Table 4 Four specified material parameters for using the Hill48 yield function in Abaqus
From: Prediction of Eight Earings in Deep Drawing of 5754O Aluminum Alloy Sheet
Solving area | \( R_{11} \) | \( R_{22} \) | \( R_{33} \) | \( R_{12} \) |
|---|---|---|---|---|
0°‒22.5° | 1 | 0.8356 | 0.7889 | 0.9800 |
22.5°‒45° | 1.0027 | 1.0077 | 0.8791 | 0.9850 |
45°‒67.5° | 0.9408 | 0.9600 | 0.8791 | 0.9850 |
67.5°‒90° | 0.8430 | 0.9640 | 0.8174 | 0.9739 |