Ls Dyna Mpp Version Installation / running doubt

[Akhil Sreekumar]

Hallo Everyone,

Im currently Installing  a Ls Dyna licensed Version at my University and i want to run it in MPP version.

I have seen in LS RUN that all necessary solver and other options are already available.

I read about the necessity of an MPI (Message Passing Interface) to make it work.

After installation of the MPI, is there anything more that is necessary to be done ? 

Also if it Runs , is there any changes i need to make to my keyword file ? 

As always Thankyou for all your help and all answers are welcome 

[James Kennedy]

Dear Akhil,

 

From my testing,, I believe that the MPI (Message Passing Interface) has already been installed in the

package you received from your distributor. Once you have download the package and prepared to run

a simulation using MPP, you will observe the “mpiexec” in the EXPRESSION and PREVIEW echoes.

(example given here). No specific changes should be needed in the keyword file. If you have questions

regarding MPP vs SMP, simply rune some test cases and make comparisons.

 

SOLVER:  C:\Program Files\LSTC\LS-DYNA\R13.1\ls-dyna_mpp_d_R13.1_138-g8429c8a10f_winx64_ifort190_msmpi.exe

 

EXPRESSION: mpiexec -c $NCPU -aa "$SOLVER" i=$INPUT memory=$MEMORY

 

PREVIEW: mpiexec -c 4 -aa "C:\Program Files\LSTC\LS-DYNA\R13.1\ls-dyna_mpp_d_R13.1_138-g8429c8a10f_winx64_ifort190_msmpi.exe" i=C:\Shared\mostafa_hosseini\poly_sheath_ale\paper2.k memory=32m

 

Sincerely,

James M. Kennedy

KBS2 Inc.

December 21, 2022

 

Taken from attached notes:

 

LS-Run comes bundled with MS-MPI which makes it very easy to get started running MPP version of

LS-DYNA. The Preset option provides an easy way to change both SOLVER and Expression and with

a single click you can choose the right option for your analysis: SMP or MPP and single or double

precision. If needed, these Presets can be changed from the defaults settings by using the “Set” button.

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[James Kennedy]

Dear Akhil,

 

See if you can find the following link:

 

https://www.google.com/search?cs=0&sxsrf=ALiCzsb4R8qooJ7WsSYd7LCU5Tc0DYrXeg:1671650880509&q=LS-Run&sa=X&ved=2ahUKEwiuo6vnuIv8AhUUUzUKHVeSB3EQpboHKAJ6BAgBEAY&biw=1920&bih=937&dpr=1#fpstate=ive&vld=cid:4a20cd54,vid:ymkTJCefm30,st:0

 

The license you have obtained from your distributor will dictate the number of cores you can use.

[Akhil Sreekumar]

Thank you very much James.