Related Experiment Video
Updated: Jan 27, 2026
07:08
Film Control to Study Contributions of Waves to Droplet Impact Dynamics on Thin Flowing Liquid Films
Published on: August 18, 2018
7.8K
Instability, Rupture and Fluctuations in Thin Liquid Films: Theory and Computations
Miguel A Durán-Olivencia1, Rishabh S Gvalani2, Serafim Kalliadasis1
11Department of Chemical Engineering, Imperial College London, London, SW7 2AZ UK.
Journal of Statistical Physics
|March 19, 2019
Summary
This study analyzes a stochastic thin-film equation, crucial for understanding dewetting processes. Thermal fluctuations significantly impact thin liquid film rupture, influencing droplet formation and rupture time.
Area of Science:
- Fluid dynamics
- Statistical physics
- Surface science
Background:
- Thin liquid films are vital in nature and technology.
- Deterministic models often neglect crucial thermal fluctuations.
- Dewetting, film rupture, and droplet formation are thermally activated processes.
Purpose of the Study:
- To analytically and numerically study a first-principles derived stochastic thin-film equation.
- To investigate the behavior of the equation in a specific noise correlation limit.
- To explore fluctuating dynamics and free energy near rupture.
Main Methods:
- Derivation and analysis of a stochastic thin-film equation.
- Spectral collocation method for numerical simulation.
- Investigation of noise intensity effects on rupture time.
Main Results:
- The study scrutinizes the equation's behavior in the perfectly correlated noise limit.
- A convenient numerical scheme is presented for simulating the stochastic thin-film equation.
- The effect of noise intensity on rupture time is explored using numerous sample paths.
Conclusions:
- Thermal fluctuations are critical for accurately modeling thin film dewetting.
- The developed numerical scheme facilitates the study of stochastic thin-film dynamics.
- Noise intensity is a key parameter influencing film rupture dynamics.
More Related Videos
Related Concept Videos
02:17Microtubule Instability
6.2K
Microtubules are hollow cylindrical filaments having a diameter of approximately 25 nm and a length that varies from 200 nm to 25 μm. GTP-bound tubulin subunits form αβ-heterodimers for microtubule assembly. These core building blocks interact longitudinally, polymerizing into protofilaments. The protofilaments then interact with one another through lateral bonding forces to form stable cylindrical microtubules. These cylindrical filaments are dynamic as they undergo repeated...
6.2K
02:35Band Theory
17.2K
When two or more atoms come together to form a molecule, their atomic orbitals combine and molecular orbitals of distinct energies result. In a solid, there are a large number of atoms, and therefore a large number of atomic orbitals that may be combined into molecular orbitals. These groups of molecular orbitals are so closely placed together to form continuous regions of energies, known as the bands.
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
17.2K
00:56Attribution Theory
13.8K
Behavior is a product of both the situation (e.g., cultural influences, social roles, and the presence of bystanders) and of the person (e.g., personality characteristics). Subfields of psychology tend to focus on one influence or behavior over others. Situationism is the view that our behavior and actions are determined by our immediate environment and surroundings. In contrast, dispositionism holds that our behavior is determined by internal factors (Heider, 1958).
13.8K
02:59The Atomic Theory of Matter
127.6K
The earliest recorded discussion of the basic structure of matter comes from ancient Greek philosophers. Leucippus and Democritus argued that all matter was composed of small, finite particles that they called atomos, meaning “indivisible.” Later, Aristotle and others came to the conclusion that matter consisted of various combinations of the four “elements” — fire, earth, air, and water — and could be infinitely divided. Interestingly, these philosophers...
127.6K
02:31Scientific Laws and Theories
87.8K
Scientific Laws
87.8K
02:06Social Exchange Theory
40.8K
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
40.8K