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On Jul 20, 2023, at 1:47 AM, Sagar G Nayak <nayaks...@gmail.com> wrote:Hi All,I am trying to solve particle sedimentation problem of 504 particles (https://doi.org/10.1016/S0301-9322(98)00048-2) using ConstraintIB. When I define all 504 particles in the input2d, the code throws error. I tried shortening the name of the structures to check whether a reduced string size would help, but it didn't. Is there any limitation on the number of structures that can be given?
Is there any way to define these structures in the main.cpp instead of input2d? I tried, but main.cpp seems to take everything as 'objects'.An example code or any suggestions would be very helpful.( If you are wondering, the code seems to accept num_structures<=143. PFA)Thanks
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On Jul 21, 2023, at 6:19 AM, Sagar G Nayak <nayaks...@gmail.com> wrote:Thank you, Govind for confirming. I doubt that it is not a system limitation. When I used std::ifstream to read 504 vertex files in a separate code, it works just fine.Thank you for the idea of generating structures internally.
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On Aug 17, 2023, at 1:40 PM, Aaron Barrett <bar...@math.utah.edu> wrote:I believe this issue is related to the number of file handles generated by ConstraintIBMethod. Currently, it generates 7 files per structure. With 144 structures, that's 1008 file handles. The default max on some linux systems is 1024.
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On Aug 19, 2023, at 10:35 AM, Amneet Bhalla <mail2...@gmail.com> wrote:In the input file one can specify what to output or not. Although I’m not if empty files are created or not.In any case, I suggest that Sagar can modify the I/O part of ConstraintIBMethod locally to generate a few files that still has all the information that is needed for postprocessing. For example, center of mass position of all structures can be outputted in a single file.
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