Calculating the Volume loss, mass loss in abaqus

[abaqusian]

Hi all,

I wanted to know how to calculate the volume loss and mass loss after running a simulation on erosion of a model ?
I have a model. Before running simulation, i want to know the volume and mass. And after running simulation, model gets deform, now i wish to know the volume and mass loss. How to do it ?

 

[burningDiesel]

If your density doesn't change, you only want 1, and the other is trivial.
I guess the easiest thing to be would be to request EVOL (element volume) as an output, and just do a sum (either in Viewer or through a python script) at time 0 and after the simulation.

 

[abaqusian]

Hi sdebock (Bioengineer),

Could you explain elaborately the steps, as this part is important for me to understand ? I am quite new to this software

 

[burningDiesel]

If you are new to the software, you probably shouldn't do erosion simulations .
But anyways: in field output, request element volumes.
after your simulation, request these volumes for all (remaining) elements, then in 'operate on xy data', sum them all.
Your mass is then volume x density.

 

[akabarten]

Hi,

how to calculate the volume loss and mass loss after running a simulation

Abaqus offers two output variables for total model or selected element set: VOL and MASS.
Please take a look here: Abaqus Analysis User's Manual, 4.2. Output variables.

With these keywords you can save history output into *.odb and after end of your analysis get curve with volume/mass change.

Regards,
Bartosz