University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 1

ADCIRC Tidal Databases

Chris Szpilka

Kendra Dresback, Randy Kolar and Sam Bush

ADCIRC Workshop 2014

Infinity Science CenterPearlington, MS

April 3- 4

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 2

Topics Covered• ADCIRC modifications• East coast tidal database (EC2013)

• Grid improvements• Bottom friction options• Run parameters• Results

• West coast tidal database• Grid development

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 3

Version 51.06 Modifications• Problem: Global harmonic output

• memory issue –problem with large grids, numerous constituents• too many constituents and stations – led to problems initializing

the arrays for the elevation and velocities• present on several computing architectures – TACC, OSCER,

ERDC

• Solution: • changed from global to local output – harmonic and hotstart• use command line options

• –M write local files for harmonics• –S write local hotstart files• –R read local hotstart files

• adcpost required to develop the global fort.5* files

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 4

Topics Covered• ADCIRC modifications• East coast tidal database (EC2013)

• Grid improvements• Bottom friction options• Run parameters• Results

• West coast tidal database• Grid development

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 5

EC2001 Grid Coverage

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 6

Extended EC2001 Coverage

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 7

NOAA VDatum Grid Coverage

12

3

4

5

6

78

9

1) gulfofmaine2) gsb_v2_Cf2_Dch3_r33) delchesbays4) nc19d_final5) FL_SAB_016) g09b_finalMZ_0909057) neworleansarea8) TX_v5_MZ9) PuertoRico_vi

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 8

New EC2013 Coverage

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 9

EC2013 Bathymetry

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 10

EC2013 Bathymetry

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 11

EC2013 Resolution Detail

ec2001 ec2013

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 12

Mesh Comparison

Grid ec2001 extended_ec2001 ec2012# nodes 254565 257574 2062864# elements 492179 498406 3765052min size (m) 218 217 14max size (km) 33 48.5 48.5

wall clock for 410-day simulationdt (sec) 5 2 1Boomer (256) 6.5 hours 20 hours 185 hoursCopper (2048) NA NA 50 hours

ec2013

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 13

ADCIRC Bottom Friction Options• NOLIBF

• 0 – linear bottom friction• 1 – quadratic function of depth averaged velocity

• NWP – nodal attributes in fort.13• quadratic_friction_coefficient_at_sea_floor• mannings_n_at_sea_floor (converted to equivalent quadratic friction

coefficient)• CF(t) = (g*n2)/cuberoot[depth+WSE(t)]• Upper limit – CF value from fort.15

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 14

Basic ADCIRC Options• Tidal forcing: TPXO 7.2 OTIS

• Forced with 13 constituents (M2, S2, N2, K2, K1, O1, P1, Q1, Mf, Mm, M4, MS4, MN4)

• ADCIRC parameters• Δt=1.0 sec• NOLI terms = 1 2 1 1• tau0 = -1 (spatially varying but constant in time; it is calculated according

to depth as follows: If the depth is >=10 tau0 is set to 0.005, if the depth is < 10, tau0 is set to 0.020)

• ESL=5• NWP

otis1: NWP=0 CF is constant (0.0025)

otis3: NWP=1 VDatum CF

otis4(5): NWP=1 Mannings n (90% Mannings n)

• Run a 20-day ramp for tidal spinup, then run another 25 days before start harmonic analysis for last 365 days (410-day total run)

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 15

NOAA CO-OPS Data Locations

OpenInlandProtected

http://tidesandcurrents.noaa.gov/Harmonic data for up to 37 constituentsat 404 stations.

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 16

Error Measures

• Mean absolute error: amplitude and phase

• RMS: Ae = (0.5 Am2 + 0.5 Ao

2 – AmAo cos(ho-hm))1/2

• Relative RMS: Ar = Ae/Ao

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 17

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 18

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 19

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 20

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 21

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 22

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 23

Ongoing Work• Project wrapping up but…• Additional runs

• FES2012 with constant CF (for comparison)• Increased Manning n (110% - for sensitivity)• Modified VDatum CF in Chesapeake Bay and NY Sound

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 24

Topics Covered• ADCIRC modifications• East coast tidal database (EC2013)

• Grid improvements• Tidal forcing• Bottom friction• Results

• West coast tidal database• Grid development

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 25

ENPAC 2003 Grid Coverage

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 26

ESTOFS Pacific Coverage

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 27

VDatum Coverage

1

2

3

1) SE Alaska (not done)2) PacificNW013) sc8b_MZ_011806

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 28

Coastal Detail

1

2

3

1) SE Alaska (not done)2) Vancouver Island (Foreman)3) Merged VDatum coasts

Black – ESTOFS boundaryRed – coastal sources (map)

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 29

New WC2014 Coverage

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 30

Vancouver Island Detail

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 31

West Coast Summary• Grid development is ongoing

• Add SE Alaska when done• Fill in region of BC?

• Next steps:• Collect input files from original VDatum and Foreman

meshes• Begin building global input files• Verify location of CO-OPS stations for input file• Debugging…

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 32

Acknowledgements• Jesse Feyen, Ed Meyers, Jindong Wang (NOAA) – CO-OPS

data and VDatum grids• Kendra Dresback (OU) – code modifications• Henry Neeman (OSCER) and Chris Massey (ERDC-CHL) –

computing resources

• These projects are funded by NOAA and US Army Corps

University of Oklahoma - School of Civil Engineering and Environmental Science

ADCIRC Workshop - Apr. 3 -4, 2014 - Slide 33

Discussion