineer for various environmental tests such as random vibration and mechanical alignment; verified test setup, inputs and results for various payload assemblies to validate design

Falls Church, Va, Us

Participant in Northrop Grumman's new graduate rotational program, where I held various roles in different teams around the Azusa campus. My positions and responsibilities are listed below.Environmental Test Engineering Rotation Nov. 2018 – May 2019-Prepared and supported thermal vacuum chamber for satellite payload tests by performing test -equipment checkouts and repairing defective components such as thermocouples, heater relays, etc.-Troubleshooted optical alignment measurement by experimentation and elimination of environmental and operational variables (temperature, airflow, methodology, etc) to achieve repeatable results in new Payload Performance and Optimization Rotation Jan. 2018 – Dec. 2018-Developed several MATLAB tools to streamline and automate data analysis to optimize payload sensor performance through iteration of on-board satellite parameters through simulation softwareMechanical Design Rotation July 2016 – April 2017-Redesigned damaged payload component to reduce stress concentrations while maintaining system level mass and inertia requirements; verified design with FEA

Falls Church, Va, Us

• Updated process specification for Exoatmospheric Kill Vehicle (EKV) to reflect program specific part numbers• Compiled and processed revision notices for process specification changes• Confirmed or updated specialty metals classifications for parts in accordance to the Berry Amendment