𝒥 Jacobian of Transformation
ThermoFluidCalc — Section 6 : Mesh Quality — Calculator #29
Reference : Gupta §5.6
🔨 Input
1 — Single Quad
2 — Grid Field
3 — Probe Point
Presets
Unit square
Stretched
Curved
Folded
SW x₁
SW y₁
SE x₂
SE y₂
NE x₃
NE y₃
NW x₄
NW y₄
ξ (0–1)
η (0–1)
N (cells in ξ)
M (cells in η)
Vertex coords — (N+1)×(M+1) lines: x y (row by row, i varies fastest)
0 0 1 0 2 0 3 0 0 1 1 1 2 1 3 1 0 2 1 2 2 2 3 2 0 3 1 3 2 3 3 3
▶ Compute Jacobian