setups-viv

 

 

‎

Table of Contents

** setup
fig.1 all the same as Khalak 1997 ( key parameter : low m*\xi)
known:
Re/Ur = 1000

m* = 2.4
f_n, air = 1.4607

\zeta = 0.0054

m* \zeta = 0.013

derived quantities:

k = 1.1624

c= 0.0014

reduced: m, k, c

f_{n,water} =fn,air sqrt(m*/(C_A +m*))
 

D=0.1m

Ur = 2, 3, 3,5, 3.92, 5, 6, 7, 8, 9, 10, 11, 12


| Authors, year, source | methods | flow regime | Re  (GP) | m* | \zeta | m*\zeta  (GP) | waves (kc) | Current | G/D (GP) | BL(GP) | DOF | U_r(GP) | New | keynote | independent variables | dependent variables |
| guofei                | LES, 3D | subcritical |  1e3-1e4 |    |       |               |            |         |          |        |     |         |     |         |                       |                     |

| Authors, year              | DOF | flow regime |      Re | Current | waves (kc) | m*\xi             | G/D | BL | U_r | methods |
| khalak and Williamson,1997 |   2 | subcritical | 1e3-1e4 | steady  | -          | 0.01,0.009,0.0135 |     |    |     | exp.    |

| U(m/s)   |   |   |   |
| Re(\times10^3) |   |   |   |
| U*       | 2 | 3 | 4 |
|          |   |   |   |

 

1 TODO summary table– setups

Authors, year methods flow regime Re G/D (GP) m* ζ m*ζ (GP) waves (kc) Current BL(GP) DOF Ur(GP) New keynote input variables dependent variables
Guo Num. 3D, LES subcritical 1k-12k 0-2 2.4 0.0054   - steady - 1       G/D  
(chen 2019 JFS) Num. laminar 100 0.6-3 2 0   - steady   2          
Chern, 2018,JoM Num. laminar 100 0.35,0.6,0.8,1.5 10 0 0 - steady   2   Num. 2D, 2DOF effect of viv on plane boudnary(skin friction) X, Y,Cf, fv/fn, trajectory  
Chung, 2016 Num. laminar 100   2 0 0 - steady   1   examine G/D effects only, excluding effects of the BL by moving the plane boundary G/D ↑, A* ↓, lock-in region ↑,Urmax ↑    
Munir, 2018, OE Num., 2D,RANS subcritical 5k 0.01, 0.4, 1.0 ∞ 2 0 2*0 pure cosine wave:5,10, -   2 1-15 cosine wave at inlet      
Barbosa, 2017, JFS Exp. subcritical 6500-20,000   5.5 - - - steady              
Yang, 2009, Acta Mech Sin Exp. subcritical 2600-15,574 0.06-1.69 1.36,2.6 0.0152   - steady   1 2-12 early Exp. study on viv near plane      
Hsieh, 2016,JFS Exp. subcritical 3036~3924 0.8 5.67 0.0106 .601 - steady   1 5.39-6.96 high resolution PIV, Accurate measurements at the viscous sublayer      
Sumer 1994 Exp. subcritical 60,000               1          
wang, 2013, JFS Exp. subcritical, 3k-13k 0.05-2.5 1 0.0173 0.0173 - steady - 1 1.53-6.62        
                                 
  • ν of water: 1.002e-6
  • GP: govening/influencing parameters
  • flow regime is based on table 1-1, zdravkovich, 1997
  • DOF : degree of freedom

ref:

  • table 1-1, zdravkovich, 1997
  • 8.3.2 sumer, 1997
  • table 10.1 sumer,1997{B}
    • where, B means book

Created: 2020-04-12 Sun 20:05

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posted @ 2020-04-12 20:08  kaiming_ai  阅读(216)  评论(0)  编辑  收藏  举报