Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year...
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Transcript of Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year...
![Page 1: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/1.jpg)
ALDEN RESEARCH LABORATORY, INC. 1
Waller Creek Outlet CFD Modeling Results
Connection #2 with 3’ High Spillway Flip Bucket2-Year Flood (2320 cfs)
Lady Bird Lake Inflow (1.25 ft/s)
9/9/2008
![Page 2: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/2.jpg)
ALDEN RESEARCH LABORATORY, INC. 2
General View of the CFD Model
9/9/2008
General View
![Page 3: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/3.jpg)
ALDEN RESEARCH LABORATORY, INC. 3
Plan View of the CFD Model
9/9/2008
![Page 4: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/4.jpg)
ALDEN RESEARCH LABORATORY, INC. 4
Velocity Contours at Water Surface
9/9/2008
![Page 5: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/5.jpg)
ALDEN RESEARCH LABORATORY, INC. 5
Flow Patterns
From the Tunnel Shaft to the Spillway
9/9/2008
![Page 6: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/6.jpg)
ALDEN RESEARCH LABORATORY, INC. 6
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=406 ft
9/9/2008
![Page 7: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/7.jpg)
ALDEN RESEARCH LABORATORY, INC. 7
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=415 ft
9/9/2008
![Page 8: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/8.jpg)
ALDEN RESEARCH LABORATORY, INC. 8
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=422 ft
9/9/2008
![Page 9: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/9.jpg)
ALDEN RESEARCH LABORATORY, INC. 9
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=430 ft
9/9/2008
![Page 10: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/10.jpg)
ALDEN RESEARCH LABORATORY, INC. 10
Velocity Magnitude Contours and Velocity Vectors in Longitudinal Plane at X=200 ft
9/9/2008
![Page 11: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/11.jpg)
ALDEN RESEARCH LABORATORY, INC. 11
Velocity Magnitude Contours and Velocity Vectors in Longitudinal Plane at X=150 ft
9/9/2008
![Page 12: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/12.jpg)
ALDEN RESEARCH LABORATORY, INC. 12
Velocity Magnitude Contours and Velocity Vectors in Longitudinal Plane at X=250 ft
9/9/2008
![Page 13: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/13.jpg)
ALDEN RESEARCH LABORATORY, INC. 13
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Y=400 ft
9/9/2008
![Page 14: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/14.jpg)
ALDEN RESEARCH LABORATORY, INC. 14
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Y=350 ft
9/9/2008
![Page 15: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/15.jpg)
ALDEN RESEARCH LABORATORY, INC. 15
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Y=450 ft
9/9/2008
![Page 16: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/16.jpg)
ALDEN RESEARCH LABORATORY, INC. 16
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Spillway Crest
9/9/2008
![Page 17: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/17.jpg)
ALDEN RESEARCH LABORATORY, INC. 17
Flow Impacts
Caused by Stacked Rock at the Ends of the Spillway Crest
9/9/2008
![Page 18: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/18.jpg)
ALDEN RESEARCH LABORATORY, INC. 18
Left Side Stacked Rock
9/9/2008
![Page 19: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/19.jpg)
ALDEN RESEARCH LABORATORY, INC. 19
Right Side Stacked Rock
9/9/2008
![Page 20: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/20.jpg)
ALDEN RESEARCH LABORATORY, INC. 20
Velocity Profiles
Along the Ogee Spillway Section
9/9/2008
![Page 21: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/21.jpg)
ALDEN RESEARCH LABORATORY, INC. 21
Velocity Profile along the Spillway Ogee Section at X=200 ft
9/9/2008
![Page 22: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/22.jpg)
ALDEN RESEARCH LABORATORY, INC. 22
Velocity Profile along the Spillway Ogee Section at X=150 ft
9/9/2008
![Page 23: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/23.jpg)
ALDEN RESEARCH LABORATORY, INC. 23
Velocity Profile along the Spillway Ogee Section at X=250 ft
9/9/2008
![Page 24: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/24.jpg)
ALDEN RESEARCH LABORATORY, INC. 24
Hydraulic Jump at the Toe of the Spillway
Velocity and Froude Number
9/9/2008
![Page 25: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/25.jpg)
ALDEN RESEARCH LABORATORY, INC. 25
Velocity
9/9/2008
![Page 26: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/26.jpg)
ALDEN RESEARCH LABORATORY, INC. 26
Froude Number
9/9/2008
![Page 27: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/27.jpg)
ALDEN RESEARCH LABORATORY, INC. 27
Scour Potential
In the Exit Channel, both Concrete Apron and Riprap Section
9/9/2008
![Page 28: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/28.jpg)
ALDEN RESEARCH LABORATORY, INC. 28
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Horizontal Plane at Z=415 ft
9/9/2008
![Page 29: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/29.jpg)
ALDEN RESEARCH LABORATORY, INC. 29
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Horizontal Plane at Z=422 ft
9/9/2008
![Page 30: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/30.jpg)
ALDEN RESEARCH LABORATORY, INC. 30
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=415 ft
9/9/2008
![Page 31: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/31.jpg)
ALDEN RESEARCH LABORATORY, INC. 31
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=422 ft
9/9/2008
![Page 32: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/32.jpg)
ALDEN RESEARCH LABORATORY, INC. 32
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane at X=200 ft
9/9/2008
![Page 33: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/33.jpg)
ALDEN RESEARCH LABORATORY, INC. 33
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane at X=150 ft
9/9/2008
![Page 34: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/34.jpg)
ALDEN RESEARCH LABORATORY, INC. 34
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane at X=250 ft
9/9/2008
![Page 35: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/35.jpg)
ALDEN RESEARCH LABORATORY, INC. 35
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane 1 foot apart Left Retaining Wall
9/9/2008
![Page 36: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/36.jpg)
ALDEN RESEARCH LABORATORY, INC. 36
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane 1 foot apart Right Retaining Wall
9/9/2008
![Page 37: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/37.jpg)
ALDEN RESEARCH LABORATORY, INC. 37
Velocity Magnitude Contours and Velocity Vectors in Vertical Planes
9/9/2008
![Page 38: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/38.jpg)
ALDEN RESEARCH LABORATORY, INC. 38
Water Surface Elevations
At Spillway Crest and Upstream
9/9/2008
![Page 39: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/39.jpg)
ALDEN RESEARCH LABORATORY, INC. 39
Water Surface Elevations at Spillway Crest and Upstream
9/9/2008
![Page 40: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/40.jpg)
ALDEN RESEARCH LABORATORY, INC. 40
Pressure Forces
On the Pipe Riser and Water Intake Screen
9/9/2008
![Page 41: Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/20081ALDEN.](https://reader035.fdocuments.in/reader035/viewer/2022062713/56649cee5503460f949bcb05/html5/thumbnails/41.jpg)
ALDEN RESEARCH LABORATORY, INC. 41
Pressure Force on Pipe Riser and Water Intake
Time (second) X-Force (lbf) Y-Force (lbf) Z-Force (lbf) Total (lbf)Average 1774 -622 -622 1895
9/9/2008