LGDISP

Altair Forum User

Hello,

I have a Model with 2 Load Steps. I applied a force just in one direction with differnet magnitude .  For load step 1 =4000N and for load step 2= 10000N.

(I do not use CNTNLSUB)

 

I wonder, why the force vs. displacement curve is not equal for both load steps until 4000N. So the stresse are actually also not equal at the same force magnitude.

Do somebody has an idea?

 

Attached a Diagram of the 2 curves (force vs displacement), and the model files .fem and .h3d

 

<?xml version="1.0" encoding="UTF-8"?>

 

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Altair Forum User

Hi @Oli

 

Thank you for sharing the files. I will check and update you soon. 

 

But I think the load increments may be different for both subcases and this is the reason you see some offset