Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Mechanical Systems01:22

Mechanical Systems

696
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
696
Torque Free Motion01:15

Torque Free Motion

873
The torque-free motion refers to the movement of a rigid body in space when no external torques are acting upon it. This type of motion can be observed in environments where there are no external forces or frictions, like in outer space. For example, a rotation of Mars in space is a torque-free motion. Mars is an axisymmetric object, meaning it has an axis of symmetry along which it rotates, designated as the z-axis. The rotating frame of reference is defined such that the center of mass of...
873
Plastic Deformation in Circular Shafts01:20

Plastic Deformation in Circular Shafts

496
When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
496
Kinetic Friction01:26

Kinetic Friction

1.5K
Consider a truck trying to pull a stationary car. As the truck exerts a force on the car, static friction is created at the point of contact between the two surfaces. This frictional force resists the car's movement and keeps it at rest. However, when the applied force by the truck surpasses the limiting static frictional force, an interesting phenomenon occurs. The frictional force at the interface reduces to a lower value, known as the kinetic frictional force. At this point, the car...
1.5K
Design Example: Forces in Sluice Gate01:11

Design Example: Forces in Sluice Gate

3.2K
In hydraulic engineering, sluice gates are essential for managing water flow through channels, reservoirs, and irrigation systems. Sluice gates, acting as vertical barriers, regulate water by adjusting the gate's opening height, which changes the velocity and pressure of water flowing beneath the gate. Understanding the forces involved is crucial to designing sluice gates that can withstand dynamic pressure differences, especially when the gate is closed or partially open.
Key variables in...
3.2K
PD Controller: Design01:26

PD Controller: Design

682
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
682

You might also read

Related Articles

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

Sort by
Same author

Cracking Down on Fracture to Functionalize Damage.

Physical review letters·2025
Same author

Frictional Contact of Soft Polymeric Shells.

Physical review letters·2024
Same author

Zeptonewton and attotesla per centimeter metrology with coupled oscillators.

Chaos (Woodbury, N.Y.)·2024
Same author

Flexible nanomechanical bit based on few-layer graphene.

Physical chemistry chemical physics : PCCP·2023
Same author

Geometric control of tilt transition dynamics in single-clamped thermalized elastic sheets.

Physical review. E·2023
Same author

Wrinkling and developable cones in centrally confined sheets.

Physical review. E·2023

Related Experiment Video

Updated: Feb 21, 2026

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
08:47

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Published on: November 8, 2019

8.2K

Kirigami actuators.

Marcelo A Dias1, Michael P McCarron, Daniel Rayneau-Kirkhope

  • 1Department of Engineering, Aarhus University, Inge Lehmanns Gade 10, 8000 Aarhus C, Denmark. madias@eng.au.dk.

Soft Matter
|October 4, 2017
PubMed
Summary
This summary is machine-generated.

Scientists engineered kirigami actuators from thin sheets, demonstrating precise control over movement like rolling and lifting. This breakthrough applies to 2D materials, paving the way for nanoscale mechanical devices.

More Related Videos

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers
07:09

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Published on: August 17, 2018

9.6K
Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.7K

Related Experiment Videos

Last Updated: Feb 21, 2026

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
08:47

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Published on: November 8, 2019

8.2K
Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers
07:09

Fabrication of Soft Pneumatic Network Actuators with Oblique Chambers

Published on: August 17, 2018

9.6K
Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.7K

Area of Science:

  • Materials Science
  • Mechanical Engineering
  • Nanotechnology

Background:

  • Thin elastic sheets with patterned cuts exhibit complex deformation capabilities.
  • Understanding crack mechanics in sheets is key to designing sophisticated deformations.

Purpose of the Study:

  • To design mechanical actuators using kirigami principles in thin sheets.
  • To enable precise linear actuation (roll, pitch, yaw, lift) in materials down to the 2D limit.

Main Methods:

  • Developed an analytical model based on non-propagating crack mechanics.
  • Conducted experiments on centimeter-scale sheets.
  • Performed molecular dynamics simulations on nanoscale graphene and MoS2 sheets.

Main Results:

  • Demonstrated four fundamental forms of linear actuation by tuning cut patterns.
  • Actuation is weakly dependent on sheet thickness.
  • Showcased how crack interactions control lift and rotation.

Conclusions:

  • Kirigami design principles enable the creation of tunable mechanical actuators.
  • The findings are applicable from macroscopic sheets to atomically-thin 2D materials.
  • Mechanistic insights into geometric and topological design are provided for kirigami actuators.