Article(id=1246023207862513745, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1246023204117005194, articleNumber=null, orderNo=null, doi=10.19636/j.cnki.cjsm42-1250/o3.2023.035, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1689955200000, receivedDateStr=2023-07-22, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1775004682745, onlineDateStr=2026-04-01, pubDate=1713974400000, pubDateStr=2024-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1775004682745, onlineIssueDateStr=2026-04-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1775004682745, creator=13701087609, updateTime=1775004682745, updator=13701087609, issue=Issue{id=1246023204117005194, tenantId=1146029695717560320, journalId=1241755870837649424, year='2024', volume='45', issue='2', pageStart='145', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1775004681852, creator=13701087609, updateTime=1775004747143, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1246023478026027853, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1246023204117005194, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1246023478026027854, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1246023204117005194, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=253, endPage=265, ext={EN=ArticleExt(id=1246023208143532125, articleId=1246023207862513745, tenantId=1146029695717560320, journalId=1241755870837649424, language=EN, title=Selecting Mapping Function with Highly Efficient Convergence (MFHEC) for ICM Method of Structural Topology Optimization, columnId=1244229834482757770, journalTitle=Chinese Journal of Solid Mechanics, columnName=Research Paper, runingTitle=null, highlight=null, articleAbstract=
In this paper, the filter function in the ICM method and the penalty function in the variable density method are both referred as the mapping functions. Different forms of mapping functions have a significant impact on the convergence efficiency of structural topology optimization. Therefore, it is necessary to study how to construct a suitable mapping function for the optimization model. Aimed at this problem, how to construct and select a mapping function in the establishment of the structural topology optimization model is studied, and the influence of different mapping functions on the convergence efficiency of structural topology optimization is discussed. An approach is proposed to construct a mapping function to achieve high-efficiency convergence in structural topology optimization. Five common forms of mapping functions are also given. An optimization model and a solution algorithm matching the mapping function with highly efficient convergence (MFHEC) are proposed. Firstly, the convergence rates of the filter function and the quasi-filter function of the same form of mapping functions are compared. Then the convergence rates of the fast filter function of different forms of mapping functions are compared. Taking the structural topology optimization problem of minimizing structural volume under displacement constraints as an example, the ICM method is adopted to establish the models and solve the problems. The higher convergence efficiency of MFHEC is verified by the results of numerical comparison. The results show that the fast filter function has a faster convergence rate than other functions in the same form of mapping functions. Compared with five different forms of mapping functions, the filter function of power function form has the fastest convergence efficiency. Finally, it should be emphasized that the conclusions of the mapping function studied in this paper are equally applicable to the filter function of the ICM method and the penalty function of the variable density method. The proposed method for constructing MFHEC is very useful for improving the efficiency of the ICM method and the variable density method.
, correspAuthors=Xirong Peng, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Yunkang Sui, Xirong Peng), CN=ArticleExt(id=1246023222710350523, articleId=1246023207862513745, tenantId=1146029695717560320, journalId=1241755870837649424, language=CN, title=结构拓扑优化ICM法中高效率收敛映射函数MFHEC的选取, columnId=1241831201896469478, journalTitle=固体力学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
本文把ICM方法中的过滤函数和变密度方法中的惩罚函数统称为映射函数,研究了该函数的选取问题,探讨了其选取对于结构拓扑优化优化迭代收敛效率的影响. 为此,本文提出了高效率收敛的映射函数构造途径,写出了5类常见的具体映射函数形式,提出同高效率收敛映射函数MFHEC(Mapping function with highly efficient convergence)相配套的优化模型和寻优解法,先是自行比较了同类映射函数的过滤函数和准过滤函数寻优中收敛的快慢,然后相互比较了不同形式映射函数的快滤函数寻优收敛的快慢. 以ICM方法求解位移约束下结构体积极小的拓扑优化问题为例,通过数值计算比较,印证了MFHEC函数的高效率收敛性. 结果表明:同类函数比较中,快滤函数的收敛速度更快;5种不同类型映射函数比较中,幂函数形式的过滤函数收敛速度更快. 最后需要强调的是:本文研究的映射函数的结论,包括ICM方法的过滤函数和变密度方法中的惩罚函数,二者都是同样适用的.
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Filter function and quasi-filter function for power function, figureFileSmall=nDx7iydg2WGO30e3q+DCGg==, figureFileBig=NW3Hd8wzqpmFgz8PQKfrtA==, tableContent=null), ArticleFig(id=1246023225168212729, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图5, caption=
幂函数的过滤函数与准过滤函数, figureFileSmall=nDx7iydg2WGO30e3q+DCGg==, figureFileBig=NW3Hd8wzqpmFgz8PQKfrtA==, tableContent=null), ArticleFig(id=1246023225231127290, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.6, caption=
Filter function and quasi-filter function for modified Sigmoid function, figureFileSmall=sx1dPLaD9YQXxMPMTdNChw==, figureFileBig=jJRXv+VILRvLgGJWZpdDhA==, tableContent=null), ArticleFig(id=1246023225298236155, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图6, caption=
修正的Sigmoid函数的过滤函数与准过滤函数, figureFileSmall=sx1dPLaD9YQXxMPMTdNChw==, figureFileBig=jJRXv+VILRvLgGJWZpdDhA==, tableContent=null), ArticleFig(id=1246023225369539324, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.7, caption=
Filter function and quasi-filter function for exponent function, figureFileSmall=fwN1RCDXL8QWhJ+CTk3n3Q==, figureFileBig=kh8/mhv0nG1Ah8Qmr8dQWg==, tableContent=null), ArticleFig(id=1246023225436648189, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图7, caption=
指数类的过滤函数与准过滤函数, figureFileSmall=fwN1RCDXL8QWhJ+CTk3n3Q==, figureFileBig=kh8/mhv0nG1Ah8Qmr8dQWg==, tableContent=null), ArticleFig(id=1246023225520534270, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.8, caption=
Filter function and quasi-filter function for sine function, figureFileSmall=RUl+FWlYFhYK2wDwfFBvrg==, figureFileBig=FzM06sGcxSeXo9C9Yg3/mg==, tableContent=null), ArticleFig(id=1246023225591837439, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图8, caption=
正弦函数的过滤函数与准过滤函数, figureFileSmall=RUl+FWlYFhYK2wDwfFBvrg==, figureFileBig=FzM06sGcxSeXo9C9Yg3/mg==, tableContent=null), ArticleFig(id=1246023225700889344, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.9, caption=
Filter function and quasi-filter function for rational function, figureFileSmall=klY0DT57XClb27awHepNKA==, figureFileBig=jd4i1PpY3NwN1LwX1uWbKA==, tableContent=null), ArticleFig(id=1246023225793164033, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图9, caption=
有理函数的过滤函数与准过滤函数, figureFileSmall=klY0DT57XClb27awHepNKA==, figureFileBig=jd4i1PpY3NwN1LwX1uWbKA==, tableContent=null), ArticleFig(id=1246023225898021634, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.10, caption=
Rational function and its symmetrical line, figureFileSmall=iziq0G7hMjLU/r7LcNT2zg==, figureFileBig=2BosvBbtblntMaNqYhMVtQ==, tableContent=null), ArticleFig(id=1246023225981907715, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图10, caption=
有理函数及其对称线, figureFileSmall=iziq0G7hMjLU/r7LcNT2zg==, figureFileBig=2BosvBbtblntMaNqYhMVtQ==, tableContent=null), ArticleFig(id=1246023226044822276, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.11, caption=
Mechanical model of Exmaple 1, figureFileSmall=9DDTjXS7NRR6uHAVpTpNFg==, figureFileBig=QZPVDDjrYRsMpljToHmsGA==, tableContent=null), ArticleFig(id=1246023226111931141, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图11, caption=
算例1的力学模型, figureFileSmall=9DDTjXS7NRR6uHAVpTpNFg==, figureFileBig=QZPVDDjrYRsMpljToHmsGA==, tableContent=null), ArticleFig(id=1246023226200011526, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.12, caption=
Optimization topologies obtained by filter function and quasi-filter function of the power function form, figureFileSmall=Nju0vF5FM2A5W7LI4fJ4Qw==, figureFileBig=Tb3XkC/jsuRhWjdOwNJWUg==, tableContent=null), ArticleFig(id=1246023226288091911, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图12, caption=
幂函数形式的过滤函数与准过滤函数所得到的最优拓扑, figureFileSmall=Nju0vF5FM2A5W7LI4fJ4Qw==, figureFileBig=Tb3XkC/jsuRhWjdOwNJWUg==, tableContent=null), ArticleFig(id=1246023226355200776, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.13, caption=
Shape comparison of 5 different fast filter functions, figureFileSmall=Gusbm4H0KXXGWmggn7Cw6w==, figureFileBig=gUBZfDfN2f4KYpXhwpI4xA==, tableContent=null), ArticleFig(id=1246023226426503945, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图13, caption=
对于5个不同快滤函数的图形比较, figureFileSmall=Gusbm4H0KXXGWmggn7Cw6w==, figureFileBig=gUBZfDfN2f4KYpXhwpI4xA==, tableContent=null), ArticleFig(id=1246023226493612810, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.14, caption=
Filter functions for volume and elemental stiffness matrix with power function form, figureFileSmall=/eB8inHGMeL+J+6exi8NWQ==, figureFileBig=O5Y+iToAUySw0YlZ4+0Y7A==, tableContent=null), ArticleFig(id=1246023226556527371, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图14, caption=
幂函数形式的体积和单元刚度矩阵过滤函数, figureFileSmall=/eB8inHGMeL+J+6exi8NWQ==, figureFileBig=O5Y+iToAUySw0YlZ4+0Y7A==, tableContent=null), ArticleFig(id=1246023226640413452, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.15, caption=
Filter functions for volume and elemental stiffness matrix with rational function form, figureFileSmall=DqCcklXcXuyT1ZEkrXy/rg==, figureFileBig=k/V3ucHPhLBrUllrJw2oIg==, tableContent=null), ArticleFig(id=1246023226711716621, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图15, caption=
有理函数形式的体积和单元刚度矩阵过滤函数, figureFileSmall=DqCcklXcXuyT1ZEkrXy/rg==, figureFileBig=k/V3ucHPhLBrUllrJw2oIg==, tableContent=null), ArticleFig(id=1246023226778825486, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.16, caption=
Optimal topologies obtained bydifferent form functions for Example 3, figureFileSmall=aHWAYf4meOrbtRtDi/bWZQ==, figureFileBig=U259AKZTTfKtDyLREMYpsw==, tableContent=null), ArticleFig(id=1246023226850128655, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图16, caption=
算例3不同形式过滤函数所得到的最优拓扑图形, figureFileSmall=aHWAYf4meOrbtRtDi/bWZQ==, figureFileBig=U259AKZTTfKtDyLREMYpsw==, tableContent=null), ArticleFig(id=1246023226942403344, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.17, caption=
Mechanical model of Example 4, figureFileSmall=2cSrwsjC0IurZUMYQ4ctXg==, figureFileBig=wywMnVZIgHL6Nm0yRrXYYw==, tableContent=null), ArticleFig(id=1246023227030483729, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图17, caption=
算例4的力学模型, figureFileSmall=2cSrwsjC0IurZUMYQ4ctXg==, figureFileBig=wywMnVZIgHL6Nm0yRrXYYw==, tableContent=null), ArticleFig(id=1246023227147924242, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Fig.18, caption=
Optimal topologies obtained by different form functions for Example 4, figureFileSmall=vn29bG5z51robFKNzvIi/w==, figureFileBig=aqP9Pi56vcc369RfVAzXYA==, tableContent=null), ArticleFig(id=1246023227227616019, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=图18, caption=
算例4不同形式过滤函数所得到的最优拓扑图形, figureFileSmall=vn29bG5z51robFKNzvIi/w==, figureFileBig=aqP9Pi56vcc369RfVAzXYA==, tableContent=null), ArticleFig(id=1246023227311502100, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Table 1, caption=
Five neighbored filter functions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 磨光函数的数学归属 | 磨光函数p(xi) | 过滤函数和准过滤函数 |
|---|
| 1 | 幂函数 |  |  | 快滤函数 |
 | |
| 2 | 修正的Sigmoid函数 |  |  | |
 | 快滤函数 |
| 3 | 指数函数 |  |  | |
 | 快滤函数 |
| 4 | 正弦函数 |  |  | 快滤函数 |
 | |
| 5 | 有理函数 |  |  | 快滤函数 |
), ArticleFig(id=1246023227386999573, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=表1, caption=
五对互邻的过滤函数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 磨光函数的数学归属 | 磨光函数p(xi) | 过滤函数和准过滤函数 |
|---|
| 1 | 幂函数 |  |  | 快滤函数 |
 | |
| 2 | 修正的Sigmoid函数 |  |  | |
 | 快滤函数 |
| 3 | 指数函数 |  |  | |
 | 快滤函数 |
| 4 | 正弦函数 |  |  | 快滤函数 |
 | |
| 5 | 有理函数 |  |  | 快滤函数 |
), ArticleFig(id=1246023227487662870, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Table 2, caption=
Parameters for five fast filter functions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 函数形式名称 | 快滤函数 | 参数取值 |
|---|
| 1 | 幂函数 |  | αm=3.3755 |
| 2 | 修正的Sigmoid函数 |  | αs=5.7227 |
| 3 | 指数函数 |  | αz=3.8520 |
| 4 | 正弦函数 |  | αe=2.2140 |
| 5 | 有理函数 |  |  |
), ArticleFig(id=1246023227575743255, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=表2, caption=
对5种快滤函数比较时的参数取值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 函数形式名称 | 快滤函数 | 参数取值 |
|---|
| 1 | 幂函数 |  | αm=3.3755 |
| 2 | 修正的Sigmoid函数 |  | αs=5.7227 |
| 3 | 指数函数 |  | αz=3.8520 |
| 4 | 正弦函数 |  | αe=2.2140 |
| 5 | 有理函数 |  |  |
), ArticleFig(id=1246023227651240728, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Table 3, caption=
Parameters of filter functions for Example 3
, figureFileSmall=null, figureFileBig=null, tableContent=
| 函数形式名称 | 体积过滤函数参数 | 单元刚度过滤函数参数 |
|---|
| 幂函数 | 1 | 3.3755 |
| 有理函数 | 0 | 40/9 |
), ArticleFig(id=1246023227718349593, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=表3, caption=
算例3中过滤函数的参数取值
, figureFileSmall=null, figureFileBig=null, tableContent=
| 函数形式名称 | 体积过滤函数参数 | 单元刚度过滤函数参数 |
|---|
| 幂函数 | 1 | 3.3755 |
| 有理函数 | 0 | 40/9 |
), ArticleFig(id=1246023227781264154, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Table 4, caption=
Comparison of results obtained by different filter functions for Example 3
, figureFileSmall=null, figureFileBig=null, tableContent=
| 过滤函数形式 | 迭代次数 | 体积比 | 位移约束值 |
|---|
| 幂函数 | 47 | 0.3424 | 59.965 |
| 有理函数 | 101 | 0.3140 | 59.997 |
), ArticleFig(id=1246023227848373019, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=表4, caption=
算例3采取不同函数形式的过滤函数时优化结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 过滤函数形式 | 迭代次数 | 体积比 | 位移约束值 |
|---|
| 幂函数 | 47 | 0.3424 | 59.965 |
| 有理函数 | 101 | 0.3140 | 59.997 |
), ArticleFig(id=1246023227949036316, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=EN, label=Table 5, caption=
Comparison of results obtained by different filterfunctions for Example 4
, figureFileSmall=null, figureFileBig=null, tableContent=
| 过滤函数形式 | 迭代次数 | 体积比 | 位移约束值(B,C) |
|---|
| 幂函数 | 49 | 0.4607 | (59.967,-59.967) |
| 有理函数 | 90 | 0.4240 | (59.998,-59.998) |
), ArticleFig(id=1246023228028728093, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023207862513745, language=CN, label=表5, caption=
算例4采取不同函数形式的过滤函数时优化结果对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 过滤函数形式 | 迭代次数 | 体积比 | 位移约束值(B,C) |
|---|
| 幂函数 | 49 | 0.4607 | (59.967,-59.967) |
| 有理函数 | 90 | 0.4240 | (59.998,-59.998) |
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