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I am doing a tensile test analysis; however my analyses take too long on my computer. What should I change at engine file in order to accerelate my analyses.
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Many factor to consider in your case :
Many factor to consider in your case : Size of your simulation (number of nodes, elements, BC, Loads,....) Capacity of your hardware (CPU, memory,....) Convergence of analysis
I simplied my model as much as possible. I want to reduce iteration number of the analysis
Ismail,
Can you reduce the run time if possible?
Ismail, Can you reduce the run time if possible?
Thank you for your help,
How can I reduce it? Should I reduce (/RUN /TSTOP:10) to a smaller time ? What happen if I increase /TFILE time frequency higher than 0.01?
Yes, reduce the /RUN/TSTOP.
reducing TFILE frequency increases the updates the time history file (T01) within less time intervals. So it will not reduce your total analysis time.,
Yes, reduce the /RUN/TSTOP. reducing TFILE frequency increases the updates the time history file (T01) within less time intervals. So it will not reduce your total analysis time.,
If I increase TFile frequency, what happens to analysis time. In addition; my default value for ANIM/DT Tfreq is 0.5. Should I change it in order to reduce analysis time
Thank you four your help
Increasing TFILE fequency will update the T01 more frequently.
It may not help you to reduce the simulation time.
Also, what is the unit system used for TIME in your model and what are you simulating exactly?
You may reduce the RUN TIME to reduce the simulation time.
Increasing TFILE fequency will update the T01 more frequently. It may not help you to reduce the simulation time. Also, what is the unit system used for TIME in your model and what are you simulating exactly? You may reduce the RUN TIME to reduce the simulation time.
Thank you;
I am doing a tensile test to a new composite material I am working on. Its size is not equal to the part at the tensile test tutorial; that's why analysis takes longer. I am using seconds.
In addition,
I have 8 gb ram available but, analysis only uses 3 gb ram. 4 gb ram remains unused. How can I assign more ram to analysis?
Thank you in advance;
Hi,
Explicit analysis is not Ram intensive.But to reduce your solution time you can add multiple cpu.
For Radioss:
Memory is allocated automatically by RADIOSS Starter. The /MEMORY card is skipped, as the memory is automatically adjusted.
At the bottom of the output file, one can check the memory used for the Starter and needed for the Engine on one processor. It is given in kilowords and to get the real memory one has to perform the following operation:
Memory (bytes) = 8*number of real words + 4*number of integer words
As a general rule, 100MB are needed for 100,000 elements.
Hence it automatically calculates the RAM usage.
Hope it helps..
Regards
Rahul R
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