Short course 2: Advances in rheometric methods and rheological data analysis


SHORT COURSES

  Day 1 / Saturday, July 29, 2023
09:00 – 09:30 Class 1: (All Instructors, led by Randy Ewoldt)
Introductions & Big Ideas in Rheometry
• Warm-Up Exercises; Therapy Putty
09:30 – 11:00 Class 2: Gareth McKinley
New Methods for Advanced Shear Characterization with Commercial Rheometers
• Chirps, Gabor Transforms, MAPS and MAOS, Recovery Rheology
• Applications to Thixotropy, Gelation and Mutating Materials…
11:00 – 11:30 Break
11:30 – 12:30 Class 3: Randy Ewoldt
Techniques to Avoid Bad Rheological Data
• Data Analysis, Limit Lines, Higher Harmonics, Errors and more
12:30 – 13:30 Lunch
13:30 – 15:00 Class 4: Sébastien Manneville
Velocimetric Techniques for Local Rheological Measurements
• Motivations, principle, and implementation of Rheo-Velocimetry (PIV, confocal, Doppler, ultrasound, MRI), applications in slip, shear banding, and yielding
15:00 – 15:15 Break
15:15 – 16:45 Class 5: Randy Ewoldt:
Data Detective Workshop & Data Science with Rheology
• Work in small groups to judge data credibility, interpret good data, and assess what system-level physics may be influencing measurement quality
• Data Science discussion on good fits versus credible models with Bayesian Inference, surrogate modeling, data representation, best practices for fitting 
Day 2 / Sunday, July 30, 2023 
09:00 – 10:30 Class 6: Sébastien Manneville
Structural Probes Associated with Rheology
• Overview of Rheo-Microscopy (optical, polarization, confocal) and Rheo-Scattering (light, X-Ray, Neutrons, XPCS), applications to surfactant self-assemblies, colloidal gels, and dense suspensions
10:30 – 10:45 Short Break
10:45 – 12:15 Class 7: Gareth McKinley
New techniques for extensional flow characterization;
• Filament stretching rheometry (FISER), Counter-Rotating Drums
• capillarity-driven thinning (CABER), and dripping on substrates (DOS). Simulations and Experiment;
• Jetting Rheometry
• Microfluidic Extensional Rheometry
12:15 – 12:45 Open Discussion/Wrap Up
12:45 – 13:45 Lunch