Harnessing the power of chemically active sheets in solution
In living organisms, diffusing chemicals react with soft tissue to actuate a range of
mechanical actions, such as periodic pulsations or net motion. Inspired by this biological …
mechanical actions, such as periodic pulsations or net motion. Inspired by this biological …
Control of protein-based pattern formation via guiding cues
Proteins control many vital functions in living cells, such as cell growth and cell division.
Reliable coordination of these functions requires the spatial and temporal organization of …
Reliable coordination of these functions requires the spatial and temporal organization of …
Three-dimensional chiral morphodynamics of chemomechanical active shells
Morphogenesis of active shells such as cells is a fundamental chemomechanical process
that often exhibits three-dimensional (3D) large deformations and chemical pattern …
that often exhibits three-dimensional (3D) large deformations and chemical pattern …
Topology and morphology of self-deforming active shells
We present a generic framework for modeling three-dimensional deformable shells of active
matter that captures the orientational dynamics of the active particles and hydrodynamic …
matter that captures the orientational dynamics of the active particles and hydrodynamic …
Vesicle shape transformations driven by confined active filaments
In active matter systems, deformable boundaries provide a mechanism to organize internal
active stresses. To study a minimal model of such a system, we perform particle-based …
active stresses. To study a minimal model of such a system, we perform particle-based …
Chemically controlled pattern formation in self-oscillating elastic shells
Patterns and morphology develop in living systems such as embryos in response to
chemical signals. To understand and exploit the interplay of chemical reactions with …
chemical signals. To understand and exploit the interplay of chemical reactions with …
Odd elasticity and topological waves in active surfaces
Odd elasticity describes active elastic systems whose stress-strain relationship is not
compatible with a potential energy. As the requirement of energy conservation is lifted from …
compatible with a potential energy. As the requirement of energy conservation is lifted from …
A high-order fast direct solver for surface PDEs
D Fortunato - SIAM Journal on Scientific Computing, 2024 - SIAM
We introduce a fast direct solver for variable-coefficient elliptic PDEs on surfaces based on
the hierarchical Poincaré–Steklov method. The method takes as input an unstructured, high …
the hierarchical Poincaré–Steklov method. The method takes as input an unstructured, high …
Self-oscillating membranes: Chemomechanical sheets show autonomous periodic shape transformation
While living organisms have mastered the dynamic control of residual stresses within sheets
to induce shape transformation and locomotion, man-made implementations are …
to induce shape transformation and locomotion, man-made implementations are …
Active flows and deformable surfaces in development
We review progress in active hydrodynamic descriptions of flowing media on curved and
deformable manifolds: the state-of-the-art in continuum descriptions of single-layers of …
deformable manifolds: the state-of-the-art in continuum descriptions of single-layers of …