Is there a maximum limit for particle histories in MCNPX input files?

In summary, the maximum limit for the number of particle histories in an MCNPX input file is determined by the memory and storage capacity of your computer. While there is no set limit, it is recommended to keep the number within a reasonable range to avoid performance issues and consider the size and time of the simulation. The MCNPX manual can provide more information on this topic.
  • #1
K Chy
1
0
Hi,
I would like to know if there is any maximum limit for number of particle histories can be used in mcnpx input file.
Thank you.
Regards,
 
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  • #2
Welcome to PF!

You might find the answer in the MCNPX manual:

http://www.mcnp.ir/admin/imgs/1354175991.C715.PDF
 
  • #3

Hi there,

The maximum limit for the number of particle histories in an MCNPX input file is determined by the memory and storage capacity of your computer. MCNPX does not have a set limit for the number of particle histories that can be used, but it is recommended to keep it within a reasonable range to avoid performance issues. It is also important to consider the size of your input file and the time it takes to run the simulation.

Hope this helps! Let me know if you have any other questions.

[Your username]
 

1. What is MCNPX and what does it stand for?

MCNPX is a Monte Carlo N-Particle eXtended code, used for simulating the transport of particles through matter. It stands for Monte Carlo N-Particle eXtended.

2. What is the maximum allowable NPS in MCNPX?

The maximum allowable NPS (Neutron Per Second) in MCNPX is determined by the user and depends on the computational resources available. However, the recommended maximum NPS is 10 million per processor.

3. How is the maximum allowable NPS determined in MCNPX?

The maximum allowable NPS is determined based on the computational resources available, including the processor speed, memory, and disk space. It is recommended to keep the NPS below 10 million per processor to ensure accurate and efficient simulation results.

4. What are the consequences of exceeding the maximum allowable NPS in MCNPX?

Exceeding the maximum allowable NPS in MCNPX can result in longer simulation times, inaccurate results, or even system crashes. It is important to carefully consider and adjust the NPS based on the available resources to ensure accurate and efficient simulations.

5. Are there any ways to increase the maximum allowable NPS in MCNPX?

Yes, there are ways to increase the maximum allowable NPS in MCNPX, such as using parallel processing, optimizing the code, or upgrading computational resources. However, it is important to keep in mind the recommended maximum NPS of 10 million per processor to ensure accurate and efficient simulations.

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