Article(id=1154065847258701995, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298855528714458, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20250107, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1718726400000, receivedDateStr=2024-06-19, revisedDate=1733155200000, revisedDateStr=2024-12-03, acceptedDate=null, acceptedDateStr=null, onlineDate=1753080339493, onlineDateStr=2025-07-21, pubDate=1740412800000, pubDateStr=2025-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753080339493, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753080339493, creator=13701087609, updateTime=1753080339493, updator=13701087609, issue=Issue{id=1149298855528714458, tenantId=1146029695717560320, journalId=1146119989267898375, year='2025', volume='48', issue='1', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1751943800098, creator=13701087609, updateTime=1754905336149, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1161720438087307694, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298855528714458, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1161720438087307695, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298855528714458, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=51, endPage=56, ext={EN=ArticleExt(id=1154065847757824173, articleId=1154065847258701995, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Optimization and Verification of Clamping Method for Vibration Testing of Solid Rocket Engine Shell, columnId=1154057566893105509, journalTitle=Missiles and Space Vehicles, columnName=Propulsion, runingTitle=null, highlight=null, articleAbstract=
Vibration testing is one of the key methods for verifying the structural performance of solid rocket engines. It involves securing the test piece on the vibration table with fixtures to ensure accurate transmission of vibration loads, preventing resonance or tailing phenomena, which are the desired outcomes of vibration testing for solid rocket engines. This research focuses on a certain model solid rocket engine shell vibration testing fixture clamping methods and proposes a vibration testing fixture optimization method based on a proportionality coefficient. A simulation model of the solid rocket engine shell and the fixtures is established. Modal analysis and harmonic response analysis are carried out for the structure under different proportionality coefficients of the clamping methods. The vibration testing of the shell is conducted on a ${90}\mathrm{{kN}}$ electromagnetic vibration table. The test results indicate that a proportionality coefficient of 0.9 is the optimal clamping method for the vibration testing of the solid rocket engine shell with a slenderness ratio of 2.6, which is generally consistent with the simulation analysis results. This clamping optimization method has practical reference value for vibration testing of solid rocket engine shells.
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振动环境试验是固体发动机结构性能验证的重要手段之一,使用工装夹具将试验件紧固在振动台上,保证振动载荷能够准确传递,避免共振或甩尾现象的发生,是固体发动机振动试验期望达到的理想目标。针对某型号固体发动机壳体振动试验工装夹持方式,提出一种基于比例系数的振动试验夹持优化方法,建立固体发动机壳体和工装夹具的仿真模型,在不同比例系数的夹持方式下,对结构进行模态分析和谐响应分析,并在${90}\mathrm{{kN}}$电磁振动台上完成壳体的振动试验测试。试验结果表明,在进行该长细比为2.6的固体发动机壳体振动试验时,比例系数为0.9时为最优夹持方式,与仿真分析结果基本一致,本央持优化方法对固体发动机壳体振动试验具有一定参考价值。
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奥玉杰(2000—),男,硕士研究生,主要研究方向为固体发动机试验技术与装备。
刘兵(1970—),男,博士,研究员,主要研究方向为固体发动机结构强度试验技术。
翟晓(1984-),女,高级工程师,主要研究方向为固体发动机结构强度试验技术。
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奥玉杰(2000—),男,硕士研究生,主要研究方向为固体发动机试验技术与装备。
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奥玉杰(2000—),男,硕士研究生,主要研究方向为固体发动机试验技术与装备。
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刘兵(1970—),男,博士,研究员,主要研究方向为固体发动机结构强度试验技术。
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刘兵(1970—),男,博士,研究员,主要研究方向为固体发动机结构强度试验技术。
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翟晓(1984-),女,高级工程师,主要研究方向为固体发动机结构强度试验技术。
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翟晓(1984-),女,高级工程师,主要研究方向为固体发动机结构强度试验技术。
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Schematic of solid engine vibration fixture connection, figureFileSmall=w1IVmFZQ3bBkuOSXtvEPrw==, figureFileBig=iDYqnrV2C6XZGpq0bMr4ow==, tableContent=null), ArticleFig(id=1197268536570724527, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图1, caption=
固体发动机振动工装连接示意, figureFileSmall=w1IVmFZQ3bBkuOSXtvEPrw==, figureFileBig=iDYqnrV2C6XZGpq0bMr4ow==, tableContent=null), ArticleFig(id=1197268536927240370, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 2, caption=
Simplification of complex structures in multi degree of freedom systems, figureFileSmall=YxfG+eRmjoqHcCBBGRa0kQ==, figureFileBig=sugcZngBsWVMTp2e1BGnmQ==, tableContent=null), ArticleFig(id=1197268538198114483, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图2, caption=
多自由度系统的复杂结构简化${m}_{1}$一转接板;${m}_{2}$一弧座;${m}_{3}$一壳体;${k}_{1},{k}_{2},{k}_{3}$一刚体之间的刚度;${c}_{1},{c}_{2},{c}_{3}$一刚体之间的刚度阻尼。
, figureFileSmall=YxfG+eRmjoqHcCBBGRa0kQ==, figureFileBig=sugcZngBsWVMTp2e1BGnmQ==, tableContent=null), ArticleFig(id=1197268538336526517, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 3, caption=
Schematic of the maximum distance between two arc seats, figureFileSmall=E+lUWuXvpWi3J63EUV4Q+Q==, figureFileBig=kbghLCVNuPGSsCzs1f74yw==, tableContent=null), ArticleFig(id=1197268538558824631, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图3, caption=
两弧座最大间距示意, figureFileSmall=E+lUWuXvpWi3J63EUV4Q+Q==, figureFileBig=kbghLCVNuPGSsCzs1f74yw==, tableContent=null), ArticleFig(id=1197268538764345528, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 4, caption=
Finite element model, figureFileSmall=klVCBZ8iqHxXTB0GIj2g5Q==, figureFileBig=cbwNU8mMABLgY36LDDpUgQ==, tableContent=null), ArticleFig(id=1197268538978255034, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图4, caption=
有限元模型, figureFileSmall=klVCBZ8iqHxXTB0GIj2g5Q==, figureFileBig=cbwNU8mMABLgY36LDDpUgQ==, tableContent=null), ArticleFig(id=1197268539129249980, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 5, caption=
Structural state diagrams under different proportionality coefficient $\alpha$, figureFileSmall=wD/zcHRPoLqjv1DadSqN1g==, figureFileBig=OlSLh5SPFiVmFfTmNwKpsQ==, tableContent=null), ArticleFig(id=1197268539460599998, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图5, caption=
不同比例系数$\alpha$下的结构状态, figureFileSmall=wD/zcHRPoLqjv1DadSqN1g==, figureFileBig=OlSLh5SPFiVmFfTmNwKpsQ==, tableContent=null), ArticleFig(id=1197268539645149376, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 6, caption=
Diagrams of the first 5 vibration mode of the structure with the proportionality coefficient $\alpha ={0.8}$, figureFileSmall=AUPwAPO2V7gggUB5ZOT6Fg==, figureFileBig=vzkCQc5Ag5qTH/H5BiPREw==, tableContent=null), ArticleFig(id=1197268539875836098, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图6, caption=
比例系数$\alpha ={0.8}$时结构前5阶振型, figureFileSmall=AUPwAPO2V7gggUB5ZOT6Fg==, figureFileBig=vzkCQc5Ag5qTH/H5BiPREw==, tableContent=null), ArticleFig(id=1197268540215574724, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 7, caption=
Acceleration response observation points, figureFileSmall=L3VWuJsRHzMoDKszlfPTlA==, figureFileBig=dxxXbkxaxACfhO0VXFI4FQ==, tableContent=null), ArticleFig(id=1197268540546924742, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图7, caption=
加速度响应观测点, figureFileSmall=L3VWuJsRHzMoDKszlfPTlA==, figureFileBig=dxxXbkxaxACfhO0VXFI4FQ==, tableContent=null), ArticleFig(id=1197268540714696904, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 8, caption=
Acceleration response curves under different proportionality coefficients, figureFileSmall=bs2mzF2lxMqwgJbKvjn2Cg==, figureFileBig=K9kVpd3JKwRlqi0FhQv0qg==, tableContent=null), ArticleFig(id=1197268540928606409, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图8, caption=
不同比例系数下的加速度响应曲线, figureFileSmall=bs2mzF2lxMqwgJbKvjn2Cg==, figureFileBig=K9kVpd3JKwRlqi0FhQv0qg==, tableContent=null), ArticleFig(id=1197268541276733643, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Fig. 9, caption=
Sinusoidal sweep frequency vibration test results, figureFileSmall=5CPtoeZPhsScCLRI8in/ig==, figureFileBig=GDsum8sYxiSRYE0wwtSVvA==, tableContent=null), ArticleFig(id=1197268542480498893, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=图9, caption=
正弦扫频振动试验结果, figureFileSmall=5CPtoeZPhsScCLRI8in/ig==, figureFileBig=GDsum8sYxiSRYE0wwtSVvA==, tableContent=null), ArticleFig(id=1197268542820237518, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Tab. 1, caption=
Material parameters, figureFileSmall=null, figureFileBig=null, tableContent=
| 部件名称 | 密度$/\left({\mathrm{{kg}}\cdot {\mathrm{m}}^{-3}}\right)$ | 杨氏模量/MPa | 泊松比 |
|---|
| 壳体 | 1600 | 100 000 | 0.3 |
| 弧座 | 7860 | 200 000 |
| 毛毡 | 200 | 1000 |
| 转接板 | 2710 | 70000 |
), ArticleFig(id=1197268543101255888, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=表1, caption=
材料参数, figureFileSmall=null, figureFileBig=null, tableContent=
| 部件名称 | 密度$/\left({\mathrm{{kg}}\cdot {\mathrm{m}}^{-3}}\right)$ | 杨氏模量/MPa | 泊松比 |
|---|
| 壳体 | 1600 | 100 000 | 0.3 |
| 弧座 | 7860 | 200 000 |
| 毛毡 | 200 | 1000 |
| 转接板 | 2710 | 70000 |
), ArticleFig(id=1197268543386468562, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=EN, label=Tab. 2, caption=
The first 10 modal frequencies of the structure under different proportionality coefficients, figureFileSmall=null, figureFileBig=null, tableContent=
| $\alpha$ | 阶数 |
|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|
| 0.15 | 120.39 | 175.73 | 188.20 | 188.93 | 229.35 | 339.71 | 340.39 | 386.77 | 543.45 | 562.28 |
| 0.5 | 191.72 | 205.94 | 207.89 | 280.99 | 337.15 | 369.82 | 372.80 | 411.63 | 564.37 | 573.18 |
| 0.6 | 196.13 | 221.80 | 227.86 | 307.94 | 350.07 | 397.85 | 403.25 | 414.11 | 561.22 | 569.91 |
| 0.7 | 200.82 | 231.20 | 253.97 | 325.67 | 358.71 | 415.75 | 429.48 | 439.49 | 553.41 | 570.36 |
| 0.8 | 204.62 | 218.98 | 286.77 | 356.33 | 363.00 | 417.93 | 452.99 | 479.32 | 548.13 | 580.69 |
| 0.9 | 188.69 | 204.45 | 314.18 | 360.89 | 407.97 | 426.23 | 443.56 | 498.55 | 542.25 | 602.53 |
| 1 | 159.58 | 196.13 | 320.92 | 347.84 | 432.38 | 453.38 | 481.49 | 491.55 | 520.85 | 612.47 |
), ArticleFig(id=1197268543583600852, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1154065847258701995, language=CN, label=表2, caption=
不同比例系数下结构的前10阶模态频率 单位: $\mathrm{{Hz}}$, figureFileSmall=null, figureFileBig=null, tableContent=
| $\alpha$ | 阶数 |
|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|
| 0.15 | 120.39 | 175.73 | 188.20 | 188.93 | 229.35 | 339.71 | 340.39 | 386.77 | 543.45 | 562.28 |
| 0.5 | 191.72 | 205.94 | 207.89 | 280.99 | 337.15 | 369.82 | 372.80 | 411.63 | 564.37 | 573.18 |
| 0.6 | 196.13 | 221.80 | 227.86 | 307.94 | 350.07 | 397.85 | 403.25 | 414.11 | 561.22 | 569.91 |
| 0.7 | 200.82 | 231.20 | 253.97 | 325.67 | 358.71 | 415.75 | 429.48 | 439.49 | 553.41 | 570.36 |
| 0.8 | 204.62 | 218.98 | 286.77 | 356.33 | 363.00 | 417.93 | 452.99 | 479.32 | 548.13 | 580.69 |
| 0.9 | 188.69 | 204.45 | 314.18 | 360.89 | 407.97 | 426.23 | 443.56 | 498.55 | 542.25 | 602.53 |
| 1 | 159.58 | 196.13 | 320.92 | 347.84 | 432.38 | 453.38 | 481.49 | 491.55 | 520.85 | 612.47 |
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