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Can numerical methods compete with analytical solutions of linear constitutive models for large amplitude oscillatory shear flow?
We consider the corotational Maxwell model which is perhaps the simplest constitutive model with a nontrivial oscillatory shear response that can be...
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Nonlinear viscoelastic characteristic investigations of waxy crude oils under stress-controlled large amplitude oscillatory shear (LAOStress)
Gelled waxy crude oils can be considered as an elasto-viscoplastic material, exhibiting the transition from linear to nonlinear viscoelasticity. The...
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The mathematics of oscillatory recovery rheology with applications to experiments, the Cox-Merz rules, and the nonlinear modeling of common amplitude sweep behaviors
Oscillatory shear tests are frequently used to determine viscoelastic properties of complex fluids. Both the amplitude and frequency of the input...
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Frequency response analysis of the Bautista-Manero-Puig model with normal stress: analytical and numerical solution for large amplitudes
We derive explicit analytical expressions for the recurrence relations using the analytical matrix method for frequency response and the...
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Interactive Shear and Extensional Rheology—25 years of IRIS Software
Over the past 25 years, IRIS has become an integral resource in materials laboratories around the world, bringing together stimulating communities of...
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Nonlinear oscillatory shear tests of pressure-sensitive adhesives (PSAs) designed for transdermal therapeutic systems (TTS)
Transdermal therapeutic systems (TTS) based on pressure-sensitive adhesives (PSAs) allow for the application of pharmaceutical substances via...
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Shear and extensional rheology of polyethylenes recycled using a solvent dissolution process
There is high market demand for increasing the viability of current plastic recycling processes. In this work rheology is used to evaluate the...
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Rheology of Shear Thickening Fluid
Performing a complete rheological characterization of shear thickening fluid (STF) is of paramount importance from different perspectives. From the...
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Effects of silica nanoparticles on the rheological properties and morphologies of polyvinyl alcohol/silver nanowire suspensions
We investigated the effects of silica nanoparticles (SiNPs) on the rheological properties and microstructures of polyvinyl alcohol (PVA)/silver...
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Nonlinear material functions under medium amplitude oscillatory shear (MAOS) flow
Dynamic oscillatory shear flow has been widely used to investigate viscoelastic material functions. In particular, small amplitude oscillatory shear...
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Rheological behavior of water-clay suspensions under large amplitude oscillatory shear
Mixtures of solid particles and Newtonian fluids such as water-clay suspensions are prepared for industrial usage and have many engineering...
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Viscoelastoplastic classification of cementitious suspensions: transient and non-linear flow analysis in rotational and oscillatory shear flows
Rheological modeling of special concretes such as ultra-high performance concretes (UHPCs), self-compacting concretes (SCCs), or environmentally...
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Viscosity scaling and entangled solution rheology in aqueous and salt solutions of polyelectrolytes containing diallyl dimethylammonium groups
Identifying the different concentration regimes in polyelectrolytes is helpful for tuning the viscosity in personal care products, as well as in...
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Medium amplitude parallel superposition (MAPS) rheology of a wormlike micellar solution
The weakly nonlinear rheology of a surfactant solution of wormlike micelles is investigated from both a modeling and experimental perspective using...
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Comparison of shear viscosity and normal stress measurements by rotational and on-line slit rheometers with tube model predictions
In-extruder measurements of shear viscosity and normal stresses are important as these measurement techniques allow determining the rheological state...
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Influence of plasticized UHMWPE on melt processability and supercritical CO2-assisted microcellular foaming of HDPE/UHMWPE blends
The extent to which plasticization of ultrahigh molecular weight (UHMWPE) can modify the micro- as well as macro-structural properties of HDPE/UHMWPE...
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Entangled linear polymers in fast shear: evaluation of differential tube-based modeling including flow-induced disentanglement and chain tumbling
Flow-induced disentanglement (FID or CCR-D) and chain tumbling are two molecular mechanisms typically observed in non-equilibrium molecular dynamics...
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Characterization of polyethylene/silica nanocomposites using different rheological analyses
Polyethylene (PE)/silica polymer nanocomposites (PNCs) were investigated mainly using rheological measurements. Various PEs [linear low-density...
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Anticipating gelation and vitrification with medium amplitude parallel superposition (MAPS) rheology and artificial neural networks
Anticipating qualitative changes in the rheological response of complex fluids (e.g., a gelation or vitrification transition) is an important...
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Data-driven constitutive model of complex fluids using recurrent neural networks
This study introduces the Constitutive Neural Network (ConNN) model, a machine learning algorithm that accurately predicts the temporal response of...
