What Is the Extrusion Die Swell Ratio & Viscoelastic Recovery Calculator?
This tool computes extrusion die swell ratio & viscoelastic recovery calculator with high precision arithmetic.
How Does the Extrusion Die Swell Ratio & Viscoelastic Recovery Calculator Work?
Calculates the elastic extrudate die swell ratio (Barus effect) resulting from the sudden relaxation of stored elastic normal stresses upon exiting extrusion tooling.
Extrusion Die Swell Ratio & Viscoelastic Recovery Calculator Formula & Variables
The core mathematical equation utilized by this calculator is expressed as:
Calculates the elastic extrudate die swell ratio (Barus effect) resulting from the sudden relaxation of stored elastic normal stresses upon exiting extrusion tooling.
How to Use the Extrusion Die Swell Ratio & Viscoelastic Recovery Calculator
- Enter your parameters into the designated input fields to calculate the result immediately.
Step-by-Step Example Calculation
Extrusion Die Swell Ratio & Viscoelastic Recovery Calculator Example
Input Values:
dieExitDiameterMm:5.0
firstNormalStressDifferenceKPa:45.0
wallShearStressKPa:30.0
Worked Steps: Sample evaluation based on standard reference conditions.
Understanding Your Result
The calculated primary figure indicates the optimal or required Die Swell Ratio (B).
Factors That Affect the Result
- Measurement tolerances, operational variance, and real-world conditions.
When Should You Use This Calculator?
- Everyday budgeting, technical homework, professional estimation, and household projects.
Assumptions & Limitations
- Assumes standard atmospheric or environmental parameters unless specified.
Frequently Asked Questions
Calculation Accuracy & Reference Note
Double-precision IEEE 754 arithmetic with validated empirical constants.