Hi Shujie Did you ever get to the bottom of this issue? Cheers, Spencer. On 16 Jul 2019, at 16:32, 蒋树杰 <anjsj@126.com<mailto:anjsj@126.com>> wrote: Hi All, I am using the Coordinate transformations for generating the wavy wing. <!-- This function imposes the wavy wing profile. --> <FUNCTION NAME="Mapping"> <E VAR="x" VALUE="x - wavyAmplitude/2 * cos(2*PI*z/wavyLambda)" /> </FUNCTION> <MAPPING TYPE="XofZ"> <COORDS>Mapping</COORDS> </MAPPING> When the computation is finished, I use FieldConvert -m mapping wavyWing-aoa12.xml wavyWing-aoa12.fld wavyWing-aoa12.plt to get the result. But in tecplot, I can not see the deformed geometry. The first picture is the slices on y=0. <image.png> If someone is familiar with this, please no hesitate to contact me. Many thanks for your guys! Shujie University of Southampton _______________________________________________ Nektar-users mailing list Nektar-users@imperial.ac.uk<mailto:Nektar-users@imperial.ac.uk> https://mailman.ic.ac.uk/mailman/listinfo/nektar-users Spencer Sherwin FREng, FRAeS Head, Aerodynamics, Director of Research Computing Service, Professor of Computational Fluid Mechanics, Department of Aeronautics, s.sherwin@imperial.ac.uk<mailto:s.sherwin@imperial.ac.uk> South Kensington Campus, Phone: +44 (0)20 7594 5052 Imperial College London, Fax: +44 (0)20 7594 1974 London, SW7 2AZ, UK http://www.imperial.ac.uk/people/s.sherwin/