Text this: Characterization of material constants based on synthetic biaxial data

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| || | ||  /_   _//  /  ___||   / _ \\   /  ___|| 
| '--' ||   -| ||-  | // __    | / \ || | // __   
| .--. ||   _| ||_  | \\_\ ||  | \_/ || | \\_\ || 
|_|| |_||  /_____//  \____//    \___//   \____//  
`-`  `-`   `-----`    `---`     `---`     `---`