[問題]想請問關於疊代次數的問題
我目前使用icepak模擬
若是穩態模擬,隨著網格數的增加,收斂的殘值會越來越小
但收斂速度很慢,要幾萬或十萬次以上才可能達到收斂
而網格數較少的話,殘值到某ㄧ定值就不會再收斂了
至於暫態模擬,每一個時間點的疊代次數幾乎兩三次或四五次就收斂了
這是我覺得蠻奇怪的地方
我是進行溫度場的模擬的,收斂標準就照預設的1e-07
而穩態模擬頂多到(1.xxxx)e-06
我看theory部分有介紹AMG法,是因為這個關係才導致收斂這麼快嗎?
還是我其它設定的問題需要改進?
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