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Subject: Re: *MOPER with beta MAP function...
Author: John Swanson
Date: 2001-07-11 08:05:00

Sorry, the MAP function does not require any elements. It works strictly
with the points given in the command. The triangles (tetrahedrons) are
internal concepts only, not elements.
I assume by "setting out-of-bounds points to zero" you mean to
set the results at the out-of-bounds points to zero.
John Swanson
Swanson Analysis Services, Inc.

> -----Original Message-----
> From: May, Gordon [SMTP:Gordon.May@r...]
> Sent: Wednesday, July 11, 2001 3:46 AM
> To: 'xansys '
> Subject: RE: [XANSYS] *MOPER with beta MAP function...

> Presumably when you say "The procedure looks for each point in all
> possible
> triangles (tetrahedrons)", the search is limited to only those which are
> currently selected? If not, this might be a simple way of speeding things
> up.

> Certainly your suggestion of three possible outcomes for an out-of-bounds
> point are all useful: a good overcheck to make sure that the map is
> oriented correctly with the model (and of similar size & shape) would be
> first to map on setting out-of-bounds points to zero.

> Regards,
> Gordon May
> Principal Technologist - Stress Methods
> Compressor Key System
> Tel.: +44 1332 2 44041
> Fax: +44 1332 2 44874
> e-mail: Gordon.May@r...

> "If you speak to him of a machine for peeling a potato, he will pronounce
> it
> impossible: if you peel a potato with it before his eyes, he will declare
> it
> useless, because it will not slice a pineapple."
> Charles Babbage

> > From: John Swanson[SMTP:john.swanson@a...]
> > Sent: 11 July 2001 02:09
> > To: 'xansys '
> > Cc: John Swanson
> > Subject: RE: [XANSYS] *MOPER with beta MAP function...

> > The procedure looks for each point in all possible triangles
> > (tetrahedrons), and if it
> > does not fall inside or on the edge (face) of any triangle
> (tetrahedron),
> > it
> > assumes that it is outside the region.
> > Thus there is no fast way of determining if a point is 'out of bounds'.
> > What it does to the out of bounds values could be modified.
> > Possibilities include:
> > 1. Nearest edge value
> > 2. Zero
> > 3. Extrapolated value

> > Comments?

> > John Swanson
> > Swanson Analysis Services, Inc.

> > > -----Original Message-----
> > > From: Mike McNamee [SMTP:mcnamee@p...]
> > > Sent: Tuesday, July 10, 2001 8:59 PM
> > > To: 'xansys '
> > > Subject: [XANSYS] *MOPER with beta MAP function...

> > > Dear xansys,

> > > Does anybody know if there is a way to turn off the 'out of bounds'
> > > extrapolation with the new beta (v5.7) 'MAP' option for *MOPER? I'd
> > like
> > > to see it just return zero (rapidly) instead of an extrapolated value
> > > (slowly). Or, at least is there an undocumented flag that can be
> > checked
> > > to
> > > see which of the last mapped points were within the domain so as to
> stop
> > a
> > > macro from continuing to look at them?

> > > Thanks,
> > > Mike McNamee
> > > PADT

> > > Michael R. McNamee
> > > Analytical Engineer
> > > CFD & Multi-Discipline Simulation
> > > Phoenix Analysis & Design Technologies
> > > 1465 N. Fiesta Boulevard, Suite 107
> > > Gilbert, AZ 85233

> > > mike.mcnamee@p...
> > > www.padtinc.com

> > > Phone: (480) 813-4884
> > > Fax: (480) 813-4807

Posts possibly associated with message #25802AuthorDateScore
25781*MOPER with beta MAP function...Mike McNamee2001/07/10 
25782Re: *MOPER with beta MAP function...John Swanson2001/07/10 
25783Re: *MOPER with beta MAP function...Mike McNamee2001/07/10 
25793Re: *MOPER with beta MAP function...Gordon May2001/07/11 
25802Re: *MOPER with beta MAP function...John Swanson2001/07/11 
25806Re: *MOPER with beta MAP function...Gordon May2001/07/11 
25822Re: *MOPER with beta MAP function...Mike McNamee2001/07/11 
25823Re: *MOPER with beta MAP function...John Swanson2001/07/11 
25830Re: *MOPER with beta MAP function...Mike McNamee2001/07/11