Air-bend field bake-off

Same part and tooling, seven topology-aware plastic-strain fields. Gray is low demand; yellow → orange → red approaches failure.

20 mm contact gap2 mm sheet · V16 · 90° air bendfails current verdict plastic capacity 100%
1

Elastic plate only

R = max(normalized curvature, normalized compliance)
peak 15%
Stress data is not available for these bends yet.
2

Equilibrium redirection only

R = load crowding + path turning from the plate potential
peak 98%
Stress data is not available for these bends yet.
3

Plastic capacity network only

R = edge utilization; min-cut = 1 after capacity collapse
peak 98%
Stress data is not available for these bends yet.
4

Elastic plate + redirection

R = max(Rplate, Rredirect)
peak 98%
Stress data is not available for these bends yet.
5

Cut-edge plastic strain

εp = Sgap · exp(−d/(0.8t))
peak 71%
Stress data is not available for these bends yet.
6

Distributed cut-edge strain

εp = Sgap · exp(−d/(2.2t))
peak 78%
Stress data is not available for these bends yet.
7

Projected yield curtain

εp = max(εedge, 0.72·Sgap between cut and punch)
peak 78%
Stress data is not available for these bends yet.
8

Nonlinear ligament yielding

εp = Sgap^1.5 · exp(−d/(1.6t))
peak 78%
Stress data is not available for these bends yet.
9

Categorical collapse band

Recent heuristic: every non-compact forming-strip opening may yield
peak 100%
Stress data is not available for these bends yet.
10

Direct V-contact loss

Recent heuristic: non-compact missing contact = local failure
peak 100%
Stress data is not available for these bends yet.
11

Topology without hard failures

R = max(edge strain, 0.85·curtain, nonlinear ligament)
peak 78%
Stress data is not available for these bends yet.
12

Retired heuristic stack

Previous display: max(edge, curtain, collapse, contact, capacity)
peak 100%
Stress data is not available for these bends yet.
13

Selected projected yield curtain

εp = max(εedge, 0.72·Sgap between cut and punch)
peak 100%
Stress data is not available for these bends yet.