- ANALYSISOFDISCONTINUOUSBEMFEMCOUPLINGPROCEDURETwomatriceshavetobecalculatedwhensolvingplaneLaplaceequationbytheuseofBEM.WhenapplyingBEMtoelastoplasticproblems,thestronglysingularintegralsovervolumecellshavetobeestimated.Themultitoothcontactproblemoft...
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- 問題詳情:如圖,正方形ABCD中,AB=2,E是BC中點,CD上有一動點M,連線EM、BM,將△BEM沿著BM翻折得到△BFM.連線DF、CF,則DF+FC的最小值為_________.【回答】.【分析】取BG=,連線FG,首先*△BGF∽△BFC,從而可得到FG=FC,然後依據三角形的三邊關係可知DF+FC=DF+FC≤DG,然後依據勾股定理求得DG的值即可...
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