I came across this interesting 3D contour when trying to understand the Lode angle, Stress Triaxiality and Fracture strain. Can someone help me to see what is lode angle in this context and hoe is it helpful to understand when we relate it to other two?
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Lode angle parameter helps understanding behaviour of material in tension, shear and compression when evaluating stress triaxiallity at different strain rates. It helps understanding nature of material if it behaves elastic, plastic or viscoelastic. Here, I use a word "Forensic Analysis", which is perhaps not a phrase being used in fracture mechanics of materials but being used to help understand a criminal's psychology.
A material is not criminal in nature, though.
You can consider this 3D plot as "Forensic Analytical Tool" to understand your behaviour.
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