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composite plate

Positive definite stress-strain matrix in Ansys

Submitted by muhendismrt on
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positive definite stiffness matrix

Dear friends,

 I'm an MSc. student at Bogazici University, Turkiye and I'm working on a thesis project about the failure behaviour of fiber reinforced laminated composite plates under different loading types. The material which we use are AS4 fiber reinforced  prepregs and their mechanical properties are the following:

 


E11 =134,000 MPa

E22 = E33= 9480 MPa

G12 = G13= 5490 MPa

G23 MPa =3272

nu12 = nu13 =0.271

 

nu23 =0.448 

Composite Plate Modelling in Ansys 9

Submitted by anuppydah on
modelling
ansys
composite plate

Hi..

 

I'm new  to Ansys.. I need to model a composite plate with a hole. It needs to have 5 laminated layers with different fiber orientations.

I've been through all similar queries here and have managed to understand how to model the layup (using the section -> shell method).

I have also modelled a sample plate with a hole.

I have also inputed the various material properties of each individual layer (through the Material Model editor).

BUT!! HOW DO I INTEGRATE THE LAYUP WITH THE SAMPLE PLATE ???.

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