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How to save only a slice,not the whole data?

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Old   August 24, 2005, 14:14
Default How to save only a slice,not the whole data?
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leon
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Hi, I am currently building a tube model for studying the jet flow. Its boundary changes with time. I need only a slice of data to analyze (namely, the cross section of the tube model), but with very small time step. If I save the whole model with every time step ( 1/10,000 s), the pstt file will be too huge. So, I want to know how I can save only a slice data of the model with very dense time steps.

Your suggestions will be highly appreicated.

Leon
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Old   August 25, 2005, 05:59
Default Re: How to save only a slice,not the whole data?
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4xF
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Why don't you make the simulation on a slice only (instead of doing it fully 3D)? If you are performing a DNS and averaging over time and homogeneous directions, you should output the data you should in a given format (using the POSDAT.f subroutine) that you can postprocess afterwards. You can do a dump as often as you want and the data dump should be minimal.

Hope this helps.
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Old   August 25, 2005, 10:27
Default Re: How to save only a slice,not the whole data?
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Leon
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Hi, 4xf, Thank you very much for your help. The reason I still use 3D is that I need more than one slice in different directions. I previously thought I could do it in GUI. Sigh, have to look at those subrotinues

Thank you very much Leon
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Old   August 25, 2005, 10:55
Default Re: How to save only a slice,not the whole data?
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leon
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Hi, 4xf it seems that posdat.f subrotinue is for data print. While I want to post data and save them as files, do I still need to use this subrotinue? Thanks Leon
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