Page 260 - Finite Element Analysis with ANSYS Workbench
P. 260

3
                                 12.3 Academic Example                                     251





















                                       Choose  and  double-click  on  Contours  and  select Veloci-
                                                                 w
                                        ty… under the Contours of with Stream Function option.
                                                                                       o
                                                        n


















                                               c
                                                        o
                                     12.3.2  Mach 3 Flow over Cylinder
                                            Inviscid  flow  over  a  cylinder  is  another  classical
                                                                                       c
                                                                  c
                                               i
                                                                             l
                                                                 m
                                                                                       o
                                              a
                                    m
                                 example normally used to study compressible flow behavior.  The
                                                                            w
                                                                                      n
                                 flow  field  consists  of  a  bow  shock  wave  with  varying  flow
                                                                   c
                                   w
                                              n
                                                                            A
                                 properties  behind  it.    We  will  use  Fluent  in  ANSYS  to  provide
                                                                   F
                                                        e
                                    p
                                              i
                                                                                       i
                                   u
                                                        o
                                 solutions  of  a  Mach 3 flow  over  0.3  meter  diameter  cylinder  as
                                                                             a
                                                                             o
                                    w
                                                                                       m
                                 shown  in  the  figure.    The  problem  statement  of  the  symmetrical
                                                         e
                                              f
                                                                                       a
                                               b
                                 flow  domain,  boundary  conditions  and  fluid  properties  are  also
                                   w
                                                                             p
                                                                   a
                                                        c
                                 shown in the figure.
                                              g
                                    w
   255   256   257   258   259   260   261   262   263   264   265