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composite material - tension strength test - simulation in Ansys

composite material - tension strength test - simulation in Ansys

composite material - tension strength test - simulation in Ansys

(OP)
HI ALL
i am trying to simulate in ANSYS the Tension Strength Test (TST).The TST has been already done. i got the values(grapf stress-strain).
Now im traing to create the simulation of the TST in ANSYS. I got all the materials values:

fiber E=73GPa, V(volume)fiber=0.32 Poisson=0.25
matrix  e=3Gpa Poisson=0.316

number of layers 14 (in ansys i use 29 layers, first and last is half height of matrix, plus another 13 of matrix in full heihgt and 14 of fibers)
i got the dimension of the sample (whole and the middle section).I'm modeling only the middle section.
i'm using the element SOLID46.
but the solution is different as a TST.

test value  for the composite is around 16GPa
but in Ansys it is only 3GPa

any tips where i make the mistake?

thanks for all answers

Vladimir Zachar

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