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Evaluation of acoustic properties of lattice structure manufactured by selective laser melting
2020
Transactions of the JSME (in Japanese)
In this paper, sound absorption properties of poroelastic lattice structure are investigated through numerical simulation and measurement. The lattice structures discussed in this paper are composed of slender beams only (BCC) and beams and shells (BCC-S), and can be fabricated by using the selective laser metal melting machine. In our numerical investigation, the homogenization method is used to calculate a macroscopic elastic tensor for a solid phase, an equivalent density and a bulk modulus
doi:10.1299/transjsme.19-00311
fatcat:czujalxjhfgvxixumy5bwtatl4