Finite element analysis ( fea ) is used to optimise production of gear cases and other structural components , while failure mode and effect analysis ( fmea ) is carried out as part of the design review procedure ensuring a critical appraisal of key design elements and fulfilment of the operating requirements Fea (有限元分析)用來優(yōu)化變速箱及其它結(jié)構(gòu)件的生產(chǎn), fmea (故障模式與效果分析)作為設(shè)計(jì)審查程序的一部分,確保對(duì)重要設(shè)計(jì)部件進(jìn)行嚴(yán)格的鑒定,以達(dá)到運(yùn)作的要求。