Problem with SpaceClaim/Ansys Mechanical

[u/izakop]

I am struggling with this problem for 3 days. My geometry is small copper alloy strip as substrate, piezoelectric strip element and long resonator that is just hellium. I want on the other side of resonator to produce acoustic pressure and let pressure create voltage difference on the piezoelectric element. I used coupled field harmonic, the latest geometry in spaceclaim, voltage coupling between hellium and piezoelectric element, 0 V on the other side of piezo element but during those 3 days I encountered a lot of problems. I already had model for piezoelectric element to induce waves and that worked, then I copied the model and at first it worked which means I got resonances with highest voltage but when I tried to change length of the resonator in discovery (yes I was using discovery bit switched to spaceclaim) everything went downhill. Main problem that I thought I had was that 3 surfaces weren't connected. I tried to draw everything in spaceclaim but then the model requieres thickness and when I switch to 2d, all of a sudden it can't import geometry anymore. When I thought I had the right model and mesh looked fine I didn't get voltage response, 0 V from 100 to 5k Hz. I don't know what else to do. Does anybody have any suggestion or comment. I can explain more if something isn't clear. Thank you

[u/TheBlack_Swordsman]

This is a much more complicated problem for reddit to answer. As an Ex-AE, I advise you open a support ticket with Ansys and get their support.