Optimization, Plasticity, Forming

DYSTIFF s.r.o., Olomouc

Building Maintenance Unit

- Parametric optimization- Criteria function: mass- Objective values: deformation, stress, buckling

Typical design

Schema of jib for calculation

Automatically created calculation model for jib (4 segments)

Stress intensity

Table with result parameters, length 15 m

Table with result parameters, length 45 m

Total jib mass versus loading group & jib length

Pressing of Ball into Casing

- Elasto-plastic behavior of material- Large deformation- Moving contact zone

Calculation model (axisymetric)

Contact pressure

Yield stress overrun

Plastic strains

Simulation of Thin Fin Punching Process

- Elasto-plastic analysis- Simulation of material breaking- High speed dynamic process

Schema of punching

Deformed and punched fin

Shape of vibration

Stress intensity in the resonator support

Punching of fin

Final louvers

Final louvers

Final louvers

Final louvers

Section through louvers

Required louvers