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Alan

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About Alan

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    Beginner

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  • Country
    Canada
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    Yes
  1. I have built my model in altair optistruct but i want to export it as nastran bdf file to do analysis in Nastran. However, I am not able to find contact surfaces and contact interfaces bulk data in bdf file. I dont know what's going on there.
  2. Hi @tinh, Thank you very much! basically there is a check control card. I deleted it and solver does analysis now. One more thing, since it is a for loop. what command is used to close the hwsolver after analysis is finished? Regards, Alan
  3. Hello, Before static analysis, i set system as my defined coordinate system. because i need normal stress data for the cylinder. I want to output a stress data file that shows stress data of each element in local system. But the value i got in STRS file is for global system using global_output_request control card. How do i obtain the local stress data? Regards, Alan
  4. Hello @tinh, I did. And it indicates that check only if i ran it manually, it is working as shown below. Thank you! Alan
  5. @tinh Is this the one you are looking for? I open one of its OUT file. Run Type indicates Check Only Thank you Alan
  6. Hello @tinh, It works when i run the analysis manually. Where should i go to check error? Alan
  7. Yeah i understand that i can change it to "E" and "rho". @Mrt but what i meat was to have E and rho with a relationship in between. assume E = 0.5 * rho. each value of rho corresponds to only one E value.
  8. Hi, I imported model from Hypermesh. For output response in setup, one response is normal stress of one part of my model. How can i choose a specific component's stress value as my output response? Thank you Alan
  9. Hello, Is there a way i can create a customized design variable? I want relative density as design variable. and in that case, Young's Modulus(E) and density (Rho) will change accordingly with customized relationship function between relative density and E/Rho Thank you, Alan
  10. Hello @tinh, I added -analysis at the end but it doesnt seem to be working. I find that there are err-5280.out and other files popped out when running. #create new folder md "implant static analysis$i" *createstringarray 4 "model=1" "overwrite=1" "title=0" "result=0" *writeh3dwithoptions "C:/Users/sihao/Desktop/COOP/2018 Summer/Dental Implant/tcl/implant static analysis$i/Beam$i.h3d" 1 2 *createstringarray 1 "CONNECTORS_SKIP " *feoutputwithdata "C:/Program Files/Altair/2017-edu/templates/feoutput/optistruct/optistruct" "C:/Users/sihao/Desktop/COOP/2018 Summer/Dental Implant/tcl/implant static analysis$i/beam_r_4_l_10$i.fem" 1 0 2 1 1 "C:/Program Files/Altair/2017-edu/hwsolvers/scripts/optistruct.bat" "C:/Users/sihao/Desktop/COOP/2018 Summer/Dental Implant/tcl/implant static analysis$i/beam_r_4_l_10$i.fem" -analysis Alan
  11. Hello @tinh, I added -analysis at the end but it doesnt seem to be working. I find that there are err-5280.out and other files popped out when running. Also, is there command for opening graphical interface to monitor the process? that solver view? Thanks in advance, Alan
  12. Hello, I used following commands to run analysis but it created only h3d, fem, out, and stat files. I open out file and it says checking only completed. so there is no analysis process. #create new folder md "implant static analysis$i" *createstringarray 4 "model=1" "overwrite=1" "title=0" "result=0" *writeh3dwithoptions "C:/Users/sihao/Desktop/COOP/2018 Summer/Dental Implant/tcl/implant static analysis$i/Beam$i.h3d" 1 4 *createstringarray 1 "CONNECTORS_SKIP " *feoutputwithdata "C:/Program Files/Altair/2017-edu/templates/feoutput/optistruct/optistruct" "C:/Users/sihao/Desktop/COOP/2018 Summer/Dental Implant/tcl/implant static analysis$i/beam_r_4_l_10$i.fem" 1 0 2 1 1 "C:/Program Files/Altair/2017-edu/hwsolvers/scripts/optistruct.bat" "C:/Users/sihao/Desktop/COOP/2018 Summer/Dental Implant/tcl/implant static analysis$i/beam_r_4_l_10$i.fem" Thank you
  13. Hello @tinh, what tcl commands are used to open, read and retrieve the data? Regards, Alan
  14. Hello, I just started learning automation using tcl. I dont know how to read stress or strain results using tcl after static analysis in hypermesh. Because i need to have stress and strain results from each element to customize objective functions. I think i should be able to read them from h3d or res file. but i dont know how. Thank you Alan
  15. Hi @tinh, Also, If i want to do optimization analysis, where do i need to change to run optimization instead analysis? Thank you, Alan
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