Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Mechanism of Breathing II: Expiration

Mechanism of Breathing II: Expiration

The Physiology of Expiration: A Seamless Respiratory Process
Expiration, or exhaling, is a complex physiological process that begins as the inspiratory muscles begin to relax. This relaxation triggers a series of events that epitomize the efficiency of the respiratory system.
Mechanism of Expiration:

Mechanism of Breathing I: Inspiration

Mechanism of Breathing I: Inspiration

Introduction to Inspiration: The Respiratory System in Action
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...

Mechanism of Breathing III: The Accessory Muscles

Mechanism of Breathing III: The Accessory Muscles

The Role of Accessory Muscles in the Respiratory System
The respiratory system is a complex network that relies on primary respiratory muscles like the diaphragm, but also involves accessory muscles to enhance lung expansion and airflow during both inhalation and exhalation.
Enhancing Inhalation with Accessory Muscles:
Accessory muscles such as the sternocleidomastoid, scalene, intercostal, and abdominal muscles are crucial when additional respiratory effort is required, such as during deep...

Breathing

Breathing

The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Data-driven soliton manifold approximations for dark and bright waves: Some prototypical 1D case examples.

Chaos (Woodbury, N.Y.)·2026

Same author

Direct observation of long-range many-body coherence in quasi-one-dimensional attractive Bose gases.

Nature communications·2026

Same author

Unveiling solitonic collisions in mechanical metamaterials.

Science advances·2026

Same author

Robust moment identification for nonlinear PDEs via a neural ODE approach.

Chaos (Woodbury, N.Y.)·2025

Same author

Parametric resonance in the non-autonomous sine-Gordon model.

Chaos (Woodbury, N.Y.)·2025

Same author

Kink dynamics in a non-autonomous sine-Gordon model.

Chaos (Woodbury, N.Y.)·2025

Search research articles

Related Experiment Video

Updated: Aug 9, 2025

A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways

A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways

Published on: May 9, 2016

Discrete breathers in a mechanical metamaterial.

Henry Duran¹, Jesús Cuevas-Maraver^2,3, Panayotis G Kevrekidis⁴

¹Department of Mathematics, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.

Physical Review. E

|February 17, 2023

Summary

Researchers found that a discrete mechanical metamaterial can exhibit localized energy solutions called discrete breathers. These solutions are stable and can be tuned within experimentally accessible ranges.

More Related Videos

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

Related Experiment Videos

Last Updated: Aug 9, 2025

A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways

A Microfluidic Model of Biomimetically Breathing Pulmonary Acinar Airways

Published on: May 9, 2016

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing

Published on: June 28, 2024

Area of Science:

Nonlinear dynamics
Mechanical metamaterials
Lattice dynamics

Background:

Discrete models of mechanical metamaterials offer insights into complex behaviors.
Previous experimental realization of a specific chain of rigid units connected by flexible hinges provides a foundation.
Understanding nonlinear phenomena like discrete breathers is crucial for advanced material design.

Purpose of the Study:

To identify parameter regimes supporting discrete breather solutions in a specific mechanical metamaterial model.
To numerically compute and analyze the properties and stability of these discrete breathers.
To explore the potential for experimental realization and further investigation of nonlinear dynamics in such systems.

Main Methods:

Analysis of the linear band structure to identify potential parameter regimes for discrete breathers.
Numerical computation of exact discrete breather solutions.
Investigation of solution properties and stability through bifurcation analysis (period-doubling, symmetry-breaking, saddle-center, Hamiltonian Hopf).
Direct numerical computations to corroborate stability analysis and examine dynamical properties.

Main Results:

Identification of parameter regimes where discrete breathers exist with frequencies in the band gap.
Numerical confirmation of numerous discrete breather solutions across different parameter regimes.
Observation of various bifurcations and stability changes, including period-doubling and symmetry-breaking.
Stability analysis corroborated by direct dynamical computations.

Conclusions:

The studied mechanical metamaterial model can host a rich variety of stable discrete breathers.
Parameter tuning within experimentally accessible ranges can lead to diverse nonlinear dynamical behaviors.
The findings pave the way for experimental exploration of discrete breathers in mechanical metamaterials.
This work highlights the potential of discrete nonlinear dynamical lattices for novel applications.