1、1ggggcgpz2ggVxzPPcgpz32112AAvvwhgvgpzgvgpz222222221111122QFlhwgpz4gRlhf242gVjh22vReRvdReARgdlhf224dRvR45Re64ReA)(Re,03rf)(04rfRJCV6/11RnCcyuuxlnnmxryuu0603.0006gHAQ 2zgAQ 2gHAQ 2dlc11gZAQc2dlc1L=(3 4)dgdlhHf22lKQH22RAcK28Cgv0HH0v022gjhgv227lzzi216/11RnCRACKhgvw822222gAQhghsE21 FrdhsdEkBkAgQ3232322gq
2、gbQkhhgVFrkkkkkkkkBCgBRCgAi22bQqinqhihbhhnRibhRnQ5/302/1006/1006/111kkkkkshhhgvhE 5.12122min92221 FrKQidsdh0dsdh0dsdhJikQidsdEs22JiEEJiEssusds2201)(1FrKKidsdh10HeHeHeHe23012 HgbmQs18122211Frhh18121222Frhh11ehc 202ghbQess s132(3) hchc =2 e23012 HgbmQs2/3012 HgbQmS3/2102mgbQHS0Hhs22202cAgQchE12E0Ac7 1
3、1hcAchchchthchchchthchthcht(4)d c Lkdd =jhc1z ht hc17 8 7 9 zhc1hc1j,j= 1.05 1.10LkLj. 0.8Lk= . 0.8 Lj122022chgchEq132a LcLt0 00vB ApA BcLtcL 200 vA B B AcLtcL 3200vA BpA B00 vB A B Am/sk 19.6 108N/m2E 19.61010N/m2Dc =1000m/s3TsTDEkc1143514TsTTsT4p= c(V0-V) c v0v512 Ts36x x x x xx x y zdu u u u ua u
4、 u udt t x y zyx zuu u udx dy dz ds1yx zuu udx dy dz dt)(0VVgcH151 ux, uy, uz234i i ix =y =z = 0x y z01 uxdy-uydx=0(x,y)12 = 34 902 (x,y,z)d = ux dx+uydyzzuzyyuxxxux,)(21),(21),(21yxuxyuzxzuzxuyzyuyzux)(21),(21),(21yxuxyuzxzuzxuyzyuyzuxzzuyyuxxu ,xuyyux,02222yx16123 =412 =1234= kJ 15 1J k17JkDupit15 2H= ki 15 3q = kih015 4i i J h0hkiki 0i = 0 i 0i 0 15 5i =0 15 6i 0 15 71=h1/h0 2=h2/h0h1h2s h0i i= i h0i = h/ h0 )11g3.2(12120lihs)11g3.2(12120lihs)(22221hhskqsHkddJsHdd
