#1 2021-03-03 23:47:58

Humberto

Member

From: Ensenada, Mexico

Registered: 2012-10-15

Posts: 104

Website

Calculate shear stress on screws in a composite beam.

Hello, I am making a beam out of a thick panel screwed to a Steel stud (see image) And I am trying to figure out how often the screws should be placed attaching the panel to the steel stud. I am trying to study the shear between the two surfaces when the beam is loaded and starts bending. so I defined  half the contact surface as a geometry group "Contact" , Loaded the beam with transverse load and Calculated the stresses SIEF_NOEU

then did an integral over the stress field on the Contact patch to calculate the total shear force on the screws.

table = POST_ELEM(
  INTEGRALE=_F(
    GROUP_MA=('Contact', ),
    NOM_CHAM='SIEF_NOEU',
    NOM_CMP=('SIYZ', ),
    TYPE_MAILLE='2D'
  ),
  RESULTAT=reslin

Is this the correct approach into calculating that force?

Thanks in advance.

Last edited by Humberto (2021-03-03 23:51:13)

---

Attachments:
model.png, Size: 104.38 KiB, Downloads: 173