法开采区域选取试验区,阐述崩落法回采过程巷道顶板危险区域确定的解构法和数值模拟法的具体内涵,对两种方法计算结果及差异性进行分析比较.结果表明:解构法能够准确解算危险结构体可能失稳的形式和具体赋存位置,但其从矢量角度确立的危险结构体数量、危险区域分布范围比真实情况略小,巷道稳定性结果略高;数值模拟法考虑卸荷和爆破作用影响,对回采过程顶板下沉、结构体失稳状态分析较准确,但采用虚拟裂隙面控制结构面发育范围,导致确立的危险结构体数目过多,巷道稳定性比工程实际略低;工程应用中应以解构法为主、数值模拟法为辅,综合确定巷道顶板危险区域.","authors":[{"authorName":"陈庆发","id":"13f8e053-a4eb-412c-adaf-a7cfdd93cb8a","originalAuthorName":"陈庆发"},{"authorName":"牛文静","id":"d4e39f85-6679-4592-bcce-a3f398182b93","originalAuthorName":"牛文静"},{"authorName":"郑文师","id":"407bc8d2-5ccc-4cdb-8887-1a877fe0ee3d","originalAuthorName":"郑文师"},{"authorName":"刘俊广","id":"cfa54b71-49c5-4904-b061-623e770f42a1","originalAuthorName":"刘俊广"},{"authorName":"刘严中","id":"541d9acd-c35a-4dd9-830a-c12be6044329","originalAuthorName":"刘严中"},{"authorName":"尹庭昌","id":"5019f553-fd9d-4c34-81d2-2a0bab6ab02b","originalAuthorName":"尹庭昌"}],"doi":"10.19476/j.ysxb.1004.0609.2017.05.018","fpage":"1006","id":"b6be1388-4fa2-4883-bd37-d0d6ac1e3ea2","issue":"5","journal":{"abbrevTitle":"ZGYSJSXB","coverImgSrc":"journal/img/cover/ZGYSJSXB.jpg","id":"88","issnPpub":"1004-0609","publisherId":"ZGYSJSXB","title":"中国有色金属学报"},"keywords":[{"id":"818de62d-b7da-452d-8c57-a1d1a382e6ec","keyword":"巷道顶板","originalKeyword":"巷道顶板"},{"id":"6c992612-7406-45d2-b6fe-ee96ddb6ba9e","keyword":"危险区域","originalKeyword":"危险区域"},{"id":"cdac4523-eb7b-4d06-a4b6-8c8716db07b7","keyword":"解构法","originalKeyword":"解构法"},{"id":"64d4a741-e6c4-4b35-813b-36e92e95ac95","keyword":"数值模拟法","originalKeyword":"数值模拟法"},{"id":"6fc898aa-8528-4de4-82e6-4b12f130a98d","keyword":"崩落法开采","originalKeyword":"崩落法开采"}],"language":"zh","publisherId":"zgysjsxb201705018","title":"崩落法回采巷道顶板危险区域确定的 解构法和数值模拟法","volume":"27","year":"2017"},{"abstractinfo":"对国内外在RTM成型工艺中的渗透率预测方法进行了文献回顾.系统论述了理论分析法和数值模拟法,评析了各方法中模型存在的问题,比较了模型间的不足.理论分析法中详细介绍了毛细管模型和规则排列柱阵模型在单向纤维渗透率预测中的应用.数值模拟法中重点介绍了均匀化法、Boltzman网格法和单胞法对单向纤维和平面机织纤维渗透率的预测.回顾了国内对渗透率预测的研究,其方法主要以实验分析为基础,分析了纤维结构与渗透率的关系,讨论了渗透率特性对工艺过程的影响规律.提出了目前在渗透率预测研究中仍然存在的一些不足,指出了该领域将来的研究方向.","authors":[{"authorName":"李嘉禄","id":"f7b03980-2084-4492-bda2-fd683e91a16c","originalAuthorName":"李嘉禄"},{"authorName":"吴晓青","id":"41116323-7a85-4947-ae09-805b5e4c5d1a","originalAuthorName":"吴晓青"},{"authorName":"冯驰","id":"39af9f93-c424-4cab-92f5-54a9733c6255","originalAuthorName":"冯驰"}],"doi":"10.3321/j.issn:1000-3851.2006.06.001","fpage":"1","id":"539d9fb8-96f8-4dfd-867b-80c0c2692a39","issue":"6","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":"f96a499c-2ced-4691-ad45-84d4ed7bf966","keyword":"渗透率","originalKeyword":"渗透率"},{"id":"5dbe8e78-4b1c-4d24-aef7-19c1e0031173","keyword":"预测","originalKeyword":"预测"},{"id":"435d153c-36ba-4e0a-97de-551bdbb505e6","keyword":"RTM","originalKeyword":"RTM"},{"id":"7c56943b-0ba8-4dd1-bccd-564e7e6bd659","keyword":"理论分析法","originalKeyword":"理论分析法"},{"id":"1ee2f962-91f9-4f8a-be98-4c75cc390efb","keyword":"数值模拟法","originalKeyword":"数值模拟法"}],"language":"zh","publisherId":"fhclxb200606001","title":"RTM中纤维渗透率预测的研究进展","volume":"23","year":"2006"},{"abstractinfo":"传统网格方法在模拟液体射流流动中的断裂和破碎等液体大变形过程时存在困难,本文引入无网格移动粒子半隐式方法,对圆截面液体射流的复杂非定常流动过程进行数值模拟.基于进口速度边界条件建立了连续进口流动模型,对三类典型的射流流动,即壁面射流、竖直向上自由射流和自由射流碰撞等进行了建模和数值模拟,并对特征流动现象进行定性分析,验证了移动粒子半隐式法对上述射流流动数值计算的正确性,为相关研究提供了一种新的数值方法.","authors":[{"authorName":"孙中国","id":"7bab44c7-d3cf-4ea6-8b14-a9ae3da07904","originalAuthorName":"孙中国"},{"authorName":"兰艾青","id":"332678c1-d3ce-4424-9daa-8cdcad558069","originalAuthorName":"兰艾青"},{"authorName":"席光","id":"d3be439b-ec3f-4aa5-ba2d-89f7a4a410b0","originalAuthorName":"席光"}],"doi":"","fpage":"490","id":"30efb51d-27be-4454-a8c0-24f05feff03a","issue":"3","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"2e22c881-b5d9-45f3-ab77-9e15021b12da","keyword":"射流","originalKeyword":"射流"},{"id":"30009604-cf1f-4ad2-ad76-43b545a74f16","keyword":"移动粒子半隐式法(MPS)","originalKeyword":"移动粒子半隐式法(MPS)"},{"id":"e23550b0-3266-497f-b598-57f1987c4f82","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gcrwlxb201403017","title":"基于MPS法的圆截面液体射流数值模拟","volume":"35","year":"2014"},{"abstractinfo":"采用变形有限元法对坩埚下降法晶体生长过程进行了瞬态数值模拟.对随下降距离生长位置、生长速度、界面位置处的法线方向温度梯度和凹度的变化进行了分析说明,将生长过程划分为三个阶段.结果表明在整个生长过程中,晶体生长条件一直处于变化之中,因而晶体的质量也在整块晶体中呈现一定的波动性.","authors":[{"authorName":"张海斌","id":"77397d0c-088e-4011-aaa0-21cb3dc22f69","originalAuthorName":"张海斌"},{"authorName":"陈文斌","id":"bef45d1a-108e-4eb4-91c7-e3208438f38a","originalAuthorName":"陈文斌"},{"authorName":"沈定中","id":"602bf871-9535-45b6-920b-1de92b5e9aa7","originalAuthorName":"沈定中"},{"authorName":"任国浩","id":"bf43aaf6-710e-4931-9834-c07b7c76f661","originalAuthorName":"任国浩"}],"doi":"10.3969/j.issn.1000-985X.2003.06.002","fpage":"546","id":"ac80544e-392c-4255-ad23-b109f0ebc45d","issue":"6","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"474be8ef-46f5-4b3e-b37c-51c62d4d99a4","keyword":"坩埚下降法","originalKeyword":"坩埚下降法"},{"id":"407f3b7e-0023-4b84-910d-483bc393d47f","keyword":"晶体生长","originalKeyword":"晶体生长"},{"id":"c5c193d4-9908-4680-8fce-b77e5f6167b8","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"4ee87fd5-cee0-42fd-9a5e-6639d495c1a2","keyword":"变形有限元法","originalKeyword":"变形有限元法"}],"language":"zh","publisherId":"rgjtxb98200306002","title":"Bridgman法晶体生长的瞬态数值模拟","volume":"32","year":"2003"},{"abstractinfo":"本文采用一种简化的多流体多相流模型及雷诺应力湍流模型建立了水力旋流器内液固多相湍流流动的数学描述,并对高炉污泥旋流分离进行了数值模拟,获得了水力旋流器内高炉污泥流动的流场及颗粒分级效率曲线,数值计算得到的颗粒分级效率曲线与实验结果吻合很好.数值结果还表明,底流管直径较小的旋流器分离高炉污泥的效果较好.","authors":[{"authorName":"耿丽萍","id":"04cc21e3-0efe-4c43-9866-7111ce6b0b21","originalAuthorName":"耿丽萍"},{"authorName":"杨茉","id":"ea65429e-09a4-4bd2-84ef-99fbe7785482","originalAuthorName":"杨茉"},{"authorName":"曹玮","id":"d24d7681-3309-4a4b-9503-524fa46bf985","originalAuthorName":"曹玮"},{"authorName":"邹宽","id":"b8923bb5-7854-42a6-bf34-655949d68be0","originalAuthorName":"邹宽"},{"authorName":"章立新","id":"3e903c2e-a88d-4133-b381-127452a4eed3","originalAuthorName":"章立新"},{"authorName":"胡利光","id":"b5109e5e-af08-42ee-9dfa-483e24dbdb65","originalAuthorName":"胡利光"},{"authorName":"林高平","id":"444a0f07-5baa-47da-aa4c-1db42caa3ac7","originalAuthorName":"林高平"},{"authorName":"林宗虎","id":"deeef321-3902-45da-9614-b639708228f2","originalAuthorName":"林宗虎"}],"doi":"","fpage":"628","id":"566fa256-232c-4a29-aee8-2f44858bcfe8","issue":"4","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"e3a48bc8-3805-44d3-887f-6c01ecc6d99e","keyword":"高炉污泥","originalKeyword":"高炉污泥"},{"id":"9d9e318e-4697-4d11-9c57-ef561bac8998","keyword":"水力旋流器","originalKeyword":"水力旋流器"},{"id":"b3f1145a-9f27-4f2e-9495-8cc52022c0a1","keyword":"多相流","originalKeyword":"多相流"}],"language":"zh","publisherId":"gcrwlxb200404027","title":"高炉污泥旋流法颗粒分离的数值模拟","volume":"25","year":"2004"},{"abstractinfo":"文采用基于四边形网格的分布式拉格朗日乘子/虚拟区域方法(DLM/FD method)对二维方槽内775个圆形颗粒在流体中的沉降过程进行了直接数值模拟.得到了颗粒流沉降过程中流体和颗粒速度和涡量分布、流场压力分布等流动细节,展示了颗粒在沉降过程中由于相间的相互作用以及颗粒间的作用,使得颗粒流在流场内形成大小不一的旋流区,颗粒回旋着沉降,同时颗粒的尾涡影响附近颗粒的运动.本文的结果说明分布式拉格朗日乘子/虚拟区域方法对模拟存在很多颗粒的悬浮体流动是可行的.","authors":[{"authorName":"陈丽华","id":"488c3d0d-6ecc-4e8a-9750-4415a56025b6","originalAuthorName":"陈丽华"},{"authorName":"邵雪明","id":"17f1d878-a0e6-45ec-935c-ba727a4be96d","originalAuthorName":"邵雪明"},{"authorName":"樊建人","id":"dba13311-94aa-48ee-94fd-d2220f73e7e6","originalAuthorName":"樊建人"}],"doi":"","fpage":"437","id":"7c736e9c-8f2c-445c-b99e-d030de05802a","issue":"3","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"b05d2cb4-822f-41bd-b63b-c4a2fcb1e770","keyword":"直接数值模拟","originalKeyword":"直接数值模拟"},{"id":"3ec479aa-2afc-4d00-a10e-198851c6cb06","keyword":"分布式拉格朗日乘子/虚拟区域方法","originalKeyword":"分布式拉格朗日乘子/虚拟区域方法"},{"id":"65f3f376-54af-496a-82ae-744531bdab29","keyword":"颗粒悬浮流","originalKeyword":"颗粒悬浮流"},{"id":"c105da56-7124-4e7a-a713-e7e58ef42f37","keyword":"沉降","originalKeyword":"沉降"}],"language":"zh","publisherId":"gcrwlxb200603024","title":"颗粒沉降运动的虚拟区域法直接数值模拟","volume":"27","year":"2006"},{"abstractinfo":"在VGF法生长GaAs晶体的过程中固液界面凹向晶体,很容易在坩埚圆锥面处生长多晶.本文采用专业晶体生长模拟软件CrysVUn对实验温场进行了计算机模拟并提出改进方案,把底加热器取消并在坩埚底部加入氦气冷源,底部结构类似于热交换法系统.这样改变热场结构,得到凸向熔体的固液界面.","authors":[{"authorName":"詹琳","id":"75303727-7217-4435-9638-2c77698fd330","originalAuthorName":"詹琳"},{"authorName":"苏小平","id":"ca9b27a6-cc0e-4803-b83b-81df869e4a85","originalAuthorName":"苏小平"},{"authorName":"张峰翊","id":"f05e5027-b74a-4827-b57c-328df06a4d8a","originalAuthorName":"张峰翊"},{"authorName":"李金权","id":"efdee72e-15e4-41b1-b526-399692f59f05","originalAuthorName":"李金权"}],"doi":"","fpage":"1056","id":"a543482b-57d6-4785-8f77-739eecaa5500","issue":"5","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"981178d8-e230-4b46-a252-4fc060523f6b","keyword":"数值模拟","originalKeyword":"数值模拟"},{"id":"a1c0ff7e-c471-46ec-a290-2d529fe7ee19","keyword":"VGF法","originalKeyword":"VGF法"},{"id":"9e605c9e-60c1-4646-b36c-9bf2a1321c5c","keyword":"固液界面","originalKeyword":"固液界面"},{"id":"3a44436a-770c-4a57-add5-b3211b7405d3","keyword":"GaAs","originalKeyword":"GaAs"}],"language":"zh","publisherId":"rgjtxb98200805003","title":"运用数值模拟技术改进VGF法生长GaAs晶体","volume":"37","year":"2008"},{"abstractinfo":"本文采用Block模型对一室内的热环境进行理论计算,在垂直方向上空间被划分为五个区域,建立风量与热平衡方程进行计算,由此可以得到由于自然对流作用而产生的沿壁面上升或下降的气流以及室内垂直温度分布.此外,本文还利用商用软件Airpak以实测壁面温度作为第一类边界条件对室内的热环境进行了数值模拟,分析了室内垂直方向的温度分布,并采用国外实验数据进行验证.结果表明,两种方法得到的结果与实验测试结果基本一致.","authors":[{"authorName":"李俊红","id":"c184ad1f-57e2-4c36-95b6-fa5a8d3d39d5","originalAuthorName":"李俊红"},{"authorName":"罗行","id":"42568337-8866-4529-8ca2-bf0b46180789","originalAuthorName":"罗行"},{"authorName":"黄晨","id":"c5d6a08f-5040-429d-b81f-8b1c14fd332a","originalAuthorName":"黄晨"},{"authorName":"宋岩","id":"dec57fde-66fc-418e-bf5a-7d741bcad9a3","originalAuthorName":"宋岩"}],"doi":"","fpage":"124","id":"e8dde640-7908-4d92-8e61-4e0d918b45b3","issue":"z2","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"60dc16b2-2022-4c0b-bc17-191950222551","keyword":"Block模型","originalKeyword":"Block模型"},{"id":"932a4022-1ebc-421d-b41a-7568d8d3d601","keyword":"垂直温度分布","originalKeyword":"垂直温度分布"},{"id":"745159ae-04d1-41bf-a50e-f7db7ba83cde","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gcrwlxb2007z2034","title":"Block模型与数值模拟法预测室内温度分布","volume":"28","year":"2007"},{"abstractinfo":"氮化镓晶体是继单晶硅之后的一种新型的半导体材料.本文利用有限体积法模拟了氨热法生长氮化镓晶体中流场的瞬态特性,研究了隔板开孔10%时流场结构、温度场、浓度场.发现对于隔板开孔率(10%)的情形,中心开孔及边缘间隙的平均速度表现为振荡的特性,中心开孔速度大多是正的,边缘开孔大多是负的.大的温度梯度发生在在高压釜壁面与液体的交界处与隔板周围.物质由多孔介质区向生长区输运.","authors":[{"authorName":"姜燕妮","id":"cf706065-ee16-4ca8-b655-dad1d2a35901","originalAuthorName":"姜燕妮"},{"authorName":"陈启生","id":"a7c29ba0-0d92-43d3-9169-01e5e695083b","originalAuthorName":"陈启生"}],"doi":"","fpage":"1392","id":"efd5d8c1-94aa-426b-a4c8-11c534e714c7","issue":"8","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"65fa3dfb-40ee-4557-ad9a-d993eb58a55e","keyword":"氨热法","originalKeyword":"氨热法"},{"id":"d5c44f72-339d-49d4-bd58-3a1107955d49","keyword":"氮化镓","originalKeyword":"氮化镓"},{"id":"89547c03-ba39-44ca-b69f-5e09a7a28402","keyword":"开孔率","originalKeyword":"开孔率"},{"id":"e480ede1-dea6-4665-bc15-b6e81c69c6fa","keyword":"流场","originalKeyword":"流场"},{"id":"b371cdfb-d028-49bd-b5c6-a0ae965ab6cb","keyword":"平均流速","originalKeyword":"平均流速"}],"language":"zh","publisherId":"gcrwlxb201008033","title":"氨热法生长氮化镓晶体的数值模拟","volume":"31","year":"2010"},{"abstractinfo":"使用基于速度面元法的势流数值模拟方法，以NREL Phase VI为例进行了叶片气动载荷和风轮近尾流场的数值模拟。将势流数值模拟、叶素动量理论和计算流体力学CFD方法的计算结果与实验数据进行了对比分析。结果表明使用速度面元法计算风轮绕流场具有较高的计算精度和求解效率，为大规模风力机群的流场计算和出力预报提供支撑。","authors":[{"authorName":"仇永兴","id":"34193d68-0d66-4bfe-9eb5-39203036cadf","originalAuthorName":"仇永兴"},{"authorName":"康顺","id":"1d62e314-8f5f-4221-94ba-e1ac4219a3d9","originalAuthorName":"康顺"}],"doi":"","fpage":"228","id":"201bb48d-b049-4432-886b-4db04ba780bf","issue":"2","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"900f2749-23df-40ae-ad78-c4a28b0478ca","keyword":"风力机","originalKeyword":"风力机"},{"id":"dcb24616-cbc3-4fa2-be48-4e88b3db9dcc","keyword":"速度面元法","originalKeyword":"速度面元法"},{"id":"72e4eb71-bdbe-4ba1-93b2-c28a4332c8be","keyword":"势流","originalKeyword":"势流"},{"id":"e3f8b58f-03b0-4418-974d-8e793aefd0f1","keyword":"数值模拟","originalKeyword":"数值模拟"}],"language":"zh","publisherId":"gcrwlxb201202012","title":"基于面元法的水平轴风力机数值模拟","volume":"33","year":"2012"}],"totalpage":5055,"totalrecord":50549}