Impedance Plot Piezoelectric and MEMS

- September 13, 2018 at 12:06 pm
  
  konne89
  Subscriber
  
  Hi everybody,
  
  i am using the Piezoelelectric and MEMS Add On in Ansys. As a solution of a harmonic response of an piezoelectric system i choose the piezo impedance plot. As well, i build up a state space model in Matlab and plot the impedance Voltage/electric Charge. This plot is the same as the impedance plot in Ansys. My Problem is, in Ansys the unit of the y-axis is Volt/Ampere. That is not really possible. Do you have any experience or knowledge about this? Is it a bug in the Piezoelelectric and MEMS Add On?
  
  I am grateful for your help!!
- September 14, 2018 at 8:52 am
  
  Rob
  Forum Moderator
  
  That looks to be using Ohms in ANSYS? As a CFD specialist that kind of makes sense, but you may need to read around in the help guide or wait for the community to chime in.
- September 14, 2018 at 9:38 am
  
  konne89
  Subscriber
  
  I am using the ACT PiezoAndMEMS v180.1
  I don't really understand what you're meaning with "using Ohms" ?? I define two electrodes and and a piezoelectric body. For one of the two electrodes i define a real value for the voltage. The other elektrode has the Input zero. If i let the harmonic response run, i get an Impedance plot. This plot has the units Ampere/Volt... that ist my Question. Do not really find any information in the help guide.