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TANAZ RAHIMZADEH, PH.D.

Address: ** ******, ******, ** ***** Tel: 949-***-**** E mail: acz2fy@r.postjobfree.com Linkedin: linkedin.com/in/tanazrahimzadeh

PROFESSIONAL SUMMARY

Motivated and self starter Mechanical Engineer with a Ph.D. in Mechanical Engineering and over 10 years of research and work experience in mechanical design, analysis and testing of complex and multi disciplinary systems (electric motors, gas turbine engine, vehicle engine, packaging and medical devices). CORE QUALIFCATIONS

Excellent knowledge in finite element structural and thermal analysis (static, dynamic, modal, harmonic, random vibration and heat transfer) using ABAQUS, ANSYS, SOLIDWORKS and HYPERMESH.

Practical knowledge in CAD modelling using SOLIDWORKS, CATIA and NX.

Practical experience in product design, development and verification/validation testing and durability assessment.

Strong knowledge in solid mechanics, mechanics of materials (elastomers, metals, plastics, injected molded composites) and structures/materials failure modes.

Practical skills in testing methods development, statistical techniques and project management. EDUCATION

2016 Ph.D. in Mechanical Engineering, University of Michigan, Ann Arbor, MI Thesis: Finite element modelling, material design, design optimization and experimental investigation of impact resistant protective structures (packaging application). 2009 Master of Mechanical Engineering, McGill University, Montreal, Canada Thesis: Finite element modelling of fatigue life enhancement effect of shot peening process. 2006 Bachelor of Mechanical Engineering, Concordia University, Montreal, Canada (Great Distinction) WORK EXPERIENCE

March 2017 – Present Staff R&D Test Engineer Transcatheter Heart Valve, Edwards Lifesciences, Irvine, CA

Support design, development, analysis and testing of transcatheter heart valves.

Develop fatigue testing methods in design verification of frames; incorporate finite element analysis (static) using ABAQUS and statistical techniques in the development process.

Support Nitinol material characterization tensile testing (dog bone specimen), super elastic material modelling and fatigue testing (C specimen) to generate fatigue constant life diagrams.

Familiar with frame verification tests: radial strength, crushing, fatigue, over expansion and force on commissure.

Knowledge on stent design, DOE, medical standards (FDA, ISO, ASTM), test protocols and reports. Aug. 2016 – Feb. 2017 Senior Mechanical Engineer, Ducommun Inc., Carson, CA

Supported design, development, analysis and verification/validation testing of motion control devices (DC motors and resolvers) for space applications based on JPL specifications.

Assisted with conception, development, and implementing various verification/validation testing on electric motors: thermal cycle, dynamometer, powered torque profile, detent torque profile, bakeout and rotary life.

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Performed finite element analysis (heat transfer, static, modal and random vibration) of motor assemblies using SOLIDWORKS and proposed design recommendations based on analysis results; created 3D CAD drawings using SOLIDWORKS and reviewed and approved drawings.

Tracked and reported project progress (schedule, status, action items and lessons learned) and interacted directly with the client (JPL) to achieve project goals. Oct. 2015 – July 2016 Structures Stress Engineer, General Motors, Pontiac, Michigan

Involved in design, development and analysis of powertrain components (shaft, gear, fastener, oil pan, fuel pipe, elastomer seals, etc.).

Retrieved and modified CAD models of engine assemblies/components using NX and conducted finite element analysis (static and dynamic) using ABAQUS, HYPERMESH and SIMLAB.

Enhanced current standard analysis practices for anisotropic material modelling and analysis of injected molded composites using MOLDFLOW and DIGIMAT to improve prediction fidelity.

Worked cooperatively with test engineers to enhance fatigue characteristics of rubbers laboratory procedures to support the development of first time capable analysis techniques. May 2006 – Jan. 2010 R&D Structural Analyst, Pratt & Whitney, Montreal, Canada

Supported design, development, analysis and testing of gas turbine engine rotating components.

Worked on CAD models of turbine components using CATIA, performed finite element structural and thermal analysis (static) using ANSYS, completed durability assessment of turbine components in terms of mechanical strength, fatigue, creep, oxidation and crack initiation & propagation.

Assisted with turbine disc burst/pre spin tests to predict burst speed and define pre spin criteria.

Supported nickel based superalloys fatigue testing to generate fatigue constant life diagrams and tensile testing to model the material in finite element analysis. PATENT

2014 Blast/Impact Frequency Tuning and Mitigation (Serial # US 61/904,206) Thouless M. D., Rahimzadeh T., Arruda E. M., Waas A. M

Developed a new protective technology designed to mitigate damage from blasts and impacts. Major applications would be in packaging, sport helmets and advanced combat helmets. RESEARCH EXPERIENCE

Jan. 2011 – Jan. 2016 University of Michigan, Ann Arbor Graduate Student Research Assistant

Investigated mechanics, dynamics, design optimization, finite element analysis and experimental investigation of impact resistant protective structures involving energy absorbing materials

(plastics, foams and visco elastic polymers).

Innovated a novel design concept called “impact frequency tuning and mitigation” using high strain rate response of visco elastic polymers to optimally mitigate the damaging features of impact.

Studied the mechanics of impact and developed computationally and analytically the impact characteristics of two spherical shells with intermediate shell thickness to outer radius ratios.

Developed a dynamic model of the head (brain/skull) using MATLAB/SIMULINK to identify the damaging features of impact responsible for the brain acceleration.

Conducted finite element analysis (dynamic, modal, random vibration and harmonic) of the structure using ABAQUS and ANSYS; investigated frequency domain using FFT technique in MATLAB. 3

Studied material characterization of polymers in terms of high strain rate and low strain rate response using Split Hopkinson Pressure Bar and Dynamic Mechanical Analysis.

Conducted impact tests on an experimental mock up of a skull/brain system equipped with a helmet using drop weight machine, high speed camera and Digital Image Correlation (DIC) technique to measure brain deformation.

SELECTED AWARDS AND HONORS

NFL/GE/Under Armour Head Health Challenge III project winner, 2015.

Natural Sciences and Eng. Research Council of Canada (NSERC) Postgraduate Scholarship, 2013. COMPUTER SKILLS

FEA software: ABAQUS, SOLIDWORKS, ANSYS, HYPERMESH, SIMLAB

CAD software: SOLIDWORKS, CATIA, NX

Other software: MATLAB, SIMULINK, C++, DIGIMAT, MOLDFLOW SELECTED PROFESSIONAL TRAININGS & CERTIFICATES

SOLIDWORKS 3D CAD training, Hawk Ridge Systems, Costa Mesa, California, Nov. 2016

Design for Six Sigma (DFSS) training, General Motors, Pontiac, Michigan, May 2016.

Fatigue Characteristics of Rubbers, Theory & Experiment Workshop, Endurica LLC, Ann Arbor, Michigan, March 2016.

Finite Element Modelling with SIMLAB, Altair, Troy, Michigan, Nov. 2015.

Finite Element Modelling with HYPERMESH, Altair, Troy, Michigan, Dec. 2015.

Finite Element Modelling with ANSYS, ROI Engineering, Montreal, Canada, Nov. 2007.

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