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三跨连续梁桥的分析(analysis-of-three-span-continuous-beam-bridge教学内容.doc

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此文档收集于网络,如有侵权请联系网站删除 三跨连续梁桥的分析(Analysis of three span continuous beam bridge) 菲尼 /清晰 三跨连续梁桥 / prep7 !上顶板的关键点位置 K,1,0,0 K,2,- 2.1 K,3,2.6,-0.125 K,4,2.8,-0.125 K,5,3,-0.125 K,6,3.4857,-0.1036 K,7,3.9714,-0.0821 K,8,4.4571,-0.0607 K,9,4.9429,-0.0393 K,10,5.4286,-0.0179 K,11,0.0036 - 5.9143, K,12,0.025 - 6.4, !下底板的关键点位置 K、13、2.8,-1.85 K、14、-1.85 !上顶板关键点49m位置 kgen,9,1,12,1,0,0,49 / 8100 !上顶板关键点50m位置 kgen,2,1,12,1,0,0,50900 !上顶板关键点50 + 34.5m位置 kgen,9901912,1,0,0, 34.5/8100 !上顶板关键点50+35m位置 kgen,2901912,1,0,0,35900 !板的高度由1.85m变至3.875m C1=0.000843399!49m边跨的二次抛物线系数 C2=0.001701323!34.5m边跨的二次抛物线系数 *暗淡,X1,数组,8!定义边跨的八分点位置 *做的事,我1,8,1 X1(i)= i * 49/8 * enddo *昏暗,x2,数组,8!定义中跨的八分点位置 *做的事,我1,8,1 X2(我)=我34.5/8 * enddo !下底板边跨(4900万)八分点关键点的Y坐标位置 *暗淡,镱,数组,8 *做的事,我1,8,1 镱(I)=C1×X1(i)** 2 * enddo !下底板中跨(34.5m)八分点关键点的Y坐标位置 *暗,YM,阵列,8 *做的事,我1,8,1 YM(我)= C2 *(X2(I)- 34.5)* 2 + 2.025 * enddo !生成下底边跨(4900万)八分点的关键点 *做的事,我1,8,1 kgen,2,13,14,1,0,-镱(I),X1(我),我* 100 * enddo !下底板50m处关键点 kgen,2813814,1,0,0,1100 !生成下底中跨(50+34.5m)八分点的关键点 *做的事,我1,8,1 kgen,2913914,1,0,YM(我),X2(我),我* 100 * enddo !边墩处的横隔板位置 !1、2、3、4~14为0m处横隔板位置的所有关键点 !51,52,53~54为- 0.5m处横隔板位置的所有关键点 kgen,2,1,14,1,0,,- 0.5,50 !中墩处的横隔板位置 !801802803804~814为49m处横隔板位置的所有关键点 !901902903~904为50m处横隔板位置的所有关键点 !连成板面 !上顶板,板厚0.25m 等,1、Shell63 MP,窝点,12500 国会议员、前,1 3.5e10 MP,prxy,、0.1667 R为0.25 *做的事,我0,16,1 一、1 +我100,1 +(i + 1)* 100,2 +(i + 1)* 100,2 +我* 100 * enddo 一、1,51,52,2 画面,1,1,1 切,没有 !上顶板的加腋,板厚0.375m R、0.375 *做的事,我0,16,1 一、2 +我100,2 +(i + 1)* 100,3 +(i + 1)* 100,3 +我* 100 * enddo 一、2,52,53,3 画面,1,2, One Asel, none ! rib and flange junction plate thickness 0.5m R, 3,0.5 *do, I, 0,16,1 A, 3+i*100,3+ (i+1), *100,4+ (i+1), *100,4+i*100 A, 4+i*100,4+ (i+1), *100,5+ (i+1), *100,5+i*100 *enddo A, 3,53,54,4 A, 4,54,55,5 AATT, 1,3,1 Asel, none ! the flange thickness gradient, the gradient defined below the flange thickness *dim, HD, array, 9 Hd (9) =0.2 Hd (8) =1* (3.4/7) *0.3/3.4+0.2 Hd (7) =2* (3.4/7) *0.3/3.4+0.2 Hd (6) =3* (3.4/7) *0.3/3.4+0.2 Hd (5) =4* (3.4/7) *0.3/3.4+0.2 Hd (4) =5* (3.4/7) *0.3/3.4+0.2 Hd (3) =6* (3.4/7) *0.3/3.4+0.2 Hd (2) =7* (3.4/7) *0.3/3.4+0.2 Hd (1) =0.5 *do, I, 1,8,1 R, 30+i, HD (I), HD (I), HD (i+1), HD (i+1) - define the flange thickness of the gradient *enddo *do, I, 0,16,1 *do, K, 5,11,1 A, k+i*100, k+ (i+1), *100, k+1+ (i+1), *100, k+1+i*100 A, K, k+50, k+1+50, k+1 AATT, 1, k+26,1 Asel, none *enddo *enddo Asel, none The thickness of 0.5m floor! R, 4,0.5 *do, I, 0,16,1 A, 4+i*100,4+ (i+1), *100,13+ (i+1), *100,13+i*100 *enddo A, 4,54,63,13 AATT, 1,4,1 Asel, none Bottom plate thickness 0.25m to 0.4m, by 2 times parabola over C3=6.2474e-05 two parabolic coefficients of thickness variation across the bottom plate C4=0.000126024 the two parabolic coefficients of the thickness change of the mid span floor *dim, H1, array, 8, cross the bottom thickness *do, I, 1,8,1 H1 (I) =0.25+c3*x1 (I) **2 *enddo *dim, H2, array, 9, mid span floor thickness *do, I, 1,8,1 H2 (I) =0.25+c4*x2 (I) **2 *enddo H2 (9) =0.4 Generation of cross border backplane units *do, I, 1,8,1 R, 10+i, H1 (I) A, 13+ (i-1), *100,13+i*100,14+i*100,14+ (i-1), *100 AATT, 1,10+i, 1 Asel, none *enddo Generate the backplane units of the midspan *do, I, 1,9,1 R, 20+i, H2 (I) A, 13+ (i+7), *100,13+ (i+8), *100,14+ (i+8), *100,14+ (i+7), *100 AATT, 1,20+i, 1 Asel, none *enddo A, 13,63,64,14 AATT, 1,20+i, 1 Asel, none R, 50,0.5! Diaphragm thickness 2m A, 1,2,13,14! End diaphragm! A, 51,52,63,64 A, 801802813814 A, 901902913914 AATT, 1,50,1 Allsel Esize, 0.4 Mshape, 0 Mshkey, 1 Amesh, all Nsel, all Nsym, x, 10000, all Esym, x, 10000, all Local, 11,0,, 84.5 Csys, 11 Allsel Nsym, Z, 100000, all Esym, Z, 100000, all Allsel Nummrg, all Numcmp, all Csys, 0 Apply the support constraint Support! Location choice in the rib plate (end support) Nsel, s, LOC, y, -1.85 Nsel, R, LOC, x, -3, -2.6 Nsel, R, LOC, Z, -0.5,0 D, all, UX,,,, uy, ROTY, Rotz allsel nsel, s, loc, y, -1.85 nsel, r, loc, x, 3,2.6 nsel, r, loc, z, - 0.5,0 d, all, ux,,,,, uy, roty, rotz allsel nsel, s, loc, y, -1.85 nsel, r, loc, x, - 3, - 2.6 nsel, r, loc, z, 169169.5 d, all, ux,,,,, uy, roty, rotz allsel nsel, s, loc, y, -1.85 nsel, r, loc, x, 3,2.6 nsel, r, loc, z, 169169.5 d, all, ux,,,,, uy, roty, rotz ! 中部支座 allsel nsel, s, loc, y, -3.875 nsel, r, loc, x, 3,2.6 nsel, r, loc, z, 49,50 d, all, ux,,,,, uy, roty, rotz allsel nsel, s, loc, y, -3.875 nsel, r, loc, x, - 3, - 2.6 nsel, r, loc, z, 49,50 d, all, ux,,,,, uy, roty, rotz allsel nsel, s, loc, y, -3.875 nsel, r, loc, x, - 3, - 2.6 nsel, r, loc, z, 119120 d, all, ux,,,,, uy, uz, roty, rotz allsel nsel, s, loc, y, -3.875 nsel, r, loc, x, 3,2.6 nsel, r, loc, z, 119120 d, all, ux,,,,, uy, uz, roty, rotz ! 工况1 一期恒载 allsel / solu acel, 9.8 the solve fini 此文档仅供学习和交流
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