[Nek5000-users] why history file has weird output?

[nek5000-users at lists.mcs.anl.gov]

Hi Neks,

I want to out the U V and P values from one elemet, but it out put same time step line repeatly with all values are zero. like this
91   1.03171068E-02  1.67794142E+00  1.18830199E-01 -7.60391611E-01
 92   1.03171068E-02  0.00000000E+00  0.00000000E+00  0.00000000E+00
 93   1.05331012E-02  1.67757255E+00  1.18681458E-01 -7.62501274E-01
 94   1.05331012E-02  0.00000000E+00  0.00000000E+00  0.00000000E+00
 95   1.07490956E-02  1.67714286E+00  1.18533770E-01 -7.64569516E-01
 96   1.07490956E-02  0.00000000E+00  0.00000000E+00  0.00000000E+00

so what is the problem? Anyone has met this before_? thanks

Wei