ERROR # 1684

Altair Forum User

Hi, I am trying to do a simple case , to calculate a acoustic cavity modal,but it comes out the error as belown:
ERROR # 1684: FLUID element       25 points to non-fluid GRID     28.

I don't know why, please help.

Thanks in advance.

Unable to find an attachment - read this blog

Altair Forum User

Hi @franky

 

To define fluid component for a coupled fluid structural analysis, select all elements of fluid component(s)>>CARD EDIT>>activate CD-1 as shown in image. 

<?xml version="1.0" encoding="UTF-8"?>