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

Stress: General Loading Conditions

Stress: General Loading Conditions

To grasp the intricacy of real-world conditions where multiple loads are applied simultaneously to a structure, one might visualize a section passing through a specific point within a body, aligned parallel to the xy plane. This section is subjected to various forces, including original loads, normal forces, and shearing forces.
The shearing force, possessing potential directionality within the plane of the section, is simplified into two component forces running parallel to the x and y axes....

General State of Stress

General State of Stress

The general state of stress within a material can be accurately depicted using a stress tensor. This tensor encapsulates the internal forces distributed within a material subjected to external forces or deformations.
Specifically, consider a tetrahedral element where one face, labeled XYZ, is perpendicular to the line OA, and the remaining faces align with the coordinate axes with point O as the origin. At any point, such as point O, the stress tensor can be used to determine the stress...

Stress-Strain Diagram - Ductile Materials

Stress-Strain Diagram - Ductile Materials

The stress-strain relationship in ductile materials such as structural steel or aluminium is intricate and progresses through several stages. When a specimen is loaded, it initially exhibits a linear length increase, depicted by a steep straight line on the stress-strain diagram. It indicates the material is elastically deforming and will return to its original shape once unloaded. However, when a critical stress value is reached, plastic deformation begins. This stage sees substantial...

Normal Stress

Normal Stress

Normal stress is a type of stress that occurs when forces act perpendicular, or normal, to a material's cross-sectional area. This stress often arises in structures when subjected to axial loading, which is the application of force along the axis of an object. A practical example of this can be found in bridge truss members.
When a rod is under axial loading, the internal forces and corresponding stress are normal to the plane of the section, so it is termed normal stress. It's important to...

Stresses under Combined Loadings

Stresses under Combined Loadings

When analyzing a bent tube with a circular cross-section subjected to multiple forces, it is crucial to determine the stress distribution in order to maintain structural integrity under varied load conditions.
The process begins by slicing the tube at critical points and analyzing the internal forces and stress components at these sections, focusing on the centroid. Normal stresses, generated by axial forces and bending moments, are either compressive or tensile and vary across the section from...

Components of Stress

Components of Stress

Stress analysis under multiple loading conditions is intricate, necessitating a comprehensive grasp of normal and shearing stresses. Consider a small cube at point O, subjected to stress on all six faces, visible or not. Normal stress components σx, σy, σz act perpendicularly to the x, y, and z axes. Shearing stress components τxy and τxz are exerted on faces perpendicular to these axes.
Interestingly, the hidden cube faces also experience these stresses, equal and...

You might also read

Related Articles

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

Sort by

Same author

Locomotion characteristics of dairy cows walking on pasture and the effect of artificial flooring systems on locomotion comfort.

Journal of dairy science·2017

Same author

A single prolonged milking interval of 24h compromises the well-being and health of dairy Holstein cows.

Journal of dairy science·2016

Same author

[Antibiotic use in Swiss calf feedlots].

Schweizer Archiv fur Tierheilkunde·2016

Same author

Development and validation of a novel pedometer algorithm to quantify extended characteristics of the locomotor behavior of dairy cows.

Journal of dairy science·2015

Same author

Strong-interaction shifts and widths of kaonic helium isotopes.

Nuclear physics. A·2013

Same author

Preliminary study of kaonic deuterium X-rays by the SIDDHARTA experiment at DAΦNE.

Nuclear physics. A·2013

Search research articles

Related Experiment Video

Updated: Mar 22, 2026

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

Setting up virgin stress conditions in discrete element models.

J Rojek¹, G F Karlis², L J Malinowski²

¹Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawińskiego 5B, 02-106 Warsaw, Poland.

Computers and Geotechnics

|April 19, 2016

Summary

A new method converts pre-excavation stresses into contact forces for discrete element models (DEM). This approach accurately sets up virgin stress conditions in DEM simulations of underground excavations.

Keywords:

Discrete element method Discrete/continuum modeling Initial stress conditions Virgin stresses

More Related Videos

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

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

Published on: May 18, 2015

Finite Element Modelling of a Cellular Electric Microenvironment

Finite Element Modelling of a Cellular Electric Microenvironment

Published on: May 18, 2021

Related Experiment Videos

Last Updated: Mar 22, 2026

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

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

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

Published on: May 18, 2015

Finite Element Modelling of a Cellular Electric Microenvironment

Finite Element Modelling of a Cellular Electric Microenvironment

Published on: May 18, 2021

Area of Science:

Geotechnical Engineering
Computational Mechanics

Background:

Discrete Element Method (DEM) models require contact forces, not stresses, for simulations.
Accurately representing in-situ stress conditions (virgin stress) is crucial for modeling underground excavations.

Purpose of the Study:

To propose a novel methodology for establishing virgin stress conditions in DEM models.
To develop an algorithm for converting macroscopic stresses into equivalent contact forces for DEM.

Main Methods:

Review and critical assessment of existing methods for setting up virgin stress conditions in DEM.
Development and application of a new algorithm for stress-to-force conversion in DEM.

Main Results:

The proposed method successfully sets up virgin stress conditions in DEM models.
Test examples demonstrate the effectiveness of the algorithm across various DEM domain shapes.

Conclusions:

The developed methodology provides a reliable way to initialize DEM models with appropriate virgin stress states.
This facilitates more accurate numerical simulations of underground excavations using DEM.