ansys做一个门式钢架，进行静力求解，为什么不能查看后处理的云图？
命令流如下
/PREP7
ET,1,BEAM188
SECTYPE, 1, BEAM, CTUBE, , 0
SECOFFSET, CENT
SECDATA,30.2,32,0,0,0,0,0,0,0,0,0,0
MP,EX,1,2.1e11
MP,PRXY,1,0.3
K,1,-4000,0,0,
K,2,-3736,1500,0,
K,3,-3449,1800,0,
K,4,-3225.7,2000,0,
K,5,-1919,2850,0,
K,6,-2036,2797.6,0,
K,7,-1310,3099,0,
K,8,0,3400,0,
K,9,1310,3099,0,
K,10,1919,2850,0,
K,11,2036,2797.6,0,
K,12,3225.7,2000,0,
K,13,3449,1800,0,
K,14,3736,1500,0,
K,15,4000,0,0,
K,17,0,2000,0,
LSTR,1,2
LSTR,14,15
LARC,2,8,6
LARC,14,8,11
LSEL,S,,,1,4,1
LATT,1, ,1, , , ,1
LESIZE,ALL, , ,30, ,1, , ,1,
lmesh,1,4,1
ET,2,BEAM188
MP,EX,2,2.1e11
MP,PRXY,2,0.3
SECTYPE, 2, BEAM, CTUBE, , 0
SECOFFSET, CENT
SECDATA,30.5,32,0,0,0,0,0,0,0,0,0,0
LSTR,4,12
LSTR,7,17
LSTR,9,17
LSEL,S,,,5,7,1
LATT,2, ,2, , , ,1
LESIZE,ALL, , ,30, ,1, , ,1,
lmesh,all
allsel,all
DK,1, , , ,0,ALL, , , , , ,
DK,15, , , ,0,ALL, , , , , ,
FK,3,FY,-130
FK,13,FY,-130
FK,5,FY,-170
FK,10,FY,-170
FK,8,FY,-190
ALLSEL,ALL
你的模型内部构件没有连接好。打开 .err 文件，有如下内容：
file .err contained follow warnning and error:
/COM,ANSYS RELEASE 12.0.1 UP20090415 08:28:10 04/18/2017
*** WARNING *** CP = 2.891 TIME= 08:28:47
Forces on unmeshed keypoint 3 are not transferred.
*** WARNING *** CP = 2.891 TIME= 08:28:47
Forces on unmeshed keypoint 5 are not transferred.
*** WARNING *** CP = 2.891 TIME= 08:28:47
Forces on unmeshed keypoint 10 are not transferred.
*** WARNING *** CP = 2.891 TIME= 08:28:47
Forces on unmeshed keypoint 13 are not transferred.
*** ERROR *** CP = 3.297 TIME= 08:28:48
A small negative equation solver pivot term has been encountered at the
UZ degree of freedom of node 138. Check for an insufficiently
constrained model.
做了一次模态分析，提取 10 个模态频率，结果有 7 个频率是零。模型中存在的问题如下：