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標(biāo)題:
關(guān)于ansys14.5的空間桁架
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作者:
懶趴趴的熊
時(shí)間:
2014-3-5 20:03
標(biāo)題:
關(guān)于ansys14.5的空間桁架
初學(xué)ansys,各種不懂。想做一個(gè)空間桁架受力分析,,然后代碼寫了,,導(dǎo)入ansys后加載,實(shí)常數(shù),,單元類型,材料屬性都定義了,就是不求解,,也查不到錯(cuò),求大神們指教T^T
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問題是這樣的:
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線L1,,L9受Y負(fù)方向的均布載荷1000N/m,,關(guān)鍵點(diǎn)7,15,19全約束,受重力場(chǎng)的影響下看它的變形和應(yīng)力,。
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這個(gè)是我寫的APDL代碼
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!桁架分析
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FINISH$/CLEAR$/PREP7
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!方鋁截面
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ET,1,BEAM4
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R,1,0.902E-4,0.534E-8,0.534E-8,0.02,0.02
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MP,EX,1,6.9E10
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MP,PRXY,1,0.33
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MP,DENS,1,2900
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SECTPYE,1,BEAM,HREC
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SECDATA,0.02,0.02,0.0012,0.0012,0.0012,0.0012
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!桁架線體模型
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K,1$K,2,0.140$K,3,0.360$K,4,0.680$K,5,0.930$K,6,1
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K,7,0.680,-0.150$K,8,0.680,-0.120
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L,1,2$L,2,6$L,4,7$L,2,7$L,5,7
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K,9,0,0,-0.360$K,10,0.360,0,-0.360$K,11,1,0,-0.360
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K,12,0.140,,-0.360$K,13,0.680,0,-0.360$K,14,0.930,0,-0.360
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K,15,0.680,-0.150,-0.360$K,16,0.680,-0.120,-0.360
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L,1,9$L,3,10$L,6,11$L,9,12$L,12,11$L,13,15
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L,3,10$L,12,15$L,14,15
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L,8,16
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K,17,0.356,-0.060$K,18,0.356,-0.060,-0.360
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L,17,18
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K,19,1,0,-0.180
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!分網(wǎng)
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LESIZE,ALL,,,10
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LMESH,ALL
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FINISH
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究竟是ansys14的BEAM單元的問題還是我自己的問題,,反正我就是不能用梁?jiǎn)卧赼nsys里求解。用solid95單元的話,,這個(gè)結(jié)構(gòu)分網(wǎng)困難,,難以計(jì)算,,簡(jiǎn)化就不求解,求給位大神指點(diǎn),,小弟感激不盡T^T
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在線急等
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