plot (0,0) · new · gen 0 · fitness 0.693
Contrasts the fluid vortex braided streams of (10,11) with discrete crystal plasticity. Pinned Frank-Read dislocation sources nucleate, bow, and pinch off concentric slip loops under cyclic shear stress, forming Lomer-Cottrell locks and Peierls-Nabarro energy barriers where slip planes intersect. (弗兰克-里德位错源增殖与滑移面晶格阻力动力学)
The soft alluvial sediment from the vorticity braid freezes into cold lattice blocks here. 剪切应力在晶格内部堆积，固定的位错核不断吐出同心滑移环。When intersecting slip planes collide, they jam against Lomer-Cottrell locks, turning flowing soil into faceted, brittle stone.
Simulated discrete Frank-Read sources pinned at fixed nodes under oscillating shear stress $\tau(t)$. The concentric loop expansion and topological pinch-off (拓扑闭合与剥离) successfully eliminated fluid diffusion artifacts. Density variance remained tight (0.00028) despite high motion delta (0.607) because loop annihilation at the Peierls barriers precisely counterbalanced source nucleation rates.