How can I monitor the Level-Set's boundary in time?

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How can I monitor the Level-Set's boundary in time? To simulate the droplet impact on the wall. The Level-Set's boundary means the line when the ls.Vf2=0.5. when using integration operator, The result is not necessarily accurate (slightly smaller). when using maximum operator, The result will be fluctuating. I don't konw how to upload a picture, it's like, now it's 1mm, next timestep suddenly changes to 0 or 1e-3(grid size), and next timestep changes back to a normal variation, and so on.


0 Replies Last Post 2020年8月3日 GMT-4 上午4:50
COMSOL Moderator

Hello 诺 郑

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