Step 1 — Define inputs and criteria
beam_l=1.0
beam_b=0.05
young=210E9
tip_force=-1000
uy_limit=0.00025 ! 0.25 mm
stress_limit=150E6 ! 150 MPa
n_cases=3Document SI units and limits before the *DO. FE validation criteria (deflection versus analytical result, equilibrium) remain those from M07–M08; design criteria (uy_limit, stress_limit) are additional.