An accurate and stable multiphase moving particle semi‐implicit method based on a corrective matrix for all particle interaction models

机译：基于所有粒子交互模型的校正矩阵的精确稳定的多相移动粒子半隐式方法

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Summary >The Lagrangian moving particle semi‐implicit (MPS) method has potential to simulate free‐surface and multiphase flows. However, the chaotic distribution of particles can decrease accuracy and reliability in the conventional MPS method. In this study, a new Laplacian model is proposed by removing the errors associated with first‐order partial derivatives based on a corrected matrix. Therefore, a corrective matrix is applied to all the MPS discretization models to enhance computational accuracy. Then, the developed corrected models are coupled into our previous multiphase MPS methods. Separate stabilizing strategies are developed for internal and free‐surface particles. Specifically, particle shifting is applied to internal particles. Meanwhile, a conservative pressure gradient model and a modified optimized particle shifting scheme are applied to free‐surface particles to produce the required adjustments in surface normal and tangent directions, respectively. The simulations of a multifluid pressure oscillation flow and a bubble rising flow demonstrate the accuracy improvements of the corrective matrix. The elliptical drop deformation demonstrates the stability/accuracy improvement of the present stabilizing strategies at free surface. Finally, a turbulent multiphase flow with complicated interface fragmentation and coalescence is simulated to demonstrate the capability of the developed method. </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 xmlns =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <title type =“main”>摘要</ title> > lagrangian移动粒子半隐式（MPS）方法具有模拟自由表面和多相流的可能性。然而，粒子的混沌分布可以降低传统MPS方法中的精度和可靠性。在这项研究中，通过基于校正矩阵去除与一阶部分导数相关联的误差来提出新的拉普拉斯模型。因此，将校正矩阵应用于所有MPS离散化模型，以提高计算精度。然后，开发的校正模型耦合到我们先前的多相MPS方法中。为内部和自由表面颗粒开发了单独的稳定策略。具体地，颗粒移位施加到内部颗粒上。同时，保守压力梯度模型和改进的优化颗粒移位方案被施加到自由表面颗粒上，以分别产生所需的表面正常和切线方向的所需调整。多流体压力振荡流动的模拟和气泡上升流程证明了校正基质的准确性改进。椭圆形滴变形证明了当前稳定策略在自由表面上的稳定性/精度改善。最后，模拟了具有复杂界面破碎和聚结的湍流多相流动以证明开发方法的能力。</ 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-20801/'>《International Journal for Numerical Methods in Engineering》</a> <b style="margin: 0 2px;">|</b><span>2018年第10期</span><b style="margin: 0 2px;">|</b><span>共28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=Duan Guangtao&option=202" target="_blank" rel="nofollow">Duan Guangtao;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Koshizuka Seiichi&option=202" target="_blank" rel="nofollow">Koshizuka Seiichi;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yamaji Akifumi&option=202" target="_blank" rel="nofollow">Yamaji Akifumi;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chen Bin&option=202" target="_blank" rel="nofollow">Chen Bin;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Xin&option=202" target="_blank" rel="nofollow">Li Xin;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Tamai Tasuku&option=202" target="_blank" rel="nofollow">Tamai Tasuku;</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>Department of Systems InnovationThe University of TokyoTokyo Japan;</p> <p>Department of Systems InnovationThe University of TokyoTokyo Japan;</p> <p>Cooperative Major in Nuclear Energy Graduate School of Advanced Science and EngineeringWaseda UniversityTokyo Japan;</p> <p>State Key Laboratory of Multiphase Flow in Power EngineeringXi'an Jiaotong UniversityXi'an China;</p> <p>Cooperative Major in Nuclear Energy Graduate School of Advanced Science and EngineeringWaseda UniversityTokyo Japan;</p> <p>Department of Systems InnovationThe University of TokyoTokyo Japan;</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/6940.html" title="工程数学">工程数学;</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=accuracy&option=203" rel="nofollow">accuracy;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=corrective matrix&option=203" rel="nofollow">corrective matrix;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=free surface&option=203" rel="nofollow">free surface;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multiphase MPS method&option=203" rel="nofollow">multiphase MPS method;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=particle shifting&option=203" rel="nofollow">particle shifting;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=stability&option=203" rel="nofollow">stability;</a> </p> <div class="translation"> 机译：准确性;纠正矩阵;自由表面;多相MPS方法;颗粒移位;稳定性; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" 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href="/conference-cn-18505/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 中国工程热物理学会2008多项流学术会议 </a> <span> <span> . 2008</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020314256717.html">基于大涡模拟的移动粒子半隐式法研究及其应用</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=潘徐杰&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 潘徐杰</a> <span> . 2009</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120103441139.html">一种基于改进的移动粒子半隐式法和模态叠加方法求解强非线性时域水弹性问题设计方法</a> <b>[P]</b> . <span> 中国专利： CN110750833A </span> <span> . 2020-02-04</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120113821898.html">一种基于遗传算法的移动半隐式粒子法关键参数优化方法</a> <b>[P]</b> . <span> 中国专利： CN113836791A </span> <span> . 2021-12-24</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130476345330.html">analysis equipment to detect the interactions in stoßbedingungen between moving mechanical particles and particles arranged potentialmodellen</a> <b>[P]</b> . <span> 外国专利：  DE000008121291U1 </span> <span> . 1981-12-03</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：分析设备，用于检测运动的机械粒子与布置有电势的粒子之间的堆积过程中的相互作用 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130430224005.html">Device for modeling structure of electric, magnetic and gravitational componentS of elementary particles and their derivative forms of material (geometry, structure and interaction of those) and structure of electro-magneto-gravitational field triad (more accurate model of building of unified field) by o.o. nakhaba</a> <b>[P]</b> . <span> 外国专利：  UA44472U </span> <span> . 2009-10-12</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：通过以下方法对基本粒子的电，磁和重力分量S及其材料的派生形式（几何形状，结构和相互作用）和电磁引力场三重结构（更精确的统一场建立模型）进行建模的装置OO那卡巴 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130400848332.html">DESIGN METHOD FOR SOLVING STRONG NONLINEAR TIME-DOMAIN WATER ELASTICITY PROBLEM BASED ON IMPROVED MOVING PARTICLE SEMI-IMPLICIT METHOD AND MODAL SUPERPOSITION METHOD</a> <b>[P]</b> . <span> 外国专利：  WO2020192126A1 </span> <span> . 2020-10-01</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：基于改进的运动粒子半隐式和模态叠加法的强非线性时域水弹性问题求解方法 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul 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