The direct interpolation boundary element technique applied to three-dimensional scalar free vibration problems

2019 ◽  
Vol 108 ◽  
pp. 295-300 ◽  
Author(s):  
J.P. Barbosa ◽  
C.F. Loeffler ◽  
L.O.C. Lara
Keyword(s):  
Free Vibration ◽  
Boundary Element ◽  
Three Dimensional ◽  
Vibration Problems ◽  
Element Technique ◽  
Boundary Element Technique

scholarly journals Boundary element method for internal axisymmetric flow

1999 ◽  
Vol 5 (1) ◽  
pp. 55-81
Author(s):  
Alexander Gokhman ◽  
Dmitry Gokhman
Keyword(s):  
Boundary Element ◽  
Axisymmetric Flow ◽  
Three Dimensional ◽  
Velocity Fields ◽  
Fast Method ◽  
Dimensional Problem ◽  
Practical Application ◽  
Element Technique ◽  
Conditions At Infinity ◽  
Boundary Element Technique

We present an accurate fast method for the computation of potential internal axisymmetric flow based on the boundary element technique. We prove that the computed velocity field asymptotically satisfies reasonable boundary conditions at infinity for various types of inlet/exit. Computation of internal axisymmetric potential flow is an essential ingredient in the three-dimensional problem of computation of velocity fields in turbomachines. We include the results of a practical application of the method to the computation of flow in turbomachines of Kaplan and Francis types.

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