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General Form PDE

Chen Du 瓦斯煤岩渗流

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Hello,

Is there anyone who knows that there are two variables in a control equation? In this case, how to apply the general form of partial differential equation? Because I see that in the case library, each variable corresponds to a corresponding control equation, so I'm a little bit unclear about the situation that there are two variables. I hope someone can help me explain it. Thank you very very much!


0 Replies Last Post 16 apr 2021, 02:39 GMT-4
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Hello Chen Du

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