CFL (Courant–Friedrichs–Lewy) condition
From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-06-06.)
CFL (Courant–Friedrichs–Lewy) condition has 15 facts recorded in Dontopedia across 4 references, with 2 live disagreements.
Mostly:requires(2), applies to(2), is stability criterion(1)
Maturity scale
raw canonical shape-checked rule-derived certifiedInbound mentions (2)
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Other facts (14)
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| Predicate | Value | Ref |
|---|---|---|
| Requires | time step small enough that information doesn't skip over grid points | [3] |
| Requires | Small Time Step | [4] |
| Applies to | Simulations That Evolve Over Time | [3] |
| Applies to | Time Evolution Simulation | [4] |
| Is Stability Criterion | true | [1] |
| Formula | 0.4 × dx²/(2v²) | [2] |
| Is a | stability rule | [3] |
| Is Acronym for | Courant–Friedrichs–Lewy | [3] |
| Is Necessary for | Stability | [3] |
| Known As | Courant Friedrichs Lewy | [3] |
| Analogized to | Wave Skipping Grid Points | [3] |
| Rdf:type | Stability Rule | [4] |
| Involves | Wave Moving Across Grid | [4] |
| Purpose of Constraint | Information Skip Prevention | [4] |
Timeline
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References (4)
ctx:discord/blah/watt-activation/part-519ctx:discord/blah/watt-activation/part-521ctx:discord/blah/watt-activation/part-571ctx:discord/blah/watt-activation/568- full textwatt-activation-568text/plain2 KB
doc:agent/watt-activation-568/be4dc07e-aff0-4923-b2fe-1b8d470bb637Show excerpt
[2026-03-25 02:25] xenonfun: ``` CFL (Courant–Friedrichs–Lewy) condition is a stability rule for simulations that evolve over time. Think of it like this: imagine you're simulating a wave moving across a grid of points. At each time step, …
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