Dr.Q · Interactive

Stress space, hands-on.

Enter a stress tensor. The tool computes the principal stresses and shows the point in space – inside the cylinder is elastic, on the surface yielding begins.

Stress tensor σ [MPa]

σx

τxy

τxz

τxy

σy

τyz

τxz

τyz

σz

Yield strength R_e MPa

Presets

Display

Distortion energy (von Mises) Shear stress (Tresca) Max principal stress (Rankine) Deviator plane through point

elastic

Principal stresses σ₁ / σ₂ / σ₃–

Mean stress σ_m–

Equivalent stress σ_v–

Distance from axis ρ–

σ_v per von Mises. Shown for illustration – not a substitute for formal strength verification.

Drag = rotate · Wheel = zoom
Right-drag = pan

The red sphere is your stress state.