Numerical approach for generic three‐phase flow based on cut‐cell and ghost fluid methods

Dang Son Tung; Meese Ernst Arne; Morud John Christian; Johansen Stein Tore

摘要

Summary >In this paper, we introduce numerical methods that can simulate complex multiphase flows. The finite volume method, applying Cartesian cut‐cell is used in the computational domain, containing fluid and solid, to conserve mass and momentum. With this method, flows in and around any geometry can be simulated without complex and time consuming meshing. For the fluid region, which involves liquid and gas, the ghost fluid method is employed to handle the stiffness of the interface discontinuity problem. The interaction between each phase is treated simply by wall function models or jump conditions of pressure, velocity and shear stress at the interface. The sharp interface method “coupled level set (LS) and volume of fluid (VOF)” is used to represent the interface between the two fluid phases. This approach will combine some advantages of both interface tracking/capturing methods, such as the excellent mass conservation from the VOF method and good accuracy of interface normal computation from the LS function. The first coupled LS and VOF will be generated to reconstruct the interface between solid and the other materials. The second will represent the interface between liquid and gas. </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 =“FLD4758-ABS-ABS-0001”> <标题类型=“main”>摘要</ title> 在本文中，我们介绍了可以模拟复杂多相流的数值方法。应用笛卡尔切池的有限体积法用于计算结构域，含有液体和固体，以保护质量和动量。利用这种方法，可以在没有复杂和耗时的啮合的情况下模拟任何几何形状的流动。对于涉及液体和气体的流体区域，采用幽灵流体方法来处理界面不连续问题的刚度。仅通过壁函数模型或界面处的压力，速度和剪切应力的跳跃条件来处理每个相之间的相互作用。尖锐的接口方法“耦合水平集（LS）和流体（VOF）”用于表示两个流体阶段之间的界面。这种方法将结合界面跟踪/捕获方法的一些优点，例如从VOF方法的优异质量保护以及LS功能的界面正常计算的良好精度。将产生第一耦合LS和VOF以重建固体和其他材料之间的界面。第二个将代表液体和气体之间的界面。</ 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9期</span><b style="margin: 0 2px;">|</b><span>共29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=Dang Son Tung&option=202" target="_blank" rel="nofollow">Dang Son Tung;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Meese Ernst Arne&option=202" target="_blank" rel="nofollow">Meese Ernst Arne;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Morud John Christian&option=202" target="_blank" rel="nofollow">Morud John Christian;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Johansen Stein Tore&option=202" target="_blank" rel="nofollow">Johansen Stein Tore;</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>Norwegian University of Science and TechnologyTrondheim Norway;</p> <p>SINTEF IndustryTrondheim Norway;</p> <p>SINTEF IndustryTrondheim Norway;</p> <p>Norwegian University of Science and TechnologyTrondheim Norway;</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=cut‐cells&option=203" rel="nofollow">cut‐cells;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=ghost fluid&option=203" rel="nofollow">ghost fluid;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=immersed boundary method&option=203" rel="nofollow">immersed boundary method;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=level set&option=203" rel="nofollow">level set;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multiphase flow&option=203" rel="nofollow">multiphase flow;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=volume of fluid&option=203" rel="nofollow">volume of fluid;</a> </p> <div class="translation"> 机译：切割细胞;鬼液;浸没边界法;水平设定;多相流动;流体量; 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