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

Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

175
When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
175
Deformations in a Symmetric Member in Bending01:18

Deformations in a Symmetric Member in Bending

163
When analyzing the deformation of a symmetric prismatic member subjected to bending by equal and opposite couples, it becomes clear that as the member bends, the originally straight lines on its wider faces curve into circular arcs, with a constant radius centered at a point known as Point C. This phenomenon helps to understand the stress and strain distribution within the member more clearly.
When the member is segmented into tiny cubic elements, it is observed that the primary stress...
163
Members Made of Elastoplastic Material01:19

Members Made of Elastoplastic Material

94
The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
As the bending moment...
94
Bending of Curved Members - Neutral Surface01:16

Bending of Curved Members - Neutral Surface

172
In curved beams, unlike straight beams, the stress distribution across the cross-section is not uniform due to the beam's curvature. This non-uniformity arises because the neutral axis, where stress is zero, does not align with the centroid of the section. In a curved beam, the strain varies along the section as a function of the distance from the neutral axis.
Consider the curved member described in the previous lesson. According to Hooke's law, which relates stress to strain within...
172
Symmetric Member in Bending01:07

Symmetric Member in Bending

166
In the study of the mechanics of materials, analyzing the behavior of prismatic members under opposing couples is crucial for understanding internal stress distributions, which are essential for structural design. When subjected to couples, a prismatic member experiences internal forces that maintain equilibrium. A couple, characterized by two equal and opposite forces, creates a moment but no resultant force. The internal forces at any section cut of the member must balance these external...
166
Bending of Curved Members - Strain Analysis01:14

Bending of Curved Members - Strain Analysis

128
The mechanics of deformation in curved members, such as beams or arches, under bending moments, involve complex responses. When such a member, symmetric about the y-axis and shaped like a segment of a circle centered at point C, is subjected to equal and opposite forces, its curvature and surface lengths change significantly. This alteration results in the shift of the curvature's center from C to C', indicating a tighter curve.
The important part of bending analysis for such a member...
128

You might also read

Related Articles

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

Sort by
Same author

Coupling of colloidal rods to the dynamic order of active nematic films.

Soft matter·2026
Same author

Shape, confinement and inertia effects on the dynamics of a driven spheroid in a viscous fluid.

Soft matter·2026
Same author

Tuning evaporation driven deposition in sessile drops <i>via</i> electrostatic hetero-aggregation.

Soft matter·2025
Same author

Topology controls flow patterns in active double emulsions.

Nature communications·2025
Same author

Majorana quasiparticles and topological phases in 3D active nematics.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Dynamics of polymers in coarse-grained nematic solvents.

Soft matter·2024
Same journal

Nanopore sequencing with proteins: synchronization and dischronization of molecular dynamics simulations with laboratory and industrial developments.

Soft matter·2026
Same journal

Catanionics from biosurfactants and regular surfactants: miscibility and structure.

Soft matter·2026
Same journal

Adhesives with a thickness smaller than the fractocohesive length enhance adhesion.

Soft matter·2026
Same journal

Non-equilibrium phase transitions in hybrid Voronoi models of cell colonies.

Soft matter·2026
Same journal

Effects of methoxy substituents on self-assembly and gelation performance of benzamide-based organogelators.

Soft matter·2026
Same journal

Rheology of <i>Escherichia coli</i> suspensions with various bacterial morphologies and motion characteristics.

Soft matter·2026
See all related articles

Related Experiment Video

Updated: Jun 11, 2025

Forming, Confining, and Observing Microtubule-Based Active Nematics
08:37

Forming, Confining, and Observing Microtubule-Based Active Nematics

Published on: January 13, 2023

2.6K

Active nematics in corrugated channels.

Jaideep P Vaidya1, Tyler N Shendruk2, Sumesh P Thampi1

  • 1Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai 600036, India. sumesh@iitm.ac.in.

Soft Matter
|October 8, 2024
PubMed
Summary
This summary is machine-generated.

Complex channel shapes significantly alter active nematic fluid flow. Corrugations induce boundary flows, changing flow transitions and states compared to flat channels.

More Related Videos

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

1.6K
Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

17.0K

Related Experiment Videos

Last Updated: Jun 11, 2025

Forming, Confining, and Observing Microtubule-Based Active Nematics
08:37

Forming, Confining, and Observing Microtubule-Based Active Nematics

Published on: January 13, 2023

2.6K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

1.6K
Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

17.0K

Area of Science:

  • Soft Matter Physics
  • Fluid Dynamics
  • Non-equilibrium Systems

Background:

  • Active nematic fluids display complex dynamics in bulk and simple confinements.
  • Complex geometries can substantially impact active spontaneous flows.

Purpose of the Study:

  • Investigate the dynamic behavior of active nematic fluids in corrugated channels.
  • Understand how confinement geometry influences active fluid flow transitions and states.

Main Methods:

  • Utilized multiparticle collision dynamics (MPCD) simulations.
  • Adapted MPCD for active nematic particles.
  • Simulated active nematic fluid in a corrugated channel geometry.

Main Results:

  • Observed transitions from quiescent to spontaneous flow states.
  • Identified curved-wall induced active flows driving transitions from swirling to coherent flow.
  • Demonstrated that corrugated channels alter flow transitions compared to flat channels.
  • Showcased boundary-induced active flows in corrugations acting as effective slip velocity.

Conclusions:

  • Corrugations critically dictate flow transition and flow states in active fluids.
  • Active fluid flow in corrugated channels is influenced by modified transition timing and boundary slip effects.
  • Confining geometry plays a crucial role in active fluid dynamics.