An efficient Legendre‐Galerkin spectral method for the natural convection in two‐dimensional cavities

机译：一种高效的legendre-galerkin光谱方法，用于二维腔中的自然对流

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Summary >An efficient numerical method is developed for solving the natural convection in two‐dimensional cavities. The numerical scheme is proposed by using second‐order projection scheme in time direction and Legendre‐spectral in spatial variable of the incompressible flow. Finally, a series of numerical examples are presented to demonstrate the efficiency of our algorithm. The numerical strategies developed in this article could be readily applied to study other incompressible fluid problems. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“EN”XML：ID =“FLD4742-ABS-ABS-0001”> <标题类型=“main”>摘要</ title> >开发了一种有效的数值方法，用于解决二维腔中的自然对流。通过在不可压缩流的空间变量中在时间方向和Legendre-Scrotet中使用二阶投影方案来提出数值方案。最后，提出了一系列数值示例以展示我们算法的效率。本文开发的数值策略可以容易地应用于研究其他不可压缩的流体问题。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-20811/'>《International Journal for Numerical Methods in Fluids》</a> <b style="margin: 0 2px;">|</b><span>2019年第12期</span><b style="margin: 0 2px;">|</b><span>共9页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhang Jun&option=202" target="_blank" rel="nofollow">Zhang Jun;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lin Fubiao&option=202" target="_blank" rel="nofollow">Lin Fubiao;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Computational Mathematics Research CenterGuizhou University of Finance and EconomicsGuiyang China;</p> <p>School of Mathematics and StatisticalGuizhou University of Finance and EconomicsGuiyang China;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/1155.html" title="流体力学">流体力学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=cavity flow&option=203" rel="nofollow">cavity flow;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=natural convection second‐order projection method&option=203" rel="nofollow">natural convection second‐order projection method;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=spectral method&option=203" rel="nofollow">spectral method;</a> </p> <div class="translation"> 机译：腔流量;自然对流二阶投影方法;光谱法; 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