FDL

Computational Flatulence Dynamics

v1.0 · incompressible Navier–Stokes · semi-Lagrangian advection

GRID —

SOLVER —

FPS —

Objective A QUIET EVENING

LOCATIONLIVING ROOM

STATUSGET SOMEWHERE PRIVATE

ELAPSED0.0s

SOCIAL STANDING100%

Controls

← →WALK

EDOOR / OBJECT

V holdSLOW RELEASE

clickWALK TO POINT

Floor Plan

BALCONYSAFE

LIVING ROOM2 GUESTS

HALLWAY1 GUEST

BATHROOMSAFE

Test Cases KEYS 1–6

The Candidate CUSTOM CANDIDATE

Actuate SPACE

Fine Tune T

Source Conditions

CHAMBER PRESSURE

EMISSION DURATION

APERTURE TENSION

MOISTURE CONTENT

ΔT ABOVE AMBIENT

H₂S CONCENTRATION

Environment

OBSERVER STANDOFF

ROOM VENTILATION

EDDY DIFFUSIVITY

OBSERVER ACUITY

VORTICITY CONFINEMENT

VELOCITY DISSIPATION

SUBJECT POSTURE

PRESS SPACE TO RELEASE
DRAG TO STIR THE AIR

Biometrics SUBJECT

INTERNAL PRESSURE6%

CONTAINMENTHOLDING

VENTED0%

BLOWOUTS0

Measured Profile NOT THE SLIDERS

FUNDAMENTAL—

LEVEL @1m—

SOUNDING LENGTH—

FLUTTER (f₀ WANDER)—

FLOOR FOOTPRINT0.00m²

CENTROID RISE0.00m

AIRBORNE LOAD0.00%

EXTRACTION SURVIVAL—

Sentinel Butterflies ORGANIC CANARIES

AIRBORNE12/12

COLONY STATUSTHRIVING

Observer P₁ · 1.7 m DOWNWIND

NASAL CONC.0ppb

DETECTION THRESH.2.0ppb

STATUSCLEAR

Open Positions APTITUDE

Chamber FREE PLAY

VOLUME EXPOSURE1.35×

Room Air

AT YOUR POSITION0ppb

ROOM SATURATION0.0%

VENTILATION0.12m/s

Guests NOSE ppb

Field Visualization V

Source Telemetry

EXIT VELOCITY0.00m/s

ORIFICE Ø0.0mm

REYNOLDS No.0

FLOW REGIME—

VOLUME DISPLACED0mL

PEAK SPL @1m0dB

FUNDAMENTAL0Hz

Dispersion Analysis

PLUME AREA0.00m²

CENTROID DRIFT0.00m

MAX FLOW SPEED0.00m/s

ROOM SATURATION0.0%

Observer Probe P₁

NASAL CONC.0ppb

DETECTION THRESH.2.0ppb

TIME TO DETECT—

STATUSCLEAR

PLAUSIBLE DENIABILITY100%