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Crack length measurement

Submitted by faizan.iitm on

I am trying to measure J - integral from experiment. " Let my initial fatigue crack length is 6mm, then i did single specimen unloading compliance test on it. The crack legth increased to 8mm" If i want to model the same geometry in FEA. Now my doubt is that "what carck length should i take 1) Initial fatigue crack = 6mm 2) final crack length  = 8 mm.................... Note: I need to model my CT specimen in FEA  to correct my experiments :-)

Parallel Multiscale modeling in ABAQUS using UMAT

Submitted by musiddiqui on

Hello everyone,

I am currently in the process of implementing a multiscale modeling approach in ABAQUS/Standard.

Here is what I am doing.

Macroscale ABAQUS model <--> UMAT <--> Python script <--> Microscale ABAQUS model

So basically the microscale model is being called at every macroscale integration point. The UMAT passes the required data to python as command line arguments and the python script returns the stress and tangent modulus in a text file.

PhD Position in Computational Materials Science / Nanomechanics

Submitted by Erik Bitzek on

The Institute for General Material Properties of the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) is seeking an outstanding PhD candidate to participate in a research-training group on in-situ microscopy on nanoscale objects.

 

Symposium on Structure, Plasticity and Fracture of Inorganic Glasses in Paris

Submitted by Erik Bitzek on

Dear Colleagues,



we are organizing a symposium on Plasticity and Fracture in Inorganic Amorphous Materials at 



Condensed Matter in Paris 2014



to be held August 23 to 29, 2014. 



Your experimental or theoretical contributions are highly welcome. 

Please don't hesitate to contact us for more information.



The deadline for abstract submission is  April 1st 2014.



Looking forward to seeing you in Paris in August,



PhD position in Hydraulic Fracture at University of Houston

Submitted by Reza Mousavi on

There is an open position for PhD at University of Houston in the area of structural engineering and computational mechanics. The student will start as TA and then switch to RA hopefully in the subject of hydraulic fracturing. If you find yourself interested in the subject, please send your CV to m.reza.mousavi [at] gmail.com .