Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Superposition rheology.

J K Dhont1, N J Wagner

  • 1Forschungszentrum Jülich, IFF, Weiche Materie, D-52425 Jülich, Germany.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|April 20, 2001
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Using machine learning to identify parenting features prospectively related to callous-unemotional traits from infancy to early adolescence.

Psychological medicine·2026
Same author

Change in empathic disequilibrium across childhood and associations with socioemotional difficulties.

European child & adolescent psychiatry·2025
Same author

Structural analysis and gasification reactivity of chars derived from the slow pyrolysis of extruded coal fines and recycled plastic.

Heliyon·2024
Same author

Quantification of U, Th and specific radionuclides in coal from selected coal fired power plants in South Africa.

PloS one·2020
Same author

Dynamic properties of different liquid states in systems with competing interactions studied with lysozyme solutions.

Soft matter·2018
Same author

The role of infants' mother-directed gaze, maternal sensitivity, and emotion recognition in childhood callous unemotional behaviours.

European child & adolescent psychiatry·2017
Same journal

Tension on dsDNA bound to ssDNA-RecA filaments may play an important role in driving efficient and accurate homology recognition and strand exchange.

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Amplitude-phase coupling drives chimera states in globally coupled laser networks [Phys. Rev. E 91, 040901(R) (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Shapes of sedimenting soft elastic capsules in a viscous fluid [Phys. Rev. E 92, 033003 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Erratum: Attenuation of excitation decay rate due to collective effect [Phys. Rev. E 90, 022142 (2014)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Role of connectivity and fluctuations in the nucleation of calcium waves in cardiac cells [Phys. Rev. E 92, 052715 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
Same journal

Publisher's Note: Lattice Boltzmann approach for complex nonequilibrium flows [Phys. Rev. E 92, 043308 (2015)].

Physical review. E, Statistical, nonlinear, and soft matter physics·2016
See all related articles

Understanding microscopic viscoelastic superposition response is key. This study explains differences in orthogonal vs. parallel shear flow using particle-level simulations for critical colloidal systems.

Area of Science:

  • Colloid Science
  • Rheology
  • Soft Matter Physics

Background:

  • Interpreting superposition rheology data is challenging due to limited understanding of microscopic viscoelastic responses.
  • Current phenomenological approaches fail to capture shear-induced microstructural deformation, crucial for viscoelastic behavior under superimposed flow.
  • Experimental evidence suggests distinct viscoelastic responses to orthogonal versus parallel superimposed shear flows.

Purpose of the Study:

  • To develop theoretical predictions for orthogonal and parallel viscoelastic response functions.
  • To explain the differences in response based on microscopic considerations of colloidal systems.
  • To extend predictions to nonlinear shear rate regimes and investigate microstructural effects.

Main Methods:

Related Experiment Videos

  • Theoretical modeling based on microscopic considerations of attractive colloidal particles near their gas-liquid critical point.
  • Analysis of viscoelastic response functions for both orthogonal and parallel superimposed shear flow.
  • Investigation of microstructural distortion and anisotropy under stationary shear flow.

    • Main Results:

    • Theoretical predictions for viscoelastic response functions in orthogonal and parallel superimposed shear flow were derived.
    • The difference in response is attributed to microstructural distortion and anisotropy under shear.
    • Pronounced negative response function values were observed for parallel superposition under nonlinear perturbation, aligning with experimental findings.
    • Kramers-Kronig relations were found to be valid for the critical colloidal systems studied.

    Conclusions:

    • Microstructural distortion under shear flow is the primary factor explaining the difference between orthogonal and parallel superposition responses.
    • The study provides a microscopic basis for understanding complex viscoelastic behaviors in colloidal systems.
    • Potential violation of Kramers-Kronig relations in systems with significant shear-induced microstructure generation is highlighted.