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This is a Quantitative Study study.

October 13, 2025Open Access

Rheological Insights from the Oscillation Dynamics of Viscoelastic Sessile Drops

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Authors

PRPeyman RostamiAmirkabir University of Technology ACAlfonso A. Castrejón‐PitaOxfam GAGünter K. AuernhammerLeibniz Institute of Polymer Research

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Implication

This analysis explores drop oscillation dynamics with varying frequencies in viscoelastic materials, suggesting new insights into rheological testing methods.

Key Points

The drop-based method effectively provides oscillatory shear experiments not accessible by conventional rheometers.
When the Deborah number is around 1, viscous dissipation becomes significant in the drop's response, observed through Lissajous curves.
At low Deborah numbers, drops behave like Newtonian fluids; at high numbers, they respond elastically, indicating different rheological behaviors.
Increasing deformation in the drop initiates nonlinear viscoelastic behavior, while harmonic responses emerge due to geometric asymmetry.

Cite This Study

Rostami et al. (2025) studied this question.

synapsesocial.com/papers/68ed1896f29694dd1da78aeb https://doi.org/10.48550/arxiv.2509.12006

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Implication

This analysis explores drop oscillation dynamics with varying frequencies in viscoelastic materials, suggesting new insights into rheological testing methods.

Rheological Insights from the Oscillation Dynamics of Viscoelastic Sessile Drops

Discussion

Member takes

Implication

Key Points

Cite This Study

Rheological Insights from the Oscillation Dynamics of Viscoelastic Sessile Drops

Discussion

Member takes

Implication

Key Points

Cite This Study

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