Research

Educational Research

  • A Standout in Class and Online Covered in ASEE Prism Magazine (Article)

  • Open Higher Ed Content Covered in Campus Technology Magazine ( Article )

  • Profile in USF News on National Outstanding Teaching Medal (Article)

  • Development and Assessment of Digital Audiovisual YouTube Lectures for an Engineering Course In Numerical Methods ( Abstract )

  • Measuring Student Learning Using Initial and Final Concept Test in a STEM Course (Abstract)

  • Does grading HW improve examination performance? (Abstract )

  • Effect of endless quizzes on examination performance. (Abstract )

  • Introducing and Assessing Laboratory Experience in a Numerical Methods Course for Engineers (Abstract)

  • Problem-Centered Approach in a Course in Numerical Methods (Abstract)

  • Comparing modalities of teaching a module in Numerical Methods (Abstract)

Bioengineering Research

  • Stresses in human nates for the wheelchair-bound

Composite Materials Research

  • A better body armor (Article & Slide Show)

  • Indentation test for composite materials revisited ( Abstract )

  • Thermo-Mechanical Beam Element for Analyzing Stresses in Functionally Graded Materials (Abstract)

  • Optimizing specific strength of infused fiber reinforced sandwich composites ( Abstract )

  • How does interphase modeling affect nanoindentation test results? ( Abstract ).

  • Is crack propagation in composite materials independent of fiber volume fraction? ( Abstract )

Bridge Design Research

  • Evaluating different assembly procedures of trunnion-hub-girder assembly ( Abstract ) 

  • How does geometry affect successful (no cracking) trunnion-hub-girder assembly procedure?  (Abstract ). 

  • Does step-cooling make trunnion-hub-girder assembly procedure fail-safe? ( Abstract )

Other Topics of Research

  • Evaluation of LuGre Tire Friction Model with Measured Data on Multiple Pavement Surfaces ( Abstract )

  • The thermal expansion of a hole in irregular geometries. 

  • Predicting academic performance.

  • A metric to quantify topsy-turvyness of a college football season (Site)

GRANTS

Collaborative Research: Development of New Prototype Tools, and Adaptation and Implementation of Current Resources for a Course in Numerical Methods, National Science Foundation, $150,000, February 2009- July 2010 (Co-PI).

"Holistic Numerical Methods: Unabridged", National Science Foundation, $500,189, January 2008-December 2010 (PI)

"Holistic Numerical Methods", National Science Foundation, $363,280, February 2004-March 2007 (PI).

"Hub Assemblies for the Next Generation of Bascule Bridges", US Department of Transportation, $73,650, October 2004 – September 2005 (Co-PI).

"Holistic Numerical Methods: A Prototype", National Science Foundation, $74,961, January 2002- May 2003 (PI).

"Hub-Girder Bolt Assembly Without An Interference Fit in Bascule Bridges", Florida Department of Transportation, $110,000, November 2001 – August 2003 (Co-PI).

Parametric Finite Element Analysis and Full Scale Testing of Trunnion Hub Assemblies for Bascule Bridges, FDOT, $250,000, September 1998 - June 2001 (Co-PI).

"Acquisition of an Axial-Torsional Loading System for Civil, Mechanical and Materials Testing", National Science Foundation, $166,240, October 1999 - April 2001 (Co-PI).

Mechanics of Brittle Matrix Composites with Imperfect Interfaces, AFOSR, $108,319, July 1995- August 1997 (PI).

Development of User Interfaces for Numerical Techniques for Stress Analysis of Laminated Composite Materials, AFOSR, $50,000, September 1994 - June 1995 (PI).

Micromechanics of Matrix Cracking in Brittle Matrix Composites with Frictional Interfaces," Summer Research Extension Program, RDL/AFOSR, $20,000, January 1993 - December 1993 (PI).

Mechanics of Brittle Matrix Composites with Imperfect Interfaces, AFOSR, $93,211, September 1992 - September 1994 (PI).

Annular Cracks In Brittle Matrix Composites," Systran Corporation/WPAFB, Dayton, Ohio, $14,100, May 91 - August 1991 (PI).

"Design and Analysis of Stainless Steel Tanks," Montgomery Tank Lines, Plant City, Florida, $27,653, October 89 - May 90 (Co-PI).

Publications