Wetting and contact-angle hysteresis: Density asymmetry and van der waals force

F Wang, B Nestler - Physical Review Letters, 2024 - APS
A droplet depositing on a solid substrate leads to the wetting phenomenon, such as dew on
plant leaves. On an ideally smooth substrate, the classic Young's law has been employed to …

[HTML][HTML] Effect of wall free energy formulation on the wetting phenomenon: Conservative Allen–Cahn model

H Zhang, Y Wu, F Wang, B Nestler - The Journal of Chemical Physics, 2023 - pubs.aip.org
Cahn introduced the concept of wall energy to describe the interaction between two
immiscible fluids and a solid wall [JW Cahn, J. Chem. Phys. 66, 3667–3672 (1977)]. This …

Digital twin of a droplet microarray platform: Evaporation behavior for multiple droplets on patterned chips for cell culture

Y Wu, JE Urrutia Gomez, H Zhang, F Wang… - Droplet, 2024 - Wiley Online Library
Precise control of the evaporation of multiple droplets on patterned surfaces is crucial in
many technological applications, such as anti‐icing, coating, and high‐throughput assays …

[HTML][HTML] Multi-component electro-hydro-thermodynamic model with phase-field method. I. Dielectric

H Zhang, F Wang, B Nestler - Journal of Computational Physics, 2024 - Elsevier
We derive a multi-component electro-hydro-thermodynamic (EHTD) model for both leaky
and perfect dielectric materials via the principle of energy dissipation. Differing from previous …

Unveiling the complex morphologies of sessile droplets on heterogeneous surfaces

Y Wu, H Zhang, F Wang, B Nestler - Communications Physics, 2025 - nature.com
Droplets exhibiting a myriad of shapes on surfaces are ubiquitous in both nature and
industrial applications. In high-resolution manufacturing processes, eg, semiconductor …

Wetting Phenomena: Line Tension and Gravitational Effect

F Wang, H Zhang, B Nestler - Physical Review Letters, 2024 - APS
An apparent contact angle is formed when a droplet is deposited on a solid substrate.
Young's law has been employed to describe the equilibrium contact angle. Often in …

Line tension of sessile droplets: Thermodynamic considerations

H Zhang, F Wang, B Nestler - Physical Review E, 2023 - APS
We deduce a thermodynamically consistent diffuse interface model to study the line tension
phenomenon of sessile droplets. By extending the standard Cahn-Hilliard model via …

Efficiently and consistently energy-stable l2-phase-field method for the incompressible ternary fluid problems

J Yang, H Han, S Liu, Z Zuo - Physica D: Nonlinear Phenomena, 2024 - Elsevier
Ternary incompressible fluid flows extensively exist in atmospheric science, chemical
engineering, and energy and power engineering, etc. The phase-field method is popular in …

[HTML][HTML] Electric-field induced phase separation and dielectric breakdown in leaky dielectric mixtures: Thermodynamics and kinetics

H Zhang, F Wang, B Nestler - The Journal of Chemical Physics, 2024 - pubs.aip.org
Dielectric materials form the foundation of many electronic devices. When connected to a
circuit, these materials undergo changes in microscopic morphology, such as the demixing …

Evolution dynamics of thin liquid structures investigated using a phase-field model

Y Wu, F Wang, S Zheng, B Nestler - Soft Matter, 2024 - pubs.rsc.org
Liquid structures of thin-films and torus droplets are omnipresent in daily lives. The
morphological evolution of liquid structures suspending in another immiscible fluid and …