材料力学知识点总结

1N+-T+-Q+M+qdxdQ;QdxdMdxlddxdyANPITtWTmaxZIMyZWMmaxbIQSbIQSzzzmaxmax*-EGnANumaxmaxsubumaxmaxtWT1ctmax2ctccmacttmaxbISQzmaxmaxmax20max180PGITyymaxmaxEANdxld;EANLLEAZGITdxdPGITLGIpEIxMx)()(1EIxMy)(''EIA=bh6;1223bhWbhIZZA=42d16;3234dWdItP32;6434dWdIZZ)1(422DA)1(16)1(324344dWdItP)1(6444dIZ)1(3243dWZ1'2)1(2EG1AQA2bsJbsbsAPAjAQ23maxAQ34maxAQ2maxmax1)(9549mNnNmNn/2trT223hbGThbT32max;31;2AaIIZCZabAIIccYZYZ21niiniciicAyAy11niiniciicAzAz112ciiZyASciiyzAS3.iZZII)(iyyII)(1ab.+-+x+2sin2cos22xyxyx2cos2sin2xyxyxxtg22022minmax22xyxyxc(2)1max3min231maxxyxnD'DAcB43)(13211E)(1zyxxE)(11322E)(1xzyyE)(12133E)(1yxzzE*41102322231222234r2243rb1smaxfsfuu131*r11r313r][212132322214r13x55%5%1234bs,,Etgsbb45ob)sincos(yZIzIyMWMAP][4223r][3224r][4)(223NMr][3)(224NMr)sincos(maxmaxyZWWM][WMAPmaxmaxmax][][223ZWTMr][75.0224ZWTMr22)(4)(3tZWTANWMr][22)(4)(4tZWTANWMr][tgIIZytgyZyZyZeiAeIy2*bse4545oZMp45sb62min2)(lEIPcr22EcrcrppiulEbas0Pcrcrp22Ecropcr=a-b0cr=swIcrnPPn][AP1234maxminr2minmaxm2minmaxN=1071N=5-71071101k;101kcroPcr=s22Ecrcr=a-b