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

Shear and Bending Moment Diagram: Problem Solving01:24

Shear and Bending Moment Diagram: Problem Solving

2.0K
When analyzing a beam supporting concentrated loads and a distributed load, drawing the shear and bending moment diagrams is essential. These diagrams help understand the internal forces and moments acting on the beam, which is crucial for designing safe and efficient structures. Follow these steps to create the shear and bending moment diagrams:
Draw a Free-Body Diagram: Start by drawing a free-body diagram of the entire beam, including the concentrated loads, distributed load, and reaction...
2.0K
Alternative Sets of Equilibrium Equations01:31

Alternative Sets of Equilibrium Equations

475
When analyzing the behavior of structures, engineers often rely on the concept of equilibrium. This refers to the state where all forces and moments acting on a system balance each other, resulting in no net movement or rotation. In many cases, equilibrium can be described by a set of standard equations. However, in some situations, alternative sets of equilibrium equations must be used to describe the system's behavior accurately.
One example of such a situation can be observed in a...
475
Shearing Stresses in a Beam: Problem Solving01:14

Shearing Stresses in a Beam: Problem Solving

320
A cantilever beam with a rectangular cross-section under distributed and point loads experiences shearing stresses. The analysis begins by identifying the loads acting on the beam. Then, the reactions at the beam's fixed end are calculated using equilibrium equations. The vertical reaction is a combination of the distributed and point loads, while the moment reaction is the sum of their moments. The shear force distribution along the beam, resulting from these loads, is established by...
320
Free-body Diagrams: Problem Solving01:30

Free-body Diagrams: Problem Solving

1.1K
Free-body diagrams are essential tools for physicists and engineers studying the motion of objects. Free-body diagrams are graphical representations of the object or system under consideration, and they focus solely on the essential forces acting on the object. This tool helps break down complex problems into simpler models that are easier to understand and solve.
For example, consider a block with a mass of 10 kg released on an inclined plane at an angle of 30° to the horizontal, where...
1.1K
Bending of Members Made of Several Materials01:08

Bending of Members Made of Several Materials

293
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
293
Internal Loadings in Structural Members: Problem Solving01:28

Internal Loadings in Structural Members: Problem Solving

1.4K
When designing or analyzing a structural member, it is important to consider the internal loadings developed within the member. These internal loadings include normal force, shear force, and bending moment. Engineers can ensure that the structural member can support the applied external forces by calculating these internal loadings.
To illustrate this, let's consider a beam OC of 5 kN, inclined at an angle of 53.13° with the horizontal and supported at both ends. Determine the internal...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Explainable Artificial Intelligence to Investigate the Contribution of Design Variables to the Static Characteristics of Bistable Composite Laminates.

Materials (Basel, Switzerland)·2023
Same author

Lightweight Design of Variable-Stiffness Cylinders with Reduced Imperfection Sensitivity Enabled by Continuous Tow Shearing and Machine Learning.

Materials (Basel, Switzerland)·2022
Same author

Bondline Thickness Effects on Damage Tolerance of Adhesive Joints Subjected to Localized Impact Damages: Application to Leading Edge of Wind Turbine Blades.

Materials (Basel, Switzerland)·2021
See all related articles

Related Experiment Video

Updated: Sep 26, 2025

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle
14:57

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle

Published on: January 30, 2019

14.0K

Developing Equations for Free Vibration Parameters of Bistable Composite Plates Using Multi-Objective Genetic

Saeid Saberi1, Alireza Sadat Hosseini2, Fatemeh Yazdanifar3

  • 1Department of Mechanical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.

Polymers
|April 23, 2022
PubMed
Summary

This study introduces a new method combining Finite Element Method (FEM) and Multi-Objective Genetic Programming (MOGP) to efficiently predict natural frequencies of bistable composite laminates. The derived analytical relations offer accurate and computationally inexpensive modal analysis for these structures.

Keywords:
FEMbistablecompositegenetic programmingsensitivityvibration

More Related Videos

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
11:28

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

12.6K
Protein WISDOM: A Workbench for In silico De novo Design of BioMolecules
10:58

Protein WISDOM: A Workbench for In silico De novo Design of BioMolecules

Published on: July 25, 2013

17.2K

Related Experiment Videos

Last Updated: Sep 26, 2025

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle
14:57

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle

Published on: January 30, 2019

14.0K
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
11:28

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

12.6K
Protein WISDOM: A Workbench for In silico De novo Design of BioMolecules
10:58

Protein WISDOM: A Workbench for In silico De novo Design of BioMolecules

Published on: July 25, 2013

17.2K

Area of Science:

  • Composite Materials Science
  • Structural Mechanics
  • Computational Engineering

Background:

  • Bistable composite laminates possess two stable shapes, offering unique structural capabilities.
  • Accurate modal analysis of these structures is computationally intensive with existing methods.
  • Developing efficient analytical tools for natural frequency prediction is crucial.

Purpose of the Study:

  • To propose a novel methodology for analyzing bistable composite structures.
  • To derive analytical relations for predicting modal parameters (natural frequencies).
  • To reduce the computational cost associated with modal analysis.

Main Methods:

  • Integration of the Finite Element Method (FEM) with Multi-Objective Genetic Programming (MOGP).
  • Utilizing FEM-generated data (length-to-width ratio, thickness) for MOGP model training.
  • Developing four predictive formulas for free vibration parameters.

Main Results:

  • Four accurate analytical formulas were derived using MOGP for predicting natural frequencies.
  • The proposed formulas demonstrated excellent performance and reliability when validated against test data.
  • Parametric and sensitivity analyses provided insights into input parameter trends and formula sensitivity.

Conclusions:

  • The developed MOGP-based methodology provides accurate and computationally efficient analytical relations for bistable laminate natural frequencies.
  • These explicit mathematical expressions can be generalized for other bistable laminates based on geometric dimensions.
  • The findings were validated against experimental data and FEM outcomes, confirming the methodology's robustness.