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我在计算多自由度齿轮系统固有频率时,自由振动情况下,有一个一阶自由频率为负数,请问,有可能吗,谢谢
1.0e+007 *
Columns 1 through 6
-0.2939 0 0 0 0 0
0 0.0003 0 0 0 0
0 0 0.0405 0 0 0
0 0 0 0.0776 0 0
0 0 0 0 0.0776 0
0 0 0 0 0 0.1499
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
Columns 7 through 12
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0.2178 0 0 0 0 0
0 0.2178 0 0 0 0
0 0 0.3713 0 0 0
0 0 0 0.3733 0 0
0 0 0 0 0.3733 0
0 0 0 0 0 0.6747
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
Columns 13 through 16
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
1.3698 0 0 0
0 1.8947 0 0
0 0 1.8947 0
0 0 0 1.9001 |
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