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Swash Zone Turbulence (2004)

 
   
  Date File Description  
  04/2006 Publication    
  09/30/2006 Dissertation [pdf] [MS word document]  
  09/23/2005 Ph. D. defense    
  08/20/2004 Cox_vs_Raubenheimer1.doc Document for method coparison between Cox and Raubenheimer to etimate bottom friction coefficient, turbulent dissipation and production  
  08/12/2004 rev_raubeheimer04.ppt Powerpoint slides for review and comments of journal paper  
  06/08/2004 sw_prelim_f.ppt Powerpoint slides for doctoral preliminary exam  
  05/19/2004 result0519.pdf

The instantenous velocity plots of the result on 05/18/2004. [better quality of figure]

 
  05/18/2004 result0518.pdf The result of numerical simulation with swash data by LES model of Suzuki. This is just start!! The results of velocity will be updated soon. Input file(should be renamed as swash04.dat)  
  05/04/2004 result0504.pdf Instanteneous quantities for horizontal & vertical velocity, tuebulence component, shear stress, and turbulence kinetic energy. (compupwp0504.m, plot_turb.m)  
  04/02/2004 swashT2.zip Zip file for the input of numerical models (pc version).  
  03/22/2004 profAnew_cinepak.avi Movie for hydrodynamic quntities (revised version of previous movie). (a) Measuring position (b) Ensemble averaged water surface elevation (c) Vertical sturcture of time varing horizontal velocity (d) Time-averaged horizontal velocity (e) Bottom shear stresss. Solid line: using measured shear velocity. Dashed line: estimation using ensmeble averaged horizontal velocity.  
  03/17/2004 results0317.pdf Vertical sturcture of time varing horizontal velocity compared with water surface elevation at the wave crest of location A.  
  03/17/2004 u_profA.avi Vertical sturcture of time varing horizontal velocity compared with water surface elevation within one wave period. The Velocities and elevations are ensemble averaged quantities. (plt_u_time.m)  
  03/16/2004 results0316.pdf Computation of Skewness and Kurtosis for water surface elevation. (Matlab function: skewn_kurto.m by Sungwon)  
  03/15/2004 final_report_oc669.pdf Final report of OC669  
  03/15/2004 final_pres1.pps Final presentation of OC669 with movie file (rbr2mov0.avi).  
  03/11/2004 results0311.pdf Cross-shore variation of water surface elevation and their spectra from RBREAK2 and experiment (f = 0.01).  
  03/08/2004 results0308.pdf Comparison of swash experimental results and RBREAK2 results with changing friction factor (=0.005 and 0.01).  
  03/03/2004 run3_t.pdf Results of RBREAK2 (test case: RUN3-T)  
  02/13/2004 report2.pdf Computation of bottom shear velocity, shear stress, and friction factor  
  02/04/2004 report1.pdf Experimental setup, Wave Charateristics, Ensemble averaged quantities(e.g. turbulence).  
   
 

Pressure Gradient over the Barred Beach (2004)

 
     
  Date File Description  
  12/16/2004 AGU poster The poster of AGU Fall Meeting 04.  
  11/12/2004 bbt1112f.ppt Powerpoint slide file presented in brown bag seminar(11/12/2004).  
  10/13/2004 results1013.pdf Cross-shore variation of R-square value and RMS errors of three different fitting. (jointfit1012.m)  
  10/12/2004 results1012.pdf Scatter plots of A(u) vs S(du/dt), S(dp/dx) vs S(du/dt) and three different fitting (y = ax+b, y = cx, y =x) using all waves and 1/3 highest waves at each cross-shore location. Dots are 1/3 highest waves and red open circles are the rest of waves.  
  10/07/2004 results1003.pdf Joint distributions of individual wave; asymmetry of horizontal velocity, A(u), vs . skewness of du/dt, S(du/dt), A(u) vs S(dp/dx), and S(du/dt) vs S(dp/dx). In " results0929.pdf ", three quatities have agreement with each other for entire waves but individual waves are scattered in joint distribution. There are two velocity data; u500 and u507 using different ADV. u500 was located in 5 cm and u507 in 1.7 cm from the bottom at the same cross-shore location as pressure sensors (jointdist_irr1005.m).  
  10/05/2004 results0929.pdf 4 times and 5 times larger peak frequency components of water surface elevation, pressure, and ADV data were filtered out. Asymmetry and skewness of velocity, acceleration, and pressure gradient were calculated as Elgar et al (2001) suggested (pl_crss_var.m).  
         
         
     
 

Pile-Supported Vertical Wall Breakwater (2003)

 
  04/2006 Publication    
  09/2005 Publication    
     
 

Void Fraction and Turbulence in the Surf Zone (2001 ~2002)

 
     
  Date File Description  
  03/30/2004 Presentation Powerpoint slide file presented in brown bag seminar.  
  10/2004 Publication pdf copy of journal publication: Journal of Engineering Mechanics. (Oct., 2002)  
  2001 Final report (2001) Final report of void fraction measurement