Computational Fluid Dynamics

Fluid Dynamics Virtual Lab

Run solvers on GPU&CPU | inspect probes | export NetCDF | compare jobs.

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Remote GPU Direct Numerical Simulation

MixDNS

Simulate bubbles, droplets, miscible mixing, interface instabilities, and thermal convection with high-resolution 3-D DNS on the TAMUG GPU workstation.

Bridge checking…
MixDNS 0.5.14 · 1–3 GPUs

Experiment Library

PresetChoose a configuration within this model family.

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DNS Parameters

The selected v0.5.14 preset remains the complete case; these controls edit its primary compute/time settings.

Grid & Compute

Grid NX

Grid NY

Grid NZ

GPU Ranks

Domain

Domain X

Domain Y

Domain Z

Time & Output

Time Step Mode

Max dt

CFL Target

Hard dt Floor

Final Time

Native State Δt

Estimated Raw Output—

Static Frame Δt

Web 3-D Δt

Web 3-D States

Initial Condition Designer

Domain, grid and editable scene objects are solver-bound. Orthogonal X–Y, X–Z and Y–Z views distinguish editable objects from fixed preset geometry; drag an editable object to reposition the actual DNS initial condition.

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X–Y drag selected object

X–Z drag selected object

Y–Z drag selected object

Select an editable object to edit or drag it in an orthogonal view.

Physics Summary & Preset Estimate

Preset-aware physical case summary plus pre-run planning derived from the MixDNS v0.5.14 rules. Workstation GPU/disk admission is verified again before launch.

Physics Summary

Preset Estimate

Waiting for preset parameters…

Run Control & Monitoring

Simulation & Live Diagnostics

Ready

Adaptive Diagnostics

Physical-time progress and numerical health from the workstation.

Live Output

Compact shows step, model time, dt, dt limit and CFL at ~1 Hz. Raw keeps the exact solver/MPI diagnostic stream on demand.

Static Results

Static plots and MP4 animations appear here as results become available.

No static frame yet.

Interactive Web-3DLazy retained ≤128³ archive. No volume bytes are loaded until you open this panel.

3-D ViewState

Field opacity100%

No retained Web-3D archive loaded in this viewer session.

Server History

Recent MixDNS Jobs

Open, download, or delete retained MixDNS jobs for the signed-in account.

Created	Family / Preset	State	Stage	Progress	3-D	Expires	Open	Download	Delete
No MixDNS jobs loaded.

Interactive Morphodynamics

Sediment Transport

Configure the experiment above the interactive canvas, then force and inspect the evolving sediment bed below.

Fortran 2-D bedload + Exner
interactive steady-state

Domain & Sediment Setup

Square flume, bed material, water level, grid, and Run.

Flume Length X (m)

Flume Width Y (m) · 1:1 locked

Grid Detail

Initial Bed Thickness (m)

Median Grain Size d50 (mm)

Initial Bed Perturbation (mm)

Initial Bedform Scale (m)

Sediment Density (kg/m³)

Initial Water Surface Elevation (m)

Morphology Acceleration (×)

Water Depth Above Bed (m)

Wave Maker and Inlet Preview stay interactive.

Ready · no active job No frame yet cursor position (x = — m · y = — m)

Wave Maker

Apply new wave in real time

Waveform

Mean Velocity (m/s)

Velocity Oscillation (m/s)

Period (s)

Inlet Start Y (m)

Inlet End Y (m)

Min span0.50 m

Apply changes the current experiment forcing.

Preset

Inlet Preview

Live Bed Elevation

Y-Sectionx = 5.00 m

X-Section · y = 5.00 m

Remote GPU Simulation

[GPU] Global Tsunami

Run the MT CUDA Global world4m model on the dedicated TAMUG 3× NVIDIA RTX3090 workstation.

Remote CUDA checking… 3× NVIDIA RTX3090 Power Limit: 200 W

Domain & Grid

Fixed world4m

Global Domain

Grid Resolution

Grid Points

Numerical Time Step

Initial Wave Source

Choose a Gaussian source or from prepared earthquakes.

Gaussian Kurile Kamchatka

Center Longitude (°)

Center Latitude (°)

Amplitude A (m)

Spread B

Simulation & Output

Duration, output interval, and total frame count stay synchronized.

Simulation Time

Output Interval

Total Output Frames

73 frames per variable · 146 total plots

Output Sampling

outskip plotskip

Plot Rendering

dpi regrid

Initial Condition

Initial Wave

Live Gaussian source preview

Queue at TAMUGGPU WorkstationNo job submitted · checking workstation

00:00:00

Ready

0% No Global Tsunami job selected.

Live Output

Global Tsunami Results

WebP frames stream to the browser while original 150-dpi PNG frames remain available for download.

No output frame yetSubmit a Global Tsunami job to generate z and zmax images.

GPU Server History

Recent Global Tsunami Jobs

Queue position updates live while other users submit jobs ahead of or behind yours.

Job	Source	State	Queue	Frames	Runtime	Open	Delete
No Global Tsunami jobs loaded.

Experiment Setup

Flume

Domain & Grid

Calculating grid

Model Parameters

Simulation Output Schedule

Duration, interval, and frame count stay synchronized.

Total Simulation Time

Output Interval

Total Output Frames Includes the initial condition at t = 0.

Interactive Domain

Geometry

Horizontal plan view for domain shape and probe placement.

Measurement Probes

Click the plan-view geometry or enter normalized coordinates.

0 / 8

Probe Type

Label

Normalized X

Normalized Y

No probes added.

Initial State

Initial Wave

Updates with source parameters

00:00:00

Ready

Numerical HealthNot started

No active job.

Live Output

Simulation Results

Each completed solver frame is pre-rendered in the background with its probe time-series subplot.

Result Variable

No output frame yet Submit an experiment to generate server-side results.

Result Comparison

Compare Two Simulations

Select jobs that share a variable and an available rendered frame.

Simulation A

Simulation B

Variable

Frame

Jobs with rendered frames will be available here.

Server History

Recent Jobs

Results are retained for the configured period.

Job	Experiment	State	Frames	Expires	Open	Delete
No jobs loaded.