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Hi again, I gave Bulk as 0.01267GPa and shear as 0.0013100 GPa to a viscoelastic solid material. other than this, I tried giving element formulation as 2, and the model ran for 165 ms (supposed to run fr 220 ms) before giving negative volume error. Next step, i tried ELFORM=3 and was able to...

HI, I have been looking for some literature to clearly understand what Element formulation's role is. Kindly help me out in this search. Thank you

MadMango, Thank you for replying. Could you please come up with some crystal clear answer for what is TOLERANCE?..few links related to my queries will also be sufficient enough for me to proceed. Prasannaah

Learned ones, I created half part of a symmetric solid and reflected it only to find some kind of overlapping of surfaces over the other. I then went to the edges panel in Tools to correct t issue. My doubt is: What is 'TOLERANCE'? I am aware that some numerical have to be given, but would...

Hey guys i found a pdf related to tis issue, and i thot i cud share with u all. plz find the attached file.

ONE MORE IMPORTANT DOUBT I NEED TO CLEAR IS: what happens when hourglass is :applied during simulations? : not applied during simulations?

I heard there is some kind of change in formulations involved. Can any one guide me with respect to such stuffs?

Thank you, But please tell me why only LS DYNA has hourglass mode, in detail. Thanks again.

Dear learned ones, why do the tetrahedral solid and triangular shell elements doesnt have hourglass modes? Thank you. Prasannaah