構造力学

構造力学

  1. マイチャンネル
  2. AIS Japan - 構造力学
  3. 周波数応答解析で、方向に沿って変動する周波数依存荷重を与える方法を教えてください。

周波数応答解析で、方向に沿って変動する周波数依存荷重を与える方法を教えてください。

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    • January 31, 2023 at 9:58 am
      FAQFAQ
      Participant

      APDLでは、基本変数FREQとそれぞれの方向の二次変数X/Y/Zで、調和荷重のテーブルを定義できます。以下に簡単なサンプルを示します。スクリプトのコマンドは、Mechanicalのコマンドオブジェクトで使用できます。 ef_ = 60 a1_ = 1000 a2_ = 2000 /prep7 et,1,182,3 mp,ex,1,10e6 mp,prxy,1,.3 mp,dens,1,.283 rect,0,10,0,1 esize,.5 amesh,1 n1 = node(10,1,0) nsel,s,loc,x,0 d,all,all,0 alls *dim,preal,table,4,5,,freq,X preal(1,0)=1e-6,10,50,100 preal(0,1)=0,-1.177,-0.99,0.599,2.298 preal(0,2)=2,-3.699,-2.265,-0.712,0.285 preal(0,3)=5,-2.987,-1.677,-1.689,0.854 preal(0,4)=8.5,-1.233,-0.209,-1.085,-0.284 preal(0,5)=10,-1.654,-2.262,-1.658,-1.353 sfe,all,1,press,1,%preal% /solu antype,harmonic hropt,full nsubst,ef_ harfrq,0,ef_ dmprat,.02 kbc,1 solve

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