请教大家，谢谢。
浏览：67807 回答：6
仿真到最后几步突然中断，我看了看MESSAGE,里面最后是下面这样得，请教各位看看可能是什么原因。
node # 25515 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 25517 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 25528 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 25515 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 25517 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 25528 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
Veronica 
