Fluent Installation

The first step is to upload the install files by following the steps in ‘Creating a S3 bucket’. The following example is assuming Fluent 2020R2, however a similar process could be followed for other versions of Fluent.

Please note that at present Fluent is only available for x86 e.g Intel, so you cannot use Fluent on an Arm cluster if you created one in Section 3.

Assuming you’ve done that, lets connect to the cluster via DCV:

 pcluster dcv connect cfd -k ~/cfd_ireland.pem --show-url

Open a terminal, then lets check what’s in our S3 bucket:

 aws s3 ls bucketname

You should see the contents of the bucket listed which should include the installation files. Proceed to type the following commands which will download the installation file from your S3 bucket to the cluster.

Lets firstly move to our FSx disk by typing:

 cd /fsx/

Then lets create a Fluent folder

 mkdir /fsx/Fluent/
 cd /fsx/Fluent/

Then we can copy the installation file from our S3 bucket there:

 aws s3 cp s3://bucketname/FLUIDSTRUCTURES_2020R2_LINX64.tar .

We then need to untar it:

 tar -xf FLUIDSTRUCTURES_2020R2_LINX64.tar

We can then run the INSTALL command


This will bring up a GUI window, as shown below, which you can follow through to install various ANSYS packages using Fluent (this depends on your license agreements with ANSYS):


After clicking the install fluent option you’ll have to accept the license agreement and then select where to install. Make sure to pick your /fsx mount point as shown below:


You’ll then be asked to enter your license IP, this could be on an EC2 instance or your on-prem, assuming you have a VPN or ports opened up. Please reach out to your AWS account team if you would like advice on the best architecture to securely access your licenses.


Finally you can select the packages you want to install and continue next until the installation is complete.


Once the installation is complete, please move onto the next section.