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Old   March 20, 2022, 08:46
Default Error running result
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shuqichang
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Hello, this is my first attempt to write a simple example myself in REEF3D. But the results are not very satisfactoryI hope I can get some help here.
Experimental conditions: only regular waves, rectangular floating bodies, including mooring systems (only the simplest conditions can be considered)
The floating body in STL is a rectangular body with a length and width of 5 and a height of 10.
Attached is my running file.In Paraview you can see the rectangular box set up by B 10, but without the mooring system and floating body.
Looking forward to your reply, I would like to express my sincere thanks.
My run results are as follows:

WARNING: Linux kernel CMA support was requested via the
btl_vader_single_copy_mechanism MCA variable, but CMA support is
not available due to restrictive ptrace settings.

The vader shared memory BTL will fall back on another single-copy
mechanism if one is available. This may result in lower performance.

Local host: LAPTOP-VF066KCK
--------------------------------------------------------------------------

REEF3D (c) 2008-2021 Hans Bihs

:: Open-Source Hydrodynamics

v_211130

read ctrl

REEF3D::CFD

initialize fdm
starting ini
creating objects
Surface triangles: 0
Refined surface triangles: 0

initializing fb...

Center of Gravity xg: -nan yg: -nan zg: -nan
Volume Floating Body: 0
Mass Floating Body: 0
Density Floating Body: 500
Moments of Inertia Tensor:
-nan -nan -nan
-nan -nan -nan
-nan -nan -nan

initializing fb...

number of cells: 16000
starting driver_ini
Walldist time: 4.7e-06
initializing level set...

Volume 1: 208.3
Volume 2: 1792
potential flow solver...

lapltime: 0.01959 lapiter: 0

starting mainloop.CFD DF
------------------------------
1
simtime: 0
timestep: 0.01666
Volume 1: 208.3
Volume 2: 1792
lsmtime: 0.00889
Xe: 0 Ye: 0 Ze: 0 Ke: 0 Me: 0 Ne: 0
Catenary solution
Xme0 : -nan Yme0 : -nan Zme0 : -nan Kme0 : -nan Mme0 : -nan Nme0 : -nan

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

piter: 0 ptime: 0.00565
Xe: 0 Ye: 0 Ze: 0 Ke: 0 Me: 0 Ne: 0
Catenary solution
Xme0 : -nan Yme0 : -nan Zme0 : -nan Kme0 : -nan Mme0 : -nan Nme0 : -nan

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

piter: 0 ptime: 0.00419
Xe: 0 Ye: 0 Ze: 0 Ke: 0 Me: 0 Ne: 0
Catenary solution
Xme0 : -nan Yme0 : -nan Zme0 : -nan Kme0 : -nan Mme0 : -nan Nme0 : -nan
XG: -nan YG: -nan ZG: -nan phi: -nan theta: -nan psi: -nan
Ue: -nan Ve: -nan We: -nan Pe: -nan Qe: -nan Re: -nan

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

ERROR detected by Hypre ... BEGIN
ERROR -- hypre_BiCGSTABSolve: INFs and/or NaNs detected in input.
User probably placed non-numerics in supplied b.
Returning error flag += 101. Program not terminated.
ERROR detected by Hypre ... END

piter: 0 ptime: 0.00455
umax: nan utime: 0.00406
vmax: nan vtime: 0.00359
wmax: nan wtime: 0.0045
viscmax: 1.41e-05
kinmax: 0
epsmax: 0
reinitime: 0.0257
gctime: 0.0132 average gctime: 0.0132
Xtime: 0.0543 average Xtime: 0.0543
total time: 0.214451 average time: 0.214
timer per step: 0.214

EMERGENCY STOP -- solver breaking down - NAN values

[LAPTOP-VF066KCK:00031] 3 more processes have sent help message help-btl-vader.txt / cma-permission-denied
[LAPTOP-VF066KCK:00031] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages
Attached Files
File Type: txt ctrl.txt (308 Bytes, 2 views)
File Type: txt control.txt (97 Bytes, 3 views)
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Old   March 21, 2022, 09:07
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Arun Kamath
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Hi Chang,
I won't be able to run your inputs without the stl file that you use for the simulation.

However, I do see some issues with your input.
With wave input, you need the wave boundary in control.txt C 11 6 and wave absorption C 14 7/8
In ctrl.txt you need to then define B 98/ 99 for wave generation and absorption options. Please refer t the tutorial on Numerical wave tank for these inputs.

As you use the stl input with X 180, check if you need the options X181-184 to define the correct size and location of the floating body.

Your problem most likely lies here.


Also useful to provide inputs to X 23 and X24. From the console output, you see that these values are not being calculated automatically. This could also be due to the stl not being read/ represented correctly in the domain.

Lastly, make sure you do have the latest version of the code.

Try these suggestions and we can take another look if your problem is not resolved.
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Team REEF3D
www.reef3d.com
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Old   March 24, 2022, 19:57
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shuqichang
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Hi,
I have corrected it according to your prompt, and finally the content I need can be displayed correctly. Thank you very much for your help.
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