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

Laminar Flow01:27

Laminar Flow

2.4K
Laminar flow represents a smooth, orderly fluid motion where particles move along parallel paths, resulting in minimal mixing between layers. Streamlined particle paths characterize this flow regime and occur under conditions where viscous forces dominate over inertial forces. The distinction between laminar, transitional, and turbulent flow is primarily determined by the Reynolds number, a dimensionless quantity calculated as:
2.4K
Underflow Gates01:30

Underflow Gates

450
Underflow gates are vital for controlling water flow in irrigation canals. The three main types of underflow gates — vertical, radial, and drum gates — serve different purposes while ensuring effective flow management. Vertical gates move up and down, generating a free-flowing water jet; radial gates pivot to regulate the flow; and drum gates rotate for precise adjustments. The flow through these gates is influenced by downstream conditions, resulting in free or drowned outflow.Free and...
450
Rapidly Varying Flow01:24

Rapidly Varying Flow

544
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
544
Gradually Varying Flow01:29

Gradually Varying Flow

480
Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...
480
Typical Model Studies01:30

Typical Model Studies

648
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
648
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

801
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
801

You might also read

Related Articles

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

Sort by
Same author

Driving cities to transformative climate change actions: The climate-health risk management project (CHARISMA) in India.

The journal of climate change and health·2026
Same author

Sequential buckling mechanics of the ermine moth's aeroelastic tymbal: an origami-like creased shell analogue.

Journal of the Royal Society, Interface·2026
Same author

A rapid-response soft end effector inspired by the hummingbird beak.

Journal of the Royal Society, Interface·2024
Same author

Dataset for computational and experimental buckling analysis of constant-stiffness and variable-stiffness composite cylinders.

Data in brief·2024
Same author

Buckling-induced sound production in the aeroelastic tymbals of <i>Yponomeuta</i>.

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

Probing the stability landscape of cylindrical shells for buckling knockdown factors.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2023
Same journal

Computational modelling distinguishes diverse contributors to aneurysmal progression in the Marfan aorta.

Proceedings. Mathematical, physical, and engineering sciences·2025
Same journal

Inferring the shape of data: a probabilistic framework for analysing experiments in the natural sciences.

Proceedings. Mathematical, physical, and engineering sciences·2023
Same journal

The Elbert range of magnetostrophic convection. I. Linear theory.

Proceedings. Mathematical, physical, and engineering sciences·2022
Same journal

Soft wetting with (a)symmetric Shuttleworth effect.

Proceedings. Mathematical, physical, and engineering sciences·2022
Same journal

The quantum theory of time: a calculus for q-numbers.

Proceedings. Mathematical, physical, and engineering sciences·2022
Same journal

Integrable nonlinear evolution equations in three spatial dimensions.

Proceedings. Mathematical, physical, and engineering sciences·2022
See all related articles

Related Experiment Video

Updated: Feb 23, 2026

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure
07:15

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure

Published on: April 25, 2025

1.2K

Adaptive compliant structures for flow regulation.

Gaetano Arena1, Rainer M J Groh1, Alex Brinkmeyer1

  • 1Bristol Composites Institute (ACCIS), Department of Aerospace Engineering, University of Bristol, Bristol BS8 1TR, UK.

Proceedings. Mathematical, Physical, and Engineering Sciences
|September 8, 2017
PubMed
Summary
This summary is machine-generated.

This study presents adaptive structures using post-buckled panels for flow control. These structures, exemplified by a shape-adaptive air inlet, self-regulate aperture based on aerodynamic loads without traditional mechanisms.

Keywords:
adaptive structuresair inletbucklingmorphingmultistabilitypost-buckling

More Related Videos

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
11:12

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves

Published on: October 17, 2013

14.3K
Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls
10:39

Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls

Published on: April 12, 2018

7.8K

Related Experiment Videos

Last Updated: Feb 23, 2026

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure
07:15

Parameterizing V-notch Weir Equations for Flow Monitoring in a Drainage Control Structure

Published on: April 25, 2025

1.2K
Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
11:12

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves

Published on: October 17, 2013

14.3K
Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls
10:39

Reconfigurable Microfluidic Channel with Pin-discretized Sidewalls

Published on: April 12, 2018

7.8K

Area of Science:

  • Mechanical Engineering
  • Aerospace Engineering
  • Materials Science

Background:

  • Conventional flow control devices often rely on complex linkages and mechanisms.
  • There is a need for passive, self-regulating flow control solutions.
  • Elastic instabilities and nonlinear behavior in materials offer potential for adaptive structures.

Purpose of the Study:

  • To introduce conceptual design principles for novel adaptive structures.
  • To demonstrate these principles through a case study of a shape-adaptive air inlet.
  • To explore the use of post-buckled panel instabilities for flow regulation.

Main Methods:

  • Development of conceptual design principles based on post-buckled panel behavior.
  • Exemplification through a case study: design of a shape-adaptive air inlet.
  • Tailoring stress fields and initial geometry to control snap-through behavior.

Main Results:

  • A novel class of adaptive structures capable of flow regulation and control is proposed.
  • The shape-adaptive air inlet demonstrates self-regulation of aperture based on fluid pressure.
  • The design eliminates the need for external actuation mechanisms like linkages.

Conclusions:

  • Post-buckled panel instabilities provide a viable mechanism for passive flow control.
  • Adaptive structures can autonomously adjust to external stimuli, such as aerodynamic loads.
  • This approach offers a simpler, more robust alternative to conventional flow-regulating devices.