高手过来看看渗流输出结果
这是我做的渗流结果但是好象有问题,请高手帮助!!!*** CONDUCTIVITY MATRIX NOT POSITIVE DEFINITE ***
NODE NUMBER = 2 NONPOSITIVE PIVOT FOR EQUATION 2
PIVOT = 0.000000000000E+00
*** CONDUCTIVITY MATRIX NOT POSITIVE DEFINITE ***
NODE NUMBER = 5 NONPOSITIVE PIVOT FOR EQUATION 5
PIVOT = 0.000000000000E+00
*** CONDUCTIVITY MATRIX NOT POSITIVE DEFINITE ***
NODE NUMBER = 8 NONPOSITIVE PIVOT FOR EQUATION 8
PIVOT = 0.000000000000E+00
*** CONDUCTIVITY MATRIX NOT POSITIVE DEFINITE ***
NODE NUMBER = 11 NONPOSITIVE PIVOT FOR EQUATION 11
PIVOT = 0.000000000000E+00
*** CONDUCTIVITY MATRIX NOT POSITIVE DEFINITE ***
NODE NUMBER = 14 NONPOSITIVE PIVOT FOR EQUATION 14
PIVOT = 0.000000000000E+00
*** CONDUCTIVITY MATRIX NOT POSITIVE DEFINITE ***
NODE NUMBER = 17 NONPOSITIVE PIVOT FOR EQUATION 17
PIVOT = 0.000000000000E+00
Re:高手过来看看渗流输出结果
这是说渗流矩阵不正定,很可能是网格剖分质量不好或渗流系数不合适造成的。Re:高手过来看看渗流输出结果
谢谢我试过了是渗透系数取的不合适造成的我改大了以后就好了
页:
[1]