# Elastic Constants Calculator — For Isotropic Material Modulus

> For Isotropic Material Modulus (iPhone/iPad app by APPS BAY LIMITED.)

- Source: https://appshunter.io/ios/app/elastic-constants-calculator/id6478935452 (this page in markdown: same URL + `.md`)
- Developer: [APPS BAY LIMITED](https://appshunter.io/developer/1599035519)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 10 MB
- Languages: English, Chinese, Chinese
- Released: 2024-03-06
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/elastic-constants-calculator/id6478935452/reviews.md

## What is Elastic Constants Calculator?

Our app is designed to make understanding and calculating the fundamental properties of isotropic materials straightforward and accessible. Whether you're a student, engineer, or researcher, this tool will help you derive essential elastic constants from just two initial inputs.

What are Elastic Constants?

Elastic constants are parameters that describe how materials deform under various types of stress. They are crucial in fields such as materials science, mechanical engineering, and civil engineering. There are five key elastic constants for isotropic materials, which our app focuses on:

Young's Modulus (E): Measures the stiffness of a material, or its resistance to elastic (reversible) deformation under load.
Poisson's Ratio (ν): Describes the ratio of transverse strain to axial strain when a material is stretched.
Shear Modulus (G): Indicates the material's ability to deform under shear stress (when a force is applied parallel to its surface).
Bulk Modulus (K): Reflects how resistant a material is to compression.
First Lamé Constant (λ): A parameter used in the description of stress and strain in materials.

How It Works?

You start by inputting two of the five elastic constants – for instance, Young's Modulus (E) and Poisson's Ratio (ν). With just these two inputs, our app calculates the remaining three constants: Shear Modulus (G), Bulk Modulus (K), and the First Lamé Constant (λ).

Example

Inputs:

Young's Modulus (E): 70 GPa
Poisson's Ratio (ν): 0.3

Results:

Young's Modulus (E): 70 GPa
Poisson's Ratio (ν): 0.3
Shear Modulus (G): 26.923 GPa
Bulk Modulus (K): 58.333 GPa
First Lamé Constant (λ): 40.385 GPa
Why Use This App?

Understanding the mechanical properties of materials is essential for designing and analyzing structures and mechanical systems. Our app simplifies the process, saving you time and ensuring accuracy in your calculations. It's perfect for educational purposes, quick checks, and in-depth material analysis.

We hope you find this tool valuable for your studies or professional projects. If you have any questions or feedback, we'd love to hear from you!


## Version history (last 1 release)

### 1.0.0 — 2024-03-06

No release notes.

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## Related topics

[elasticam](https://appshunter.io/ios/topics/elasticam)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*