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April 11, 2011, 16:16 |
Mesh refinement with Field Functions - error
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#1 |
New Member
Dan Chambers
Join Date: Dec 2010
Posts: 14
Rep Power: 16 |
Hi all,
I'm trying to refine my mesh through the use of field functions in order to increase the mesh density at the vortex core of a delta wing. To do this I'm using Lambda 2 as the scalar parameter with the following field function: ($Lambda2 < -10000 && $Lambda2 > -20000000)? 0.00175:0.02 Which to my understanding should mean that any area with a value between -10,000 and -20,000,000 should have the mesh refinemnt to a size of 0.00175m, and any other area 0.02m. I have applied this to an XYZ table before applying the mesh table to the polyhedral mesher in the continua-mesh-models-Polyhedral mesher node. When I run this, a mesh seems to be generated through to the data being interpolation from the old mesh to the new mesh, however at this point I recieve a floating point error saying the resulting mesh will be deleted with the following error in the script bar: Error during volume meshing, deleting resulting mesh A floating point exception has occurred: floating point exception [Invalid operation]. The specific cause cannot be identified. Please refer to the troubleshooting section of the User's Guide. Command: GenerateVolumeMesh CompletedCommand: GenerateVolumeMesh In: [Machine::main] Slave Message: Slave Name: Proc[0] Slave Rank: 0 error: Server Error Has anyone experienced this error before/ or can advise me on any steps to take to try and get a successful refinement mesh? Many thanks Dan Chambers |
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June 25, 2011, 21:52 |
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#2 |
New Member
Abdullah Karimi
Join Date: Nov 2010
Posts: 29
Rep Power: 16 |
hey I am facing the same problem but still unable to figure out the reason. let me know if you get rid of this problem..
thanx |
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June 27, 2011, 16:42 |
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#3 | |
Member
Join Date: Apr 2011
Location: US
Posts: 43
Rep Power: 15 |
Quote:
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June 27, 2011, 16:50 |
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#4 |
New Member
Abdullah Karimi
Join Date: Nov 2010
Posts: 29
Rep Power: 16 |
I ran volume mesher directly along with surface remesher...
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July 6, 2011, 10:52 |
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#5 |
Senior Member
Ryne Whitehill
Join Date: Aug 2009
Posts: 312
Rep Power: 19 |
Did you ever figure out where your error is coming from?
I am getting an error as well: Code:
starting: Apply Global Limits Error during surface remeshing, deleting resulting mesh Cannot find any close point Command: GenerateSurfaceMesh CompletedCommand: GenerateSurfaceMesh In: [Machine::main] Recoverability: Non-recoverable ServerStack: [ libStarNeo.so: NonRecoverableError::createInitializerProperties(Properties const&), libStarNeo.so: NonRecoverableError::NonRecoverableError(std::string const&, Properties const&, std::string const&), libStarNeo.so: Controller::executeCommand(Command&, Properties const&, Properties&), libStarNeo.so: Controller::processCommands(), libStarMachine.so: CommandController::SerialMasterCommandLoop::start(), libStarMachine.so: CommandController::processCommands(), libStarMachine.so: Machine::startServerHost(int, char**, std::map<std::string, unsigned int, std::less<std::string>, std::allocator<std::pair<std::string const, unsigned int> > >&), libStarMachine.so: Machine::main(int, char**), star-ccm+, libc.so.6(__libc_start_main+0xf4), star-ccm+] |
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July 6, 2011, 15:50 |
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#6 |
New Member
Dan Chambers
Join Date: Dec 2010
Posts: 14
Rep Power: 16 |
Hey mate, sorry for the late reply!
The way I found arround it was to run a trimmer mesh with the AMR table, create the mesh and then switch to the poly mesher with the same AMR table and it successfully meshed everytime. Guessing its just a qwerk in the software! Dan |
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July 6, 2011, 16:32 |
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#7 | |
Senior Member
Ryne Whitehill
Join Date: Aug 2009
Posts: 312
Rep Power: 19 |
Quote:
Thank you for the info, I will give it a try. Hopefully it fixes my problem, even though it is slightly different than yours. We just got v6.04 installed on our workstations today, I will see if the quirk got fixed between the versions before I try your method. |
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January 30, 2014, 09:01 |
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#8 |
New Member
bharadwaj karthik
Join Date: Oct 2013
Posts: 4
Rep Power: 13 |
Hello i am facing the similar problem when i am trying to implement a filed function and i'm using trimmer mesh .Can someone post in detail about generating surface or volume mesh using field functions table?Thanks!!
Regards Karthik |
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