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Hi all

I am a PhD rsearch scollar from SVNIT Surat. 

I am working on Failure analysis of composite by using higher order shear deformation theory. I had written matlab code for FEM.

I got the the results but i am loosing accuracy. Can anyone suuggest me what is the best way to calculate accurate stresses.

What care is to be taken for in plane and out of plane loading conditions.

Personal Floatation Devices (PFDs) are protective equipments used on an offshore platform location, on the barge, during boat travel, when travelling in a Helicopter or aeroplane, when fire drills or emergency drills are being conducted or any other time deemed necessary by boat captain, supervisor, pusher or pilot. It is also important to note that proper attention has to be paid on the use of thee PDSs. Examples of these PFDs are life preserver, work vest, life buoy, life raft, survival capsules etc

I'm trying to subtract a list of elements one of the other and I'm getting stuck.

I get my sets using the following code:

elemlist1=mdb.models['mesh_for_analysis'].parts['PART-1'].elements.getByBoundingBox(XMin,YMin,ZMin-delta,XMax,YMax,ZMin+delta)

mdb.models['mesh_for_analysis'].parts['PART-1']
.Set(elements=ElemList1, name='Zmin')

AllelemList= mdb.models['mesh_for_analysis'].parts['PART-1'].elements.getByBoundingBox(XMin,YMin,ZMin,XMax,YMax,ZMax) 

Hello!

I have to model the RVE for steel fiber reinforced concrete using abaqus. I have to validate it for compressive behaviour and drop weight impact analysis. I am new to abaqus and i have no idea how to do it. Can someone please help me do it? I am in serious need of some sort of guidance. 

Hello,

(Here is the link if you can not see the list bellow node/13795 )

This is my entry list:

Dear Colleague

I modeled a 2D three point specimen with a crack in abaqus, i want to plot J integral against crack extention, but  dont know how to determine the crack extention. i can get the J value from history output, but cannot plot it against crack extention. please help me in this case, thanks in advance.