Wrinkling of thin films under tension is omnipresent in nature and modern industry, a
phenomenon which has aroused considerable attention during the past two decades …

Many intriguing patterns are driven by fluid instabilities, even down to micrometer and
nanometer scales, with numerous technological and industrial applications. Here, we …

Pneumatic structures and actuators are found in a variety of natural and engineered systems
such as dielectric actuators, soft robots, plants and fungi cells, or even the vocal sac of frogs …

We present experiments to study the relaxation of a nanoscale cylindrical perturbation at
one of the two interfaces of a thin viscous freestanding polymeric film. Driven by capillarity …

The duality between deformations of elastic bodies and noninertial flows in viscous liquids
has been a guiding principle in decades of research. However, this duality is broken when a …

Eukaryotic cells undergo dramatic morphological changes during cell division, phagocytosis
and motility. Fundamental limits of cellular morphodynamics such as how fast or how much …

In this thesis we derive mathematical models for the glass sheet redraw process for the
production of very thin glass sheets. In the redraw process, a prefabricated glass block is fed …

This work presents a novel numerical investigation of the dynamics of free-boundary flows of
viscoelastic liquid membranes. The governing equation describes the balance of linear …

We derive a mathematical model for the drawing of a two-dimensional thin sheet of viscous
fluid in the direction of gravity. If the gravitational field is sufficiently strong, then a portion of …

As indicated by the title, we will discuss Rgua (1) and thin films (2, 3). For “Ruga”, I directly
borrowed the opening introduction from previous Journal club “The Ruga mechanics” …