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zw521628

铜虫 (小有名气)

[求助] 离散相模型,

离散相模型,怎样激活‘信息传递选项’啊

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tsaipu

铜虫 (初入文坛)


xiegangmai: 金币+1, 谢谢参与! 2013-03-27 21:45:45
When tracking particles in parallel, the DPM model cannot be used with any of the multiphase flow models (VOF, mixture, or Eulerian) if the Shared Memory option is enabled. (Note that using the Message Passing option, when running in parallel, enables the compatibility of all multiphase flow models with the DPM model.)
The Shared Memory option is implemented using POSIX Threads ( pthreads) based on a shared memory model. Once the Shared Memory option is enabled, you can then select along with it the Workpile Algorithm and specify the Number of Threads. By default, the Number of Threads is equal to the number of compute nodes specified for the parallel computation. You can modify this value based on the computational requirements of the particle calculations. If, for example, the particle calculations require more computation than the flow calculation, you can increase the Number of Threads (up to the number of available processors) to improve performance. When using the Shared Memory option, the particle calculations are entirely managed by the FLUENT host process. You must make sure that the machine executing the host process has enough memory to accommodate the entire grid.
6楼2013-03-27 10:53:45
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hawking533

木虫 (小有名气)

【答案】应助回帖


感谢参与,应助指数 +1
xiegangmai: 金币+1, 谢谢参与! 2013-03-26 21:19:46
是不是和你的计算环境有关,比如是并行机还是单机并行?
2楼2013-03-26 17:52:16
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5超7

至尊木虫 (著名写手)

菜鸟

【答案】应助回帖


感谢参与,应助指数 +1
xiegangmai: 金币+1, 谢谢参与! 2013-03-27 10:42:58
并行计算的话,这里才会激活!
我要奋斗到底
3楼2013-03-27 07:51:02
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legendglh

铁虫 (正式写手)

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感谢参与,应助指数 +1
xiegangmai: 金币+1, 谢谢参与! 2013-03-27 10:43:04
刚进入fluent时,需要选择并行模式才行。
不断学习,虚心请教。
4楼2013-03-27 09:45:04
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