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固体火箭技术of Sol i d Rocket Technol ogy第33卷第2期J ournalV01．33 N o．2 201 0Appl i cati onof AD AM S and AN SYS tom echani smanal ysi s_·_‘WZH EN GXi ao．yal ，YO U J un．fen92，ZH AN GD u01，XUCha01(1．Col l egeofAstronauti cs，N orthw estern Pol ytechni cal Uni versi ty，Xi 缸710072，Chi na；2．The 41stInsti tute of the Fourth Academ y of CASC，Xi ，蚰710025，Chi na)Abstract：AN SYSi s sui tabl e for l i near／nonl i near stress and strai nanal ysi s，butnotfor ki nem ati c anddynam i c anal ysi s of m e-ehani calsystem ．H ow ever．AD AM S i s com pl etel y on thecontrary．Thi s paper presents锄approach by com bi ni ngAD AM S w i th AN —SYS i ndynam i c anal ysi sas w el las 8tre98 anddi spl acem entanal ysi s．i ti sprovedthat the m ethod i s feasi bl e．Key w ords：AD AM S；m echani sm ；dynam i c si m ul ati on；ri gi d body；constrai m ；AN SYS；stressD ocum entcode：ACLCN um ber：V435Arti cl e111)：1006-2793(2010)02-0201-04AD AM S和AN SYS在机构分析中的应用郑晓亚1，尤军峰2，张铎1，徐超1( 1．西北工业大学航天学院，西安710072；2．中国航天科技集团公司四院四十一所，西安710025)摘要：针对AN SYS软件适合线彬非线性应力、应变分析，不适合机械系统运动／动力学分析，而ADAM S软件适合机械系统运动／动力学分析，不适合有限元分析的特点，介绍了将AN SYS和ADAM S两种软件结合起来对机械结构进行动力学分析及应力、变形分析的方法，通过实例证明此方法可行。关键词：ADAM S；机构；动力学仿真；刚体；约束；AN SYS；应力0Introducti onW i th the rapi d devel opm entofcom puter technol ogy，di gi talanal ysi sand si m ul ati on softw are have m ade greatprogressesand al ew i del yused．There arem any anal yzi ngtool s i n di fferentfi el ds．Engi neeri ng practi ces have provedthese tool sperform very w el l ．H ow ever，no exi sti ngtool s Canproperl y handl esuchprobl em s鹊m i ssi l el oad a-thatnal ysi s duri ng fl i ght，andstressanal ysi sofm ul ti —body dy-nam i csystem s，etc．，dueto di ffi cul ti es i n boundary condi ：ti on determ i nati on．AN SYS i s sui tabl e for l i near／nonl i near FE stress andstrai n anal ysi s，but not for ki nem ati c anddynam i c anal ysi sof m echani calsystem s．H ow ever，AD AM Si s com pl etel yonthecontrary．Based on characteri sti csof theset w o tool sand D ’Al em bert’Spri nci pl e，an approach by com bi ni ngAN SYS and AD AM Si sdevel opedtoanal yze dynam i cstress and deform ati onanal ysi sof m achi nes．1Approach1．1D ’Al em bert’Spri nci pl eand dynam i c-stati cm ethodD ’Al em bert’s pri nci pl eof parti cl e systemstates thatatany gi ven i nstance the sumof acti ve forces，constrai ntforces，andi nerti a forcesacti ngasystemi s zero．Therefore，a general 印-onevery parti cl e duri ngthe m oti on ofproachofsol vi ngnon-freeparti cl e systemdynam i cl emCan be establ i shed．In thi sapproach，at any gi veni n—prob·stance ofm oti on，i nerti a force ofi n addi ti on to acti ve and constrai ntevery parti cl e i s addedhypotheti cal l yacti ngoni t，80thatparti cl e systemdynam i c probl em sCanbe sol ved asstati cones，w hi chi sm ethod．Thi spri nci pl eform s the foundati on ofpresent印-forcescal l eddynam i c· stati cproach．①Recei ved date：2009- 04- 20；Revi sed date：2009-08—10．Bi ography：ZH EN G Xi an-ya(1980一)，fem al e，Ph．D．candi date，speci al i ty：structural i ntegri ty．E-m ai l ：zhengxy_8042@ nw pu．edu．el tl—-——201· -——万方数据