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Determination of Material Properties for Discrete Damage Mechanics Analysis

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Determination of Material Properties for Discrete Damage Mechanics Analysis in Ansys

 

A methodology is presented to calculate the material properties of E-Glass/Epoxy for Discrete Damage Mechanics Analysis, which is implemented as a user material in ANSYS®. This method is based on fitting discrete damage mechanics (DDM) model predictions to available experimental data by using Design of Experiments (DoE) and Direct Optimization (DO). The method uses experimental modulus-reduction vs. strain data for only two laminates to fit all the properties of DDM transverse/shear damage mode. Fitted properties are then used to predict and compare with the experimental data of other laminates for the same material system. Mesh sensitivity of DDM user material is studied by performing p- and h-mesh refinement.

 

Authors: M. Shahbazi, and E. J. Barbero

 

Conference: CAMX 2016 – Anaheim

 

SKU/Code: TP16-0031

 

Pages: 8




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