How do I prepare a Grid in OpenFoam???

grid

Looking at Boundary Condtions for OpenFoam

https://cfd.direct/openfoam/user-guide/v6-plateHole/#x6-4024418

dimensions      [0 1 0 0 0 0 0];


https://cfd.direct/openfoam/user-guide/v6-basic-file-format/

Stress Analysis on a plate with Hole

OpenFOAM v6 User Guide: 2.2 Stress analysis of plate with hole

https://cfd.direct/openfoam/user-guide/v6-plateHole/#x6-390002.2

is the same as:

stressAnalysis/solidDisplacementFoam/plateHole/

Open Rocket Screenshot

How do they get the thrust curve??

Perhaps this way??
https://billsrockets.blogspot.com/2017/01/measuring-trust-of-rocket-motors.html

openfoam screenshots

Explorations with OpenFoam

To CFD, or Not to CFD?

https://www.linuxjournal.com/content/cfd-or-not-cfd

Lid Driven Cavity Flow:

https://www.openfoam.com/documentation/tutorial-guide/tutorialse2.php

Edit (September 9, 2016):  how to set up tutorials:

cd $FOAM_RUN/tutorial
mkdir -p $FOAM_RUN
cp -r $FOAM_TUTORIALS $FOAM_RUN
cd $FOAM_RUN/tutorials
echo $FOAM_RUN