一、幾種結(jié)果的區(qū)別
后處理命令etable、單元解、節(jié)點解和支座反力，通過比較這些結(jié)果，借助ansys中的有關(guān)幫助和有限元中力的方向一起來解決這個問題。
1.1彎矩（只列出前4個單元的解）
etable:
STAT    CURRENT-i    CURRENT-j    CURRENT-i    CURRENT-j   CURRENT-i   CURRENT-j
    ELEM    Y           Y             Z           Z           X           X      
       1 -0.92969E+07-0.92969E+07 0.27922E-05 0.27922E-05-0.17409E-07-0.17409E-07
       2 -0.51228E+07-0.51228E+07 0.28020E-05 0.28020E-05-0.80436E-08-0.80436E-08
       3 -0.94865E+06-0.94865E+06 0.28119E-05 0.28119E-05 0.52244E-08 0.52244E-08
       4 0.32255E+07 0.32255E+07 0.28217E-05 0.28217E-05 0.52244E-08 0.52244E-08
2.單元解:
ELEM=       1 MX         MY         MZ                                     
       1 0.27870E-05 0.24080E-07 0.11384E+08
       3 -0.27973E-05-0.24080E-07-0.72098E+07

ELEM=       2 MX         MY         MZ                                     
       3 0.27969E-05 0.14714E-07 0.72098E+07
       4 -0.28072E-05-0.14714E-07-0.30357E+07

ELEM=       3 MX         MY         MZ                                     
       4 0.28067E-05 0.14462E-08 0.30357E+07
       5 -0.28170E-05-0.14462E-08 0.11384E+07

ELEM=       4 MX         MY         MZ                                     
       5 0.28166E-05 0.14462E-08-0.11384E+07
       2 -0.28269E-05-0.14462E-08 0.53125E+07
3.節(jié)點解
       1 0.31381E-07 0.60183E-07
       2 -0.28269E-05-0.14462E-08 0.53125E+07
       3 -0.45360E-09-0.93657E-08#p#分頁標題#e#
       4 -0.45360E-09-0.13268E-07
       5 -0.45360E-09

4.支座反力
NODE      MX          MY          MZ   
       2 0.28269E-05 0.14462E-08-0.53125E+07
      10 0.20057E-05 0.18228E-07 0.53125E+07

TOTAL VALUES
VALUE   0.48326E-05 0.19674E-07-0.38184E-07
上面的數(shù)據(jù)分別表示了對同一分析模型采用四種不同的后處理方式獲得的結(jié)果，其中Case1反映的是通過輸出單元表的結(jié)果，Case2對應(yīng)了listelemsolution結(jié)果即為單元解的節(jié)點解，Case3代表的是listresults中nodalload，Case4就是listreactionsolu（以下情況同）。

附錄：
W=-500
A=400
EX=30E6
IO=20300
MROT=((W*A*A*A)/(EX*IO))*(1/27)!CALCULATEMAXROTTARGETVALUE
BNDM=(W*A*A)*(19/54)!CALCULATEMAXBENDMOMENT
/PREP7
ET,1,BEAM188
ET,2,BEAM188
SECTYPE,1,BEAM,I
SECDATA,16.655,16.655,36.74,1.68,1.68,.945
SECPLOT,1
C=1.49535
SECTYPE,2,BEAM,I
SECDATA,C*16.655,C*16.655,C*36.74,C*1.68,C*1.68,C*.945
SECPLOT,2
MP,EX,1,30E6
MP,NUXY,1,0.3
MP,EX,2,30E6
MP,NUXY,2,0.3
A=400
COLUMDIV=4
SPANDIV=16
K,1
K,2,,A
K,3,2*A
K,4,2*A,A
L,2,1
L,3,4
L,4,2
LSEL,,,,1
LATT,,,,,3
LSEL,,,,2
LATT,,,,,1
LSEL,,,,3
LATT,,,,,1
ALLSEL
LESIZE,1,,,COLUMDIV
LESIZE,2,,,COLUMDIV
LESIZE,3,,,SPANDIV
TYPE,1
SECNUM,1
REAL,1
LMESH,1,2
TYPE,2
SECNUM,2
REAL,2
LMESH,3
ALLSEL
DK,1,ALL
DK,3,ALL
LSEL,,,,3
ESLL
SFBEAM,ALL,1,PRESS,-500,-500
ALLSEL
FINISH
/SOLUTION
SOLVE
FINISH