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…ect) Validates clump/multisphere behavior by simulating size-driven segregation of single spheres vs dimer clumps in a vertically shaken box. Under vibration at Γ ≈ 3.6, dimers (larger effective size) segregate upward due to the Brazil nut effect. Includes: - main.rs: Custom system tracking COM heights per species - config.toml: 75 spheres + 75 dimers, oscillating floor (A=2mm, f=15Hz) - validate.py: PASS/FAIL checks (S > 0 at steady state) - plot.py: Segregation index and COM trajectory plots - README.md: Physics description, run instructions, validation criteria Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
The DemConfig struct uses #[serde(deny_unknown_fields)], which caused a parse error when clump definitions were placed under [dem.clumps]. Move clump config to its own top-level [clump] TOML section with [[clump.definitions]] array-of-tables syntax. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
examples/bench_multisphere_segregation/benchmark validating clump/multisphere behaviorFiles
main.rs— Simulation with custommeasure_segregationsystemconfig.toml— Fully documented TOML (softened glass, A=2mm, f=15Hz oscillating floor)validate.py— 5 PASS/FAIL checks (finite data, positive z, S > 0, S > 0.005, positive trend)plot.py— Segregation index vs time + COM trajectories (matplotlib, PNG output)README.md— Physics description, vibration parameters, run instructionsTest plan
cargo build --no-default-features --example bench_multisphere_segregationcompilescargo clippy --no-default-features --example bench_multisphere_segregation— no warnings from example codecargo test --no-default-features -p dem_clump— all 12 tests passvalidate.pypasses (requires ~2-3 min in release mode)🤖 Generated with Claude Code