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YEFU大人

新虫 (小有名气)

[求助] CFX批量计算 已有1人参与

请问有大佬可以将CFX-Pre计算的时候改成依次计算每一个.def文件吗?不是一次性让它都在计算,这样就可以算完一个先看一个

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YEFU大人

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引用回帖:
2楼: Originally posted by klzg77541812 at 2019-07-17 09:38:31
用command去控制吧,分为多行,算完一个,你就可以看一个了,具体命令如下,仔细看看
Answer:

The steps below assume that ANSYS CFX 19.2 is installed on a supported operating system and no firewalls ar ...

谢谢!但是有点不懂~

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klzg77541812

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NVH-FEA工程师

【答案】应助回帖

感谢参与,应助指数 +1
用command去控制吧,分为多行,算完一个,你就可以看一个了,具体命令如下,仔细看看
Answer:

The steps below assume that ANSYS CFX 19.2 is installed on a supported operating system and no firewalls are blocking communication across multiple computers is that is in use, CFX and HPC licenses are available.
This Solution could be reused for other recent versions going back to 18.2 with changes to the v### in the path

This also assumes you have working knowledge of Command Prompt on Windows OR terminal on Linux.
If you are not comfortable with command lines, please request assistance from your Organization's IT administrator.

Installation and Paths
On Windows
Default Installation path is
C:\Program Files\ANSYS Inc\
and CFX solver is in
C:\Program Files\ANSYS Inc\v192\CFX\bin\
You can try including this to the PATH or use the full path to cfx5solve

On Linux if /ansys_inc softlink was created to the installation location then below is the path to cfx5solve
/ansys_inc/v192/CFX/bin/

Test model and working directory
Create a Working Directory preferable a path without spaces or special characters

on Windows
say C:\temp\cfxtest\test1

on Linux try /home/cfxtest

Copy the example file below to the working directory in above

Windows
C:
cd \temp\cfxtest\test1
copy "C:\Program Files\ANSYS Inc\v192\CFX\examples\StaticMixer.def" .


Linux
cd /home
cp /ansys_inc/v192/CFX/examples/StaticMixer.def ./

Here are the steps to run CFX solver in different modes

Serial Mode, uses 1 core
On Windows
"C:\Program Files\ANSYS Inc\v192\CFX\bin\cfx5solve.exe" -batch -serial -def StaticMixer.def

On Linux
/ansys_inc/v192/CFX/bin/cfx5solve -batch -serial -def StaticMixer.def

Local machine only (Shared Memory Parallel) on one node change the command line flags to

-batch -par -def StaticMixer.def -par-local -part 10

Local machine only (Distributed Memory Parallel) on one node change the command line flags to
-batch -par -def StaticMixer1.def -par-dist "node01*2"

NOTE: if you are on a headnode or loginhnode say hostname node00, then do not run the above from node00. ssh to node01 and run from there. The first node in the list should be the node you are running the command line from.

To run across nodes on Linux
On Linux passwordless ssh needs to be enabled.

-batch -par -def StaticMixer1.def -par-dist "node01*2,node02*2"

To force a particular start method from command line, this example shows Intel MPI distributed Parallel

-batch -par -def StaticMixer1.def -par-dist "node01*2" -start-method "Intel MPI Distributed Parallel"

For Debugging purposes
add flag "-v" at the beginning without quotes

To stop an existing solve say the first run, you can use the command. Be sure to run the command in the folder which contains the directory being referenced.

Windows
"C:\Program Files\ANSYS Inc\v19.x\CFX\bin\cfx5stop.exe" -directory StaticMixer_001.dir

Linux
/ansys_inc/v19.x/CFX/bin/cfx5stop -directory StaticMixer_001.dir

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