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THE FEUTEX TOOLKIT

Axial Bar Stress and Extension

Estimate elastic stress, extension and strain energy for a uniform axial member.

Materials workspace● Runs in your browser
01 Your input
02 Your result
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Formulaσ=F/A; δ=FL/(AE); U=Fδ/2.
Sources and model references

Worked example

Inputs

Axial tensile force
10000 N
Length
2 m
Cross-sectional area
0.001 m²
Young modulus
200000000000 Pa

Expected results

Normal stress
10000000 Pa
Elastic extension
0.0001 m
Strain energy
0.5 J

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter every input in the labeled units; use measured or independently specified properties.
  2. Check the stated model assumptions before calculating.
  3. Interpret the output as a model estimate and verify it independently for the intended application.

Try this example

{
  "force": 10000,
  "length": 2,
  "area": 0.001,
  "modulus": 200000000000
}

Accuracy and scope

Uniform small-strain linear elastic axial loading; no bending, buckling or stress concentrations. Educational engineering estimate only; not structural or safety certification, equipment selection, or operating recommendations.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.