周期性复合材料板的带隙和减振特性

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中图分类号：TB34 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202401071

Abstract：Teartialprodicstrucure，ititsbadgaracteistsproidappoachforoudilatioaduti responsetothliiatosoftadiioalsondisulationmatealssuchasfoamboad.Intispaper，tegenealiedfeldfuncoethodis adoptedtosolveteeldfunctionhypotsissoutionproblemuderelasticboundaryonsrtsasedonteeegvaratioalpipleand thevirtualsprigmethod，tectsoftitgeometrdataposiioofroictoaematealpatesotdape studied.Theresultssowtatunderthesaefilingrate，tesquareperiodicstructurehasalowerbandgaphileteexagoalpidic structurehasawiderbandgap.Withtheincreaseoftheflingrate，testartigfrequencyofthebandgapofteperiodicstructureshifts downward，thetofreecysiftsparddtbadides.ithtreaseoftitizothhartinadutf frequenciesoftedicuctuedeasdadaosicatestatepicpiepatesidigl cell structure has broad application value in the field of low-frequency vibration reduction.

Keywords： generalized field function method; periodic structure;band gap; virtual spring; variation principle

环境振动污染是影响现代社会生活和工作的重要问题，已被公认为七大环境公害之一[1-2]。（剩余11680字）