The Lake Vyrnwy Meeting 2017

The Institute returned to the Lake Vyrnwy Hotel for its 2017 spring rheology meeting. Eminent rheologists from all over the world gathered in this majestic location for some excellent rheology.

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Each session of the conference had a different focus, and on the first afternoon a session was dedicated to the work of David Binding, on the occasion of his retirement from Aberystwyth University. The session was a mixture of personal anecdotes and serious rheology, much of it inspired by Dave's work on contraction flows.


Tuesday morning's conference sessions started with a chirp which turned into an OWCh, courtesy of Gareth McKinley. Sessions followed on Rheometry, Computational Rheology and Applied Rheology, giving an indication of the breadth, as well as depth, of the meeting. Helen Wilson finished the scientific presentations with an explanation of what is difficult in understanding "Walking on Custard"; this, her presidential address, preceded the BSR AGM, at which Tim Phillips took over as BSR president.

Poster AwardThe post-banquet speech was a Giacomin affair, with a light roasting of several of those present. Jeff looked back to Ruthin, and forward to Herstmonceux castle in 2019, with an inferred but unspoken warning to be extremely careful what you say within his hearing over the next two years.

Wednesday started with a session on biofluids, covering an eclectic mixture of chewing, diabetes and swimming E-coli. In total, there were 55 delegates and 30 talks at the meeting. Karl and the group from Swansea are to be congratulated on organising an excellent meeting.

In addition to the main programme of lectures, there was a poster session. The award for the best poster was presented by Peter Hodder of TA Instruments to Fruzina Lamer of Swansea University.

The full list of papers presented at the meeting follows:-

Session 1. (Polymer Dynamics and Modelling) 

 Jeffrey GIACOMIN

Exact analytical solution for large-amplitude oscillatory shear flow from Oldroyd 8-constant framework: Shear stress

 Ralph COLBY

Linear viscoelasticity of associating ionomers 

Charles SCHROEDER

Single polymer dynamics in semi-dilute unentangled and entangled solutions: from molecular conformation to normal stress

Daniel READ

Models for entangled telechelic stars: Nonlinear rheology and shear banding

Session 2. (a dedication to the work of David Binding

Ralph OLIVER

David Binding; A light-hearted review

Igor EMRI

Viscoelasticity of the new generation vibration insulation

Joao MAIA

Static extensional mixing elements for twin-screw extrusion: How to take hyperbolic contractions and use them in polymer processing

Mike WEBSTER

Multimodal Continuum Modelling - Boger fluids, pressure-drops and contraction flows

 Howard BARNES

David Binding's contribution to Rheology

Session 3. (Rheometry

Gareth McKINLEY 

(Supposedly) Optimal Fourier Transforms for probing oscillatory rheology of networks

Manlio TASSIERI

It is all Maxwell’s fault! Educing the materials’ linear viscoelastic properties without preconceived models.

Jorg LAEUGER

New rheometric tools for complex materials

 MoĢnica OLIVEIRA

Microfluidic flows: from rheometry to elastic instabilities

Session 4. (Computational Rheology I

Jae Chun HYUN

Different stability behavior exhibited by various polyethylenes in film blowing process

Suzanne FIELDING

Edge fracture in complex fluids

Hyun Wook JUNG

Flow characteristics and operability coating windows in slot die coating processes

Session 5. (General and Applied Rheology) 

Don BAIRD

Orientation evolution and stress growth behavior of Long-Glass-Fiber Polypropylene suspensions in homogeneous and inhomogeneous flows

 Manfred WAGNER

Long-chain branched Poly(ethylene terephthalate): Reactive extrusion, rheology and size-exclusion chromatography

Paula MOLDENAERS

Understanding the foamability and mechanical properties of foamed polypropylene blends at constant density by using Extensional Rheology

 Rob POOLE

Turbulent drag reduction of a flexible polymer in parallel shear flows: correlating CaBER measurements and pressure drop

Ian FRIGAARD

Critical yield numbers of rigid particles settling in yield stress fluids

Maria CHARALAMBIDES

A novel essential work of fracture experimental methodology for highly dissipative materials

Session 6. (British Society of Rheology) 

Helen WILSON

BSR Presidential Address: 

Session 7. (Biofluids

 Mats STADING (keynote speaker)

Extensional rheology and swallowing – The Gothenburg Throat

Adam BURBIDGE

The Rheology of type II Diabetes – transport of insulin granules in pancreatic beta cells

 Alexander MOROZOV

Swimming of wavy sheets in viscoelastic fluids

 Ken MEISSNER

Towards optical rheometry for biofluids

Session 8. (Computational Rheology II)

Marco ELLERO

Shear-thinning of non-colloidal suspensions: numerical and experimental results

Jonathan EVANS

Stick-slip singularities for some common viscoelastic fluids

Kensuke YOKOI

Numerical modeling of multiphase flows based on CLSVOF method,

multi-moment methods and density-scaled balanced CSF model