Graduate Students

Osswald Group

Sebastian Goris

Chief Engineer

sgoris@wisc.edu

Advisor
Professor Osswald

Education
B.S., Mechanical Engineering and Business Administration, RWTH Aachen University, Germany
M.S., Mechanical Engineering, University of Wisconsin-Madison

Research Interests
Composites, Polymer Processing Simulation, Micro-Structure Analysis

Abrahan Bechara

bechara@wisc.edu

Advisor
Professor Osswald

Education
B.S., Mechanical Engineering, National University of Colombia

Research Interests
Fiber brakage simulation
Glass fiber behavior and polymer flow

Lukas Duddleston

Laboratory Manager

lduddleston@wisc.edu

Advisor
Professor Osswald

Education
M.S., Mechanical Engineering, University of Wisconsin-Madison
B.S., Chemistry, Edgewood College
B.S., Biology, Edgewood College

Research Interests
Thermal & spectrochemical analysis of thermoplastic & thermoset polymers.

Roberto Monroy

monroy@wisc.edu

Advisor
Professor Osswald

Education
B.S., Industrial Chemical Engineering, IPN, Mexico
M.S., Mechanical Engineering, University of Wisconsin, Madison

Research Interests
High Pressure Rheology of Polymer Melts

Sean Petzold

spetzold@wisc.edu

Advisor
Professor Osswald

Education
B.S., Mechanical Engineering, University of Wisconsin-Madison
M.S., Mechanical Engineering, University of Wisconsin-Madison

Research Interests
Selective Laser Sintering (SLS) Tribology

John Puentes

puentesgil@wisc.edu

Advisor
Professor Osswald

Education
B.S., Mechanical Engineering, National University of Colombia
M.S., Mechanical Engineering, University of Wisconsin-Madison

Research Interests
Spring Forward Effect via simulation & experimental studies.

Optimization & development of plastic tube extrusion.

Christian Schäfer

cschaefer3@wisc.edu

Advisor
Professor Osswald

Education
B.Sc., Mechanical Engineering, RWTH Aachen University, Germany
M.Sc., Plastics and Textile Technology, RWTH Aachen University, Germany
M.Sc., Mechanical Engineering, University of Wisconsin-Madison, USA

Research Interests
Polymer Micropelletization, Polymer Sintering, Micro-Granular Recycling

Andres Tapia

tapiapea@wisc.edu

Advisor
Professor Osswald

Education
B.S., Chemical Engineering, National University of Colombia

Research Interests
Fiber Reinforced Thermoplastics Processing & Simulation

José Luis Colón Quintana

colonquintan@wisc.edu

Advisor
Professor Osswald

Education
B.S., Mechanical Engineering, University of Puerto Rico-Mayaguez

Research Interests
Fiber Matrix Separation

Ian Walter

iwalter@wisc.edu

Advisor
Professor Osswald

Education
B.S., Applied Math, Engineering and Physics, University of Wisconsin-Madison

Research Interests
Simulation of Fiber Reinforced Polymers

Robert Sullivan

rsullivan6@wisc.edu

Advisor
Professor Osswald

Education
B.A. & B.S. in Chemistry and Mathametics, The Evergreen State College

Research Interests
Materials modeling and design. Computational approaches to controlling complex system dynamics


Rudolph Group

Tom Mulholland

Chief Engineer

tmulholland@wisc.edu

Advisor
Professor Rudolph

Education
M.S., Mechanical Engineering, University of Wisconsin-Madison

Research Interests
TBD

Jianxing Chen

Webmaster

jchen245@wisc.edu

Advisor
Professor Rudolph

Education
B.S., Mechanical Engineering, University of Wisconsin, Madison

Research Interests
Additive Manufacturing
Simulation and optimization
Composites

Rogelio Herrera

rherrera@wisc.edu

Advisor
Professor Rudolph

Education
B.A., Political Science, University of Wisconsin-Madison
B.S., Mechanical Engineering, University of Wisconsin-Madison

Research Interests
Carbon Composites

Luke Van Hulle

lvanhulle@wisc.edu

Advisor
Professor Rudolph

Education
B.S., Manufacturing Engineering, University of Wisconsin-Stout

Research Interests
Customized tool paths for material extrusion printer
Development of multi-axis 3D printer

Alec Redmann

aredmann2@wisc.edu

Advisor
Professor Rudolph

Education
B.S., Mechanical Engineering, University of North Dakota

Research Interests
Continuous fiber-reinforced composites
Additive Manufacturing

Gerardo Mazzei

mazzeicapote@wisc.edu

Advisor
Professor Rudolph

Education
B.S., Materials Engineering, Simón Bolívar University

Research Interests
FFF Optimization




Visiting Scholars

Hakan Çelik

hcelik2@wisc.edu

Advisor
Professor Osswald

Education
B.S., Mechanical Engineering, RWTH-Aachen University, Germany

Research Interests
Long Fiber-Reinforced Thermoplastics (LFT), Polymer Processing Simulation