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Table 2

Default parameters used in the Inverter optimization problem (symmetrical problem).

Number of design variables 2464
Number of nodes 1293
Number of degrees of freedom 2543
Young Modulus E0 [MPa] 11
Minimum Young Modulus Emin [MPa] 0.011
Poisson ratio ν 0.4
Lamé’s first parameter λ0 [MPa] 15.71
Lamé’s second parameter μ0 [MPa] 3.93
Minimum Lamé’s first parameter λmin [MPa] 0.01571
Minimum Lamé’s second parameter μmin [MPa] 0.00393
Stress constraint σlim [MPa] 0.3
Domain width c [mm] 60
Domain height c [mm] 60
Intensity applied force Fext [N/mm] 0.2
Penalization factor p 3.0
Radius filter Rmin [mm] 1.25
Aggregation constant P 4

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