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zhanlong210铜虫 (小有名气)
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[求助]
RF模块的“unT”和“dnT”的区别在哪里？
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RF模块的“unT”和“dnT”的区别在哪里？ 链接是Comsol官网论坛的结果，但是看了半天还是不大懂，求高人指点：http://cn.comsol.com/community/forums/general/thread/35998 另截屏如下，麻烦知道的指点迷津，THX！ August 7, 2014 7:38am HKT in response to Sergei Yushanov Re: Maxwell Stress Tensor Yes, the difference between upward and downward stress tensor is related to the direction of the surface normal. Regards, Sergei I am writing after more than a year in this thread, but I hope someone can help clarify this point. I guess the difference between downward and upward is more than just outwards and inwards with respect to the surface, as mf.unTx+mf.dnTx for instance is not necessarily zero. My understanding is that it could be that upward is the stress tensor "just above" a surface (boundary) and downward is the same "just below" the boundary. Is this correct? Thank you! Reply | Reply with Quote | Send private message | Report Abuse |
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