Finite Element Analysis Experience

• Femap / Nastran, Ansys Workbench / SpaceClaim.

• Statics, random vibration, modal, buckling, strain energy analysis (ei: SMAs).

• Proper use of boundary conditions, material properties & failure theories.

• Non-linear materials, fastener analysis, plasticity models, and dynamics structural modeling.

• Optimization of geometry & meshing, preprocessing, manual meshes, and convergence. Composite analysis. Mitigation and balancing of stresses.

Closed-form Analyses

• Hand calculation and Mathcad for closed-form analysis, Roark's formulas, and MMPDS data sheets

• Minitab for statistical analysis

• Mechanical Fits, force fits & shrink fits hands-on experience

• Tolerance Stack-Up Analysis Fastener Preload Calculations & Leadscrew calculations

• Ball Bearing & Roller Bearing sizing, Life calculation, Linear guides, sizing of Tapered lock hubs & bushings, shaft keys, precision ground bars

• Design of flat thread rolling dies, flat spiral spline dies Design of electromechanical systems, brushless motors interface, hall sensors, and optical sensors.

• Design of aeromechanical systems, shrouded impellers, high density inlet & outlet guide vanes

Hands On Experiments, Inspection, Documentation & Reporting.

• Operation of High frequency transducers and data acquisition systems

• Use of Atlas Copco nutrunners & controllers

• Balancing of impeller rotors using a CAB700 balancer

• Completing shrink fits using dry ice, design of assembly fixtures

• Use of 3D printer

• Proficiency in metrology

• Hands-on assembly & testing of prototypes & production units.

CAD & Mechanical Design

• Creo Parametric (14 years)

• SolidWorks, Certified Expert CSWE

• SolidWorks PDM and PTC Windchill for Data Management

• Engineering drawings per ANSI / ASME Y14.5

• Complex BOM drawings and assembly configurations

• Tolerance Stack-Up Analysis.

• Design of Mechanical Fits, force fits & shrink fits.

• Sizing of HDRM Mechanisms, tapered lock hubs, bushings, and lead screws. Bearing life / Fatigue calculations.

• Experience with strain gages, thermocouples, accelerometers, and additive manufacturing.

• Design for manufacturability: machining, investment & sand casting, Injection molding, wire EDM, & 3D printing.

• ECO’s, MRB Part Disposition, NCRs

• Draft Analysis, & Interference Analysis.

Professional Engineering Experience

Northrop Grumman - Principal Mechanical Engineer

Goleta, CA (January 2023 - Current)

• Structural design and stress analysis of spacecraft and satellite deployable mechanisms.

• Compute strength margins due to launch loads & operational loads. Analysis reports & presentation of results.

• Use of Femap/NASTRAN, Ansys, Spaceclaim, Windchill, Creo, & Mathcad for modeling and simulation of structural piece parts and assemblies.

• Analysis types: Quasi-static, modal, random vibration, and non-linear materials. Root Cause and Failure Analysis & Reliability Analysis of a refueling satellite.

Carson, CA ( Dec. 2019 - Dec. 2021 )

• Mechanical Designer of transducerized installation tools for next generation aerospace fasteners.

• CFRP Ansys models, linear stress analysis, and non-linear analysis of bolted connections. Lab data to FEA correlation.

• Statistical analysis for validation of high precision hardware measuring equipment.

• Engineering drawings per ASME Y14.5, effective use of GD&T.

Howmet Aerospace - Mechanical Engineer

Blue Origin - Mechanical Engineer

Remote

Contract ( April 2022 - October 2022 )

• Conceptual 3D design or release mechanisms. Requirements, system modeling, layouts, structural analysis, manufacturing and integration support, test definition and mission support.

• Use creative thinking and novel manufacturing solutions to solve complex problems with high pressure, cryogenic, and highly stressed hardware.

• Engineering drawings per ASME Y14.5, effective use of GD&T.

St.Paul, MN

Contract: April. 2018 - Oct. 2018

• Dynamic simulations of Large Supporting Structures for Turbine Test Facilities using Ansys.

• Completion of CDR & FDR reports and presentations.

• Design of alignment mechanism for 9-ton plenum.

• CAD systems: Inventor, SpaceClaim, & SolidWorks.

Aero Systems Engineering - Mech. Analyst

Revasum -

Mechanical Design Engineer

San Luis Obispo, CA

( Nov. 2018 - August. 2019 )

• Design & development of wafer processing components and systems with optical sensor.

• Spray nozzle system and tube routing design.

• Generation of complex assembly drawings using Solidworks & PDM. (ASME Y14.5, GD&T)

Tehachapi, CA ( Jan. 2006 - Dec. 2006 )

• Operation, performance, first error handling and diagnostics of electromechanical systems of wind turbine generators (WTGs)

• Weather monitoring, and dispatching of technicians 24/7.

• Obtained Tower Rescue Tractel Certification for 500’ tall 5MW turbines.

GE Wind - Support Engineer

Xcelaero -

Mechanical Engineer / Analyst

San Luis Obispo, CA ( Feb. 2007 - April 2018 )

• Design, analysis, development and testing of rotating machinery using Creo and Ansys Workbench. Design of assembly and testing fixtures.

• Lab data to FEA correlation.

• Use of optical tachometers, oscilloscopes, thermocouples, Hipot testers and more.

• MRB disposition. Technical meetings vendor sites for quality control and cost effectiveness.

Engineering Internships

Sylmar, CA ( June 2004 - Dec. 2004 )

3D models and drawings of medical devices using Creo Parametric

St. Jude Medical - Intern

Honeywell Turbo Technologies - Intern

Torrance, CA ( June 2005 - Dec. 2005 )

• Coordinate Inspection, assembly, test cell instrumentation and testing of high-performance hardware, turbochargers and systems.

• Document test plans.

• Design of test fixtures using Creo Parametric.

• Post processing of lab data.

• Experience in metrology including use of CMM machine.

Amcor Engineering - Intern

Ventura, CA ( June 2003 - Aug. 2003 )

HVAC system drawing releases using AutoCad

Certifications & Training

Femap, Ansys & Python:

• Femap: NonLinear FEA Masterclass, (on-going)

• Femap: Analytical Modeling Course, 2023

• Python Basics for Data Analysis, 2022

• Python for Data Science: Intermediate, 2021

• Python Fundamentals I & II, 2021

• Certificate for Introduction to Ansys Mechanical

• Certificate for Ansys Mechanical Structural Non-linearities

Solidworks:

• Certified SolidWorks Expert in Mechanical Design, 2020

• Certified SolidWorks Professional in Mechanical Design

• Certified Solidworks Professional in Advanced Surfacing

• Certified Solidworks Professional in Advanced Weldments

• Certified Solidworks Professional in Advanced Drawing

• Certified SW Professional in Advanced Sheet Metal Design

• Certified SolidWorks Associate in Mechanical Design

GD&T and Other Certificates

• Geometric Dimensioning and Tolerancing, ANSI / ASME Y14.5, GD&T Interpretation

• EIT Certificate

• Certified A&P aircraft mechanic

• Certified for Tractel Climb & Rescue, 5 MW Wind Turbines

Education

California Polytechnic State University, San Luis Obispo

• Thesis: "A Study of Shock Analysis Using The Finite Element Method Verified with Euler-Bernoulli Beam Theory; Mechanical Effects due to Pulse Width Variation of Shock Inputs, And Evaluation of Shock Response Of A Mixed Flow Fan"

• Abaqus, CATIA, ADAMS, Matlab. Thermal: Computational Heat Transfer. Strength of Materials.

Glendale Community College

• Academic Honors for Outstanding Achievement

• Airframe & Powerplant Certificate

Mechanical Engineering, BSME, MSME

Aerospace Technology, AS