Yıl 2018, Cilt 22, Sayı 5, Sayfalar 1234 - 1252 2018-10-01
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Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations

Erman Aslan [1] , İlker İnan [2] , İlyas Kandemir [3] , Hasan Rıza Güven [4]

234 304

In the present study, fourth-order compact formulation has been improved for Navier-Stokes (N-S) equations, which is expressed for two-dimensional, steady, incompressible flow problems. N-S equation system has been expressed with Stream Function-Vorticity Approach using Finite Difference Method (FDM) from the numerical methods. In order to test the functionality and applicability of the improved numerical formulation, a sample for submerged bluff bodies, flow problem around cylinder with square cross-section was chosen as a benchmark problem. As a result of applying improved numerical formulation with Gauss-Seidel Relaxation Method was used for this benchmark problem. The benchmark problem was also solved with second-order accuracy and obtained numerical results were compared with fourth-order accuracy numerical results. With the same Reynolds Number and the same free-stream velocity values, fourth-order numerical results are more convergent than second-order numerical results. Furthermore, in the flow field for considered benchmark problem, separation bubble length that consisted in the wake region is increased proportionally depending on the alteration of the Reynolds Number values.

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Birincil Dil en Mühendislik, Makine, Temel Bilimler October 2018 Araştırma Makalesi Yazar: Erman AslanKurum: İSTANBUL ÜNİVERSİTESİÜlke: Turkey Yazar: İlker İnanKurum: İSTANBUL KAVRAM MESLEK YÜKSEKOKULUÜlke: Turkey Yazar: İlyas KandemirKurum: GEBZE TEKNİK ÜNİVERSİTESİÜlke: Turkey Yazar: Hasan Rıza GüvenKurum: İSTANBUL ÜNİVERSİTESİÜlke: Turkey
 Bibtex @araştırma makalesi { saufenbilder334449, journal = {Sakarya University Journal of Science}, issn = {1301-4048}, eissn = {2147-835X}, address = {Sakarya Üniversitesi}, year = {2018}, volume = {22}, pages = {1234 - 1252}, doi = {10.16984/saufenbilder.334449}, title = {Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations}, key = {cite}, author = {Kandemir, İlyas and İnan, İlker and Güven, Hasan Rıza and Aslan, Erman} } APA Aslan, E , İnan, İ , Kandemir, İ , Güven, H . (2018). Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations. Sakarya University Journal of Science, 22 (5), 1234-1252. DOI: 10.16984/saufenbilder.334449 MLA Aslan, E , İnan, İ , Kandemir, İ , Güven, H . "Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations". Sakarya University Journal of Science 22 (2018): 1234-1252 Chicago Aslan, E , İnan, İ , Kandemir, İ , Güven, H . "Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations". Sakarya University Journal of Science 22 (2018): 1234-1252 RIS TY - JOUR T1 - Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations AU - Erman Aslan , İlker İnan , İlyas Kandemir , Hasan Rıza Güven Y1 - 2018 PY - 2018 N1 - doi: 10.16984/saufenbilder.334449 DO - 10.16984/saufenbilder.334449 T2 - Sakarya University Journal of Science JF - Journal JO - JOR SP - 1234 EP - 1252 VL - 22 IS - 5 SN - 1301-4048-2147-835X M3 - doi: 10.16984/saufenbilder.334449 UR - http://dx.doi.org/10.16984/saufenbilder.334449 Y2 - 2018 ER - EndNote %0 Sakarya University Journal of Science Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations %A Erman Aslan , İlker İnan , İlyas Kandemir , Hasan Rıza Güven %T Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations %D 2018 %J Sakarya University Journal of Science %P 1301-4048-2147-835X %V 22 %N 5 %R doi: 10.16984/saufenbilder.334449 %U 10.16984/saufenbilder.334449 ISNAD Aslan, Erman , İnan, İlker , Kandemir, İlyas , Güven, Hasan Rıza . "Numerical Analysis of Flow Around Bluff Bodies with 4th and 2nd order compact formulations". Sakarya University Journal of Science 22 / 5 (Ekim 2018): 1234-1252. http://dx.doi.org/10.16984/saufenbilder.334449