Celeris-WebGPU

Start Here: Load Simulation Datafiles

Questions/Problems/Requests - use the Users Forum
Download Example Configurations here

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Upload Custom Configuration Files here:

Load JSON Config File [Required]

Load Bathymetry Data File [Required]

Load Wave [amp,period,dir] Data File [Optional]

For image overlay, you have two choices. If you have a high-resolution satellite or aerial image, you can load that file below. Note that this image must cover the exact area as the loaded bathy/topo, or the overlay will not be spatially matched. Alternatively, if you know the lat/lon coordinates of the corners of the bathy/topo, you can specify these in the input json file (see examples). Based on these corner coordinates, the code will download a Google Maps tile for the domain, and use that as an overlay.
Load Overlay Image (jpg, png, bmp, gif) [Optional]

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or, Load Pre-configured Examples here: Choose Example:

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Pause / Resume Simulation:

Modify Visualization

Property to Plot:

Colorbar Choices:

Maximum Color Axis Value (in units of plotted property):

Minimum Color Axis Value (in units of plotted property):

Transport Overlays:

Google Maps / Aerial Image Overlay:

Show USACE & USC logos:

View Mode:

Add Engineered Design Components

Component to Add:

Mannings n / Friction Factors
Coral Reef:
Mussel/Oyster Bed:
Mangroves:
Kelp Bed:
Grass:
Scrub:
Rubblemound:
Vegetated Dune:
Berm:
Seawall:

For surface cover components, radius of coverage to add on click:

Left click (and hold) to add surface cover components (in Design Mode).

For linear structures (breakwaters, dunes, seawalls), crest elevation (m):

For linear structures (breakwaters, dunes, seawalls), crest width (m):

For linear, sloping structures (breakwaters, dunes), side slope (give as decimal, e.g. 0.25 = 1/4):

Choose Linear Structure Start/Endpoint Coordinate to Edit:

Right-click on structure start/end location (in Design Mode) or input coordinates below

Location x-coordinate (m) :

Location y-coordinate (m) :

Modify Sea Level & Edit Bathy/Topo

Change in stil water level (m of surge, tide, SLR):

Property to Edit:

Change Property Continuously or Set to Specific Value:

Amount of Property to Change-on-Click / Value to Set on Click:

Lengthscale (m) of Change-on-Click :

Modify Boundary Conditions

Incident Wave Type:

Height (m) of Sine Wave / Pulse / Solitary Wave, or Significant Wave Height of Spectrum:

Period (sec) of Sine Wave / Pulse, or Peak Period of Spectrum [not used for Solitary Wave]:

Wave Direction (deg CCW from E [-180 to 180]):

West Boundary Type:

East Boundary Type:

South Boundary Type:

North Boundary Type:

Configure Sediment Transport Model

BETA - currently no feedback w/ hydro

Sediment Class 1 D50 (mm):

Sediment Class 1 porosity:

Sediment Class 1 specific gravity:

Sediment Class 1 psi parameter:

Sediment Class 1 critical Shields #:

Turn on/off Sediment Transport Model:

Add Impulsive Wave Source (Earthquake, Landslide)

Wave Disturbance to Add:

X-Coordinate of Source (m):

Y-Coordinate of Source (m):

Crest Amplitude / Earthquake Slip / Average Slide Thickness (m):

Direction / Orientation / Strike of Source (deg CCW from E [-180 to 180]):

Width of Source (m, not used for Solitary Wave):

Length of Source (m, not used for Solitary Wave):

Rake of Source (deg, only used for Earthquake):

Dip of Source (deg, only used for Earthquake):

Plot Time Series

Total Number of Time Series:

Duration of Time Series to Plot & Save (sec) :

Model will save time series data once this duration is reached; a new data file will be generated every instance that the duration is reached (plot time reaches the duration). Data files will be located in your browser's default Downloads directory.

Time Series Location to Update:

Right-click on time series location (in Design Mode) or input coordinates below

New Time Series x-location (m) :

New Time Series y-location (m) :

Analysis and Statistics

Outputs: Animations & Images

Files saved below will be located in your browser's default Downloads directory

For long duration movies, it is recommended to use various screen capture options, such as the "Snipping Tool" in Windows. Limitations of working within the browser / js environment make storing many frames and generating large animations challenging. The options below will allow the user to make short animated gifs (up to ~100 frames) and to save up to 256 jpeg images. Note that you can have only one of these operations ongoing at a time.

Animated gif Options:
Time between frames (sec) :

Click the button below to start the creation of the animation. See the console for messages about the progress of the file generation.

JPEG Time Stack Options:
Time between jpeg images (sec) :

Number of images to save (max: 256) :

Click the button below to start the storage of the jpeg images in memory. Once all of the images are stored, they will be saved to file. See the console for progress messages.

Output: Raw Model Data

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Files saved below will be located in your browser's default Downloads directory

Modify Simulation Parameters

Simulation Type:

Theta value for MinMod, ranges from 1.0 (most dissipative, upwind differences) to 2.0 (least dissipative, centered differences) [default: 2.0 w/ breaking model]:

Change Courant Number (0.1 or less for Explicit Scheme, 0.2 or less for Implicit Scheme):

Bottom Friction Model:

Change Mannings n (typical value ~0.025) or Friction Factor (typical value ~0.002):

Wave Breaking Model:

Threshold to Start Wave Breaking [Default: 0.5]:

Threshold to End Wave Breaking [Default: 0.15]:

Breaking Transition Time Coefficient [Default: 5.0]:

Breaking Eddy Viscosity Coefficient [Default: 2.0]:

Turbulent Dispersion ([m^2/s]; for foam/scalar transport):

Turbulence Decay Rate (1st Order Decay [1/s]; for foam/scalar transport):

Dry Beach Infiltration Rate [m/s; Default: 0.001]]:

Time Steps Between each Render Frame (1 or greater, 0 for auto-determine for max sim speed):