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[Question #669048]: CU triaxial (PFV)

 

New question #669048 on Yade:
https://answers.launchpad.net/yade/+question/669048

Hey Guys,

I tried to model the triaxial (CU) and try to model my engine based the PFV  but I face an issue when I run my script. I appreciate it if you let me know how can I solve this challenge in my model. You can find herewith the issue:

Welcome to Yade 1.20.0 
TCP python prompt on localhost:9000, auth cookie `cseukd'
XMLRPC info provider on http://localhost:21000
Running script pfvmodify.py
WARN  /build/yade-KKgSmd/yade-1.20.0/pkg/dem/SpherePack.cpp:215 makeCloud: The size distribution has been scaled down by a factor pack.appliedPsdScaling=0.625431
unbalanced force: 0.0195013305315  mean stress:  -7.82565707168
unbalanced force: 0.318869367055  mean stress:  -7990.17746607
unbalanced force: 0.0733735650605  mean stress:  -9769.04705507
unbalanced force: 0.0430250388519  mean stress:  -9918.88193316
unbalanced force: 0.00464730410669  mean stress:  -9958.4404813
unbalanced force: 0.00110115117756  mean stress:  -9996.29707911
###      Isotropic state saved      ###
0.436852966163
-9996.29707911
1006
CHOLMOD warning: matrix not positive definite
something went wrong in Cholesky factorization, use LDLt as fallback this time
6101
0
0.01
-0.02
0.01
[[ ^L clears screen, ^U kills line. F12 controller, F11 3d view (use h-key for showing help), F10 both, F9 generator, F8 plot. ]]

Yade [1]: CHOLMOD warning: matrix not positive definite
something went wrong in Cholesky factorization, use LDLt as fallback this time

Cheers
Sam



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