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How to model delamination in laminated composites?

Submitted by praveenyr on

Hi,

  I'm Praveen doing my Master of Technology Project. I wanted to know how to model delaminated composites in ANSYS. Whether to use Teflon layer as delamination between the plies or creating air gap between the plies? And also wanted to know how to use cohesive zone elements or interface elements to create delamination. Can anyone help me? I ve attached images for references. 

Siemens US Intern Opportunity in Fracture Mechanics

Submitted by zhangjd on

Siemens Corporate Research (SCR), a division of Siemens Corporation, located in Princeton, New Jersey (USA) is Siemens' largest research center outside of Europe. SCR excels in transferring academic research into innovative products, and works in close collaboration with clinical and industrial partners. With more than 250 scientists, engineers, and technical experts, the company helps its customers and strategic partners grow their businesses in the fields of healthcare, automation, production, energy, industry, information and communications.

 

Effect of electrical boundary conditions on the polarization distribution around a crack in a ferroelectric single domain

Submitted by Jie Wang on

Polarization distributions around an open crack with different electrical boundary conditions in a single crystal ferroelectric are investigated by using a phase field model. The surface effect of polarization is taken into account in the phase field model, which has not been included in previous ferroelectric crack models. The simulation results show that the impermeable crack and the crack filled with air have a significant influence on the polarization distribution, while the permeable and the crack filled with water have little influence.

python scripting

Submitted by villa7 on

I have extracted field output from ABAQUS odb file and I want to take log of that field. In ABAUQS scripting manual, in section 9.8.2 it has been mentioned that

               log10(field output)= field output

 When I am trying to do this compilation gives me error. "a float value required"

Please guide me if i am making any mistake

Also if possible, suggest how can I get rid of this problem?