8 極限解析に於ける組織的モーメント分配法に就て

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タイトル別名
  • 8) SYSTEMATIZATION OF PLASTIC MOMENT-DISTRIBUTION METHOD : AUTOMATIC LIMIT ANALYSIS OF STRUCTURES
  • 極限解析に於ける組織的モーメント分配法に就て
  • キョクゲン カイセキ ニ オケル ソシキテキ モーメント ブンパイホウ ニ シュウテ

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抄録

After the plastic Moment-distribution Method by hand computation of J.M. English (1953) and M.R. Horne (1954), appeard the systematic one of J. Heyman (1959) in which involue high-speed digital computers. Heyman's Method have following good points that is able to applied limit analysis and designs, obtained correct solution by limited steps as well as Linear Programming Method (L.P.), finally the physical means of calculation is very clear. Howevr, this Method's weak points is as follows: We can't make a prediction about number of steps, and feel difficalt to adapt the criterion of Step II so-called for calculating machine. In order that save these weak points, the present writer has tried changing this method into a procedure of re-distribution of residual momnts, and restrict the moment distribution of first step. Consequently, the presented criterions are able to obtained always hinematically admisible multiplier smaller than preceeding steps by the Method of Trg and Error and to carried correct solution in the step of redundancies from the first by the Autmatical Method. (1961. 11.)

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