📄 unbal1.m

📁 用matlab编写的用于转子动力学分析的有限元程序

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% ==> ELEMENTS %--------------------------------  ELEMENTS =[1 2 0.1 0.05 1;2 3 0.15 0.05 1;2 3 .3 .2 3; 3 4 .06 0 2; 4 5 .05 0 1] ; %-------------------------------- % ==> dim %-------------------------------- % ==> M %-------------------------------- % ==> dof %--------------------------------  dof =[3 4 5 6 9 10 11 12] ; %-------------------------------- % ==> W %--------------------------------  W =10 ; %-------------------------------- % ==> NODES %--------------------------------  NODES =[0:0.5:3] ; %-------------------------------- % ==> MATERIALS %--------------------------------  MATERIALS =[209000000000 7800 0.3;70e9 3000 .38 ; 40e9 5000 .29] ; %-------------------------------- % ==> DISCS %--------------------------------  DISCS =[] ; %-------------------------------- % ==> POINT_MASS %--------------------------------  POINT_MASS =[] ; %-------------------------------- % ==> SPRINGS %--------------------------------  SPRINGS =[] ; %-------------------------------- % ==> DASHPOTS %--------------------------------  DASHPOTS =[] ; %-------------------------------- % ==> BCNodeDir %--------------------------------  BCNodeDir =1 ; %-------------------------------- % ==> Bcord %--------------------------------  Bcord =[1;2;7;8] ; %-------------------------------- % ==> UNBALANCE %--------------------------------  UNBALANCE =[3 1 0] ; %-------------------------------- % ==> FNodeDir %--------------------------------  FNodeDir =[3.1 3.3] ; %-------------------------------- % ==> RNodeDir %--------------------------------  RNodeDir =[3.1 3.3] ;  %-------
 Reduct.Type='modal'; Reduct.Nmodes=4;

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