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zhanlong210銅蟲(chóng) (小有名氣)
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[求助]
RF模塊的“unT”和“dnT”的區(qū)別在哪里？
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RF模塊的“unT”和“dnT”的區(qū)別在哪里？ 鏈接是Comsol官網(wǎng)論壇的結(jié)果，但是看了半天還是不大懂，求高人指點(diǎn)：http://cn.comsol.com/community/forums/general/thread/35998 另截屏如下，麻煩知道的指點(diǎn)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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