Doctoral Students

2017

Dr. Roberto Monroy

Advisor
Advisor:
Professor Tim Osswald

Education
Ph.D., Mechanical Engineering, University of Wisconsin-Madison

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

B.S., Industrial Chemical Engineering, IPN, Mexico

Research Interests
High Pressure Rheology of Polymer Melts

Dr. Sebastian Goris

Advisor
Advisor:
Professor Tim Osswald

Education
Ph.D., Mechanical Engineering, University of Wisconsin-Madison

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

B.S., Mechanical Engineering and Business Administration, RWTH-Aachen University, Germany

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

Dr. John Puentes

Advisor:
Professor Tim Osswald

Education
Ph.D., Mechanical Engineering, University of Wisconsin-Madison

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

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

Research Interests
Spring Forward Effect via simulation & experimental studies.

Optimization & development of plastic tube extrusion.

Dr. Christian Schäfer

Advisor:
Professor Tim Osswald

Education
Ph.D., Mechanical Engineering, University of Wisconsin-Madison

M.Sc., Plastics and Textile Technology, RWTH Aachen University, Germany

M.Sc., Mechanical Engineering, University of Wisconsin-Madison, USA

B.Sc., Mechanical Engineering, RWTH Aachen University, Germany

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

Dr. Chuanchom Aumnate

Advisor
Professor Natalie Rudolph

Education
Ph.D, Mechanical Engineering, University of Wisconsin-Madison
M.S., Mechanical Engineering, University of Wisconsin-Madison
B.S., Material Science and Engineering, Thailand

Research Interests
Energy-efficient recycling of packaging waste

2016

Dr. Camilo Pérez

Advisor
Professor Tim Osswald

Education
Ph.D., Mechanical Engineering, University of Wisconsin-Madison
B.S., Chemical Engineering, National University of Colombia

Research Interests
Fiber Reinforced Thermoplastics Processing & Simulation
Dissertation:
TBD Link

2015

Dr. Jason McNulty

Advisor:
Professor Lih-Sheng Turng

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Maidson
B.S., Manufacturing Engineering, University of Wisconsin-Stout

Dissertation:
Enabling Precise Spatial and Temporal Control of Human Tissue Morphology and Microenvironments within Engineered Cell Culture Systems Link

Dr. Jun Peng

Advisor:
Professor Lih-Sheng Turng

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Maidson

Dissertation:
Nanocellulose as Reinforcement and Nucleating Agents for Solid and Foamed Component and as Dielectric Filler for Triboelectric Generator Link

2014

Dr. William Aquite

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Maidson
M.S., Mechanical Engineering, University of Wisconsin-Madison
B.S., Chemical Engineering, Universidad Nacional de Colombia, Bogotá, Colombia

Dissertation:
A Novel Polymer Extrusion Micropelletization Process Link

Positions Held:
Chief Engineering - 2011 to 2014
SPE Student Chapter President - 2012 to 2014

Dr. Daniel Ramirez

Advisor
Professor Tim Osswald

Education
Ph.D., Mechanical Engineering, University of Wisconsin-Madison
Specialization in Plastics and Rubber Processing, EAFIT University, Medellín, Colombia
B.S., Mechanical Engineering, National University of Colombia at Medellín, Colombia

Dissertation
Study of Fiber Motion in Molding Processes by Means of a Mechanistic Model Link

2013

Dr. Xiaofei Sun

Advisor:
Professor Lih-Sheng Turng

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Maidson

Dissertation:
Novel Injection Molding Foaming Approaches Using Gas-Laden Pellets

2010

Dr. Hashim Al-Zain

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Madison

Dissertation:
Effect of Fountain Flow on Fiber-Matrix Seperation in Fiber Reinforced Injection Molded Parts Link

Dr. Lori Holmes

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Madison
M.S., Chemical Engineering, Vanderbilt University
B.S., Chemical Engineering, Clarkson University

Dissertation:
Modeling 3D Viscoelastic Secondary Flows in Extrusion Link

2009

Dr. Ivan D. Lopez Gomez

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Madison
M.S., Chemical Engineering, Vanderbilt University
B.S., Chemical Engineering, Clarkson University

Dissertation:
Modeling of Polymer Processing using the Radial Function Method (RFM) Link

Dr. Alejandro Londoño Hurtado

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanial Engineering, University of Wisconsin-Madison

Dissertation:
Mechanistic Models for Fiber Flow Link

Dr. Rodrigo Orozco

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Madison

Dissertation:
Viscoelastic stress analysis of polymer composite structures using the Radial Basis Functions Method Link

2008

Dr. Alejandro Roldán-Alzate

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Madison
M.S., Mechanical Engineering, University of Wisconsin-Madison
B.S., Biomedical/Medical Engineering, Universidad CES, Medellín, Colombia

Dissertation:
Simulation of Physiological Flows Link

Dr. Javier C. Cruz

Advisor:
Professor Tim Osswald

Education:
Ph.D., Materials Science, University of Wisconsin-Madiso
B.S., Chemical Engineering, Universidad de Puerto Rico, San Juan, Puerto Rico

Dissertation:
Advanced Cure Monitoring and Analysis for Optimization of Thermoset Resin Processes Link

Dr. Brian E. Ralston

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Madison
M.Eng., Polymer Engineering & Science, University of Wisconsin-Madison
M.S., Entomology, The Ohio State University, Columbus, Ohio
B.S., Entomology, The Ohio State University, Columbus, Ohio

Dissertation:
Soy Protein Plastics: Material Formulation, Processing and Properties Link

2004

Dr. Juan Hernandez-Ortiz

Advisor:
Professor Tim Osswald

Education:
Ph.D., Mechanical Engineering, University of Wisconsin-Madison

Dissertation:
Boundary Integral Equations for Viscous Flows: Non-Newtonian Behavior and Solid Inclusions Link