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

Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

11.5K
During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
11.5K
Structure of Lipids03:38

Structure of Lipids

99.2K
Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic...
99.2K
Structural Protein Function01:56

Structural Protein Function

30.0K
Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to...
30.0K
Structural Isomerism02:34

Structural Isomerism

21.8K
Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
21.8K
Structures of Solids02:22

Structures of Solids

18.4K
Solids in which the atoms, ions, or molecules are arranged in a definite repeating pattern are known as crystalline solids. Metals and ionic compounds typically form ordered, crystalline solids. A crystalline solid has a precise melting temperature because each atom or molecule of the same type is held in place with the same forces or energy. Amorphous solids or non-crystalline solids (or, sometimes, glasses) which lack an ordered internal structure and are randomly arranged. Substances that...
18.4K
Viral Structure00:56

Viral Structure

74.8K
Viruses are extraordinarily diverse in shape and size, but they all have several structural features in common. All viruses have a core that contains a DNA- or RNA-based genome. The core is surrounded by a protective coat of proteins called the capsid. The capsid is composed of subunits called capsomeres. The capsid and genome-containing core are together known as the nucleocapsid.
74.8K

You might also read

Related Articles

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

Sort by
Same author

Benchmarking Multilayer Perceptron Configurations for Damage Classification in UAV Composite Wings Using Fiber Bragg Gratings Sensors.

Sensors (Basel, Switzerland)·2026
Same author

Energy-Based Multiresolution Analysis of FBG-Measured Strain Responses for Void Detection in Curved Pressure Vessel Structures Under Guided Wave Excitation.

Sensors (Basel, Switzerland)·2026
Same author

Evaluating Structural Details' Influence on Elastic Wave Propagation for Composite Structures via Ray Tracing.

Sensors (Basel, Switzerland)·2023
Same author

Study of the Feasibility of Decoupling Temperature and Strain from a <i>ϕ</i>-PA-OFDR over an SMF Using Neural Networks.

Sensors (Basel, Switzerland)·2023
Same author

Three-Dimensional Digital Image Correlation Based on Speckle Pattern Projection for Non-Invasive Vibrational Analysis.

Sensors (Basel, Switzerland)·2022
Same author

Performance Analysis and Architecture of a Clustering Hybrid Algorithm Called FA+GA-DBSCAN Using Artificial Datasets.

Entropy (Basel, Switzerland)·2022

Related Experiment Video

Updated: Feb 12, 2026

Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring
07:02

Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring

Published on: November 14, 2025

893

Structural Health Monitoring in Composite Structures by Fiber-Optic Sensors.

Alfredo Güemes1, Antonio Fernández-López2, Patricia F Díaz-Maroto3

  • 1Department Aeronautics, Polytechnic University of Madrid, Madrid 28040, Spain. alfredo.guemes@upm.es.

Sensors (Basel, Switzerland)
|April 5, 2018
PubMed
Summary

Fiber-optic sensors alone cannot detect structural damage. This study presents two methods to infer damage from strain data: a local technique for high detectability and a global approach for wider coverage.

Keywords:
distributed sensingprincipal component analysis (PCA)structural health monitoring (SHM)

More Related Videos

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
09:48

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

12.4K
Optimized Sealing Process and Real-Time Monitoring of Glass-to-Metal Seal Structures
04:41

Optimized Sealing Process and Real-Time Monitoring of Glass-to-Metal Seal Structures

Published on: September 2, 2019

7.9K

Related Experiment Videos

Last Updated: Feb 12, 2026

Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring
07:02

Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring

Published on: November 14, 2025

893
Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping
09:48

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

12.4K
Optimized Sealing Process and Real-Time Monitoring of Glass-to-Metal Seal Structures
04:41

Optimized Sealing Process and Real-Time Monitoring of Glass-to-Metal Seal Structures

Published on: September 2, 2019

7.9K

Area of Science:

  • Structural Health Monitoring
  • Materials Science
  • Sensor Technology

Background:

  • Fiber-optic sensors provide strain measurements but cannot directly quantify structural damage.
  • Existing literature offers various strategies to infer damage from strain data.

Purpose of the Study:

  • To present and compare two distinct methodologies for damage detection using fiber-optic strain measurements.
  • To evaluate the strengths and limitations of local versus global damage detection approaches.

Main Methods:

  • A local technique detecting new strains around damage sites, independent of external loads.
  • A global technique analyzing changes in the strain field across the entire structure under similar loads.

Main Results:

  • The local method offers high damage detectability and robustness but requires proximity to the damage.
  • The global method provides wider structural coverage, with detectability influenced by sensor network density, damage size, and load conditions.

Conclusions:

  • Two complementary strategies enable damage assessment from fiber-optic strain data.
  • The choice between local and global methods depends on application-specific requirements for coverage and precision.