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

Microcracking in Concrete01:20

Microcracking in Concrete

129
Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...
129
Mesh Analysis01:20

Mesh Analysis

685
Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
685
Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

114
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
114
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

62
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
62
Types of Non-structural Cracks in Concrete01:28

Types of Non-structural Cracks in Concrete

168
Non-structural cracks are primarily of three types: plastic, early-age thermal, and drying shrinkage cracks. Plastic cracks are further classified into plastic shrinkage cracks and plastic settlement cracks.
Plastic shrinkage cracks typically form within hours after the concrete is poured. The concrete's surface dries faster than the bottom, creating tensile stress that the still-plastic concrete cannot withstand, leading to diagonal or randomly patterned cracks on the concrete surface.
168
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

274
Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
274

You might also read

Related Articles

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

Sort by
Same author

Mixed-Mode Crack Growth Behavior of Compact Tension Shear (CTS) Specimens: A Study on the Impact of the Fatigue Stress Ratio, Loading Angle, and Geometry Thickness.

Materials (Basel, Switzerland)·2025
Same author

Numerical Analysis on Fatigue Crack Growth at Negative and Positive Stress Ratios.

Materials (Basel, Switzerland)·2023
Same author

Adaptive Finite Element Modeling of Linear Elastic Fatigue Crack Growth.

Materials (Basel, Switzerland)·2022
Same author

Fatigue Crack Growth Analysis under Constant Amplitude Loading Using Finite Element Method.

Materials (Basel, Switzerland)·2022
Same author

Finite Element Simulation of a Crack Growth in the Presence of a Hole in the Vicinity of the Crack Trajectory.

Materials (Basel, Switzerland)·2022
Same author

Adaptive Finite Element Model for Simulating Crack Growth in the Presence of Holes.

Materials (Basel, Switzerland)·2021

Related Experiment Video

Updated: Jul 13, 2025

Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method
07:37

Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method

Published on: January 16, 2019

9.7K

A Robust Adaptive Mesh Generation Algorithm: A Solution for Simulating 2D Crack Growth Problems.

Abdulnaser M Alshoaibi1, Yahya Ali Fageehi1

  • 1Mechanical Engineering Department, College of Engineering, Jazan University, KSA, 114 Almarefah Rd., Jizan 45142, Saudi Arabia.

Materials (Basel, Switzerland)
|October 14, 2023
PubMed
Summary

This study presents an efficient algorithm for modeling 2D crack growth using adaptive meshing. It accurately predicts crack paths and stress intensity factors (SIFs) for complex fracture mechanics problems.

Keywords:
SIFsadaptive mesh generationcrack growthfinite element analysismesh smoothing and refinement

More Related Videos

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
08:03

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

4.5K
Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
13:07

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

Published on: January 15, 2022

3.9K

Related Experiment Videos

Last Updated: Jul 13, 2025

Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method
07:37

Full-field Strain Measurements for Microstructurally Small Fatigue Crack Propagation Using Digital Image Correlation Method

Published on: January 16, 2019

9.7K
Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
08:03

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

4.5K
Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
13:07

Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression

Published on: January 15, 2022

3.9K

Area of Science:

  • Computational Mechanics
  • Materials Science
  • Fracture Mechanics

Background:

  • Modeling complex 2D crack growth presents challenges in mesh generation, accuracy, and computational cost.
  • Linear Elastic Fracture Mechanics (LEFM) provides a framework for analyzing crack behavior.

Purpose of the Study:

  • To develop a robust and efficient algorithm for generating high-quality unstructured triangular meshes for 2D crack growth simulations.
  • To accurately predict crack paths and stress intensity factors (SIFs) in complex geometries.

Main Methods:

  • Implementation of an adaptive meshing algorithm in Visual Fortran.
  • Utilizing rosette elements near crack tips for accurate SIF approximation.
  • Employing the maximum circumferential stress theory for crack path prediction.
  • Node splitting and displacement extrapolation for crack propagation and SIF computation.

Main Results:

  • The algorithm successfully generates high-quality meshes for complex 2D crack growth problems.
  • Accurate prediction of stress intensity factors (SIFs) using rosette elements.
  • Validation of crack growth path prediction against experimental and numerical results.
  • SIF results show consistency with analytical solutions for standard geometries.

Conclusions:

  • The developed algorithm is effective for simulating 2D crack growth with high accuracy.
  • The approach addresses limitations in mesh generation for complex fracture mechanics.
  • The method provides reliable stress analysis for intricate crack propagation scenarios.