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

Magnetic Damping01:17

Magnetic Damping

392
Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
392
Beams with Symmetric Loadings01:15

Beams with Symmetric Loadings

160
The moment-area method is an analytical tool used in structural engineering to determine the slope and deflection of beams under various loads. Consider a cantilever with a concentrated load and moment at the free end. The first step is constructing a free-body diagram to calculate the reactions at the fixed end. Next, the bending moment diagram is plotted to visualize how the bending moment varies along the beam's length, focusing on points where the bending moment equals zero.
The M/EI...
160
Design of Transmission Shafts - Stress Analysis01:15

Design of Transmission Shafts - Stress Analysis

275
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
275
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

98
Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
The first moment-area theorem determines the slope at any point on the beam. This theorem indicates that the change in slope between two points on a beam...
98
Eccentric Axial Loading in a Plane of Symmetry01:16

Eccentric Axial Loading in a Plane of Symmetry

145
Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
145
Stresses under Combined Loadings01:23

Stresses under Combined Loadings

128
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...
128

You might also read

Related Articles

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

Sort by
Same author

The dysregulated unfolded protein response in diabetic kidney disease: mechanisms and crosstalk with cell death pathways.

Frontiers in pharmacology·2026
Same author

Dynamic-Based Path Planning and Locomotion of Tensegrity Robots Considering Environmental Interaction.

Soft robotics·2026
Same author

Global and regional landscape of biogeographical diversity of Streptococcus mutans: Epidemiological insight from multilocus sequence typing.

International journal of medical microbiology : IJMM·2026
Same author

AMPAR dysregulation in microglia drives vascular pathology in diabetic retinopathy via the P2X7R/NLRP3/IL-1β pathway.

Journal of translational medicine·2026
Same author

Neutral sphingomyelinase 2 knockdown attenuates disease severity and modulates immune responses in enterovirus A71-infected mice.

Microbial pathogenesis·2026
Same author

Bioenzymatic single-cell microencapsulation for enhanced stem Cell therapy.

Bioactive materials·2026

Related Experiment Video

Updated: May 10, 2025

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons
09:54

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons

Published on: July 14, 2021

3.9K

Design, Optimization, and Realization of a Magnetic Multi-Layer Quasi-Zero-Stiffness Isolation Platform Supporting

Shuaijie Yang1, Xiuting Sun1, Jiawei Qian1

  • 1School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China.

Materials (Basel, Switzerland)
|April 24, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a Multi-layer Quasi-Zero-Stiffness (ML-QZS) platform for advanced vibration isolation. It effectively handles variable loads in large-amplitude, low-frequency environments using magnetic negative-stiffness.

Keywords:
Multi-layer Quasi-Zero-Stiffness propertybi-objective Pareto optimizationmagnetic nonlinearityvariable load isolation platform

More Related Videos

Microfabricated Post-Array-Detectors mPADs: an Approach to Isolate Mechanical Forces
61:34

Microfabricated Post-Array-Detectors mPADs: an Approach to Isolate Mechanical Forces

Published on: October 1, 2007

12.4K
Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue
06:20

Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue

Published on: February 16, 2024

904

Related Experiment Videos

Last Updated: May 10, 2025

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons
09:54

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons

Published on: July 14, 2021

3.9K
Microfabricated Post-Array-Detectors mPADs: an Approach to Isolate Mechanical Forces
61:34

Microfabricated Post-Array-Detectors mPADs: an Approach to Isolate Mechanical Forces

Published on: October 1, 2007

12.4K
Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue
06:20

Author Spotlight: Developing a Unique Modular Microphysiological System to Mimic Human Barrier Tissue

Published on: February 16, 2024

904

Area of Science:

  • Mechanical Engineering
  • Materials Science
  • Physics

Background:

  • Vibration isolation is crucial for sensitive equipment operating in dynamic environments.
  • Traditional isolation systems struggle with variable loads and large-amplitude, low-frequency vibrations.
  • Achieving both effective isolation and rapid settling time often presents conflicting design challenges.

Purpose of the Study:

  • To develop a Multi-layer Quasi-Zero-Stiffness (ML-QZS) vibration isolation platform.
  • To enable effective isolation for variable loads across a wide range of amplitudes and low frequencies.
  • To optimize dynamic performance, balancing transient response and steady-state isolation.

Main Methods:

  • Design of an ML-QZS platform utilizing multi-layer permanent magnets to create discontinuous negative-stiffness regions.
  • Application of a bi-objective Pareto optimization criterion to balance transient vibration and displacement transmissibility.
  • Experimental validation of the platform's design principles and optimization strategies.

Main Results:

  • Demonstration of a wide Quasi-Zero-Stiffness (QZS) range suitable for diverse load conditions.
  • Successful coordination of vibration transient times and significant isolation effectiveness through optimization.
  • Experimental verification of the multi-layer magnetic ring construction and parameter optimization.

Conclusions:

  • The developed ML-QZS platform offers advanced nonlinear isolation for variable loads in challenging dynamic environments.
  • The proposed optimization method effectively balances competing dynamic performance metrics.
  • Provides significant theoretical and experimental guidance for practical engineering applications in vibration isolation.