Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Complex Power

Complex Power

Power engineers have introduced the concept of complex power to determine the cumulative effect of parallel loads. This idea plays a crucial role in power analysis because it encompasses all the details related to the power consumed by a specific load.
Complex power is defined as the multiplication of the voltage and the complex conjugate of the current. The magnitude of this power, known as apparent power, is measured in volt-amperes (VA). Notably, the angle of the complex power equates to the...

Energy Associated With a Charge Distribution

Energy Associated With a Charge Distribution

The work done to bring a charge through a distance r is given by the potential difference between the initial and the final position. To assemble a collection of point charges, the total work done can be expressed in terms of the product of each pair of charges divided by their separation distance, defined with respect to a suitable origin. Solving this expression gives the energy stored in a point charge distribution.

Network Function of a Circuit

Network Function of a Circuit

Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.

Frequency Response of a Circuit

Frequency Response of a Circuit

Inductive circuits present intriguing challenges in electrical engineering, particularly during the transition from the time domain to the frequency domain. This transformation involves converting inductors into impedances and utilizing phasor representation.
The transfer function is pivotal in characterizing how these circuits react to various frequencies, facilitating a profound understanding of their behavior. An essential parameter is the time constant, signifying the...

Concept of Resonance and its Characteristics

Concept of Resonance and its Characteristics

If a driven oscillator needs to resonate at a specific frequency, then very light damping is required. An example of light damping includes playing piano strings and many other musical instruments. Conversely, to achieve small-amplitude oscillations as in a car's suspension system, heavy damping is required. Heavy damping reduces the amplitude, but the tradeoff is that the system responds at more frequencies. Speed bumps and gravel roads prove that even a car's suspension system is not immune...

¹H NMR Signal Multiplicity: Splitting Patterns

¹H NMR Signal Multiplicity: Splitting Patterns

When protons A and X are coupled, their nuclear spin energy levels are slightly modified. This is because the energy required to excite proton A to a spin state parallel to proton X is slightly different from the energy required for it to become anti-parallel to spin X. Consequently, there are two possible excitation frequencies for A (A1 and A2), depending on the spin state of X, and vice versa. The mutual nature of coupling implies that the difference between frequencies A1 and A2, indicated...

You might also read

Related Articles

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

Sort by

Same author

An Assessment of the Relationship Between Fetal Growth Restriction and Maternal Serum Markers of Systemic Inflammation (NLR, SIRI, SII, and PIV).

Nigerian journal of clinical practice·2025

Same author

Neurocognition and social cognition in youth and young adults at ultra-high-risk for psychosis and bipolar disorder.

Schizophrenia research·2024

Same author

Risk factors for brachial plexus injury and permanent sequelae due to shoulder dystocia.

Nigerian journal of clinical practice·2022

Same author

Results of C1 lateral mass-C2-3 transfacet screwing in os odontoideum.

Neuro-Chirurgie·2020

Same author

Hypothalamic glioma mimicking colloid cyst: A case report and review of the literature.

Neuro-Chirurgie·2019

Same author

Fluctuation-dissipation and energy properties of a finite bath.

Physical review. E·2016

Search research articles

Related Experiment Video

Updated: Jun 21, 2026

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

Energy equipartition and frequency distribution in complex attachments.

N Roveri¹, A Carcaterra, A Akay

¹Department of Mechanics and Aeronautics, University of Rome, La Sapienza, Rome, Italy.

The Journal of the Acoustical Society of America

|July 17, 2009

Summary

Complex resonator attachments can absorb nearly all impulsive energy from a primary oscillator. Optimal frequency distributions in these attachments ensure uniform energy sharing across system modes, enhancing energy dissipation.

More Related Videos

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

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

Published on: April 13, 2016

Related Experiment Videos

Last Updated: Jun 21, 2026

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

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

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

Published on: April 13, 2016

Area of Science:

Mechanical Engineering
Vibrational Dynamics
Applied Physics

Background:

Recent publications highlight unusual energy sharing in undamped oscillators with complex resonator attachments.
These attachments, composed of parallel undamped resonators, demonstrate significant impulsive energy absorption capabilities.

Purpose of the Study:

To establish a link between optimal frequency distributions in resonator attachments and the energy equipartition principle.
To demonstrate that optimal distributions facilitate uniform energy spreading across system degrees of freedom or modes.

Main Methods:

Analysis of undamped simple oscillator systems with complex parallel resonator attachments.
Application of a variational approach to determine optimal frequency distributions by minimizing a system response functional.

Main Results:

The attachment's ability to absorb energy with near irreversibility is strongly correlated with the natural frequency distribution of its resonators.
Optimal frequency distributions were identified that effectively spread injected energy uniformly across system modes.
Theoretical and numerical results support the proposed link between optimal distributions and energy equipartition.

Conclusions:

Optimal frequency distributions in resonator attachments are those that promote energy equipartition.
This principle explains the near-irreversible energy absorption observed in these systems.
The findings provide a theoretical framework for designing advanced energy dissipation systems.