組合梁ansys建模(用彈簧模擬滑移)

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1、/COM,Structural/config,NRES,90000/UNITS,SI/prep7gybh=0.010!鋼梁翼板厚度10mmgybk=0.150!鋼梁翼板寬度150mmgfbh=0.007!鋼梁腹板厚度7mmgfbg=0.130!鋼梁腹板高度130mmhntbh=0.075!混凝土板厚度75mmhntbk=0.600!混凝土板寬度600mmhntbch=6.000!每節(jié)混凝土板長度6000mmglch=6.200!每節(jié)鋼梁總長度600mmxhntbh=0.060!混凝土板厚度60mmxhntbk=0.220!混凝土板寬度220mmxhntbch=1.

2、200!每節(jié)混凝土板長度1200mmet,1,solid65,,,,,,3!定義混凝土板單元et,2,shell43!定義鋼梁單元et,3,combin39,,,0!定義彈簧單元combin39et,4,solid45!定義墊板單元et,5,link8!定義縱向鋼筋單元mp,ex,1,1.9095E10!定義混凝土板的彈性模量N/mm2mp,prxy,1,0.20!定義混凝土板的泊松比mp,dens,1,2.6e3!定義混凝土板的密度mp,ex,2,2.10E11!定義鋼梁及一級(jí)鋼筋的彈性模量mp,prxy,2,0.30!定義鋼梁及一級(jí)鋼筋的泊松比mp,dens,

3、2,7.85e3!定義鋼梁及一級(jí)鋼筋的密度mp,ex,3,2.00E11!定義二級(jí)鋼筋的彈性模量mp,prxy,3,0.3!定義二級(jí)鋼筋的泊松比mp,dens,3,7.85e3!定義二級(jí)鋼筋的密度mp,ex,4,2.02E11!定義墊板材料特性mp,prxy,4,0.3tb,miso,1!混凝土屈服準(zhǔn)則*do,e,0.0002,0.002,0.0001tbpt,,e,20.1e6*(1000*e-500*500*e*e)*enddotbpt,,0.0035,20.1e6!該處將0.0033改為了0.0035tbpl,miso,1tb,concr,1!混凝土破壞準(zhǔn)則

4、tbdata,,0.6,0.8,2.01e6,-1tb,bkin,2,1,2!鋼梁及一級(jí)鋼筋的本構(gòu)關(guān)系tbdata,,235e6,10.3e6tbpl,bkin,2tb,bkin,3,1,2!二級(jí)鋼筋的本構(gòu)關(guān)系tbdata,,335e6,10.3e6!335屈服應(yīng)力，10代表屈服后的切線模量tbpl,bkin,3r,1,2,0.00745,90,90!定義上混凝土板實(shí)常數(shù)r,2,2,0.00673,90,90!定義下混凝土板實(shí)常數(shù)r,3,gybh,gybh,gybh,gybh!定義鋼梁上下翼緣的厚度r,4,gfbh,gfbh,gfbh,gfbh!定義鋼梁腹板厚度r

5、,5,0,0,0.00002,12175,0.00004,16021!定義彈簧的荷載變形曲線rmore,0.00005,17492,0.00006,18789,0.00007,19956rmore,0.00008,21022,0.00009,22006,0.0001,22921rmore,0.0002,29831,0.0003,34610,0.0004,38313rmore,0.0005,41338,0.0006,43887,0.0007,46078rmore,0.0008,47989,0.0009,49673,0.001,51169rmore,0.002,611

6、24,0.003,63521r,6!墊板實(shí)常數(shù)r,7,0.00004398!上混凝土板中縱筋的橫截面積（折合而來）r,8,0.000050265!下混凝土板中縱筋的橫截面積!***********************************************************************!注：鋼梁總長6200mm，跨度為3000+3000，在兩端支座外各留出了100mmblc4,0,0,glch,gfbg!鋼梁腹板csys,4wprota,,-90blc4,0,-gybk*0.5,glch,gybk*0.5!鋼梁下翼板之半(一次建成整個(gè)

7、板時(shí)無法用aglue命令)blc4,0,0,glch,gybk*0.5!鋼梁下翼板之半(一次建成整個(gè)板時(shí)無法用aglue命令)wpoffs,0,0,gfbgblc4,0,-gybk*0.5,glch,gybk*0.5!鋼梁上翼板之半(一次建成整個(gè)板時(shí)無法用aglue命令)blc4,0,0,glch,gybk*0.5!鋼梁上翼板之半(一次建成整個(gè)板時(shí)無法用aglue命令)wpoffs,0.100!用工作平面切割梁體然后添加加勁肋wprota,,,-90asbw,allwpoffs,,,-hntbch*0.5asbw,allwpoffs,,,-0.5*hntbchas

8、bw,al