lsdyna爆炸流固耦合? 100
按照别人的模型做了几个流固耦合的案例,但是求解的时候老是出现警告和求解时间特别大该怎么解决呢?
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
流固耦合需要流体共节点,并且ALE的part不重合