Hi, How do I have to modify airfoil.C in order to add elliptic smoothing??? Regards, jg ----- Original Message ---- From: Bill Henshaw <henshaw@xxxxxxxx> To: freelists <overture@xxxxxxxxxxxxx> Sent: Wednesday, January 30, 2008 5:21:32 AM Subject: [overture] Re: Hyberbolic grid generation without Ogen Hi Dominic, The attached file contains the main program airfoil.C that shows how to generate the naca airfoil grid with the hyperbolic grid generator. I have also attached some new versions of Overture files that you should use, replacing the ones you have. regards, Bill. #DOMINIC DENVER JOHN CHANDAR# wrote: > Hi, > > I'm trying to write up a small code to generate a a grid around an > airfoil without ogen using the HyperbolicMapping class. I followed the > naca.hype.cmd ogen command file and i still think that i have missed > some information in the code since i always end up in getting a negative > volume error (Some problem in the T.E). But the naca.hype.cmd works very > well using ogen...(I've used similar parameters for both the cmd file > and the source code). The code is as follows. Any ways to rectify this > error ?... Many thanks....Dominic > ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ