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1、 maxNmax AF crFF crFF crFF mm wBxy l F B )(xfw FwxM )( FwxMEIw )( ( a)EIFk 2(b)式 的 通 解 為 )c(cossin kxBkxAw )02 wkw (b) B 0,0 wx 0, wlx 000cos0sin BBA 0klAsin 0A 0sin kl00 wA , mm wBxy l F),2,1,0(0sin nnklkl ),2,1,0(2 nnklEIFk ),2,1,0(222 nl EInF 2cr 2EIF lkl kxklw sin2sin mm wBxy l Flxw sin of lFcr
2、2l( ) 2cr 22EIF l Fcr l0.3l0.7l( . ) 2cr 207EIF lFcrl 2cr 2EIF l l22cr )( lEIF lFcrl/4l/4l/2( / ) 2cr 22EIF l l 22cr lEIF 22cr )7.0( lEIF 22cr )5.0( lEIF 22cr )2( lEIF 22cr )( lEIF 22cr )( lEIF zyx x 880 1000y zy x z880 FF lx z880 x 880 1000y zy kN6.134 )11( 105.6101.214.3)( 2 811222cr lEIF x 880 10
3、00y zykN4.406 )88.05.0( 108.3101.214.3)( 2 811222cr lEIF FFlx z880 AlEIAF 22crcr )( ( ) ( ) ( / ) 2 2 22crcr 2 2 2 F EI E E iA l A l l i il AIi 22cr E crcr AF 2cr p2 E 1 p E 2p E 91 6p 206 10 100200 10E scr ba 12 ba s ba s 2 1 12 22cr )( lEIF ba cr scr 2 scr ba cr 22cr E cr Ps dF1.3 a B F1.6 a Ca FA
4、 al 22 al 3.11 aal 12.16.17.07.0 dF1.3 a B F1.6 a Ca FA 30mm20mm yz 1 p 99E m0058.002.003.0 )02.003.0(121 3 AIi yy m0087.0 AIi zz 15.0 zy 30mm20mm yz11586 zzzyyy i li l kN5.89 22crcr zEAAF 1 p 100E 2222 44 414 )( 64 )( dDdD dDAIi 1004 122 dD lil m6.114 04.005.0100 22min l m2.143 min ll 122 754 dD li
5、l 5712.1 240304s2 ba kN5.155)(4)( 22crcr dDbaAF stcrnFF stcr nFFn 1 p 86E 4dAIi 15.62 il 2.43s2 ba MPa301cr ba MPa478crcr AF . stcr nFFn 511 pD 活 塞 桿活 塞 d N39804 2 pDF N23900stcr FnF AIi il pD 活 塞 桿活 塞 d 2 4222cr )( 64)( l dElEIF 2004 dlil 97 P1 E A BC F0.6 0.30.8 0 CM 06090 .sin. N FF 8.0 6.08.0sin 22 FF 272.N 1 P 99E 4dAIi A BC F0.6 0.30.8 180 il s2 57a b 12 MPa214cr ba kN268 Ncrcr FAF FF 27.2N A BC F0.6 0.30.8