Article(id=1246023206524530759, tenantId=1146029695717560320, journalId=1241755870837649424, issueId=1246023204117005194, articleNumber=null, orderNo=null, doi=10.19636/j.cnki.cjsm42-1250/o3.2023.036, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1690300800000, receivedDateStr=2023-07-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1775004682427, onlineDateStr=2026-04-01, pubDate=1713974400000, pubDateStr=2024-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1775004682427, onlineIssueDateStr=2026-04-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1775004682427, creator=13701087609, updateTime=1775004682427, 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=188, endPage=200, ext={EN=ArticleExt(id=1246023206742634570, articleId=1246023206524530759, tenantId=1146029695717560320, journalId=1241755870837649424, language=EN, title=Residual Stress Inversion and Deformation Calculation Based on Theory of Elasticity, columnId=1244229834482757770, journalTitle=Chinese Journal of Solid Mechanics, columnName=Research Paper, runingTitle=null, highlight=null, articleAbstract=
During the manufacturing process of a rough workpiece, the non-uniformity of material mechanical properties can result in the generation of residual stresses within the workpiece, which can lead to structural failure. During the cutting removal process of the workpiece, the residual stresses gradually release, causing deformation. In this study, the "birth-death element" technique of finite element analysis was used to simulate the cutting removal process of the material. This process was then transformed into the release of residual stresses. A novel analytical method combining radial basis function interpolation with geometric and physical equations was proposed based on plate shell theory, small-deformation theory, theory of elasticity, and the superposition principle. The method aimed to invert the residual stress field and calculate the resulting deformation. This study was divided into two parts. In the first part, the influence of stress equilibrium equations was neglected, and the radial basis function interpolation method was used to invert the release of residual stresses in thin plates according to the initial residual stress field and the residual stress field after material removal. Next, the stresses were substituted into the physical equations to calculate the strain. The strain was then substituted into the geometric equations, and the plane displacement was calculated by strain integration from geometric equations. Based on the plate shell theory equations, the buckling deformation was inverted according to the plane displacement. In the second part, the reverse process of the first part was performed. Firstly, the buckling deformation caused by material removal in the thin plate was inverted. Then, the buckling deformation was substituted into the plate shell theory equations to invert the release of residual stress and the reconstructed residual stress field. The results demonstrated the reversibility of these two processes. Furthermore, the analytical solutions showed high agreement with the finite element solutions. This suggested that the analytical method proposed in this paper is applicable to thin-plate structures under elastic conditions and can be used to estimate residual stress distribution and predict deformation in the thin-plate cutting removal process.
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毛坯在制造过程中,材料力学性能的非均匀性导致其内部产生残余应力. 残余应力会造成结构破坏,在工件的切削去除过程中,残余应力会逐渐释放并引起变形. 采用有限元的“生死单元”技术模拟材料的切削去除过程,并转化为残余应力的释放,基于板壳理论、小变形理论、弹性理论和叠加原理,将径向基函数插值法与几何方程、物理方程相结合,开发出一种新的解析方法,反演残余应力场并计算变形. 结果表明解析方法的理论解与有限元解高度吻合,能够用于判断残余应力分布并计算残余应力弹性释放引起的变形.
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2011: 182-184. (in Chinese)), articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1246023214422405438, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, xref=null, ext=[AuthorCompanyExt(id=1246023214430794045, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, companyId=1246023214422405438, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Department of Mechanics, School of Astronautics, Beijing Institute of Technology, Beijing, 100081), AuthorCompanyExt(id=1246023214443376958, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, companyId=1246023214422405438, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=北京理工大学宇航学院力学系,北京,100081)])], figs=[ArticleFig(id=1246023216397922712, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Fig.1, caption=
Schematic diagram of sheet loading, figureFileSmall=nXSKgSEF2a2zSwW6ZJFgpQ==, figureFileBig=5J3nXnn7XDlyJDzPsKbNzw==, tableContent=null), ArticleFig(id=1246023216465031582, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=图1, caption=
薄板加载示意图, figureFileSmall=nXSKgSEF2a2zSwW6ZJFgpQ==, figureFileBig=5J3nXnn7XDlyJDzPsKbNzw==, tableContent=null), ArticleFig(id=1246023216683135402, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Fig.2, caption=
Schematic diagram of the sheet structureprior to material removal (green for area Q, yellow for area P), figureFileSmall=YR4QjvcBGgqgKIWxylwqkg==, figureFileBig=/1bPapX6Yvk9hdT33jJxVg==, tableContent=null), ArticleFig(id=1246023216779604395, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=图2, caption=
材料去除前的薄板结构示意图(绿色代表区域Q,黄色代表区域P), figureFileSmall=YR4QjvcBGgqgKIWxylwqkg==, figureFileBig=/1bPapX6Yvk9hdT33jJxVg==, tableContent=null), ArticleFig(id=1246023216834130350, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Fig.3, caption=
Schematic diagram of the force on the sheet prior to material removal, figureFileSmall=oX1tJy5iuZgNg7EX96D6KA==, figureFileBig=mJ5sB8MKa5VVDpcO3GT+jQ==, tableContent=null), ArticleFig(id=1246023216897044915, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=图3, caption=
材料去除前薄板的受力示意图, figureFileSmall=oX1tJy5iuZgNg7EX96D6KA==, figureFileBig=mJ5sB8MKa5VVDpcO3GT+jQ==, tableContent=null), ArticleFig(id=1246023216976736694, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Fig.4, caption=
Inverse results of residual stress (left) and finite element calculation results (right), figureFileSmall=Lhy5780j6UWGtWoPl2tG1A==, figureFileBig=K6E1f/VIaRhqnDUDTTaGuw==, tableContent=null), ArticleFig(id=1246023217043845564, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=图4, caption=
残余应力反演结果(左)和有限元计算结果(右), figureFileSmall=Lhy5780j6UWGtWoPl2tG1A==, figureFileBig=K6E1f/VIaRhqnDUDTTaGuw==, tableContent=null), ArticleFig(id=1246023217106760127, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Fig.5, caption=
Inverse results of displacementw (left) and finite element calculation results (right), figureFileSmall=r0eGDWSuxtRykatC1EWP8Q==, figureFileBig=WmoEGwTs+1YXJ3ay9GT3Fg==, tableContent=null), ArticleFig(id=1246023217178063298, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=图5, caption=
位移w反演结果(左)和有限元计算结果(右), figureFileSmall=r0eGDWSuxtRykatC1EWP8Q==, figureFileBig=WmoEGwTs+1YXJ3ay9GT3Fg==, tableContent=null), ArticleFig(id=1246023217249366472, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Fig.6, caption=
Location distribution of measuring points, figureFileSmall=op9deIRQvsRFwyI2cpfYVg==, figureFileBig=NeJMYytpnw1HClc1IVbXkQ==, tableContent=null), ArticleFig(id=1246023217316475339, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=图6, caption=
测点位置分布图, figureFileSmall=op9deIRQvsRFwyI2cpfYVg==, figureFileBig=NeJMYytpnw1HClc1IVbXkQ==, tableContent=null), ArticleFig(id=1246023217404555725, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Fig.7, caption=
Inverse results of residual stress after reconstruction (left) and finite element calculation results (right), figureFileSmall=n175Kl1A0jr0Gv5pMwZNig==, figureFileBig=1eJio/Ug31J0eh9pEs2r8w==, tableContent=null), ArticleFig(id=1246023217471664597, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=图7, caption=
重构后的残余应力反演结果(左)和有限元计算结果(右), figureFileSmall=n175Kl1A0jr0Gv5pMwZNig==, figureFileBig=1eJio/Ug31J0eh9pEs2r8w==, tableContent=null), ArticleFig(id=1246023217559744988, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Table 1, caption=
Plastic parameter setting for sheet molding
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| 序号 | 应力 | 塑性应变 |
|---|
| 1 | 200 | 0.002 |
| 2 | 246 | 0.0235 |
| 3 | 294 | 0.0474 |
| 4 | 374 | 0.0935 |
| 5 | 437 | 0.1377 |
| 6 | 480 | 0.18 |
), ArticleFig(id=1246023217631048160, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=表1, caption=
薄板塑性参数设置
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| 序号 | 应力 | 塑性应变 |
|---|
| 1 | 200 | 0.002 |
| 2 | 246 | 0.0235 |
| 3 | 294 | 0.0474 |
| 4 | 374 | 0.0935 |
| 5 | 437 | 0.1377 |
| 6 | 480 | 0.18 |
), ArticleFig(id=1246023217719128551, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Table 2, caption=
Inverse error of residual stress
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| 序号 | 位置坐标(x,y) | σx(MPa) | σy(MPa) | τxy(MPa) |
|---|
| 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 |
|---|
| 1 | (64,84) | 37.48 | 36.55 | 2.54% | 52.83 | 52.26 | 1.09% | -38.85 | -37.19 | 4.46% |
| 2 | (48,40) | 108.73 | 109.20 | 0.43% | 112.08 | 111.51 | 0.51% | 9.99 | 9.15 | 9.18% |
| 3 | (36,58) | 142.32 | 142.35 | 0.02% | 132.25 | 134.07 | 1.36% | 8.80 | 8.49 | 3.65% |
| 4 | (10,18) | 30.19 | 34.42 | 12.29% | 29.96 | 34.50 | 13.16% | -61.82 | -60.69 | 1.86% |
| 5 | (36,86) | 71.44 | 77.41 | 7.71% | 84.20 | 88.04 | 4.36% | 19.87 | 21.78 | 8.77% |
| 6 | (60,16) | 57.57 | 57.18 | 0.68% | 50.28 | 52.15 | 3.59% | 20.93 | 21.04 | 0.52% |
| 7 | (64,28) | 102.91 | 102.22 | 0.68% | 107.76 | 105.78 | 1.87% | 26.19 | 26.78 | 2.20% |
| 8 | (70,22) | 87.70 | 90.86 | 3.48% | 84.99 | 88.68 | 4.16% | 33.61 | 35.75 | 5.99% |
| 9 | (80,84) | 17.20 | 16.87 | 1.96% | 27.40 | 27.30 | 0.37% | -51.14 | -48.52 | 5.40% |
| 10 | (78,58) | 47.24 | 47.56 | 0.67% | 56.02 | 57.63 | 2.79% | -19.19 | -18.96 | 1.21% |
), ArticleFig(id=1246023217828180457, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=表2, caption=
残余应力反演误差
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| 序号 | 位置坐标(x,y) | σx(MPa) | σy(MPa) | τxy(MPa) |
|---|
| 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 |
|---|
| 1 | (64,84) | 37.48 | 36.55 | 2.54% | 52.83 | 52.26 | 1.09% | -38.85 | -37.19 | 4.46% |
| 2 | (48,40) | 108.73 | 109.20 | 0.43% | 112.08 | 111.51 | 0.51% | 9.99 | 9.15 | 9.18% |
| 3 | (36,58) | 142.32 | 142.35 | 0.02% | 132.25 | 134.07 | 1.36% | 8.80 | 8.49 | 3.65% |
| 4 | (10,18) | 30.19 | 34.42 | 12.29% | 29.96 | 34.50 | 13.16% | -61.82 | -60.69 | 1.86% |
| 5 | (36,86) | 71.44 | 77.41 | 7.71% | 84.20 | 88.04 | 4.36% | 19.87 | 21.78 | 8.77% |
| 6 | (60,16) | 57.57 | 57.18 | 0.68% | 50.28 | 52.15 | 3.59% | 20.93 | 21.04 | 0.52% |
| 7 | (64,28) | 102.91 | 102.22 | 0.68% | 107.76 | 105.78 | 1.87% | 26.19 | 26.78 | 2.20% |
| 8 | (70,22) | 87.70 | 90.86 | 3.48% | 84.99 | 88.68 | 4.16% | 33.61 | 35.75 | 5.99% |
| 9 | (80,84) | 17.20 | 16.87 | 1.96% | 27.40 | 27.30 | 0.37% | -51.14 | -48.52 | 5.40% |
| 10 | (78,58) | 47.24 | 47.56 | 0.67% | 56.02 | 57.63 | 2.79% | -19.19 | -18.96 | 1.21% |
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Inverse error of displacement
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| 序号 | 位置坐标(x,y) | w(mm) |
|---|
| 反演值 | 真实值 | 绝对误差 | 相对误差 |
|---|
| 1 | (64,84) | 0.1799 | 0.1656 | 0.0143 | 8.6353% |
| 2 | (48,40) | 0.3682 | 0.3728 | 0.0046 | 1.2339% |
| 3 | (36,58) | 0.3723 | 0.3807 | 0.0084 | 2.2065% |
| 4 | (10,18) | 0.0701 | 0.0737 | 0.0036 | 4.8847% |
| 5 | (36,86) | 0.1878 | 0.1838 | 0.0040 | 2.1763% |
| 6 | (60,16) | 0.1990 | 0.1742 | 0.0248 | 14.2365% |
| 7 | (64,28) | 0.2888 | 0.2722 | 0.0166 | 6.0985% |
| 8 | (70,22) | 0.2317 | 0.2049 | 0.0268 | 13.0796% |
| 9 | (80,84) | 0.1229 | 0.0976 | 0.0253 | 25.9221% |
| 10 | (78,58) | 0.2372 | 0.2175 | 0.0197 | 9.0575% |
), ArticleFig(id=1246023218046284274, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=表3, caption=
位移反演误差
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| 序号 | 位置坐标(x,y) | w(mm) |
|---|
| 反演值 | 真实值 | 绝对误差 | 相对误差 |
|---|
| 1 | (64,84) | 0.1799 | 0.1656 | 0.0143 | 8.6353% |
| 2 | (48,40) | 0.3682 | 0.3728 | 0.0046 | 1.2339% |
| 3 | (36,58) | 0.3723 | 0.3807 | 0.0084 | 2.2065% |
| 4 | (10,18) | 0.0701 | 0.0737 | 0.0036 | 4.8847% |
| 5 | (36,86) | 0.1878 | 0.1838 | 0.0040 | 2.1763% |
| 6 | (60,16) | 0.1990 | 0.1742 | 0.0248 | 14.2365% |
| 7 | (64,28) | 0.2888 | 0.2722 | 0.0166 | 6.0985% |
| 8 | (70,22) | 0.2317 | 0.2049 | 0.0268 | 13.0796% |
| 9 | (80,84) | 0.1229 | 0.0976 | 0.0253 | 25.9221% |
| 10 | (78,58) | 0.2372 | 0.2175 | 0.0197 | 9.0575% |
), ArticleFig(id=1246023218121781750, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=EN, label=Table 4, caption=
Inverse error of residual stress after reconstruction
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| 序号 | 位置坐标(x,y) | σx(MPa) | σy(MPa) | τxy(MPa) |
|---|
| 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 |
|---|
| 1 | (20,54) | -93.11 | -86.19 | 8.03% | -52.13 | -46.95 | 11.03% | -25.78 | -25.30 | 1.90% |
| 2 | (24,90) | 31.04 | 25.43 | 22.06% | -12.42 | -14.94 | 16.87% | -62.71 | -54.93 | 14.16% |
| 3 | (40,60) | -109.67 | -95.19 | 15.21% | -105.19 | -91.81 | 14.57% | -15.38 | -13.55 | 13.51% |
| 4 | (44,66) | -106.57 | -92.14 | 15.66% | -105.85 | -96.98 | 9.15% | -15.33 | -14.71 | 4.21% |
| 5 | (52,62) | -87.58 | -78.42 | 11.68% | -81.65 | -71.33 | 14.47% | -11.00 | -10.79 | 1.95% |
| 6 | (60,28) | -37.84 | -35.41 | 6.86% | -56.91 | -52.86 | 7.66% | -3.56 | -3.31 | 7.55% |
| 7 | (62,52) | -66.44 | -60.35 | 10.09% | -57.73 | -49.48 | 16.67% | -2.17 | -2.93 | 25.94% |
| 8 | (70,44) | -64.30 | -59.24 | 8.54% | -49.18 | -42.74 | 15.07% | -3.07 | -2.78 | 10.43% |
| 9 | (78,60) | -26.63 | -23.61 | 12.79% | 38.54 | 42.07 | 8.39% | -20.15 | -20.59 | 2.14% |
| 10 | (88,38) | -22.56 | -21.09 | 6.97% | 50.90 | 51.57 | 1.30% | 25.08 | 24.45 | 2.58% |
), ArticleFig(id=1246023218209862139, tenantId=1146029695717560320, journalId=1241755870837649424, articleId=1246023206524530759, language=CN, label=表4, caption=
重构后的残余应力反演误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 位置坐标(x,y) | σx(MPa) | σy(MPa) | τxy(MPa) |
|---|
| 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 | 反演值 | 真实值 | 误差 |
|---|
| 1 | (20,54) | -93.11 | -86.19 | 8.03% | -52.13 | -46.95 | 11.03% | -25.78 | -25.30 | 1.90% |
| 2 | (24,90) | 31.04 | 25.43 | 22.06% | -12.42 | -14.94 | 16.87% | -62.71 | -54.93 | 14.16% |
| 3 | (40,60) | -109.67 | -95.19 | 15.21% | -105.19 | -91.81 | 14.57% | -15.38 | -13.55 | 13.51% |
| 4 | (44,66) | -106.57 | -92.14 | 15.66% | -105.85 | -96.98 | 9.15% | -15.33 | -14.71 | 4.21% |
| 5 | (52,62) | -87.58 | -78.42 | 11.68% | -81.65 | -71.33 | 14.47% | -11.00 | -10.79 | 1.95% |
| 6 | (60,28) | -37.84 | -35.41 | 6.86% | -56.91 | -52.86 | 7.66% | -3.56 | -3.31 | 7.55% |
| 7 | (62,52) | -66.44 | -60.35 | 10.09% | -57.73 | -49.48 | 16.67% | -2.17 | -2.93 | 25.94% |
| 8 | (70,44) | -64.30 | -59.24 | 8.54% | -49.18 | -42.74 | 15.07% | -3.07 | -2.78 | 10.43% |
| 9 | (78,60) | -26.63 | -23.61 | 12.79% | 38.54 | 42.07 | 8.39% | -20.15 | -20.59 | 2.14% |
| 10 | (88,38) | -22.56 | -21.09 | 6.97% | 50.90 | 51.57 | 1.30% | 25.08 | 24.45 | 2.58% |
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