<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<meta name="generator" content="pdf2htmlEX">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css">
<link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css">
<link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/62645e374f8811599e47b305/raw.css">
<script src="https://static.pudn.com/base/js/compatibility.min.js"></script>
<script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script>
<script>
try{
pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});
}catch(e){}
</script>
<title></title>
</head>
<body>
<div id="sidebar" style="display: none">
<div id="outline">
</div>
</div>
<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62645e374f8811599e47b305/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0">第</span><span class="_ _0"> </span><span class="ff2"><span class="fc1 sc0">1</span><span class="_ _1"> </span></span><span class="fc1 sc0">页，共</span><span class="_ _2"> </span><span class="ff2"><span class="fc1 sc0">2</span><span class="fc1 sc0">4</span><span class="_ _0"> </span></span><span class="fc1 sc0">页</span></div><div class="t m0 x2 h3 y2 ff1 fs1 fc0 sc1 ls0 ws0">《有限<span class="_ _3"></span>元方法与应用<span class="_ _3"></span>》</div><div class="t m0 x3 h3 y3 ff1 fs1 fc0 sc1 ls0 ws0">课程论<span class="_ _3"></span>文</div><div class="t m0 x4 h4 y4 ff1 fs2 fc0 sc1 ls0 ws0">姓<span class="_ _2"> </span>名：<span class="_ _4"> </span>袁永强</div><div class="t m0 x4 h4 y5 ff1 fs2 fc0 sc1 ls0 ws0">学<span class="_ _2"> </span>号：<span class="_ _5"> </span>21<span class="_ _3"></span>20<span class="_ _3"></span>6<span class="_ _6"> </span>08<span class="_ _3"></span>3</div><div class="t m0 x4 h4 y6 ff1 fs2 fc0 sc1 ls0 ws0">手<span class="_ _7"> </span>机<span class="_ _8"> </span>号<span class="_ _9"> </span>：<span class="_ _a"> </span>15<span class="_ _3"></span>30<span class="_ _3"></span>9809776</div><div class="t m0 x4 h4 y7 ff1 fs2 fc0 sc1 ls0 ws0">邮<span class="_ _2"> </span>箱<span class="_ _9"> </span>：<span class="_ _b"> </span>57<span class="_ _3"></span>39<span class="_ _3"></span>51451@qq<span class="_ _3"></span>.com</div><div class="t m0 x4 h4 y8 ff1 fs2 fc0 sc1 ls0 ws0">任课老师：<span class="_ _c"> </span>蔡志勤<span class="_ _d"> </span>郑勇刚</div><div class="t m0 x5 h4 y9 ff1 fs2 fc0 sc1 ls0 ws0">所在院系：<span class="_ _e"> </span>建设工程学部<span class="_ _f"> </span>防灾减灾工程</div><div class="t m0 x6 h5 ya ff2 fs3 fc0 sc0 ls0 ws0">201<span class="_ _10"> </span>3<span class="_ _11"> </span>/<span class="_ _1"> </span>5<span class="_ _12"> </span>/<span class="_ _1"> </span>24</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
</body>
</html>
<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62645e374f8811599e47b305/bg2.jpg"><div class="t m0 x7 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">《有限元方法与应用》课程论文</div><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">第<span class="_ _0"> </span><span class="ff2">1<span class="_ _1"> </span></span>页，共<span class="_ _2"> </span><span class="ff2">11<span class="_ _0"> </span></span>页</div><div class="t m0 x8 h6 yc ff3 fs1 fc0 sc0 ls0 ws0">基于</div><div class="t m0 x8 h6 yd ff3 fs1 fc0 sc0 ls0 ws0">基于</div><div class="t m0 x8 h6 ye ff3 fs1 fc0 sc0 ls0 ws0">基于</div><div class="t m0 x9 h6 yc ff3 fs1 fc0 sc0 ls0 ws0">基于<span class="_ _13"> </span>an<span class="_ _3"></span>sy<span class="_ _3"></span>s</div><div class="t m0 xa h6 yd ff3 fs1 fc0 sc0 ls0 ws0">an<span class="_ _3"></span>sy<span class="_ _3"></span>s</div><div class="t m0 xa h6 ye ff3 fs1 fc0 sc0 ls0 ws0">an<span class="_ _3"></span>sy<span class="_ _3"></span>s</div><div class="t m0 xb h6 yc ff3 fs1 fc0 sc0 ls0 ws0">an<span class="_ _3"></span>sy<span class="_ _3"></span>s<span class="_ _14"> </span>分析三<span class="_ _3"></span>层框架结构地<span class="_ _3"></span>震动响应</div><div class="t m0 xc h6 yd ff3 fs1 fc0 sc0 ls0 ws0">分析三<span class="_ _3"></span>层框架结构地<span class="_ _3"></span>震动响应</div><div class="t m0 xc h6 ye ff3 fs1 fc0 sc0 ls0 ws0">分析三<span class="_ _3"></span>层框架结构地<span class="_ _3"></span>震动响应</div><div class="t m0 xd h6 yc ff3 fs1 fc0 sc0 ls0 ws0">分析三<span class="_ _3"></span>层框架结构地<span class="_ _3"></span>震动响应</div><div class="t m0 xe h7 yf ff1 fs3 fc0 sc0 ls0 ws0">袁永<span class="_ _3"></span>强</div><div class="t m0 xf h8 y10 ff2 fs2 fc0 sc0 ls0 ws0">(<span class="_ _15"> </span><span class="ff1 fs0">大连理工大学<span class="_ _16"> </span>建工学部<span class="_ _17"> </span>辽宁<span class="_ _18"> </span>大连<span class="_ _19"> </span><span class="ff2">11<span class="_ _1a"></span>6024<span class="_ _1b"> </span></span></span>)</div><div class="t m0 x10 h9 y11 ff3 fs3 fc0 sc0 ls0 ws0">摘<span class="_ _3"></span>要</div><div class="t m0 x10 h9 y12 ff3 fs3 fc0 sc0 ls0 ws0">摘<span class="_ _3"></span>要</div><div class="t m0 x10 h9 y13 ff3 fs3 fc0 sc0 ls0 ws0">摘<span class="_ _3"></span>要</div><div class="t m0 x10 h9 y11 ff3 fs3 fc0 sc0 ls0 ws0">摘<span class="_ _3"></span>要<span class="_ _1c"> </span><span class="ff1 fs4">为了<span class="_ _3"></span>研究地<span class="_ _3"></span>震动作<span class="_ _3"></span>用下框<span class="_ _3"></span>架结构<span class="_ _3"></span>的抗震<span class="_ _3"></span>性能，<span class="_ _3"></span>以一幢<span class="_ _3"></span>四跨三<span class="_ _3"></span>层混凝<span class="_ _3"></span>土框架</span></div><div class="t m0 x10 ha y14 ff1 fs4 fc0 sc0 ls0 ws0">结构<span class="_ _3"></span>建筑为<span class="_ _3"></span>研究对<span class="_ _3"></span>象，将<span class="_ _3"></span>参数化<span class="_ _3"></span>设计思<span class="_ _3"></span>想与有<span class="_ _3"></span>限元分<span class="_ _3"></span>析方法<span class="_ _3"></span>相结合<span class="_ _3"></span>，用<span class="_ _1d"> </span>an<span class="_ _3"></span>sys<span class="_ _1e"> </span>进行</div><div class="t m0 x10 ha y15 ff1 fs4 fc0 sc0 ls0 ws0">有限<span class="_ _3"></span>元建模<span class="_ _3"></span>分析，<span class="_ _3"></span>采用数<span class="_ _3"></span>值模拟<span class="_ _3"></span>方法和<span class="_ _1f"> </span>SR<span class="_ _3"></span>SS<span class="_ _20"> </span>方法<span class="_ _3"></span>，从结<span class="_ _3"></span>构整体<span class="_ _3"></span>水平冲<span class="_ _3"></span>击地震<span class="_ _3"></span>动作</div><div class="t m0 x10 ha y16 ff1 fs4 fc0 sc0 ls0 ws0">用下<span class="_ _3"></span>三层框<span class="_ _3"></span>架结构<span class="_ _3"></span>进行模<span class="_ _3"></span>态分析<span class="_ _3"></span>，并与<span class="_ _3"></span>普通地<span class="_ _3"></span>震动作<span class="_ _3"></span>用下的<span class="_ _3"></span>结果进<span class="_ _3"></span>行了比<span class="_ _3"></span>较，结<span class="_ _3"></span>果</div><div class="t m0 x10 ha y17 ff1 fs4 fc0 sc0 ls0 ws0">表明<span class="_ _3"></span>：地震<span class="_ _3"></span>动作对<span class="_ _3"></span>结构伤<span class="_ _3"></span>害主要<span class="_ _3"></span>为剪力<span class="_ _3"></span>伤害，<span class="_ _3"></span>结构破<span class="_ _3"></span>坏以底<span class="_ _3"></span>层框架<span class="_ _3"></span>结构的<span class="_ _3"></span>剪切变<span class="_ _3"></span>形</div><div class="t m0 x10 ha y18 ff1 fs4 fc0 sc0 ls0 ws0">破坏<span class="_ _3"></span>为主，<span class="_ _3"></span>框架柱<span class="_ _3"></span>上下端<span class="_ _3"></span>为薄弱<span class="_ _3"></span>部位，<span class="_ _3"></span>须加强<span class="_ _3"></span>柱端的<span class="_ _3"></span>抗震延<span class="_ _3"></span>性设计<span class="_ _3"></span>。</div><div class="t m0 x10 hb y19 ff3 fs2 fc0 sc0 ls0 ws0">关键词</div><div class="t m0 x10 hb y1a ff3 fs2 fc0 sc0 ls0 ws0">关键词</div><div class="t m0 x10 hb y1b ff3 fs2 fc0 sc0 ls0 ws0">关键词</div><div class="t m0 x10 hb y19 ff3 fs2 fc0 sc0 ls0 ws0">关键词<span class="_ _21"> </span><span class="ff4 fs4">框架<span class="_ _3"></span>结构<span class="_ _22"> </span>结构<span class="_ _3"></span>地震损<span class="_ _3"></span>伤模型<span class="_ _23"> </span>有限<span class="_ _3"></span>元建模</span></div><div class="t m0 x11 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">T</div><div class="t m0 x11 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">T</div><div class="t m0 x11 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">T</div><div class="t m0 x11 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">T<span class="_ _24"> </span>he</div><div class="t m0 x12 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">he</div><div class="t m0 x12 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">he</div><div class="t m0 x12 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">he<span class="_ _19"> </span>anal<span class="_ _1a"></span>ysis</div><div class="t m0 x13 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">anal<span class="_ _1a"></span>ys<span class="_ _3"></span>is</div><div class="t m0 x13 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">anal<span class="_ _1a"></span>ys<span class="_ _3"></span>is</div><div class="t m0 x13 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">anal<span class="_ _1a"></span>ys<span class="_ _3"></span>is<span class="_ _25"> </span>of</div><div class="t m0 x14 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">of</div><div class="t m0 x14 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">of</div><div class="t m0 x14 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">of<span class="_ _8"> </span>the</div><div class="t m0 x15 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">the</div><div class="t m0 x15 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">the</div><div class="t m0 x15 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">the<span class="_ _26"> </span>thre<span class="_ _1a"></span>e</div><div class="t m0 x16 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">thre<span class="_ _1a"></span>e</div><div class="t m0 x16 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">thre<span class="_ _1a"></span>e</div><div class="t m0 x16 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">thre<span class="_ _1a"></span>e<span class="_ _27"> </span>l<span class="_ _1a"></span>aye<span class="_ _3"></span>rs</div><div class="t m0 x17 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">l<span class="_ _1a"></span>aye<span class="_ _3"></span>rs</div><div class="t m0 x17 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">l<span class="_ _1a"></span>aye<span class="_ _3"></span>rs</div><div class="t m0 x17 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">l<span class="_ _1a"></span>aye<span class="_ _3"></span>rs<span class="_ _28"> </span>of</div><div class="t m0 x18 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">of</div><div class="t m0 x18 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">of</div><div class="t m0 x18 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">of<span class="_ _8"> </span>f<span class="_ _1a"></span>rame</div><div class="t m0 x19 hc y1d ff5 fs5 fc0 sc0 ls0 ws0">fr<span class="_ _1a"></span>ame</div><div class="t m0 x19 hc y1e ff5 fs5 fc0 sc0 ls0 ws0">fr<span class="_ _1a"></span>ame</div><div class="t m0 x19 hc y1c ff5 fs5 fc0 sc0 ls0 ws0">fr<span class="_ _1a"></span>ame<span class="_ _28"> </span>str<span class="_ _1a"></span>ucture</div><div class="t m0 x1a hc y1d ff5 fs5 fc0 sc0 ls0 ws0">str<span class="_ _1a"></span>ucture</div><div class="t m0 x1a hc y1e ff5 fs5 fc0 sc0 ls0 ws0">str<span class="_ _1a"></span>ucture</div><div class="t m0 x1a hc y1c ff5 fs5 fc0 sc0 ls0 ws0">str<span class="_ _1a"></span>ucture</div><div class="t m0 x1b hc y1f ff5 fs5 fc0 sc0 ls0 ws0">seis<span class="_ _1a"></span>mic</div><div class="t m0 x1b hc y20 ff5 fs5 fc0 sc0 ls0 ws0">seis<span class="_ _1a"></span>mic</div><div class="t m0 x1b hc y21 ff5 fs5 fc0 sc0 ls0 ws0">seis<span class="_ _1a"></span>mic</div><div class="t m0 x1b hc y1f ff5 fs5 fc0 sc0 ls0 ws0">seis<span class="_ _1a"></span>mic<span class="_ _29"> </span>res<span class="_ _1a"></span>ponse</div><div class="t m0 x1c hc y20 ff5 fs5 fc0 sc0 ls0 ws0">res<span class="_ _1a"></span>ponse</div><div class="t m0 x1c hc y21 ff5 fs5 fc0 sc0 ls0 ws0">res<span class="_ _1a"></span>ponse</div><div class="t m0 x1c hc y1f ff5 fs5 fc0 sc0 ls0 ws0">res<span class="_ _1a"></span>ponse<span class="_ _2a"> </span>b</div><div class="t m0 x1d hc y20 ff5 fs5 fc0 sc0 ls0 ws0">b</div><div class="t m0 x1d hc y21 ff5 fs5 fc0 sc0 ls0 ws0">b</div><div class="t m0 x1d hc y1f ff5 fs5 fc0 sc0 ls0 ws0">b<span class="_ _2b"> </span>ased</div><div class="t m0 x1e hc y20 ff5 fs5 fc0 sc0 ls0 ws0">ased</div><div class="t m0 x1e hc y21 ff5 fs5 fc0 sc0 ls0 ws0">ased</div><div class="t m0 x1e hc y1f ff5 fs5 fc0 sc0 ls0 ws0">ased<span class="_ _2c"> </span>on</div><div class="t m0 x1f hc y20 ff5 fs5 fc0 sc0 ls0 ws0">on</div><div class="t m0 x1f hc y21 ff5 fs5 fc0 sc0 ls0 ws0">on</div><div class="t m0 x1f hc y1f ff5 fs5 fc0 sc0 ls0 ws0">on<span class="_ _2d"> </span>the</div><div class="t m0 x20 hc y20 ff5 fs5 fc0 sc0 ls0 ws0">the</div><div class="t m0 x20 hc y21 ff5 fs5 fc0 sc0 ls0 ws0">the</div><div class="t m0 x20 hc y1f ff5 fs5 fc0 sc0 ls0 ws0">the<span class="_ _2e"> </span>ansys</div><div class="t m0 x21 hc y20 ff5 fs5 fc0 sc0 ls0 ws0">ansys</div><div class="t m0 x21 hc y21 ff5 fs5 fc0 sc0 ls0 ws0">ansys</div><div class="t m0 x21 hc y1f ff5 fs5 fc0 sc0 ls0 ws0">ansys</div><div class="t m0 x22 hd y22 ff2 fs4 fc0 sc0 ls0 ws0">Yua<span class="_ _3"></span>n<span class="_ _2f"> </span>Yon<span class="_ _1a"></span>g-q<span class="_ _3"></span>ian<span class="_ _3"></span>g</div><div class="t m0 x23 he y23 ff1 fs6 fc0 sc0 ls0 ws0">（<span class="_ _30"> </span><span class="ff2">Faculty<span class="_ _31"> </span>of<span class="_ _2b"> </span>inf<span class="_ _1a"></span>rast<span class="_ _3"></span>ructure<span class="_ _32"> </span>Eng<span class="_ _1a"></span>i<span class="_ _3"></span>neering<span class="_ _33"> </span>Da<span class="_ _1a"></span>l<span class="_ _3"></span>ian<span class="_ _34"> </span>University<span class="_ _a"> </span>of<span class="_ _35"> </span>Technolog<span class="_ _1a"></span>y,<span class="_ _22"> </span>Dalian116024<span class="_ _3"></span>,<span class="_ _25"> </span>China<span class="_ _36"> </span><span class="ff1">）</span></span></div><div class="t m0 x10 hf y24 ff5 fs4 fc0 sc0 ls0 ws0">Abstra<span class="_ _3"></span>ct</div><div class="t m0 x10 hf y25 ff5 fs4 fc0 sc0 ls0 ws0">Abstra<span class="_ _3"></span>ct</div><div class="t m0 x10 hf y26 ff5 fs4 fc0 sc0 ls0 ws0">Abstra<span class="_ _3"></span>ct</div><div class="t m0 x10 hf y24 ff5 fs4 fc0 sc0 ls0 ws0">Abstra<span class="_ _3"></span>ct<span class="_ _37"> </span><span class="ff2 fs6">In<span class="_ _35"> </span>order<span class="_ _38"> </span>to<span class="_ _39"> </span>study<span class="_ _3a"> </span>the<span class="_ _9"> </span>g<span class="_ _1a"></span>round<span class="_ _3b"> </span>motion<span class="_ _3c"> </span>under<span class="_ _3d"> </span>the<span class="_ _9"> </span>a<span class="_ _1a"></span>ction<span class="_ _1b"> </span>o<span class="_ _1a"></span>f<span class="_ _3e"> </span>seismic<span class="_ _31"> </span>performance<span class="_ _3f"> </span>of<span class="_ _3e"> </span>f<span class="_ _1a"></span>rame</span></div><div class="t m0 x10 h10 y27 ff2 fs6 fc0 sc0 ls0 ws0">structure,<span class="_ _40"> </span>a<span class="_ _1a"></span>n<span class="_ _41"> </span>d<span class="_ _42"> </span>to</div><div class="t m1 x24 h10 y27 ff2 fs6 fc0 sc0 ls0 ws0">a</div><div class="t m0 x25 h10 y27 ff2 fs6 fc0 sc0 ls0 ws0">four<span class="_ _43"> </span>sp<span class="_ _1a"></span>an<span class="_ _19"> </span>a<span class="_ _1a"></span>nd<span class="_ _44"> </span>thr<span class="_ _45"> </span>ee<span class="_ _46"> </span>la<span class="_ _1a"></span>yer<span class="_ _47"> </span>reinforced<span class="_ _48"> </span>c<span class="_ _1a"></span>oncre<span class="_ _3"></span>te<span class="_ _49"> </span>fr<span class="_ _1a"></span>ame<span class="_ _20"> </span>structure<span class="_ _4a"> </span>a<span class="_ _1a"></span>s<span class="_ _3e"> </span>t<span class="_ _1a"></span>he<span class="_ _9"> </span>r<span class="_ _1a"></span>esearc<span class="_ _3"></span>h<span class="_ _4b"> </span>object,</div><div class="t m0 x10 h10 y28 ff2 fs6 fc0 sc0 ls0 ws0">the<span class="_ _9"> </span>p<span class="_ _1a"></span>arameterize<span class="_ _3"></span>d<span class="_ _4c"> </span>desi<span class="_ _1a"></span>gn<span class="_ _4d"> </span>c<span class="_ _1a"></span>ombin<span class="_ _3"></span>ed<span class="_ _4e"> </span>with<span class="_ _4f"> </span>fi<span class="_ _1a"></span>n<span class="_ _3"></span>ite<span class="_ _38"> </span>elem<span class="_ _1a"></span>en<span class="_ _3"></span>t<span class="_ _1c"> </span>a<span class="_ _1a"></span>na<span class="_ _3"></span>ly<span class="_ _1a"></span>s<span class="_ _3"></span>is<span class="_ _50"> </span>method,<span class="_ _51"> </span>us<span class="_ _1a"></span>ing<span class="_ _52"> </span>a<span class="_ _1a"></span>nsys<span class="_ _53"> </span>fi<span class="_ _1a"></span>ni<span class="_ _3"></span>te<span class="_ _38"> </span>ele<span class="_ _3"></span>m<span class="_ _1a"></span>en<span class="_ _3"></span>t</div><div class="t m0 x10 h10 y29 ff2 fs6 fc0 sc0 ls0 ws0">a<span class="_ _1a"></span>na<span class="_ _3"></span>ly<span class="_ _1a"></span>s<span class="_ _3"></span>is<span class="_ _50"> </span>model,<span class="_ _54"> </span>the<span class="_ _9"> </span>n<span class="_ _1a"></span>umerical<span class="_ _55"> </span>sim<span class="_ _1a"></span>ulatio<span class="_ _3"></span>n<span class="_ _a"> </span>method<span class="_ _31"> </span>and<span class="_ _44"> </span>SR<span class="_ _1a"></span>SS<span class="_ _56"> </span>meth<span class="_ _1a"></span>od<span class="_ _3"></span>,<span class="_ _51"> </span>the<span class="_ _9"> </span>s<span class="_ _1a"></span>tructure<span class="_ _4a"> </span>of<span class="_ _3e"> </span>th<span class="_ _1a"></span>e<span class="_ _9"> </span>overall<span class="_ _57"> </span>level</div><div class="t m0 x10 h10 y2a ff2 fs6 fc0 sc0 ls0 ws0">of<span class="_ _35"> </span>im<span class="_ _1a"></span>pact<span class="_ _58"> </span>ground<span class="_ _3c"> </span>motion<span class="_ _3c"> </span>under<span class="_ _3d"> </span>the<span class="_ _9"> </span>a<span class="_ _1a"></span>ction<span class="_ _26"> </span>of<span class="_ _2b"> </span>three<span class="_ _59"> </span>layers<span class="_ _5a"> </span>framework<span class="_ _5b"> </span>str<span class="_ _1a"></span>ucture<span class="_ _4a"> </span>modal<span class="_ _5c"> </span>a<span class="_ _1a"></span>na<span class="_ _3"></span>ly<span class="_ _1a"></span>s<span class="_ _3"></span>is,<span class="_ _4a"> </span>and</div><div class="t m0 x10 h10 y2b ff2 fs6 fc0 sc0 ls0 ws0">c<span class="_ _1a"></span>om<span class="_ _3"></span>pared<span class="_ _4e"> </span>with<span class="_ _4f"> </span>c<span class="_ _1a"></span>om<span class="_ _3"></span>mon<span class="_ _5d"> </span>gr<span class="_ _1a"></span>ou<span class="_ _3"></span>nd<span class="_ _3c"> </span>mo<span class="_ _1a"></span>t<span class="_ _3"></span>ion<span class="_ _3c"> </span>un<span class="_ _1a"></span>der<span class="_ _36"> </span>th<span class="_ _1a"></span>e<span class="_ _9"> </span>action<span class="_ _1b"> </span>o<span class="_ _1a"></span>f<span class="_ _3e"> </span>th<span class="_ _1a"></span>e<span class="_ _9"> </span>results<span class="_ _5e"> </span>w<span class="_ _1a"></span>ere<span class="_ _5f"> </span>c<span class="_ _1a"></span>ompar<span class="_ _3"></span>ed,<span class="_ _60"> </span>the<span class="_ _9"> </span>r<span class="_ _1a"></span>es<span class="_ _3"></span>u<span class="_ _1a"></span>lts</div><div class="t m0 x10 h10 y2c ff2 fs6 fc0 sc0 ls0 ws0">sh<span class="_ _1a"></span>o<span class="_ _3"></span>w<span class="_ _38"> </span>th<span class="_ _1a"></span>at<span class="_ _61"> </span>the<span class="_ _9"> </span>s<span class="_ _1a"></span>eismic<span class="_ _31"> </span>action<span class="_ _26"> </span>of<span class="_ _2b"> </span>str<span class="_ _1a"></span>uctu<span class="_ _3"></span>re<span class="_ _4a"> </span>d<span class="_ _1a"></span>ama<span class="_ _3"></span>g<span class="_ _1a"></span>e<span class="_ _62"> </span>a<span class="_ _1a"></span>re<span class="_ _9"> </span>mainly<span class="_ _54"> </span>sh<span class="_ _1a"></span>ear<span class="_ _38"> </span>damage,<span class="_ _63"> </span>structure<span class="_ _5d"> </span>dam<span class="_ _1a"></span>age<span class="_ _62"> </span>is<span class="_ _11"> </span>given</div><div class="t m0 x10 h10 y2d ff2 fs6 fc0 sc0 ls0 ws0">prio<span class="_ _1a"></span>rity<span class="_ _64"> </span>to<span class="_ _39"> </span>w<span class="_ _1a"></span>ith<span class="_ _65"> </span>fram<span class="_ _1a"></span>e<span class="_ _20"> </span>structur<span class="_ _3"></span>e<span class="_ _5d"> </span>at<span class="_ _66"> </span>the<span class="_ _9"> </span>b<span class="_ _1a"></span>ottom<span class="_ _3c"> </span>of<span class="_ _3e"> </span>the<span class="_ _9"> </span>s<span class="_ _1a"></span>hear<span class="_ _38"> </span>deformation<span class="_ _33"> </span>dam<span class="_ _1a"></span>age<span class="_ _3"></span>,<span class="_ _63"> </span>f<span class="_ _1a"></span>or<span class="_ _67"> </span>the<span class="_ _9"> </span>wea<span class="_ _1a"></span>k<span class="_ _38"> </span>parts<span class="_ _2d"> </span>of</div><div class="t m0 x10 h10 y2e ff2 fs6 fc0 sc0 ls0 ws0">the<span class="_ _9"> </span>f<span class="_ _1a"></span>rame<span class="_ _20"> </span>c<span class="_ _1a"></span>olu<span class="_ _3"></span>mn<span class="_ _31"> </span>top<span class="_ _68"> </span>a<span class="_ _1a"></span>nd<span class="_ _44"> </span>bottom<span class="_ _3c"> </span>end<span class="_ _1a"></span>,<span class="_ _43"> </span>must<span class="_ _69"> </span>str<span class="_ _1a"></span>engthen<span class="_ _48"> </span>c<span class="_ _1a"></span>olumn<span class="_ _64"> </span>t<span class="_ _1a"></span>he<span class="_ _9"> </span>seismic<span class="_ _31"> </span>du<span class="_ _1a"></span>cti<span class="_ _3"></span>lity<span class="_ _4b"> </span>des<span class="_ _1a"></span>ign.</div><div class="t m0 x10 hf y2f ff5 fs4 fc0 sc0 ls0 ws0">T</div><div class="t m0 x10 hf y30 ff5 fs4 fc0 sc0 ls0 ws0">T</div><div class="t m0 x10 hf y31 ff5 fs4 fc0 sc0 ls0 ws0">T</div><div class="t m0 x10 hf y2f ff5 fs4 fc0 sc0 ls0 ws0">T<span class="_ _11"> </span>he</div><div class="t m0 x26 hf y30 ff5 fs4 fc0 sc0 ls0 ws0">he</div><div class="t m0 x26 hf y31 ff5 fs4 fc0 sc0 ls0 ws0">he</div><div class="t m0 x26 hf y2f ff5 fs4 fc0 sc0 ls0 ws0">he<span class="_ _6a"> </span>k</div><div class="t m0 x27 hf y30 ff5 fs4 fc0 sc0 ls0 ws0">k</div><div class="t m0 x27 hf y31 ff5 fs4 fc0 sc0 ls0 ws0">k</div><div class="t m0 x27 hf y2f ff5 fs4 fc0 sc0 ls0 ws0">k<span class="_ _6b"> </span>eyw<span class="_ _1a"></span>o<span class="_ _3"></span>r<span class="_ _3"></span>ds</div><div class="t m0 x28 hf y30 ff5 fs4 fc0 sc0 ls0 ws0">eyw<span class="_ _1a"></span>o<span class="_ _3"></span>r<span class="_ _3"></span>ds</div><div class="t m0 x28 hf y31 ff5 fs4 fc0 sc0 ls0 ws0">eyw<span class="_ _1a"></span>o<span class="_ _3"></span>r<span class="_ _3"></span>ds</div><div class="t m0 x28 hf y2f ff5 fs4 fc0 sc0 ls0 ws0">eyw<span class="_ _1a"></span>o<span class="_ _3"></span>r<span class="_ _3"></span>ds<span class="_ _6c"> </span><span class="ff2 fs6">fra<span class="_ _1a"></span>me<span class="_ _20"> </span>structure<span class="_ _4a"> </span>;<span class="_ _1"> </span>the<span class="_ _9"> </span>s<span class="_ _6d"> </span>eismic<span class="_ _4d"> </span>damage<span class="_ _62"> </span>m<span class="_ _1a"></span>odel<span class="_ _2f"> </span>of<span class="_ _3e"> </span>stru<span class="_ _1a"></span>ctu<span class="_ _3"></span>ral;finite<span class="_ _6e"> </span>element<span class="_ _1c"> </span>modeling</span></div><div class="t m0 x10 hb y32 ff3 fs2 fc0 sc0 ls0 ws0">1</div><div class="t m0 x10 hb y33 ff3 fs2 fc0 sc0 ls0 ws0">1</div><div class="t m0 x10 hb y34 ff3 fs2 fc0 sc0 ls0 ws0">1</div><div class="t m0 x10 hb y32 ff3 fs2 fc0 sc0 ls0 ws0">1<span class="_ _6f"> </span>引言</div><div class="t m0 x29 hb y33 ff3 fs2 fc0 sc0 ls0 ws0">引言</div><div class="t m0 x29 hb y34 ff3 fs2 fc0 sc0 ls0 ws0">引言</div><div class="t m0 x29 hb y32 ff3 fs2 fc0 sc0 ls0 ws0">引言</div><div class="t m0 x27 ha y35 ff1 fs4 fc0 sc0 ls0 ws0">有限<span class="_ _3"></span>元模态<span class="_ _3"></span>分析技<span class="_ _3"></span>术的发<span class="_ _3"></span>展对结<span class="_ _3"></span>构振动<span class="_ _3"></span>分析有<span class="_ _3"></span>至关重<span class="_ _3"></span>要的影<span class="_ _3"></span>响，随<span class="_ _3"></span>着现代<span class="_ _3"></span>工程</div><div class="t m0 x10 ha y36 ff1 fs4 fc0 sc0 ls0 ws0">结构<span class="_ _3"></span>的复杂<span class="_ _3"></span>性日益<span class="_ _3"></span>增大、<span class="_ _3"></span>所经历<span class="_ _3"></span>的工作<span class="_ _3"></span>环境愈<span class="_ _3"></span>加多样<span class="_ _3"></span>化，对<span class="_ _3"></span>结构振<span class="_ _3"></span>动分析<span class="_ _3"></span>提出了<span class="_ _3"></span>越</div><div class="t m0 x10 ha y37 ff1 fs4 fc0 sc0 ls0 ws0">来越<span class="_ _3"></span>高的要<span class="_ _3"></span>求，其<span class="_ _3"></span>中的关<span class="_ _3"></span>键和核<span class="_ _3"></span>心是要<span class="_ _3"></span>实现大<span class="_ _3"></span>规模、<span class="_ _3"></span>高精度<span class="_ _3"></span>和高效<span class="_ _3"></span>率计算<span class="_ _3"></span>分析，<span class="_ _3"></span>以</div><div class="t m0 x10 ha y38 ff1 fs4 fc0 sc0 ls0 ws0">满足<span class="_ _3"></span>可靠性<span class="_ _3"></span>和安全<span class="_ _3"></span>性要求<span class="_ _3"></span>越来越<span class="_ _3"></span>高的复<span class="_ _3"></span>杂结构<span class="_ _3"></span>设计需<span class="_ _3"></span>要。基<span class="_ _3"></span>于性能<span class="_ _3"></span>的抗震<span class="_ _3"></span>设计目<span class="_ _3"></span>标</div><div class="t m0 x10 ha y39 ff1 fs4 fc0 sc0 ls0 ws0">是使<span class="_ _3"></span>结构在<span class="_ _3"></span>一定的<span class="_ _3"></span>经济技<span class="_ _3"></span>术条件<span class="_ _3"></span>下，保<span class="_ _3"></span>证所设<span class="_ _3"></span>计的结<span class="_ _3"></span>构在未<span class="_ _3"></span>来的地<span class="_ _3"></span>震中达<span class="_ _3"></span>到抗震<span class="_ _3"></span>设</div><div class="t m0 x10 ha y3a ff1 fs4 fc0 sc0 ls0 ws0">防的<span class="_ _3"></span>目标，<span class="_ _3"></span>掌握结<span class="_ _3"></span>构在地<span class="_ _3"></span>震作用<span class="_ _3"></span>下的破<span class="_ _3"></span>坏状态<span class="_ _3"></span>。近年<span class="_ _3"></span>来，结<span class="_ _3"></span>构在地<span class="_ _3"></span>震动作<span class="_ _3"></span>用下遭<span class="_ _3"></span>受</div><div class="t m0 x10 ha y3b ff1 fs4 fc0 sc0 ls0 ws0">破坏<span class="_ _3"></span>时有发<span class="_ _3"></span>生，<span class="_ _70"> </span>20<span class="_ _3"></span>08<span class="_ _20"> </span>年的<span class="_ _3"></span>汶川地<span class="_ _3"></span>震，<span class="_ _71"> </span>20<span class="_ _3"></span>12<span class="_ _20"> </span>年的<span class="_ _3"></span>雅安地<span class="_ _3"></span>震，许<span class="_ _3"></span>多楼房<span class="_ _3"></span>建筑在<span class="_ _3"></span>地震动</div><div class="t m0 x10 ha y3c ff1 fs4 fc0 sc0 ls0 ws0">作用<span class="_ _3"></span>下倒塌<span class="_ _3"></span>，国内<span class="_ _3"></span>外学者<span class="_ _3"></span>对地震<span class="_ _3"></span>动作用<span class="_ _3"></span>下结构<span class="_ _3"></span>地震响<span class="_ _3"></span>应情况<span class="_ _3"></span>的研究<span class="_ _3"></span>非常重<span class="_ _3"></span>视。</div><div class="t m0 x2a ha y3d ff1 fs4 fc0 sc0 ls0 ws0">结构<span class="_ _3"></span>模态分<span class="_ _3"></span>析的数<span class="_ _3"></span>学基础<span class="_ _3"></span>是大型<span class="_ _3"></span>稀疏矩<span class="_ _3"></span>阵的广<span class="_ _3"></span>义特征<span class="_ _3"></span>值求解<span class="_ _3"></span>，是当<span class="_ _3"></span>前国内<span class="_ _3"></span>外一</div><div class="t m0 x10 ha y3e ff1 fs4 fc0 sc0 ls0 ws0">个活<span class="_ _3"></span>跃的研<span class="_ _3"></span>究领域<span class="_ _3"></span>，近年<span class="_ _3"></span>来，人<span class="_ _3"></span>们对矩<span class="_ _3"></span>阵特征<span class="_ _3"></span>值问题<span class="_ _3"></span>的并行<span class="_ _3"></span>计算进<span class="_ _3"></span>行了深<span class="_ _3"></span>入研究<span class="_ _3"></span>，</div><div class="t m0 x10 ha y3f ff1 fs4 fc0 sc0 ls0 ws0">提出<span class="_ _3"></span>了许多<span class="_ _3"></span>行之有<span class="_ _3"></span>效的并<span class="_ _3"></span>行算法<span class="_ _3"></span>，并开<span class="_ _3"></span>发出一<span class="_ _3"></span>系列高<span class="_ _3"></span>性能特<span class="_ _3"></span>征值问<span class="_ _3"></span>题计算<span class="_ _3"></span>软件包<span class="_ _3"></span>。</div><div class="t m0 x10 ha y40 ff1 fs4 fc0 sc0 ls0 ws0">然而<span class="_ _3"></span>，要实<span class="_ _3"></span>现大型<span class="_ _3"></span>复杂工<span class="_ _3"></span>程问题<span class="_ _3"></span>的并行<span class="_ _3"></span>有限元<span class="_ _3"></span>模态分<span class="_ _3"></span>析，仅<span class="_ _3"></span>有矩阵<span class="_ _3"></span>特征值<span class="_ _3"></span>问题并<span class="_ _3"></span>行</div><div class="t m0 x10 ha y41 ff1 fs4 fc0 sc0 ls0 ws0">求解<span class="_ _3"></span>算法是<span class="_ _3"></span>不够的<span class="_ _3"></span>，还必<span class="_ _3"></span>须将其<span class="_ _3"></span>与有限<span class="_ _3"></span>元分析<span class="_ _3"></span>方法结<span class="_ _3"></span>合起来<span class="_ _72"> </span>,<span class="_"> </span>通过<span class="_ _3"></span>有限元<span class="_ _3"></span>分析软<span class="_ _3"></span>件</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62645e374f8811599e47b305/bg3.jpg"><div class="t m0 x7 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">《有限元方法与应用》课程论文</div><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">第<span class="_ _0"> </span><span class="ff2">2<span class="_ _1"> </span></span>页，共<span class="_ _2"> </span><span class="ff2">11<span class="_ _0"> </span></span>页</div><div class="t m0 x10 ha y42 ff1 fs4 fc0 sc0 ls0 ws0">（<span class="_ _73"> </span>an<span class="_ _3"></span>sys<span class="_ _54"> </span>）单<span class="_ _3"></span>元处理<span class="_ _3"></span>、整体<span class="_ _3"></span>矩阵组<span class="_ _3"></span>装及前<span class="_ _3"></span>后处理<span class="_ _3"></span>功能，<span class="_ _3"></span>利用并<span class="_ _3"></span>行特征<span class="_ _3"></span>值求解<span class="_ _3"></span>算法替</div><div class="t m0 x10 ha y43 ff1 fs4 fc0 sc0 ls0 ws0">代原<span class="_ _3"></span>串行特<span class="_ _3"></span>征值求<span class="_ _3"></span>解程序<span class="_ _3"></span>，从而<span class="_ _3"></span>实现模<span class="_ _3"></span>态分析<span class="_ _3"></span>的有限<span class="_ _3"></span>元并行<span class="_ _3"></span>计算。</div><div class="t m0 x2a ha y44 ff1 fs4 fc0 sc0 ls0 ws0">框架<span class="_ _3"></span>结构是<span class="_ _3"></span>常见的<span class="_ _3"></span>建筑结<span class="_ _3"></span>构，设<span class="_ _3"></span>计时需<span class="_ _3"></span>要充分<span class="_ _3"></span>考虑地<span class="_ _3"></span>区地震<span class="_ _3"></span>动的作<span class="_ _3"></span>用，用<span class="_ _3"></span>有限</div><div class="t m0 x10 ha y45 ff1 fs4 fc0 sc0 ls0 ws0">元建<span class="_ _3"></span>模模拟<span class="_ _3"></span>分析结<span class="_ _3"></span>构在地<span class="_ _3"></span>震动作<span class="_ _3"></span>用下的<span class="_ _3"></span>各阶模<span class="_ _3"></span>态，本<span class="_ _3"></span>文以一<span class="_ _3"></span>幢三层<span class="_ _3"></span>框架结<span class="_ _3"></span>构为研<span class="_ _3"></span>究</div><div class="t m0 x10 ha y46 ff1 fs4 fc0 sc0 ls0 ws0">对象<span class="_ _3"></span>，通过<span class="_ _3"></span>有限元<span class="_ _3"></span>建模模<span class="_ _3"></span>拟加载<span class="_ _3"></span>，对在<span class="_ _3"></span>两种不<span class="_ _3"></span>同地震<span class="_ _3"></span>动作用<span class="_ _3"></span>下的框<span class="_ _3"></span>架结构<span class="_ _3"></span>进行了<span class="_ _3"></span>模</div><div class="t m0 x10 ha y47 ff1 fs4 fc0 sc0 ls0 ws0">态分<span class="_ _3"></span>析，对<span class="_ _3"></span>结果进<span class="_ _3"></span>行比较<span class="_ _3"></span>分析。</div><div class="t m0 x10 hb y48 ff3 fs2 fc0 sc0 ls0 ws0">2</div><div class="t m0 x10 hb y49 ff3 fs2 fc0 sc0 ls0 ws0">2</div><div class="t m0 x10 hb y4a ff3 fs2 fc0 sc0 ls0 ws0">2</div><div class="t m0 x10 hb y48 ff3 fs2 fc0 sc0 ls0 ws0">2<span class="_ _6f"> </span>问题概述</div><div class="t m0 x29 hb y49 ff3 fs2 fc0 sc0 ls0 ws0">问题概述</div><div class="t m0 x29 hb y4a ff3 fs2 fc0 sc0 ls0 ws0">问题概述</div><div class="t m0 x29 hb y48 ff3 fs2 fc0 sc0 ls0 ws0">问题概述</div><div class="t m0 x2a ha y4b ff1 fs4 fc0 sc0 ls0 ws0">自主<span class="_ _3"></span>设计一<span class="_ _3"></span>四跨三<span class="_ _3"></span>层框架<span class="_ _3"></span>结构，<span class="_ _3"></span>层高<span class="_ _74"> </span>4<span class="_ _66"> </span>米，<span class="_ _3"></span>结构平<span class="_ _3"></span>面图如<span class="_ _3"></span>图<span class="_ _75"> </span>1<span class="_ _76"> </span>所示<span class="_ _3"></span>，其主<span class="_ _3"></span>要</div><div class="t m0 x10 ha y4c ff1 fs4 fc0 sc0 ls0 ws0">承重<span class="_ _3"></span>构件的<span class="_ _3"></span>截面尺<span class="_ _3"></span>寸及材<span class="_ _3"></span>料力学<span class="_ _3"></span>性能参<span class="_ _3"></span>数如下<span class="_ _3"></span>：</div><div class="t m0 x2a ha y4d ff1 fs4 fc0 sc0 ls0 ws0">框架<span class="_ _3"></span>柱：<span class="_ _22"> </span>50<span class="_ _3"></span>0mm<span class="_ _54"> </span>×<span class="_ _45"> </span>500<span class="_ _3"></span>mm<span class="_ _77"> </span>混凝<span class="_ _3"></span>土柱</div><div class="t m0 x2a ha y4e ff1 fs4 fc0 sc0 ls0 ws0">外环<span class="_ _3"></span>梁：<span class="_ _22"> </span>30<span class="_ _3"></span>0mm<span class="_ _54"> </span>×<span class="_ _45"> </span>500<span class="_ _3"></span>mm<span class="_ _77"> </span>混凝<span class="_ _3"></span>土梁</div><div class="t m0 x2a ha y4f ff1 fs4 fc0 sc0 ls0 ws0">楼面<span class="_ _3"></span>梁：<span class="_ _22"> </span>10<span class="_ _78"> </span>×<span class="_ _73"> </span>50<span class="_ _3"></span>0<span class="_ _79"> </span>工字<span class="_ _3"></span>钢，高<span class="_ _7a"> </span>H<span class="_"> </span>＝<span class="_ _73"> </span>500<span class="_ _3"></span>mm<span class="_ _7b"> </span>，宽<span class="_ _7c"> </span>B<span class="_"> </span>＝<span class="_ _73"> </span>200mm<span class="_ _7d"> </span>，</div><div class="t m0 x2b ha y50 ff1 fs4 fc0 sc0 ls0 ws0">翼缘</div><div class="t m0 x2c h11 y51 ff2 fs7 fc0 sc0 ls0 ws0">1</div><div class="t m2 x2d h12 y50 ff6 fs8 fc0 sc0 ls0 ws0">t</div><div class="t m0 x2e ha y50 ff1 fs4 fc0 sc0 ls0 ws0">＝<span class="_ _73"> </span>16<span class="_ _3"></span>mm<span class="_ _3a"> </span>，腹<span class="_ _3"></span>板</div><div class="t m0 x2f h11 y51 ff2 fs7 fc0 sc0 ls0 ws0">2</div><div class="t m2 x30 h12 y50 ff6 fs8 fc0 sc0 ls0 ws0">t</div><div class="t m0 x31 ha y50 ff1 fs4 fc0 sc0 ls0 ws0">＝<span class="_ _73"> </span>10<span class="_ _3"></span>mm</div><div class="t m0 x2a ha y52 ff1 fs4 fc0 sc0 ls0 ws0">楼面<span class="_ _3"></span>板：<span class="_ _22"> </span>10<span class="_ _3"></span>0mm<span class="_ _77"> </span>混凝<span class="_ _3"></span>土楼面<span class="_ _3"></span>板</div><div class="t m0 x2a ha y53 ff1 fs4 fc0 sc0 ls0 ws0">材料<span class="_ _3"></span>特性：<span class="_ _3"></span>混凝土<span class="_ _7e"> </span>C3<span class="_ _3"></span>0<span class="_ _7f"> </span>，弹<span class="_ _3"></span>模</div><div class="t m0 x32 h11 y54 ff2 fs7 fc0 sc0 ls0 ws0">10<span class="_ _80"></span>2</div><div class="t m0 x33 ha y53 ff2 fs4 fc0 sc0 ls0 ws0">E<span class="_ _81"></span>3<span class="_ _82"></span>.0<span class="_ _83"></span>1<span class="_ _82"></span>0<span class="_ _84"></span>N<span class="_ _85"></span>/<span class="_ _85"></span>m<span class="_ _86"> </span><span class="ff7">×<span class="_ _87"></span><span class="ff1">＝<span class="_ _28"> </span>，泊<span class="_ _3"></span>松比<span class="_ _6c"> </span>ν<span class="_ _45"> </span>＝<span class="_ _78"> </span>0.<span class="_ _3"></span>2<span class="_ _7f"> </span>，密<span class="_ _3"></span>度</span></span></div><div class="t m0 x34 h11 y55 ff2 fs7 fc0 sc0 ls0 ws0">3</div><div class="t m0 x35 hd y56 ff2 fs4 fc0 sc0 ls0 ws0">2500<span class="_ _3"></span>Kg<span class="_ _85"></span>/<span class="_ _85"></span> m</div><div class="t m2 x36 h12 y56 ff8 fs8 fc0 sc0 ls0 ws0">ρ</div><div class="t m0 x37 ha y56 ff1 fs4 fc0 sc0 ls0 ws0">＝</div><div class="t m0 x38 ha y57 ff1 fs4 fc0 sc0 ls0 ws0">；</div><div class="t m0 x2b ha y58 ff1 fs4 fc0 sc0 ls0 ws0">型钢<span class="_ _3"></span>钢材，<span class="_ _3"></span>弹模</div><div class="t m0 x1e h11 y59 ff2 fs7 fc0 sc0 ls0 ws0">11<span class="_ _80"></span>2</div><div class="t m0 x39 ha y5a ff2 fs4 fc0 sc0 ls0 ws0">E<span class="_ _88"></span>2<span class="_ _1a"></span>.<span class="_ _1a"></span>1<span class="_ _89"></span>1<span class="_ _82"></span>0<span class="_ _8a"></span>N<span class="_ _85"></span>/<span class="_ _85"></span>m<span class="_ _8b"> </span><span class="ff7">×<span class="_ _87"></span><span class="ff1">＝</span></span></div><div class="t m0 x3a ha y58 ff1 fs4 fc0 sc0 ls0 ws0">，泊<span class="_ _3"></span>松比<span class="_ _6c"> </span>ν<span class="_ _78"> </span>＝<span class="_ _45"> </span>0.3<span class="_ _7f"> </span>，密<span class="_ _3"></span>度</div><div class="t m0 x34 h11 y5b ff2 fs7 fc0 sc0 ls0 ws0">3</div><div class="t m0 x35 hd y5c ff2 fs4 fc0 sc0 ls0 ws0">7800<span class="_ _3"></span>Kg<span class="_ _85"></span>/<span class="_ _85"></span> m</div><div class="t m2 x36 h12 y5c ff8 fs8 fc0 sc0 ls0 ws0">ρ</div><div class="t m0 x37 ha y5c ff1 fs4 fc0 sc0 ls0 ws0">＝<span class="_ _8c"> </span>；</div><div class="t m0 x2a ha y5d ff1 fs4 fc0 sc0 ls0 ws0">单位<span class="_ _3"></span>制：<span class="_ _22"> </span>国际<span class="_ _3"></span>单位制<span class="_ _3"></span>：米、<span class="_ _3"></span>公斤、<span class="_ _3"></span>秒</div><div class="t m0 x2a ha y5e ff1 fs4 fc0 sc0 ls0 ws0">问题<span class="_ _3"></span>设置：<span class="_ _3"></span>通过有<span class="_ _3"></span>限元建<span class="_ _3"></span>模计算<span class="_ _3"></span>结构的<span class="_ _3"></span>自振频<span class="_ _3"></span>率、模<span class="_ _3"></span>态，在<span class="_ _8d"> </span>0.<span class="_ _3"></span>15g<span class="_ _77"> </span>水平<span class="_ _3"></span>惯性</div><div class="t m0 x10 ha y5f ff1 fs4 fc0 sc0 ls0 ws0">力和<span class="_ _3"></span>自重作<span class="_ _3"></span>用下的<span class="_ _3"></span>结构变<span class="_ _3"></span>形并计<span class="_ _3"></span>算<span class="_ _8e"> </span>Z<span class="_"> </span>（水平）方<span class="_ _3"></span>向的地<span class="_ _3"></span>震位移<span class="_ _3"></span>响应谱<span class="_ _3"></span>作用下<span class="_ _3"></span>整个结</div><div class="t m0 x10 ha y60 ff1 fs4 fc0 sc0 ls0 ws0">构的<span class="_ _3"></span>响应情<span class="_ _3"></span>况，分<span class="_ _3"></span>析比较<span class="_ _3"></span>两种地<span class="_ _3"></span>震响应<span class="_ _3"></span>下结构<span class="_ _3"></span>的各阶<span class="_ _3"></span>模态响<span class="_ _3"></span>应。</div><div class="t m0 x3b ha y61 ff1 fs4 fc0 sc0 ls0 ws0">常见<span class="_ _3"></span>的地震<span class="_ _3"></span>动谱如<span class="_ _3"></span>下表<span class="_ _8f"> </span>1<span class="_ _76"> </span>所示<span class="_ _3"></span>：</div><div class="t m0 x3c ha y62 ff1 fs4 fc0 sc0 ls0 ws0">响应<span class="_ _3"></span>谱</div><div class="t m0 x2e ha y63 ff1 fs4 fc0 sc0 ls0 ws0">频率<span class="_ _52"> </span><span class="ff2">/Hz</span></div><div class="t m0 x1f ha y64 ff1 fs4 fc0 sc0 ls0 ws0">位移<span class="_ _52"> </span><span class="ff2">/</span></div><div class="t m0 x3d h11 y65 ff2 fs7 fc0 sc0 ls0 ws0">3</div><div class="t m0 x3e hd y66 ff2 fs4 fc0 sc0 ls0 ws0">10</div><div class="t m0 x3f hd y64 ff2 fs4 fc0 sc0 ls0 ws0">m</div><div class="t m0 x40 hd y67 ff2 fs4 fc0 sc0 ls0 ws0">0.5<span class="_ _90"> </span>1.0</div><div class="t m0 x40 hd y68 ff2 fs4 fc0 sc0 ls0 ws0">1.0<span class="_ _90"> </span>0.5</div><div class="t m0 x40 hd y69 ff2 fs4 fc0 sc0 ls0 ws0">2.4<span class="_ _90"> </span>0.9</div><div class="t m0 x40 hd y6a ff2 fs4 fc0 sc0 ls0 ws0">3.8<span class="_ _90"> </span>0.8</div><div class="t m0 x41 hd y6b ff2 fs4 fc0 sc0 ls0 ws0">17<span class="_ _91"> </span>1.2</div><div class="t m0 x41 hd y6c ff2 fs4 fc0 sc0 ls0 ws0">18<span class="_ _92"> </span>0.7<span class="_ _3"></span>5</div><div class="t m0 x41 hd y6d ff2 fs4 fc0 sc0 ls0 ws0">20<span class="_ _92"> </span>0.8<span class="_ _3"></span>6</div><div class="t m0 x41 hd y6e ff2 fs4 fc0 sc0 ls0 ws0">32<span class="_ _91"> </span>0.2</div><div class="t m0 x16 he y6f ff1 fs6 fc0 sc0 ls0 ws0">表<span class="_ _45"> </span>1<span class="_ _12"> </span>频率<span class="_ _93"> </span>-<span class="_"> </span>谱值表</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
