Home Back

Modulus of Elasticity of Circular Tapering Rod with Uniform Cross Section Section Calculator

Young's Modulus Formula:

\[ E = \frac{4 \times W \times L}{\pi \times \delta l \times d^2} \]

N
m
m
m
%

1. What is Young's Modulus Calculator for Circular Tapering Rod?

Definition: This calculator determines the modulus of elasticity (Young's Modulus) for a circular tapering rod with uniform cross section based on applied load, dimensions, and elongation.

Purpose: It helps engineers and material scientists evaluate the stiffness of materials under tension.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ E = \frac{4 \times W \times L}{\pi \times \delta l \times d^2} \]

Where:

  • \( E \) — Young's Modulus (Pa)
  • \( W \) — Applied Load (N)
  • \( L \) — Length of rod (m)
  • \( \delta l \) — Elongation (m)
  • \( d \) — Diameter of shaft (m)

Explanation: The formula relates the applied force to the resulting deformation for a material with uniform cross-section.

3. Importance of Young's Modulus Calculation

Details: Young's Modulus is crucial for material selection in engineering applications, predicting how materials will deform under stress.

4. Using the Calculator

Tips: Enter the applied load in newtons, length in meters, elongation in meters, and diameter in meters. The tolerance field (default ±5%) accounts for measurement uncertainties.

5. Frequently Asked Questions (FAQ)

Q1: What is a typical Young's Modulus for steel?
A: For most steels, E ranges between 190-210 GPa (gigapascals).

Q2: How does diameter affect the calculation?
A: Since diameter is squared in the formula, small measurement errors can significantly impact results.

Q3: What does the tolerance percentage represent?
A: It shows the acceptable variation range in the calculated modulus due to measurement uncertainties.

Q4: Can this be used for non-circular cross-sections?
A: No, this formula is specific to circular cross-sections. Different formulas apply to other shapes.

Q5: How precise should elongation measurements be?
A: For accurate results, measure elongation to at least 4 decimal places (in meters).

Modulus of Elasticity Calculator© - All Rights Reserved 2025