David Ehrhardt Email and Phone Number
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David Ehrhardt is a Research Assistant Professor at University of Illinois Urbana-Champaign. He possess expertise in matlab, pro engineer, finite element analysis, research, experimentation and 10 more skills.
University Of Illinois Urbana-Champaign
View- Website:
- fsi.illinois.edu
- Employees:
- 229
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Research Assistant ProfessorUniversity Of Illinois Urbana-ChampaignMonticello, Il, Us
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Research Assistant ProfessorUniversity Of Illinois Urbana-Champaign Jun 2024 - PresentUrbana-Champaign Area -
Senior Research EngineerUniversity Of Illinois Urbana-Champaign Feb 2021 - May 2024
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Research EngineerEhrhardt Engineering Llc Mar 2017 - Feb 2021Urbana-Champaign, Illinois AreaProject lead in the measurement of curved panels subjected to temperatures near 1000 °F with combined acoustic and mechanical loading using 3D-DIC and forward looking infrared cameras. Project lead in the design and manufacturing of a nonlinear beam demonstrator with distributed and localized nonlinearity.Part of a team measuring flow over curved rigid panels and flat compliant panels in Mach 4 flow using high speed Schlieren techniques, temperature sensitive paint, and 3D-DIC.
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Postdoctoral ResearcherUes Jul 2016 - Mar 2017Wright Patterson Air Force BasePart of a team measuring shockwave boundary layer interactions of compliant panel in Mach 3 flow including full-field pressure, temperature, and displacement measurements.Experimental identification of snap-through boundaries of buckled beams and plates in combined thermal/mechanical environments.Measurement and modeling of nonlinear normal modes of bi-stable systems.
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Postdoctoral Research AssistantUniversity Of Bristol Apr 2015 - Jul 2016Bristol, United KingdomResponsible for design and testing of nonlinear structural system with 1-1 nonlinear modal interactions.Used normal forms analysis to understand the effects of nonlinear interaction terms on the modal response of structuresIdentifying the nonlinear resonant responses of the structureApplying identification techniques to find nonlinear parameters from experimental dataFocusing on torsional/bending motions in cantilever beams -
Research AssistantUniversity Of Wisconsin-Madison Jun 2013 - May 2015Madison, Wisconsin AreaMeasured nonlinear normal modes of beams and plates using stepped sine base excitation and force appropriationUsed 1200lbf-50lbf shakers and modified magnetic pickups to provide steady state and swept sinusoidal, random, and impulse loading excitation.Numerically computed nonlinear normal modes of reduced and full order finite element models using numerical continuationMeasured linear natural frequencies, mode shapes, frequency-energy backbone curves, and deformation patterns of beams and plates using 3D digital image correlation and continuous-scan laser Doppler vibrometryCompared and updated finite element model with measured full-field dynamic responses -
Teaching AssistantUniversity Of Wisconsin-Madison Aug 2012 - May 2013Madison WisconsinLead weekly discussions in Statics and Dynamics coursesGraded exams and design reports
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Engineering Mechanics Co-OpCummins Inc. Feb 2013 - Oct 2013Stoughton, WisconsinPerformed Order Analysis on exhaust pressure pulsation test dataAided in 26000 lbf and 100 lbf electrodynamic shaker installation and maintenance Wrote testing procedure check lists for 26000 lbf shakerPerformed modal tap test in field on exhaust component -
ContractorUniversal Technology Corp. Jun 2010 - Aug 2011Conducted experiments on variables used to calibrate a 3D DIC systemAssessed calibration error using known displacementsConducted swept sine vibration experiments on curved beam (50-900 Hz)Measured full field deformation of curved beams using 3D DIC coupled with high speed cameras using AramisExtracted and analyzed Aramis data using MATLAB
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Teaching AssistantBradley University Aug 2009 - May 2010Supervised experiments in Thermodynamics and Mechanical VibrationsWrote pre-labs for student use during experimentBuilt and tested experimental setups for lab useAnalyzed data from testing to determine usefulness of lab -
Graduate Research Lab InternBradley University May 2009 - Dec 2009Project: Identification of Nucleate Boiling in Heat Exchangers Advisor(s): Dr. David Zietlow, Prof. Steve Gutschlag Tasks: Conducted experiments of heat exchangers Conducted maintenance on apparatus Analyzed data to determine nucleate boiling Researched possibilities for next stage of testing
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Hall DirectorBradley University Aug 2007 - Jan 2009
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Mechanical Group InternBelcan May 2008 - Aug 2008Detailed drawings in Pro-Engineer Checked drawing done by other Engineers Organized parts to be delivered to client Managed office re-organization
David Ehrhardt Skills
David Ehrhardt Education Details
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Engineering Mechanics
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Mechanical Engineering
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Mechanical Engineering
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Mechanical Engineering
Frequently Asked Questions about David Ehrhardt
What company does David Ehrhardt work for?
David Ehrhardt works for University Of Illinois Urbana-Champaign
What is David Ehrhardt's role at the current company?
David Ehrhardt's current role is Research Assistant Professor.
What is David Ehrhardt's email address?
David Ehrhardt's email address is de****@****ley.edu
What schools did David Ehrhardt attend?
David Ehrhardt attended University Of Wisconsin-Madison, Bradley University, Bradley University, Bradley University.
What skills is David Ehrhardt known for?
David Ehrhardt has skills like Matlab, Pro Engineer, Finite Element Analysis, Research, Experimentation, Testing, Thermodynamics, Analysis, Mechanical Engineering, Simulink, Engineering, Labview.
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