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lsdyna爆炸流固耦合? 100

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按照別人的模型做了幾個(gè)流固耦合的案例,但是求解的時(shí)候老是出現(xiàn)警告和求解時(shí)間特別大該怎么解決呢?

 Beginning of keyword reader                                   07/06/22 15:15:11


 *** Warning 11199 (KEY+1199)

     DCT should be -1 in *CONTROL_ALE


 *** Warning 10302 (KEY+302)

     CHECKING MATERIAL INPUT Part ID= 1

     The default hourglass properties of the following

     ALE part are being modified to avoid unnecessary

     application of hourglass forces.

     Resetting coefficient qm=1.0e-6.

     PART ID 1 with

     MATERIAL ID 1 and

     EOS ID 1

     This is PART 1 in the order of input.


 *** Warning 10302 (KEY+302)

     CHECKING MATERIAL INPUT Part ID= 9

     The default hourglass properties of the following

     ALE part are being modified to avoid unnecessary

     application of hourglass forces.

     Resetting coefficient qm=1.0e-6.

     PART ID 9 with

     MATERIAL ID 4 and

     EOS ID 2

     This is PART 9 in the order of input.


 Memory required to process keyword     :    13711070


 input of data is completed


 initial kinetic energy = 0.00000000E+00


 Memory required to begin solution      :     131M

 Additional dynamically allocated memory:      30M

                                   Total:     160M


 initialization completed

       1 t 0.0000E+00 dt 2.12E-04 flush i/o buffers            07/06/22 15:15:22

       1 t 0.0000E+00 dt 2.12E-04 write d3plot file            07/06/22 15:15:22


 *** Warning 40123 (SOL+123)

     There are 145 nodes shared by ALE eleform 11/12

     and other Non_ALE eleforms.

     The first 10 nodes are:

 1 2 3 4 5

 6 7 8 9 10

 cpu time per zone cycle............         0 nanoseconds

 average cpu time per zone cycle....       895 nanoseconds

 average clock time per zone cycle..       815 nanoseconds


 estimated total cpu time          =    514934 sec (     143 hrs  2 mins)

 estimated cpu time to complete    =    514921 sec (     143 hrs  2 mins)

 estimated total clock time        =    469278 sec (     130 hrs 21 mins)

 estimated clock time to complete  =    469265 sec (     130 hrs 21 mins)

 termination time                  = 4.000E+02


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(3)
默認(rèn) 最新
韋簫

流固耦合需要流體共節(jié)點(diǎn),并且ALE的part不重合

2022年10月1日
已采納 評(píng)論 2 點(diǎn)贊 1
追風(fēng)少年62
流固耦合確是需要很多時(shí)間進(jìn)行求解
2022年10月2日
評(píng)論 點(diǎn)贊
獨(dú)風(fēng)
警告可以不用管
2022年7月7日
評(píng)論 2 點(diǎn)贊

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