who.  we.  are. 
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Associate Professor

 

Dr. L is currently in the Mechanical Engineering Department at Colorado School of Mines.  She received her B.S. in Aerospace Engineering and B.A. in Dance Performance as a Shipman Scholar from the University of Michigan, and her M.S. degree in Aerospace Engineering from the Georgia Institute of Technology as a NASA Space Grant fellow with a thesis on thin foil fatigue. Leslie received her Ph.D. from the California Institute of Technology under Prof. Ares Rosakis, researching hypervelocity impact damage as a NASA Aeronautics Scholar and NSF Graduate Research Fellow. A former Lockheed Martin Aeronautics Advanced Development Programs (Skunk Works) engineer, Leslie is a recipient of an NSDEG Graduate Research Fellowship, Zonta International Amelia Earhart Fellowship, and the 2009 Ernest E. Sechler Award from Caltech.  Leslie spent the summer of 2013 at NASA Glenn as a Faculty Fellow, and she is a 2017 ONR Young Investigator and a 2018 NSF CAREER awardee.  

STELIOS KOUMLIS

ASSISTANT RESEARCH FACULTY

Research Focus: Low-Impedance Cellular Material Characterization and Development for Next-Generation Helmet Liners to Mitigate TBI

 

Dr. Koumlis received his B.S. in Aeronautical and Mechanical Engineering from the University of Patras, Greece, with a major in structural mechanics and minor in applied mechanics, materials technology and biomechanics.  He received his MSc and PhD in Mechanical Engineering from the University of Southern California in Los Angeles, with a dissertation on an experimental model of blunt-impact induced traumatic brain injuries under Prof. Veronica Eliasson.  He also has expertise in shock mechanics and combustion kinetics.  Stelios is heading the XSTRM Lab side of a joint ONR project lead by Prof. Christian Franck at U-Wisconsin, Brown University, Sandia National Laboratory and Team Wendy, focusing on dynamic deformation and failure of helmet foam liners for improved head gear and testing methods that address and prevent mild traumatic brain injury (mTBI) and blast related TBI.  

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ANDREW MATEJUNAS

PHD CANDIDATE

PhD Focus: Dynamic Inverse Identification of Brittle Polymers & Polymer Composites leveraging the Virtual Fields Method 

MS THESIS @ NMT, Advisor: Prof. Jamie Kimberley: Dynamic Tensile Failure of Rolled Magnesium

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ISABELLA MENDOZA

PHD CANDIDATE

 

Current Research Focus:  Dynamic Fracture of Ferroelectric Ceramics

PhD Focus: Repetitive Impact Loading to Simulate Launch and Recovery Cycles for Composite Impulsive Fatigue Performance and Damage Tolerancing 

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EMILY PITTMAN

PHD CANDIDATE / NDSEG FELLOW

PhD Focus: Thermomechanical Behavior of Ti and Ti-Alloys Across Strain-Rates

Other Active Research: Dynamic Fracture of Aerospace Epoxies and Polymer Matrix Composites

BS in Mechanical Engineering from University of New Mexico 

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MEGAN SHEPHERD

PHD STUDENT

PhD Focus:  Dynamic Fracture and Failure Behavior of Additively Manufactured Polymers and Advanced Polymer Systems

BS in Mechanical Engineering from Mississippi State University

XINGYUAN "ZAZZY" ZHAO

PHD CANDIDATE

PhD Focus: Understanding Deformation Mechanisms in Highly Oriented MAX Phases across Strain Rates

MS THESIS: Phase Content Influence on the Mechanical Behavior of Group V Transition Heavy Metal Carbides

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Thesis:  The Role of Layer Orientation on the Dynamic Fracture Behavior of Two Additively Manufactured Thermosets

B.S. in Biological Systems Engineering from the University of Wisconsin - Madison.

 TOBI & MO

UNOFFICIAL FELINE MASCOTS

Alumni

DANIEL PARDO

Drexel BS MEM

expected 2020 

HESS Undergrad Reserach Scholar

COOP Student

Project: Carbon Fiber Compression  Damage Behavior across Strain Rates

ALEX WILL-COLE

Drexel MS MSE 2019

Volunteer on IMPACT Program:

Dance-Mechanics Intersections

Presently pursuing a PhD in MSE at Northeastern University

 HTET NAING AUNG

Drexel BS/MS MEM 

HESS Undergraduate Research Scholar

Project:  Fracture Toughness  of Advanced Thermosets for Composites

Presently MS GAANN Fellow @ Drexel

DHWANIT VISPUTE

currently Drexel MS MEM

Independent Study 

Project:  Polyurethane Foam Characterization- Identifying the Role of Inertia & Fluid-Solid Interactions Under Compression

STEVEN PAGANO

Drexel PhD 2019

 

Dissertation: Dynamic Fracture & Fragmentation Investigations of Brittle Polymers and Composite

Teaching Faculty in Drexel's COE

MADISON KIEROD 

Independent Study &

Research Associate

Project:  The Next Phase of Multi-Piece Fracture Reduction for Hard Maple

BS Drexel MEM

2018

 

Currently an engineer at Boeing  

DANIEL DUNCHACK

2018 REU Student

Project: Relaxation Times in Protective Foams for Defense Helmets

BS  Engin. Science

St.  Vincent College

2018

 

Currently in industry  

JACQUELINE TAWNEY

Drexel BS MEM 2018

HESS Undergraduate Research Scholar

Project: Water & Rate Effects on Basalt Compression & Fragmentation

Presently pursuing a MS/PhD

in Aerospace at Caltech

PETER JEWELL

BS/MS Drexel 2019

Project:  Fracture Behavior of Ceramics & Polymers

Currently Structural Engineer

at Voith HYDRO

ARIANA PARDISO

Drexel BS/MS MEM​

2018 

Thesis:  Failure Behavior of Woven Fiberglass Composites under Combined Environmental and Mechanical Compressive Loading

Currently an 

Application Engineer at SKF USA Inc.

 

NICK SAVINO

Drexel BS MEM 2019

Undergraduate Researcher

Project:  MAX Phase Fragmentation & Copper

High Rate Deformation Behavior

XAVIER CADIOT

Visiting MS Scholar​

École Normale Supérieure

Paris-Saclay

Project:  Identification of Constitutive Parameters with the Virtual Fields Method Applied to Woven Composites

PhD Student ISAE-Supaero (France)

LOGAN SHANNAHAN

Drexel PhD 2016

Dissertation: A Hybrid Experimental-Computational Approach to the Analysis of Dynamic Fracture

 

Research Scientist at the Army Research Laboratory, Aberdeen Proving Grounds

ELENI  REYNOLDS

NSF REU 2016

Project: Water Uptake on Compressive Behavior of Gabbro

BS degree in Earth and Environmental  

Engineering from

Columbia University

GUILLERMO  RETUERTA

Drexel MS 2016

Project:  Impact Fatigue of

WC HardMetals

Now completing a dual MS degree at Politecnico Milano, Italy 

JULIE LOSSIGNOL

Visiting MS from University of Grenoble, France

Project:  Hypervelocity Impact of Ceramics

(joint with Prof P. Forquin)

Successfully defended MS thesis Now in EU industry

JACOB MANERA

STAR Program 2017

 ​

Project:  Ferroelectric fracture

BS Drexel MEM

expected 2021 

RICHARD TREDINNICK

Independent Study Research 2016​

Project:  MAX Phase Ti3SiC2 Damage

Graduated Drexel BS-MS MEM '17

now in industry

LUKE HANNER

STAR Program 2016

 ​

Project:  MAX Phase Ti3SiC2 Dynamic Damage

(joint w/ Prof. M. Barsoum) 

BS Drexel MSE

expected 2020

BRIAN HOSLER

XSTRM Electrical Eng. Consultant​

Project:  Impact Fatigue Device  

& Lab Triggering/Software Systems

BS/MS Drexel 2019

currently a PhD Student at Drexel

ANNABEL YOUNG

Summer Intern from Brooklyn Tech High 2016

Project:  Fragmentation of Basalt

Currently pursuing undergraduate degree at Cornell University

CONNOR WILLIAMS

NSF REU 2016

Project:  Dynamic Compression  of Basalt

Continuing to pursue BS in Physics from Villanova University

HANG YU

Independent Study Research 2012-2013

Project:  Composite Micromechanical Model​

Graduated PhD '17

under Prof. C. Weinberger 

CASEY CONRAD

Summer Researcher 2013​

Project:  Seawater effects on Garolite under Compression

BS-MS Drexel MEM '14

Now in industry

Former HESS & COOP Undergraduate Research Scholars 

Rochitha Nathan  |   BS Mechanical Engineering Drexel '19|   Impact Dance-Mechanics Intersections COOP |   2018
Jacqueline Tawney  |   BS Mechanical Engineering Drexel '18  |   Biaxial loading device  |   2016
David DiMarco   |   BS Mechanical Engineering Drexel '17  |   MAX phase compression   |       fall 2015
Laura Melizyaev  |  BS Materials Science & Engineering Drexel '16   |  Rochelle salt impact  |    spring 2014 
Robert Keane |  BS Mechanical Engineering Drexel '16   | Kolsky confinement sleeve   |    winter 2014
Robert Liberatore |  BS Mechanical Engineering  Drexel '16   | Kolsky pulse shaping   |     winter 2014
Michael Daily |  BS Mechanical Engineering  Drexel '15   | dynamic piezoelectric ceramics   |    winter 2014
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