Palavra-chave: PERIODIC STRUCTURES

SLUG FLOW INCERTEZA PARAMETRICA VISCOELASTICITY VARIABILITY ACOUSTIC-STRUCTURE SYSTEMS ACÚSTICA BESO METHOD CRISTAL FONÔNICO PRONY PROPAGAÇÃO DE ONDAS TWO-PHASE FLOW INDUCED VIBRATION MUFFLER BAND GAP INTERMITTENT FLOW SLUG FLOW DUTOS CRISTAIS FONÔNICOS VIGAS PLANE WAVE EXPANSION ONDAS EVANESCENTES WAVE FINITE ELEMENT METHOD INTERMITTENT FLOW COMPLEX BAND STRUCTURE BANDAS PROIBIDAS SILENCIADOR INCERTEZA METAMATERIALS TOPOLOGY OPTIMIZATION ROBUST OPTIMIZATION WAVE PROPAGATION METAESTRUTUAS