error in file of Ch2-12.spf

04-Unexpected behaviour/errors
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snozhati
Posts: 6
Joined: 11 Oct 2012, 07:34

error in file of Ch2-12.spf

Post by snozhati »

With respect
I have a problem when I run computer file of Ch2-12.spf (Verification report of Seismostruct V.6) I encounter to “ zero diagonal terms encountered at the following nodes: node28&29” error
Please check it again & I was wondering if send it to my mail
Thanks in advance
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seismosoft
Posts: 1246
Joined: 06 Jul 2007, 04:55

Re: error in file of Ch2-12.spf

Post by seismosoft »

Dear snozhati,

Thank you for bringing this matter to our attention. Shortly before the release of v6, we introduced some changes in the eigensolver that, most regrettably, led to the abnormal behaviour that you report (related to memory overlapping).

Whilst we will certainly correct this error in the next release of the program, we can, in the meantime, suggest you the following workaround, in order to make Ch2-12.spf model run:
- change the solver from Lanczos to Jacobi
- try to run the analysis; you will get 4 eigensolutions, but they are imaginary
- close the program, re-open it and re-run the analysis (always with Jacobi); you should get the correct results

Thanks again for reporting this matter to us,

Seismosoft Support
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