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Osnosimetrični tok s prosto površino : disertacijaMejak, GeorgePredstavljena je numerična obravnava osnosimetričnega curka na oviro, s prosto površino, v okviru potencialne teorije, z upoštevanjem sile težnosti in površinske napetosti. Uporabljena je metoda ... poskusi in popravi pri formulaciji naloge s Stokesovo tokovno funkcijo. Osnova za numerečno reševanje robne je transformacija ▫$\psi =\sqrt{r}u$▫, ki prevede robno nalogo za ▫$\psi$▫ v robno nalogo za ▫$u$▫ s singularnim prostim členom. Za te vrste nalog je izdelana tudi eksistenčna in regularnostna teorija. Za samo numerično reševanje je uporabljena metoda končnih elementov s poudarkom na izoparametričnem hermitskem elementu.Type of material - dissertationPublication and manufacture - Ljubljana : [G. Mejak], 1991Language - slovenianCOBISS.SI-ID - 27419392
Author
Mejak, George
Other authors
Vencelj, Peter
Topics
mehanika |
hidrodinamika tokov |
matematika |
numerične metode |
parcialne diferencialne enačbe |
prosti osnosimetričen curek |
Stokesova tokovna funkcija |
robna naloga s prosto površino |
singularna variacijska naloga |
prostori Soboljeva z utežjo |
regularnost šibke rešitve |
metoda končnih elementov |
metoda poskusi in popravi |
mechanics |
hydrodynamic fluid flow |
mathematics |
numerical methods |
partial differential equations |
axisymetric free jet empingement |
Stokes streamfunction |
surface tension |
free boundary value problem |
singular variational problem |
weighted Sobolev spaces |
regularity of the weak solution |
finite element method |
trial-and-error method
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Database name | Field | Year |
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Mejak, George | 05069 |
Vencelj, Peter | 00958 |
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