How Can We Help?

Liver Strain Energy Density

Created On
Last Updated On
You are here:
< Metriks Home

Overview

Strain energy density (SED) has been proposed as a method to evaluate soft tissue organ injury possibility and has been shown to have low sensitivity to boundary conditions and across experimental subjects [1][2]. SED is measured by dividing the internal energy of the organ of interest by the initial organ volume.​

Outputs Example

Panel Descriptions
3D Representation of Organ Location Summary Tables with Strain Energy Density Information
Strain Energy Density time history plot

Instrumentation Summary

Sensor TypeMATSUM
Default Sensor ID (M50-O v5.1.1)PID 6000002

Calculation Methods

1. Obtain internal energy time history of liver

2. Divide internal energy by initial organ volume to obtain Strain Energy Density history

GHBMC M50-O v5.1.1 Proposed Injury Threshold Value: 0.6 μJ/mm³ (Can be overridden in Calculation Settings). This threshold value corresponds to the minimum strain energy below which injury was not observed in a peer-reviewed study [1].

References

[1] Beillas, Philippe, and Fabien Berthet. “Development of Simulation Based Liver and Spleen Injury Risk Curves for the GHBMC Detailed Models.” Paper IRC-18-61. Ircobi Conf. 2018, Athens, Greece, 2018. 

[2] Beillas, P., & Berthet, F. (2017). An investigation of human body model morphing for the assessment of abdomen responses to impact against a population of test subjects. Traffic injury prevention, 18(sup1), S142-S147.