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Shear Diagram

Shear Diagram

In the study of beam mechanics, shear diagrams play a crucial role in understanding the distribution of shear forces along the length of a beam. Consider a beam AB that is supported at both ends and subjected to perpendicular loads.
First, a free-body diagram of the beam is drawn, representing all the external forces and internal reactions acting on the beam. One can calculate the reaction forces at each support by employing the equilibrium equations of force and moment. The vertical component...

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Related Experiment Video

Updated: Jun 28, 2026

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

Published on: February 21, 2017

Real-time extended dynamic range imaging in shearography.

Roger M Groves¹, Giancarlo Pedrini, Wolfgang Osten

¹ITO Institut für Technische Optik, Universität Stuttgart, Pfaffenwaldring 9, 70569 Stuttgart, Germany. groves@ito.uni-stuttgart.de

|October 22, 2008

Summary

This summary is machine-generated.

This study introduces real-time Extended Dynamic Range (EDR) imaging for shearography, enhancing phase extraction from surfaces with varying reflectivity, like gold and dark paints.

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Last Updated: Jun 28, 2026

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

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Published on: February 21, 2017

Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography

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Shear Assay Protocol for the Determination of Single-Cell Material Properties

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Published on: May 19, 2023

Area of Science:

Optical Metrology
Non-Destructive Testing

Background:

Shearography is sensitive to surface reflectivity variations, complicating phase extraction.
Extended Dynamic Range (EDR) imaging improves image quality by merging multiple exposures.

Purpose of the Study:

To demonstrate real-time Extended Dynamic Range (EDR) imaging in shearography.
To evaluate EDR shearography on challenging surfaces with extreme reflectivity differences.

Main Methods:

Implementation of real-time EDR image processing within a shearography system.
Acquisition of shearographic data from a wooden panel painting with gold and dark earth colors.

Main Results:

Successful real-time EDR imaging was achieved in shearography.
High-quality phase information was extracted from the complex surface reflectivity sample.

Conclusions:

Real-time EDR imaging significantly enhances shearography's capability for analyzing surfaces with heterogeneous reflectivity.
This technique is promising for non-destructive evaluation of objects like painted artifacts.