滑撬式起落架着陆载荷计算方法

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中图分类号：V226 文献标志码：A 文章编号：2095-2945（2026）08-0051-05

Abstract：Thedesignofskid-typelandinggeartypicallreliesondynamicsimulationmodelstocalculatelandingloads， whichis time-consumingandcomputationallexpensive.Thispaperproposesanalternativemethodbasedonstaticfiniteelement analysiscombinedwithanalyticalsolutionsandgraphicalmethodsforrapidloadcalculation，withouttheneedfordynamic simulationmodels.Twomodels，i.e.linearandnonlinear，aredeveloped：thelinearmodelprovidesanalyticalsolutionsandis applicabletoconditionswherethematerialremainswithintheelasticrange；thenonlinearmodelcalculatesloadsthrough graphicalmethodsandissuitableforcasesinvolving materialyielding.Alandingdynamicmodelofaspecifichelicopteris establishedtovalidatetheproposedmethod.Theresultsshowthatthelinear modelhasaloadcalculationerrorof 8.8 % ，while the nonlinear model has an error of 12.7% .Both are considered acceptable for the accuracy requirements during the conceptual design phase.

Keywords： helicopter; skid-type landing gear; landing load; engineering algorithm; nonlinear

滑撬式起落架因其结构简单、重量轻、维护便捷在轻型直升机中得到广泛应用。（剩余4758字）