这样的LOG文件表示什么意思

badmiton

<P><FONT face=宋体>我做了个结构和声场耦合分析的例子，现在分析不出结果，LOG文件中提示如下，不知道什么意思，有人知道请帮忙看看<BR>Computing projected COUPLING matrix <BR> Verification of projected COUPLING matrix <BR> FLUID ROW     1 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     2 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     3 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     4 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     5 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     6 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     7 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     8 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW     9 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> FLUID ROW    10 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     1 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     2 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     3 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     4 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     5 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     6 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     7 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     8 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL     9 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> STRUCTURE COL    10 OF PROJECTED COUPLING MATRIX IS ZERO ! <BR> Check for rigid body modes in modal basis ! <BR> CPU Stats --- Delta:  0:00:00 (      0.00)  Total:  0:05:53 (    352.95) <BR> <BR> Occupied space:   2341837 words  ( 23.42 %) </FONT></P>