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《利用ansys生成变截面箱梁》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、利用ANSYS生成变截面箱梁 Beam188/189支持自定义的变截面1、首先建立变截面箱梁截面，并保存截面。必须保证每个截面的关键点号相同，而且为保证生成的准确性，应尽量的使得关键点有足够多的数目。2、要对截面进行面积分块，并指定各线段的段数，这样才能做出规整的箱梁截面网格划分，也就保证了变截面箱梁桥各截面的网格模式相同，建议对于变化急剧的两边截面应使得线足够的短。并不是划分越密越可能成功，而是线越短越可能成功3。通过梁节段两端对应的截面建立taper截面，定义好桥的线形后，指定每段线对应的tape
2、r截面。4、可以用slist命令查看生成截面的性质，加深对secread命令的理解以下例进行说明： Ⅰ-Ⅰ截面图 全梁1/2图示Ⅰ-Ⅰ截面命令流finish/clear/prep7k,1k,2,2750k,3,3350,2400k,4,5450,2750k,5,6700,2850k,6,6700,3050k,7,0,3050k,8,0,280k,9,2359,280k,10,2886,2400k
3、,11,1836,2750k,12,0,2750l,1,2l,2,3l,3,4l,4,5l,5,6l,6,7l,8,9l,9,10l,10,11l,11,12l,1,8l,7,12al,allarsym,x,allaadd,1,2nummrg,allnumcmp,alladele,1l,2,9l,13,20l,14,19l,10,3l,1,8al,22,17,25,19al,25,1,21,7lcomb,15,20wpoffs,-5450,2750wprota,,,90lsbw,18wpcsys,-1w
4、poffs,-3350,2400wprota,,,90lsbw,20wpcsys,-1wpoffs,-2886,2400wprota,,,90lsbw,18wpcsys,-1l,15,18l,14,21l,19,22l,7,12al,14,13,18,26al,18,12,29,27al,29,23,30,28al,30,15,31,20lcomb,9,10wpoffs,5450,2750wprota,,,90lsbw,6wpcsys,-1wpoffs,3350,2400wprota,,,90lsbw,
5、32wpcsys,-1wpoffs,2886,2400wprota,,,90lsbw,6wpcsys,-1l,4,11l,3,23l,10,24al,5,4,6,10al,3,6,33,35al,24,35,34,36al,9,36,32,31ldiv,16,,,4ldiv,11,,,4ldiv,2,,,4ldiv,8,,,4l,30,27l,29,26l,28,25l,36,33l,35,32l,34,31al,23,42,49,39al,49,41,50,38al,50,40,51,37al,51,
6、11,22,16al,24,48,52,45al,52,47,53,44al,53,46,54,43al,54,8,21,2nummrg,allnumcmp,allet,1,82lesize,1,,,4lesize,17,,,4lesize,19,,,4lesize,7,,,4lesize,22,,,1lesize,21,,,1lesize,25,,,1mshape,1,2dmshkey,2amesh,1amesh,2lesize,23,,,1lesize,42,,,1lesize,39,,,1lesi
7、ze,49,,,1lesize,41,,,1lesize,50,,,1lesize,38,,,1lesize,40,,,1lesize,37,,,1lesize,51,,,1lesize,11,,,1lesize,16,,,1lesize,22,,,1lesize,24,,,1lesize,45,,,1lesize,48,,,1lesize,52,,,1lesize,44,,,1lesize,47,,,1lesize,53,,,1lesize,43,,,1lesize,46,,,1lesize,54,,
8、,1lesize,2,,,1lesize,8,,,1lesize,21,,,1mshape,0,2dmshkey,1amesh,11amesh,12amesh,13amesh,14amesh,15amesh,16amesh,17amesh,18lesize,13,,,2lesize,26,,,2lesize,14,,,1lesize,18,,,1mshape,1,2dmshkey,2amesh,3lesize,12,,,3lesize,27
