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

Beams with Symmetric Loadings01:15

Beams with Symmetric Loadings

182
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...
182
Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

879
An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
879
Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

213
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
213
Magnetic Damping01:17

Magnetic Damping

432
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...
432
Prismatic Beams: Problem Solving01:15

Prismatic Beams: Problem Solving

105
In the design of a supported timber beam subjected to a distributed load, both the beam's physical dimensions and the timber's characteristics, such as its grade and species, are critical. These factors determine the allowable stress values, which are crucial for calculating the necessary beam depth to ensure structural integrity and safety.
The design begins with analyzing the beam as a free body to identify moments and force balances, thereby determining support reactions. Next, the...
105
Beams with Unsymmetric Loadings01:17

Beams with Unsymmetric Loadings

112
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...
112

You might also read

Related Articles

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

Sort by
Same author

Long-Pulse Thermography Application for Detection and Localisation of Embedded Optical Fibres into Glass Fibre Composite.

Materials (Basel, Switzerland)·2025
Same author

Embedded Optical Fibre with Fibre Bragg Grating Influence on Additive Manufactured Polymeric Structure Durability.

Materials (Basel, Switzerland)·2022
See all related articles

Related Experiment Video

Updated: Jun 10, 2025

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement
09:43

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Published on: November 7, 2017

9.4K

Optimisation of Active Magnetic Elements in Beam-like Structures-Numerical Modelling Studies.

Katarzyna Majewska1

  • 1Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland.

Materials (Basel, Switzerland)
|October 16, 2024
PubMed
Summary

Integrating advanced materials like magnetic shape memory alloys into structures enhances their dynamic and damping properties. These active materials can improve structural performance and mitigate damage effects in composite beams.

Keywords:
beam-like structureclassical shape memory wire (SM wire)magnetic shape memory actuator (MSM actuator)magnetorheological damper (MR damper)optimisation

More Related Videos

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System
06:45

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System

Published on: July 2, 2020

4.3K
Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

6.1K

Related Experiment Videos

Last Updated: Jun 10, 2025

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement
09:43

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Published on: November 7, 2017

9.4K
In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System
06:45

In Vitro and In Vivo Delivery of Magnetic Nanoparticle Hyperthermia Using a Custom-Built Delivery System

Published on: July 2, 2020

4.3K
Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

6.1K

Area of Science:

  • Materials Science and Engineering
  • Mechanical Engineering
  • Structural Health Monitoring

Background:

  • Advanced materials offer unique properties for structural enhancement.
  • Magnetic shape memory alloys, magnetorheological fluids, and classical shape memory alloys present novel possibilities.
  • Integrating active materials into structural elements can yield superior static, dynamic, and damping characteristics.

Purpose of the Study:

  • To evaluate the effectiveness of active materials in improving the performance of beam-like structures.
  • To investigate the influence of active element type and placement on structural dynamics.
  • To assess the potential of active materials in mitigating structural damage.

Main Methods:

  • Comprehensive numerical analysis using the finite element method.
  • Development of custom computational codes in MATLAB for simulations.
  • Focus on a composite beam model with integrated active elements.

Main Results:

  • Demonstrated enhancement of dynamic properties through active material integration.
  • Identified optimal placement strategies for active elements.
  • Showcased the capability of active materials to counteract the effects of structural damage.

Conclusions:

  • Active materials significantly improve the performance and resilience of beam structures.
  • Strategic integration of magnetic shape memory alloys, magnetorheological fluids, and shape memory alloys offers advanced structural solutions.
  • Numerical simulations provide a robust framework for designing and optimizing structures with active materials.