Fig 1.
MMC-SIMP sequential topology optimization method.
Fig 2.
Problem examples.
Fig 3.
Component description.
Fig 4.
Optimization results of MBB beam problem under different f.
Fig 5.
Single-material optimization results of MBB beam (f=0, c=230.147).
Fig 6.
Optimization results of MBB multi-material structure under different methods. (a) A level-set method for multi-material topology optimization [33]. (b) An alternating active-phase algorithm for multi-material topology optimization [34]. (c) A new mapping based interpolation function for multi-material topology optimization [35]. (d) A material-field series expansion (MFSE) model for multi-material topology optimization [36].
Fig 7.
Optimization results under different Young's modulus ratio.
Fig 8.
Optimization results of short beam problem under different f.
Fig 9.
Optimization results of thin-walled short beam problem under different f.
Fig 10.
Single-material optimization results of short beam (f=0, c=75.4630).
Fig 11.
Single-material optimization results of thin-wall short beam (f=0, c=85.575).
Fig 12.
Flexibility reduction rate under different examples.
Fig 13.
Optimization results of different Young's modulus based on MMC method.