Adjusts chevalier_etal_2024 example for testing by Pierre

cc: @prj-
Related to FreeFEM PR#397: FreeFem/FreeFem-sources#397

Author: cmdoug

examples/chevalier_etal_2024/README.md

@@ -100,7 +100,7 @@ ff-mpirun -np $nproc basecompute.md -v 0 -dir $workdir -fi S0p0Re10lg.base -fo j
 
 3. Continue base state along the parameter $1/Re$. NOTE: This problem becomes very poorly scaled at high $Re$, meaning numerical issues may arise and require workarounds.
 ```sh
-ff-mpirun -np $nproc basecontinue.md -v 0 -dir $workdir -fi jet_adapt_0.base -fo jet_adapt -param 1/Re -h0 -1 -scount 4 -maxcount 100 -mo nozzle_adapt -err 0.1 -anisomax 3 -thetamax 0.01 -snes_max_it 50 -hmin 1e-5
+ff-mpirun -np $nproc basecontinue.md -v 0 -dir $workdir -fi jet_adapt_0.base -fo jet_adapt -param 1/Re -h0 -1 -scount 4 -maxcount 100 -mo nozzle_adapt -err 0.1 -anisomax 3 -thetamax 0.01 -snes_max_it 50
 ff-mpirun -np $nproc basecompute.md -v 0 -dir $workdir -fi jet_adapt_100.base -fo jet_adapt_101 -mi nozzle_lg.msh -1/Re 5.0e-5
 ff-mpirun -np $nproc basecompute.md -v 0 -dir $workdir -fi jet_adapt_101.base -fo jet_adapt_102 -1/Re 3.0e-5
 ff-mpirun -np $nproc basecompute.md -v 0 -dir $workdir -fi jet_adapt_102.base -fo jet_adapt_103 -1/Re 1.0e-5

examples/chevalier_etal_2024/nozzle_lg.geo

@@ -24,7 +24,7 @@ Point(4) = {-R, H, 0, 1000*r};
 // Actual nozzle
 Point(5) = {-R, R,   0, r};
 Point(6) = {-R, R+h, 0, r};
-Point(60) = {0, R+hh,   0, r};
+Point(60) = {0, R,   0, r};
 Point(7) = {0, R,   0, r};
 // Most refined area
 Point(8)  = {-w*R,      R,   0, r};

examples/chevalier_etal_2024/nozzle_sm.geo

@@ -27,7 +27,7 @@ Point(6) = {L-R, H, 0, 750*r};
 // Actual nozzle
 Point(9)  = {-R, R,   0, r};
 Point(10) = {-R, R+h, 0, r};
-Point(110) = {0, R+hh,   0, r};
+Point(110) = {0, R,   0, r};
 Point(11) = {0, R,   0, r};
 // Most refined area (left)
 Point(12) = {-w*R,      R,   0, r};