- ANALYSISOFDISCONTINUOUSBEMFEMCOUPLINGPROCEDURETwomatriceshavetobecalculatedwhensolvingplaneLaplaceequationbytheuseofBEM.WhenapplyingBEMtoelastoplasticproblems,thestronglysingularintegralsovervolumecellshavetobeestimated.Themultitoothcontactproblemoft...
- 29345
- 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,連接EM、BM,將△BEM沿着BM翻折得到△BFM.連接DF、CF,則DF+FC的最小值爲_________.【回答】.【分析】取BG=,連接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...
- 18798