eFatigue, a trusted source for fatigue analysis


This website contains a wide variety of web based fatigue analysis software tools for computing fatigue lives of metallic machine components and structures. Here are the staff who are responsible for the development and maintenance of this website.

If you have questions, please contact us today.

Darrell Socie

Managing Director

PhD, Theoretical and Applied Mechanics, University of Illinois at Urbana-Champaign
BS and MS, Metallurgical Engineering, University of Cincinnati

Since 1978, Dr. Socie has held the position of Professor of Mechanical Engineering at the University of Illinois. He is the former Director of the Fracture Control Program, a consortium of ground vehicle companies interested in solutions to fracture and fatigue problems. He has authored over 125 technical articles on all aspects of fatigue and durability assessment techniques including the ASTM standard E1049 on cycle counting methods. The Wöhler Medal from the European Structural Integrity Society, Award of Merit from American Society for Testing and Materials and the Colwell Award from the Society of Automotive Engineers are amoung his many awards. Darrell is an invited lecturer throughout the United States, Europe, China and Japan. He has been teaching industrial fatigue seminars for over 25 years. He has been active in small business development and is one of the founders of SoMat.

Gary Malton

Fatigue Specialist
Software Development

BSc (Hons) Aeronautical Enginering, University of Manchester

Gary Malton has 20 years experience working in software development and metal fatigue. He was one of the founder board-level directors of Safe Technology in 1998. At Safe Technology, Gary was also the lead software developer on fe-safe (their flagship FEA fatigue product) and was responsible for all their software products. In addition to his fatigue experience he has extensive experience of interfacing to FEA products including ANSYS. ABAQUS, NASTRAN, and Pro-Mechanica.

Jonathan Prykop

Web Application Development

BFA Theatre Studies, DePaul University

Jonathan has been programming for the web professionally since 1997. He is responsible for developing the eFatigue web user interface. Before joining eFatigue, he spent six years developing web applications for Wolfram Research, makers of Mathematica.

Ben Socie

Software Development

MS Chemical Engineering, Northwestern University
BS Chemical Engineering, University of Wisconsin

Ben developed the original fatiguecalculator website and is currently working on custom software applications.

Michael Socie

Software Development

MS Mechanical Engineering, University of Illinois
BS Biomedical Engineering, University of Wisconsin

Michael is responsible for developing the stress concentration finder.

Bethany Cook

Administrative Assistant

AAS Culinary Arts, Kendall College

Bethany provides administrative support and assistance to the eFatigue staff.