Yarn fiber volume fraction not realistic

[anri]

Hi,
I am trying to model 1067 glass which has the following properties,

Yarn width .363mm
Yarn height .04(fabric thickness)/2 = .02 (is that correct?)
Yarn spacing .288

i used the wizard to create it but when i give the yarn properties and check the yarn fiber volume fraction i get .84 instead of .47(hand calculation), i don't know what's going on??

Thanks,
anri

[louisepb]

Hi Anri,

Could you send some more details about your textile please? The figures don't seem to make sense as the yarn width is much larger than the spacing. What sort of textile are you creating - plain weave? You also don't give any information about the yarn properties used.

Best regards,
Louise

[anri]

Hi Louise,

Sorry for the late response, here's the texgen file and abaqus input file used,

https://drive.google.com/file/d/1Tm5oRV ... sp=sharing

Thanks
Aashish

[louisepb]

Hi Aashish,

Sorry to have taken so long to get back to you on this. Are you sure that the yarn properties that you have input are correct. The yarn volume fraction being calculated by TexGen is 85 not .84. It is using the yarn diameter and number of fibres per yarn to do the calculation but this gives a fibre area much larger than the yarn area.

Hope that helps,
Louise