Q. How many particles are required for a good solution.
A. Each CFX particle represents a sample of real particles that all follow an identical path and thus represents an averaged track for the mass associated with that particle. Typically the mass associated with each CFX particle will represent many thousands or millions of actual particles. The basic idea is to choose enough particles to get a representative sample of all possible tracks. For example, as an extreme case, if all your real particles followed a single path by falling straight down under gravity from a single point then you would only need a single CFX particle track to adequately simulate this. Typically most people set between a few tens to a few hundreds of particles.
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Q. How many particles are required for a good solution. A. Each CFX particle represents a sample of real particles that all follow an identical path and thus represents an averaged track for the mass associated with that particle. Typically the mass associated with each CFX particle will represent many thousands or millions of actual particles. The basic idea is to choose enough particles to get a representative sample of all possible tracks. For example, as an extreme case, if all your real particles followed a single path by falling straight down under gravity from a single point then you would only need a single CFX particle track to adequately simulate this. Typically most people set between a few tens to a few hundreds of particles. |
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