lsdyna延时爆破出错？ 20

请问采用延时爆破，将不同炸药设置成不同part，设置不同起爆时间，在二维的条件下可以实现延时爆破，可是为什么在三维的情况下炸药会同时起爆？关键字如下。

*INITIAL_DETONATION

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8,-239.6607,501.5643, -100,0

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8,-375.5060,452.6823,-100,0

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8,-352.3800,378.1166,-100,0

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7,-148.4320,443.5698,-100,15

7,-494.1889,479.631