Ultrasonic Welding and heat generation

- July 26, 2021 at 7:45 pm
  
  partha
  Subscriber
  
  I want to do an ultrasonic welding simulation. I designed a simple horn (catenodial). I did the harmonic analysis on the horn to find the frequency response, from this natural frequency response, I need to find how much heat was generated on the tip of that horn. I also did a transient thermal analysis to find the amount of heat at the tip. But i did not find any way to give frequency as an input.
  Could anyone help me with that ?
  Best Regrads
  Partha
- July 29, 2021 at 4:34 pm
  
  Dave Looman
  Ansys Employee
  
  Neither of the two analyses you performed captures the physics of the heat production mechanism. I don't know what it is myself. It could be friction in some cases or possibly internal damping. If you wanted to based it on internal friction you could do a direct two way coupled thermal-structural (thermoelastic) analysis like Example 2.6.3 in the APDL Coupled-Field Analysis Guide.
- February 11, 2022 at 5:36 am
  
  Haiquan
  Subscriber
  
  any updated to share on this ultrasonic welding simulation? I am very interested on this topic

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