{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"针对空间结构中常见的蜂窝夹芯壳体提出了一种32节点相对自由度<span style=\"color:red\">三</span>层壳<span style=\"color:red\">元</span>,以及一种精确计算层间应力的后处理方案.这种32节点壳<span style=\"color:red\">元</span>可以更好地反映结构固<span style=\"color:red\">有</span>的特性,易与<span style=\"color:red\">三维</span>实体单元相连接,使变厚度、带<span style=\"color:red\">有</span>补强的蜂窝夹芯复合材料壳体等复杂结构问题得以正确建模.本文作者的后处理方案克服了位移<span style=\"color:red\">有限元</span>层间应力不连续的缺点,保证了应力精确满足边界条件.综合运用以上方法的典型算例表明:计算精度是令人满意的.","authors":[{"authorName":"程乐锦","id":"08337f49-8791-42f8-ba10-47b98eb7e8d3","originalAuthorName":"程乐锦"},{"authorName":"薛明德","id":"5a7175d1-45fa-4b3b-b32c-a5bb9697cdc1","originalAuthorName":"薛明德"},{"authorName":"胡宁","id":"b73c692b-0d86-492e-b849-2c45e3330227","originalAuthorName":"胡宁"}],"doi":"10.3321/j.issn:1000-3851.2003.02.016","fpage":"88","id":"98a00e3b-dfd8-405e-b294-efc19be50960","issue":"2","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"6a70b749-a052-478f-b8f3-32c10114ac14","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"b9e51910-570c-4d5c-9888-8441bb5c3192","keyword":"<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>","originalKeyword":"三维有限元法"},{"id":"82fe95a7-d08c-4f49-98dd-cb6a19cf54a3","keyword":"层合壳单元","originalKeyword":"层合壳单元"},{"id":"0ef8fdf0-b3bb-41f5-ac83-a1b3b1ff617a","keyword":"应力分析","originalKeyword":"应力分析"}],"language":"zh","publisherId":"fhclxb200302016","title":"基于<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>的层合圆柱壳应力分析","volume":"20","year":"2003"},{"abstractinfo":"采用<span style=\"color:red\">三维</span>弹塑性大变形热力耦合<span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>,模拟薄板坯连铸液芯铸轧过程中的坯壳变形,分析影响铸坯纵向伸长的主要因素.提出动态反向堆钢理论,对<span style=\"color:red\">有限元</span>模拟结果和在线热带生产(ISP)工艺中的铸轧技术做出了合理解释.","authors":[{"authorName":"逯洲威","id":"a3e24c6f-f85f-4542-a5aa-8ce5afa6785b","originalAuthorName":"逯洲威"},{"authorName":"蔡开科","id":"7f2311c7-b4fd-4c55-811a-23d2abfcf2de","originalAuthorName":"蔡开科"}],"doi":"10.3321/j.issn:0412-1961.2000.07.018","fpage":"757","id":"244b4fd5-6883-4108-84b8-fdca43c762c1","issue":"7","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"3aec930e-f107-47bf-bc97-cbe7137ce210","keyword":"薄板坯连铸","originalKeyword":"薄板坯连铸"},{"id":"ffb57950-f0e4-44a9-bbe1-235e7923ebd4","keyword":"铸轧","originalKeyword":"铸轧"},{"id":"56f88e14-786a-428c-bb43-d71478671b89","keyword":"纵向伸长","originalKeyword":"纵向伸长"},{"id":"7be40874-9328-4dd5-989c-dbcb1d04e8d2","keyword":"<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>","originalKeyword":"三维有限元法"}],"language":"zh","publisherId":"jsxb200007018","title":"薄板坯连铸液芯铸轧过程的<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>分析","volume":"36","year":"2000"},{"abstractinfo":"建立了液固挤压Al2O3sf/LY12复合材料<span style=\"color:red\">三维</span>非稳态传热过程的<span style=\"color:red\">有限元</span>数学模型,并对其进行了<span style=\"color:red\">三维</span>热传导数值模拟,直观地显示出材料内部和表面在不同时刻、不同位置的<span style=\"color:red\">三维</span>温度场分布及其演变情况.模拟结果表明,坯料内部和表面的温度场在保压过程中分布均匀,而在挤压过程中则随时间推移而剧烈波动,从而造成坯料表面局部过热,由此导致制件表面龟裂现象的发生.模拟结果与实验结果基本吻合,为合理确定工艺参数和保证成形质量奠定了理论基础.","authors":[{"authorName":"王振军","id":"9ce22f2a-fbb9-4e50-8748-95244d164e9a","originalAuthorName":"王振军"},{"authorName":"齐乐华","id":"5fef898e-7666-4e3c-a218-8452495568ee","originalAuthorName":"齐乐华"},{"authorName":"周计明","id":"efa4eac9-8917-498d-b637-a2138d622cf9","originalAuthorName":"周计明"},{"authorName":"杨方","id":"990db8a2-1729-4c6b-85e8-4edee861acb2","originalAuthorName":"杨方"}],"doi":"10.3321/j.issn:0412-1961.2007.08.014","fpage":"857","id":"90d5d4ed-64d9-4681-ad02-bb1822b443c4","issue":"8","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"db7543a7-1a65-4022-8ff8-608abd33a1a9","keyword":"Al2O3/LY12复合材料","originalKeyword":"Al2O3/LY12复合材料"},{"id":"bc5e5a4b-cb4f-4961-8468-b3b454c48a19","keyword":"液固挤压","originalKeyword":"液固挤压"},{"id":"6ae92ae9-84a4-494f-9c6c-d7c536e927be","keyword":"<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>","originalKeyword":"三维有限元法"},{"id":"4f7d9fdd-7dee-44ea-bc29-9f0835002564","keyword":"温度场演变","originalKeyword":"温度场演变"},{"id":"11a4e698-66dc-42fe-aa30-5671f623c60c","keyword":"热传导","originalKeyword":"热传导"}],"language":"zh","publisherId":"jsxb200708014","title":"Al2O3sf/LY12复合材料液固挤压成形中温度场演变的<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>分析","volume":"43","year":"2007"},{"abstractinfo":"针对空间结构中常见的复合材料层合壳体结构发展了一种多层相对自由度层合壳<span style=\"color:red\">元</span>.这种实体型壳<span style=\"color:red\">元</span>既可以用较粗的网格很好地模拟层合壳,又易与<span style=\"color:red\">三维</span>实体单元相连接,使变厚度、带<span style=\"color:red\">有</span>补强的复合材料层合壳体等复杂结构得以正确建模.同时运用旋转周期<span style=\"color:red\">有限元</span>技术对大规模的空间复合材料层合结构成功实施了屈曲分析.数值算例验证了本文计算策略的<span style=\"color:red\">有</span>效性.","authors":[{"authorName":"李军","id":"be3f7385-a574-4751-a122-9df0797d9122","originalAuthorName":"李军"},{"authorName":"薛明德","id":"11d3dea4-caca-4650-bb35-fe542dc9b426","originalAuthorName":"薛明德"}],"doi":"10.3321/j.issn:1000-3851.2005.03.029","fpage":"150","id":"77eef2b8-08e6-4dc1-942a-f7fb88287353","issue":"3","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"3fee3c52-62da-4ed0-886e-02625dd4406a","keyword":"屈曲分析","originalKeyword":"屈曲分析"},{"id":"8db540ae-fd5e-4379-901c-d8ed7f3cfda2","keyword":"<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>","originalKeyword":"三维有限元法"},{"id":"193e1591-7cdc-427c-8a61-f37145495ac4","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"9e09d670-b6a4-4423-b633-aa74e8b61deb","keyword":"层合壳","originalKeyword":"层合壳"},{"id":"264e24d9-0185-40d5-a883-ef7591865fcf","keyword":"旋转周期","originalKeyword":"旋转周期"}],"language":"zh","publisherId":"fhclxb200503029","title":"旋转周期复合材料层合结构的<span style=\"color:red\">有限元</span>屈曲分析","volume":"22","year":"2005"},{"abstractinfo":"借助商业<span style=\"color:red\">有限元</span>软件MARC/AUTOFORGE,采用<span style=\"color:red\">三维</span>热力耦合弹塑性<span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>对大冶特殊钢公司棒材连轧机组的箱形孔中轧制轴承方坯的过程进行了模拟,模拟结果与现场轧机的记录数据十分吻合.","authors":[{"authorName":"王艳文","id":"b9cc75d0-f85a-4aa0-b106-d38c417af00e","originalAuthorName":"王艳文"},{"authorName":"康永林","id":"b571d22e-fa59-4dff-9c44-c72e40ad3b38","originalAuthorName":"康永林"},{"authorName":"余智勇","id":"e997cb51-28a9-4214-9c86-b4d0b617840e","originalAuthorName":"余智勇"},{"authorName":"袁大焕","id":"087acd0c-3f1c-4d03-ac55-d4f7e224b2ec","originalAuthorName":"袁大焕"},{"authorName":"陈跃南","id":"1cf3f1e9-f0f7-47ab-bbff-650562d15b8c","originalAuthorName":"陈跃南"},{"authorName":"王国富","id":"3432a422-0c89-4f6e-8519-1cc6b1358d05","originalAuthorName":"王国富"}],"doi":"","fpage":"38","id":"dbeab1e3-8515-4905-a838-8a058b23e1da","issue":"2","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"c4b56e3d-c004-4643-9360-83178ebf85cc","keyword":"箱形孔型","originalKeyword":"箱形孔型"},{"id":"d9225d10-99e9-4d4b-b135-c808c1231159","keyword":"型钢轧制","originalKeyword":"型钢轧制"},{"id":"7dc8b44f-072a-4841-ba0d-ddd9fae527e6","keyword":"弹塑性<span style=\"color:red\">有限元</span>","originalKeyword":"弹塑性有限元"}],"language":"zh","publisherId":"gt200002011","title":"轧制方坯的<span style=\"color:red\">三维</span>弹塑性<span style=\"color:red\">有限元</span>研究","volume":"35","year":"2000"},{"abstractinfo":"为提高<span style=\"color:red\">有限元</span>分析效率、减少存储空间消耗,对刚度矩阵的压缩存储算法进行了研究.研究了＂广义相邻节点对＂与刚度矩阵中非零子矩阵的关系,确定了刚度矩阵中非零子矩阵的分布规律;提出了一种新的刚度矩阵压缩存储方法—＂改进的CSR存储方法＂,给出了基于压缩存储的刚度矩阵的生成过程以及线性方程组迭代解法方法,并将提出的算法应用于<span style=\"color:red\">三维</span>体积成形<span style=\"color:red\">有限元</span>分析软件.<span style=\"color:red\">有限元</span>分析实例表明,该算法可以<span style=\"color:red\">有</span>效地减少存储空间,提高计算效率.","authors":[{"authorName":"王忠雷","id":"1c786793-9d43-47c3-b240-600b0ec686a3","originalAuthorName":"王忠雷"},{"authorName":"赵国群","id":"69c87c52-19c0-455b-8afe-b0305f142d8e","originalAuthorName":"赵国群"},{"authorName":"马新武","id":"cdd2d65b-ee6a-42e7-a5af-355255ddd267","originalAuthorName":"马新武"}],"doi":"","fpage":"96","id":"1570079b-0fd4-40f4-b42d-dbba72d31ddc","issue":"2","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"cbac4399-5c8f-4318-8963-6e53c261fda2","keyword":"<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>方法","originalKeyword":"三维有限元方法"},{"id":"4b4b02a6-1003-40be-8520-ee1aa3bae422","keyword":"刚度矩阵","originalKeyword":"刚度矩阵"},{"id":"a9dccfc6-192d-45fc-9e00-ff29d5527476","keyword":"压缩存储","originalKeyword":"压缩存储"},{"id":"78ca8adf-e305-4a37-9af7-a925adf5a335","keyword":"六面体网格","originalKeyword":"六面体网格"}],"language":"zh","publisherId":"clkxygy201202018","title":"<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>刚度矩阵的压缩存储算法","volume":"20","year":"2012"},{"abstractinfo":"基于ABAQUS建立YG硬质合金刀具铣削7055铝合金的<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>模型,并对<span style=\"color:red\">三</span>向切削力及切削温度进行<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>模拟.结果显示:切削力仿真值与实验值之间<span style=\"color:red\">有</span>合理一致性,切削温度仿真值与实验值之间的最大误差为15％,在允许范围内,对实际生产及切削参数优化提供指导意义.","authors":[{"authorName":"苏建民","id":"c963286b-29d1-4659-88c8-e706890a142c","originalAuthorName":"苏建民"}],"doi":"","fpage":"13","id":"d178c74a-48c3-4ae8-b7f7-3a78af91d62c","issue":"3","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程   "},"keywords":[{"id":"23515d81-4baa-4dc2-9b7f-324dda927373","keyword":"<span style=\"color:red\">有限元</span>模型","originalKeyword":"有限元模型"},{"id":"d21d4bee-ff35-4cb4-ad2e-22148f2e8bf4","keyword":"切削力","originalKeyword":"切削力"},{"id":"9353d41d-5e98-424e-884b-650937a5aa68","keyword":"温度","originalKeyword":"温度"},{"id":"30f9a05b-ef81-42df-b7e5-3a997ea38884","keyword":"切削参数优化","originalKeyword":"切削参数优化"}],"language":"zh","publisherId":"bqclkxygc201603004","title":"7055铝合金高速切削<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>模拟","volume":"39","year":"2016"},{"abstractinfo":"本文讨论了复杂<span style=\"color:red\">三维</span>体积成形<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>仿真目前存在的难点, 并提出了相应的解决方法, 利用自行开发的<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>仿真系统, 对实际生产中的复杂的多工位体积成形过程进行了<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>仿真, 从仿真结果可以看出. 本文所述的解决方法是成功的.","authors":[{"authorName":"左旭","id":"76171927-5683-48ac-9c52-21746844d675","originalAuthorName":"左旭"},{"authorName":"陈军","id":"68d3fa4f-5555-4754-8d0a-a7e40943d409","originalAuthorName":"陈军"}],"categoryName":"|","doi":"","fpage":"325","id":"92b1b0aa-2a46-4fcf-93f9-9177a027a24f","issue":"3","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"72f1cbd0-0714-44d6-b6e4-39a33881fa80","keyword":"<span style=\"color:red\">有限元</span>","originalKeyword":"有限元"},{"id":"09f9801a-70d6-4717-93f5-2a0164373f92","keyword":"null","originalKeyword":"null"},{"id":"73a6e350-f0c7-4de3-9842-aba4fc9ac0ba","keyword":"null","originalKeyword":"null"},{"id":"ecadd2af-d43f-4da0-b3c8-57cafe82c053","keyword":"null","originalKeyword":"null"},{"id":"9fcc5f9d-5eb2-411e-8cc0-74f287aec7bd","keyword":"null","originalKeyword":"null"},{"id":"fefe8325-0d4f-4666-b382-3b7771bcf71c","keyword":"null","originalKeyword":"null"}],"language":"zh","publisherId":"0412-1961_1999_3_2","title":"复杂体积成形<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>仿真的关键技术","volume":"35","year":"1999"},{"abstractinfo":"用<span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>预测了二步<span style=\"color:red\">法</span><span style=\"color:red\">三维</span>编织复合材料的<span style=\"color:red\">有</span>效弹性性能.在二步法方型<span style=\"color:red\">三维</span>编织复合材料细观结构大单胞模型的基础上,考虑复合材料中纤维束的连续性及其空间的交织效应,用离散杆单元构成的桁架结构<span style=\"color:red\">有限元</span>模型等效代替复合材料承受单轴拉伸载荷时的受力响应.同时,以轴向拉伸性能测试试样为对象,应用<span style=\"color:red\">有限元</span>软件包MARC的结构静力分析部分计算了轴向弹性模量和泊松比,数值计算结果与实验结果一致性较好.参数分析结果表明,轴向弹性模量随轴纱与编织纱线密度之比和节距长度的增加呈增加趋势.","authors":[{"authorName":"孙颖","id":"5bcb1ed7-899a-46a8-8894-38ad158d83b8","originalAuthorName":"孙颖"},{"authorName":"李嘉禄","id":"9b02c2ec-dc68-4bea-8ca6-c957646f4d3e","originalAuthorName":"李嘉禄"},{"authorName":"亢一澜","id":"95ddcddf-e1cf-447f-9a46-3d5c7c834e70","originalAuthorName":"亢一澜"}],"doi":"10.3321/j.issn:1000-3851.2005.01.020","fpage":"108","id":"d9cc1f93-d876-4ef4-8cb8-447fce7eb373","issue":"1","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"f4e00cb2-77c3-4697-9992-2f50f29c13b9","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"9aeed122-f397-44db-8150-38d632afc13e","keyword":"二步<span style=\"color:red\">法</span><span style=\"color:red\">三维</span>编织","originalKeyword":"二步法三维编织"},{"id":"f28afc61-39ed-4ff9-83ae-df18130d6f95","keyword":"大单胞","originalKeyword":"大单胞"},{"id":"07866713-b00a-4008-8ca5-ad8e0422c6e6","keyword":"<span style=\"color:red\">有限元</span>软件包MARC","originalKeyword":"有限元软件包MARC"},{"id":"681b7a14-4214-4fb1-b654-13c7271e7758","keyword":"弹性性能","originalKeyword":"弹性性能"}],"language":"zh","publisherId":"fhclxb200501020","title":"二步<span style=\"color:red\">法</span><span style=\"color:red\">三维</span>编织复合材料弹性性能的<span style=\"color:red\">有限元</span><span style=\"color:red\">法</span>预报","volume":"22","year":"2005"},{"abstractinfo":"随着高旁路涡扇发动机在军用、民用飞机上的应用,采用超塑成形/扩散连接(SPF/DB)技术制造大尺寸钛合金宽弦风扇叶片已经成为涡扇发动机的一项关键制造技术.钛合金空心风扇叶片的成形过程包括3个阶段:扭转成形、热成形、超塑成形.在本研究中,为了分析空心风扇叶片的成形过程,建立了一个<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>模型,钛合金的变形行为符合Backofen方程.通过<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>模型,分析扭转速率、热成形模具下落速度、超塑成形目标应变速率、板材与模具之间的摩擦系数、芯板和面板的厚度比等参数对成形力的影响规律.研究表明,随着扭转速度、热成形模具的下落速度、目标应变速率、板材厚度比的提高,成形力将提高,而摩擦系数对成形力的影响很小.","authors":[{"authorName":"赵冰","id":"a18d8c17-d75c-4f30-b85e-b5755baaadac","originalAuthorName":"赵冰"},{"authorName":"李志强","id":"79170c49-08d9-4801-9aa2-f80c478de2d0","originalAuthorName":"李志强"},{"authorName":"侯红亮","id":"17cebdfe-c045-4bc3-9bd2-0b4d4d1ba370","originalAuthorName":"侯红亮"},{"authorName":"廖金华","id":"73f8d8ef-9fb7-4ff0-9519-94560dff972c","originalAuthorName":"廖金华"},{"authorName":"白秉哲","id":"96b512f5-a527-45d4-a67a-7f2b0e124dcd","originalAuthorName":"白秉哲"}],"doi":"","fpage":"963","id":"335955f1-e28e-40bc-9d0e-239920674f26","issue":"6","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"d6c0fab9-2f6f-4421-a404-13d918a49c7c","keyword":"钛合金","originalKeyword":"钛合金"},{"id":"5c59fa33-c983-43f4-95c0-8862d9899579","keyword":"空心风扇叶片","originalKeyword":"空心风扇叶片"},{"id":"c9a78f09-11ee-4cd6-859b-d4b2314d9dec","keyword":"<span style=\"color:red\">有限元</span>方法","originalKeyword":"有限元方法"},{"id":"e7b5d375-bd4e-4c48-90b1-3809d8f98908","keyword":"超塑成形","originalKeyword":"超塑成形"}],"language":"zh","publisherId":"xyjsclygc201006006","title":"钛合金空心风扇叶片成形<span style=\"color:red\">三维</span><span style=\"color:red\">有限元</span>分析","volume":"39","year":"2010"}],"totalpage":13733,"totalrecord":137330}