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

Applications of Stress01:04

Applications of Stress

Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
Stress: General Loading Conditions01:15

Stress: General Loading Conditions

To grasp the intricacy of real-world conditions where multiple loads are applied simultaneously to a structure, one might visualize a section passing through a specific point within a body, aligned parallel to the xy plane. This section is subjected to various forces, including original loads, normal forces, and shearing forces.
The shearing force, possessing potential directionality within the plane of the section, is simplified into two component forces running parallel to the x and y axes.
Transformation of Plane Stress01:18

Transformation of Plane Stress

Studying stress transformation is essential in understanding how stress components within a material, like a cube under plane stress, change with rotation. This change is analyzed by considering a prismatic element within the cube. As the element rotates, the stress components acting on it—both normal and shearing stresses—change in magnitude and orientation. This change is quantified using trigonometric functions of the rotation angle, relating the forces acting on the rotated element's faces...
Stresses under Combined Loadings01:23

Stresses under Combined Loadings

When analyzing a bent tube with a circular cross-section subjected to multiple forces, it is crucial to determine the stress distribution in order to maintain structural integrity under varied load conditions.
The process begins by slicing the tube at critical points and analyzing the internal forces and stress components at these sections, focusing on the centroid. Normal stresses, generated by axial forces and bending moments, are either compressive or tensile and vary across the section from...
Navier–Stokes Equations01:28

Navier–Stokes Equations

For incompressible Newtonian fluids, where density remains constant, stresses show a linear relationship with the deformation rate, defined by normal and shear stresses. Normal stresses depend on the pressure exerted on the fluid and the rate of deformation in specific directions, which determines how fluid flows under varying pressures. Shear stresses, on the other hand, act tangentially across fluid layers. They explain how adjacent fluid layers slide relative to one another, connecting...
Typical Model Studies01:30

Typical Model Studies

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.

You might also read

Related Articles

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

Sort by
Same author

A structured approach to promote equity in spatial accessibility to TB services during private sector engagement.

IJTLD open·2026
Same author

High-sensitivity optical thermometry in Tb<sup>3+</sup>/Eu<sup>3+</sup> co-doped Li<sub>2</sub>Y<sub>4</sub>(MoO<sub>4</sub>)<sub>7</sub> phosphors synthesized <i>via</i> solid-state reaction.

RSC advances·2026
Same author

Effectiveness and safety of a shortened oral regimen for rifampicin- or multidrug-resistant TB.

IJTLD open·2026
Same author

How many (distinguishable) classes can we identify in single-particle analysis?

Acta crystallographica. Section D, Structural biology·2025
Same author

A Fast Immunosensor Based on Biohybrid Self-Assembled Nanostructures for the Detection of KYNA as a Cerebrospinal Fluid Biomarker for Alzehimer's Disease.

ACS measurement science au·2025
Same author

Impact of Pharmacogenetics on Pharmacokinetics of First-Line Antituberculosis Drugs in the HIRIF Trial.

The Journal of infectious diseases·2025

Related Experiment Video

Updated: Jul 10, 2026

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress
09:20

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress

Published on: October 31, 2016

Hydrodynamic modelling of stress.

J Viret1, L Grimaud, J Jimenez

  • 1CRSSA, La Tronche, France.

Acta Biotheoretica
|June 16, 2000
PubMed
Summary

Biological stress responses in rats exposed to neurotoxins exhibit a vortex-like profile. This suggests stress shares properties with hydrodynamic vorticity, offering new insights into physiological adaptation.

Area of Science:

  • Physiology
  • Toxicology
  • Biophysics

Background:

  • Biological stress is a complex physiological response.
  • Previous studies suggest stress can be conceptualized within a defined 'vital space'.
  • Understanding stress mechanisms is crucial for physiology and toxicology.

Purpose of the Study:

  • To qualitatively study the physiological adaptive response to stress.
  • To explore the analogy between biological stress and hydrodynamic vorticity.
  • To establish a phenomenological description of stress response.

Main Methods:

  • Utilized experimental data from a previous rat neurotoxin poisoning study.
  • Controlled the intensity of toxic doses.
  • Measured animal survival rate and cerebral acetylcholinesterase activity kinetics.

More Related Videos

Studying Surfactant Effects on Hydrate Crystallization at Oil-Water Interfaces Using a Low-Cost Integrated Modular Peltier Device
06:31

Studying Surfactant Effects on Hydrate Crystallization at Oil-Water Interfaces Using a Low-Cost Integrated Modular Peltier Device

Published on: March 18, 2020

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
13:07

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

Published on: January 15, 2022

Related Experiment Videos

Last Updated: Jul 10, 2026

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress
09:20

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress

Published on: October 31, 2016

Studying Surfactant Effects on Hydrate Crystallization at Oil-Water Interfaces Using a Low-Cost Integrated Modular Peltier Device
06:31

Studying Surfactant Effects on Hydrate Crystallization at Oil-Water Interfaces Using a Low-Cost Integrated Modular Peltier Device

Published on: March 18, 2020

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
13:07

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

Published on: January 15, 2022

Main Results:

  • Stress response patterns, when plotted against inverted doses, showed a characteristic vortex-like curve.
  • Biological stress exhibits vectorial properties analogous to hydrodynamic vorticity.
  • Dissipation of stress and vorticity appear to follow similar laws.

Conclusions:

  • Biological stress can be phenomenologically described using principles of hydrodynamic vorticity.
  • Stress dissipation mechanisms may mirror those in fluid dynamics.
  • The study provides a novel framework for understanding physiological stress responses.