HYT 9.1's Simulation result is huge different to 9.0's

Document created by yu.yanfeng on Aug 12, 2009
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One of my freinds done the comparison. He find HYT 9.1's simulation result is huge different to 9.0's on same pcb. Also He find  a very strange symptom. If you set the board's volume fraction of copper to a large value such as 0.89 above, the results of component all reach to 990 Degree or reach to Zero.

 

I hope anyone having HYT 9.1 copy help us to validate this symptom.

 

Yanfeng

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