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

Measuring Acceleration Due to Gravity01:12

Measuring Acceleration Due to Gravity

613
Consider a coffee mug hanging on a hook in a pantry. If the mug gets knocked, it oscillates back and forth like a pendulum until the oscillations die out.
A simple pendulum can be described as a point mass and a string. Meanwhile, a physical pendulum is any object whose oscillations are similar to a simple pendulum, but cannot be modeled as a point mass on a string because its mass is distributed over a larger area. The behavior of a physical pendulum can be modeled using the principles of...
613
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

391
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
391
Variation in Acceleration due to Gravity near the Earth's Surface01:20

Variation in Acceleration due to Gravity near the Earth's Surface

2.5K
An object's apparent weight is its weight measured by a spring balance at its location. It is different from its true weight, the force with which the Earth pulls it, because of the Earth's rotation. Mathematically, an object's apparent weight equals its true weight minus the centripetal force that keeps it in a circular motion along with the Earth's surface every 24 hours.
The difference between the true and apparent weights is proportional to the square of the Earth's...
2.5K
Vibrating Concrete01:19

Vibrating Concrete

151
Mechanical vibrators are instrumental in compacting newly poured concrete within formwork and around reinforcements. This process is essential to eliminate trapped air pockets and establish a dense concrete mass. One widely used method is vibrating by internal vibrators, often referred to as a poker vibrator or immersion vibrator. It is rapidly inserted through the full depth of the freshly laid concrete and slightly extends into the layer below it (which remains in a plastic state). Consistent...
151
Relative Motion Analysis using Rotating Axes - Acceleration01:22

Relative Motion Analysis using Rotating Axes - Acceleration

370
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame. The absolute velocity of point B is determined by adding the absolute velocity of point A, the relative velocity of point B in the rotating frame, and the effects caused by the angular velocity within the rotating frame.
Time differentiation is...
370
Discrete Fourier Transform01:15

Discrete Fourier Transform

360
The Discrete Fourier Transform (DFT) is a fundamental tool in signal processing, extending the discrete-time Fourier transform by evaluating discrete signals at uniformly spaced frequency intervals. This transformation converts a finite sequence of time-domain samples into frequency components, each representing complex sinusoids ordered by frequency. The DFT translates these sequences into the frequency domain, effectively indicating the magnitude and phase of each frequency component present...
360

You might also read

Related Articles

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

Sort by
Same author

Cellular Apoptosis Induced by Deoxynivalenol.

Indian journal of microbiology·2022
Same author

Prevalence and Correlates of Cardiovascular Calcification and Its Prognostic Effects Among Patients With Chronic Kidney Disease: Results From the C-STRIDE Study.

Frontiers in public health·2022
Same author

DNA-Protein Cross-Linking Sequencing for Genome-Wide Mapping of Thymidine Glycol.

Journal of the American Chemical Society·2022
Same author

The Trends of Psychological Status of People Entering from High-Risk Areas of COVID-19 Coronavirus During the Quarantine in Dedicated Hotels: A Longitudinal Survey Study from Guangzhou, China.

Risk management and healthcare policy·2021
Same author

Predictors of Seronegative Conversion After Centralized Management of Syphilis Patients in Shenzhen, China.

Frontiers in public health·2021
Same author

Development and utility of a close contact information management system for the COVID-19 pandemic.

BMC public health·2021
Same journal

A tri-axis optomechanical accelerometer with plasmonic MIM waveguide and structural direction-dependent optical signatures.

Scientific reports·2026
Same journal

Holographic leaky-wave antennas with independently controlled multiple counter-rotating vortex beams.

Scientific reports·2026
Same journal

Differential associations of longitudinal hearing and vision trajectories with dementia and mild cognitive impairment in older adults.

Scientific reports·2026
Same journal

Abdominal obesity and leisure-time sedentary behavior in relation to gastroesophageal reflux disease risk: a prospective cohort study from the UK Biobank.

Scientific reports·2026
Same journal

Effect of nitrogen-rich COF incorporation on the structure and separation performance of polyamide nanofiltration membranes.

Scientific reports·2026
Same journal

Withanolide A inhibits hIAPP aggregation: An In silico, biophysical, and drosophila-based In vivo validation.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Aug 13, 2025

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

8.9K

Sediment vibration characteristics based on accelerometer measurements.

Pingyi Wang1, Jun Yuan2,3, Meili Wang1

  • 1College of Hehai, Chongqing Jiaotong University, Chongqing, 400074, China.

Scientific Reports
|January 21, 2023
PubMed
Summary
This summary is machine-generated.

This study reveals that pebble vibration under turbulence is a nonlinear process. Near-bed flow velocity is the primary driver of pebble vibration events before sediment entrainment.

More Related Videos

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.2K
Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
09:35

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor

Published on: June 16, 2021

4.5K

Related Experiment Videos

Last Updated: Aug 13, 2025

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior
10:52

Simulation of Human-induced Vibrations Based on the Characterized In-field Pedestrian Behavior

Published on: April 13, 2016

8.9K
Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

6.2K
Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
09:35

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor

Published on: June 16, 2021

4.5K

Area of Science:

  • Fluid dynamics
  • Sediment transport mechanics
  • Geophysics

Background:

  • Understanding pebble vibration under turbulent flow is crucial for sediment transport studies.
  • Despite advancements, a detailed understanding of pebble vibration phenomena remains a research gap.

Purpose of the Study:

  • To investigate and characterize the vibration process of isolated pebbles on a rough bed under turbulent flow conditions.
  • To establish the relationship between near-bed flow velocities and pebble vibration dynamics.

Main Methods:

  • Experimental measurements using miniature inertial accelerometers to capture pebble vibration.
  • Simultaneous local measurements of near-bed velocities under various flow conditions.
  • Validation of collected sediment vibration data against manual observations.

Main Results:

  • Pebble motion before entrainment is a nonlinear vibration process with in-situ and ex-situ vibration types.
  • Vibration acceleration amplitude follows a normal distribution.
  • Vibration intensity increases approaching the threshold but weakens at the threshold.
  • Sediment vibration frequency (20-25 Hz) is low and correlates with flow pulsation.

Conclusions:

  • Near-bed flow velocity is the most significant factor influencing pebble vibration events.
  • The study provides authentic data on sediment vibration, advancing the understanding of turbulent sediment transport.