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hi all

Am doing my project in abaqus. how to calculate the normal mode fracture energy, shear mode fracture energy first direction and shear mode fracture energy second direction in power law

could anyone help me???

thanks in advance...

I guess I know how to descretize and further processing but how can I make or define my sample for example(tensile sample) in fortran. 

Hi all,

I am trying to model an impact event but need to find out: 

• Long. Tensile Fracture energy
• Long. Compressive Fracture Energy
• Transverse  Tensile Fracture Energy
• Transverse Compressive Fracture Energy
  

 for a Glass/epoxy UD laminate.

This paper could be Downloaded at: http://sam.ensam.eu/handle/10985/7489

Anyone please tell me the mathematical formulatation of Single ply thin composite plate with squre cutout.

I want to do buckling analysis of that composite plate using that mathematical formulatation.

Hi

I'm Jamal Mostafavi. I want to have some research about Xfem Method.I Read Prof  TED BELYTSCHKO paper with title of "A FINITE ELEMENT METHOD FOR CRACK

GROWTH WITHOUT REMESHING". I have a quastion about this papar:

 In eauation (9), He used General eqation of finite element. 

 uh = sum(u(i)*phi(i))

i from 1 to 10

 phi is  bilinear shape function