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{ EXPORT.PDE

 

 This sample demonstrates the use of several forms of data export selectors.

 All exports use the default file naming conventions, which append modifiers

 to the problem name.

 

 A heat flow problem is solved on a square for example purposes.

 

}

title "Demonstrate forms of export"

 

variables

   Temp                

definitions

   K = 1                        

   source = 4                  

   Texact = 1-x^2-y^2    

   flux=magnitude(K*grad(Temp))

Initial values

   Temp = 0                    

equations

   Temp: div(K*grad(Temp)) + source = 0    

boundaries                      

  Region 1                    

      start "BDRY" (-1,-1)    

      value(Temp)=Texact      

      line to (1,-1)              

            to (1,1)

            to (-1,1)

            to close                

monitors

  contour(Temp)              

plots                            

  { this contour plot exports graphic images in four formats:

       ( notice that the BMP file is 46 times larger than the other formats!)  }

  contour(Temp) PNG EPS EMF BMP

  { export temperature and flux in NetCDF format }

  cdf(temp,flux)

  { export FlexPDE TABLE format }

  table(temp)

  { export temperature and flux in TecPlot format }

  tecplot(temp,flux)

  { export temperature and flux in linearized VTK format }

  vtklin(temp,flux)

end