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Let us hear the conclusion of the matter; fear God and keep his commandments; for this is the duty of all mankind.

Ecclesiastes 12:13

Profile Photo: Chad File, Ph.D.

File, Ph.D.

Phone: 903.233.3959

  • Professor, Mechanical Engineering

Senior Design - LUNAR

Associate Professor of Mechanical Engineering Dr. Chad File along with team leads introduce the LUNAR Senior Design Project.

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  • PhD, Aerospace Engineering, Washington University in St Louis, 2013
    THESIS - Optimization of Induced-Power from Dynamic Inflow Theory with Realistic Constraints
  • MS, Aerospace Engineering, Washington University in St Louis, 2011
    Course Focus - Computational Mechanics
  • BS, Physics, Southern Illinois University Edwardsville, 2009
    Senior Design Experiment - Digital Fringe Counter for Michelson Interferometer
    Senior Assignment Showcase Winner
  • BS, Mechanical Engineering, Southern Illinois University Edwardsville, 2008
    Senior Design Project - Archery Release-Aid
  • AS, General Studies, Kaskaskia College, 2005
    Certificate - Industrial Service Technician



  • LeTourneau University, Associate Professor of Mechanical Engineering, 2018-present
  • Anderson University, Assistant Professor of Engineering, 2013-2018
  • Washington University in St. Louis, Graduate Research Assistant, 2009-2013
  • Southern Illinois University Edwardsville, Robotics Laboratory Assistant, 2008-2009
  • Winchester Ammunition, Olin Corp., Equipment Design Engineer, 2005-2007
  • City of Greenville, Illinois, Lake Patrol Officer, 2004-2006
  • Bass Pro Shops, Archery Department Team Lead, 2001-2003
  • Tru-Weld Grating, Inc., Machine Operator, 1998-2001
  • Schutt Sports Manufacturing, Machine Operator, 1996-1998


Classes Taught

  • Introduction to Engineering
  • Statics
  • Dynamics
  • Mechanics of Materials
  • Thermodynamics
  • Fluid Mechanics
  • Heat Transfer
  • Vibrations
  • Kinematics and Robotics
  • Machine Design
  • Engineering Projects Laboratory
  • Fluids and Thermodynamics Laboratory
  • Project Management
  • Data Analysis
  • General Physics I (Algebra-based)
  • University Physics I (Calculus-based)
  • Modern Physics Laboratory



  • File, Chad L., Patra, Sayan, Peters, David A., “Approximate Effect of Blade Number on the induced Power of Lifting Rotors at Varying Wake Skew Angles,” Journal of American Helicopter Society, Vol. 62, No. 3, July 2017, pp. 032007-1 to 032007-8.
  • File, Chad L. and Peters, David A., “Induced-Power Efficiency in Axial and Skewed Flow for Finite-Bladed Lifting Rotors,” Proceedings of the Fifth Decennial AHS Aeromechanics Specialists’ Conference, San Francisco, California, January 22-24, 2014.
  • File, Chad L., Optimization of Induced-Power from Dynamic Inflow Theory with Realistic Constraints, Ph.D. Thesis, Washington University in St Louis, May 2013.
  • File, Chad L., Peters, David A., Modarres, Ramin, “Effect of Blade Number on Optimum Rotor Performance in Axial Flow With Swirl,” Proceedings of the ERF 38th Annual Forum, the Netherlands, Amsterdam, Sept. 4-7, 2012.
  • Peters, David A., File, Chad L., Ormiston, Robert A., “Rotor Performance and Optimum Power from Finite-State Inflow with Realistic Constraints,” Proceedings of the AHS International 67th Annual Forum and Technology Display, Virginia Beach, VA, May 3-5, 2011.


Grants & Assistantships

  • J. Christopher Stevens Virtual Exchange Initiative Program, 2018 (Subaward Recipient)
    This program connects American students with Iraqi students to collaborate virtually and complete a project-based, service-learning opportunity in STEM.
  • STEM Summer Camp, 2016 – 2017
    NASA grant to design and host a STEM summer camp for local high school students to encourage and bolster interest and excitement in the fields of engineering and technology.
  • Additive Manufacturing Technology for Classroom Curriculum, 2017 (Primary Investigator)
    This research investigated ways to include 3-d printing technology into current curriculum and evaluate how to give students hands-on exposure that includes multiple additive technologies.
  • Student Team Solar Car Project, 2015 – 2016 (Primary Investigator)
    NASA grant to assist university students in the designing and building of a solar car.