{“状态”:“确定”,“消息类型”:“工作”,“信息版本”:“1.0.0”,“邮件”:{“索引”:{-“日期段”:[[2024,6,7]],“日期时间”:“2024-06-07T19:58:06Z”,“时间戳”:17177902867777},“参考计数”:47,“出版商”:“ASME国际”,“问题”:“5”,“许可证”:[{“开始”:{:“日期段3-29T00:00:00Z“,”时间戳“:1680048000000},“content-version”:“vor”,“delay-in-days”:0,“URL”:“https:\/\/www.asme.org\/publications-submissions\/publishing-information\/legal-policys”}],“funder”:[{“DOI”:“10.13039\/501100001809”,“name”:“中国自然科学基金会”,“DOI-asserted-by”:“publisher”,“award”:[“51975589”],“id”:[}“id”:“10.13029\/501000001808”,“id-type”“:”DOI“,“asserted-by”:“publisher”}]}],“content-domain”:{“domain”:[“asmedigitalcollection.asme.org”],“crossmark-restriction”:true},“short-container-title”:[],“published-print”:{“date-parts”:[2023,10,1]]},”摘要“:”摘要<\/jats:title>本文通过引入一条包含滤波和投影过程的连续优化管道,提出了一种基于物理的方法来反演轮轨生命周期中的接触面积。首先,引入单元连通性参数化方法,用离散接触对构造连续目标,并建立基于物理的优化模型。其次,采用基于半径的滤波方程对设计变量进行平滑以提高数值稳定性,并引入可微步长函数将平滑后的设计变量投影到0\u20131离散整数空间中,以确保优化模型的解产生离散接触对。最后,通过分析松弛优化公式对设计变量的敏感性,构造了移动渐近线法迭代更新轮轨接触面积,直至算法收敛。实验结果表明,与线路追踪法相比,该方法能够有效地反求轮轨生命周期中的接触点;据我们所知,这是首次尝试使用基于梯度的优化方法,同时使用测量轮廓和预测轮廓数据来考虑生命周期服务中的轮轨接触面积<\/jats:p>“,”DOI“:”10.1115\/1.4056921“,”type“:”journal-article“,”created“:{”date-parts“:[2023,2,17]],”date-time“:”2023-02-17T03:31:36Z“,”timestamp“:167660469000},”update-policy“:“http://\/dx.DOI.org\/10.115\/crossmarkpolicy-asme”,“source”:“Crossref”,“is-referenced-by-count”:2,“title”:[“用基于梯度优化的物理驱动方法确定车轮\u2014轨道接触面积“],前缀:“10.1115”,卷:“23”,作者:[{“给定”:“龙”,“族”:“刘”,“序列”:“第一”,“隶属”:[{'名称:“中南大学交通运输工程学院,长沙410075”}]},{“已知”:“兵”,“家族”:“Yi”,“sequence”:“additional”,“affiliation”:[{“name”:“中南大学交通运输工程学院,长沙410075”}]},{“given”:“Daping”,“family”:“Li”,“serquence”:“additionable”,“feliation”:[{”name“:”中建五局股份有限公司。工程创新研究所,长沙410075“}]}],“成员”:“33”,“在线发布”:{“日期-部件”:[[2023,3,29]]},“参考”:[{“问题”:“2”,“密钥”:“2023032910500946300_”,“doi-asserted-by”:“出版商”,“首页”:“021012”,”doi“10.1115\/1.4054488”,“文章-标题”:“基于LM-OMP-NARXNN的铁路列车数据驱动车轮磨损预测模型,“卷”:“23”,“作者”:“邓”,“年份”:“2023”,“期刊标题”:“ASME 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