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Finite-boundary-element of shells and shell-like structures

Finite-boundary-element of shells and shell-like structures
Finite-boundary-element of shells and shell-like structures

Finite Elements in Analysis and Design 38(2002)765–782

https://www.doczj.com/doc/895933886.html,/locate/?nel

Finite-and boundary-element linear and nonlinear analyses of shells and shell-like structures A bibliography (1999–2001)

Jaroslav Mackerle ?

Link o ping Institute o Technology,Department o Mechanical Engineering,S-58183Link o ping,Sweden Abstract

This bibliography contains references to papers,conference proceedings and theses =dissertations dealing with the linear and nonlinear ?nite element and boundary element analyses of shells that were published in 1999–2001.?2002Elsevier Science B.V.All rights reserved.

1.Introduction

This bibliography provides a list of references on the linear and nonlinear ?nite element and boundary element analyses of shells.General solution techniques as well as problem-speci?c applications are included.The entries have been retrieved from the author’s database,MAKE-BASE.They are grouped into two main sections:

?Finite elements ?Boundary elements

The references have been published in scienti?c journals,conference proceedings,and theses =dissertations between 1999and 2001(the ?rst ?ve months of 2001)[1–310,382–394].Some previously published papers,reviews and theses on the analysis of shells by means of ?nite element and boundary element methods,in general,can be found in entries [311–381]of the Finite element methods section and in [395–398]of the Boundary element methods section of this bibliography,respectively.The references are sorted in each category alphabetically according to the ?rst author’s name.

?

Tel.:+46-13-28-1111;fax:+46-13-28-2717.E-mail address:jarma@ikp.liu.se (J.Mackerle).

0168-874X/02/$-see front matter ?2002Elsevier Science B.V.All rights reserved.PII:S 0168-874X(01)00103-2

766J.Mackerle/Finite Elements in Analysis and Design38(2002)765–782

The main topics include:2D and3D,linear and nonlinear,static and dynamic analyses of shells;material and geometrical nonlinear analyses;symmetric and asymmetric vibrations; transient dynamic analyses;seismic analyses;impact problems;thermal and thermomechanical analyses;static and dynamic stability problems;buckling and post-buckling;collapse;fracture mechanics problems;crack analyses;delamination problems;creep-damage;damage;ultimate strength analyses;contact problems;contact with friction;shells on elastic foundations;consti-tutive modelling;material processing;metal forming;adaptive modelling;stochastic problems; integration schemes;stress recovery and error estimation.

Element library:triangular,rectangular and quadrilateral shells;low-order and high-order shell elements;shallow and deep shells; at and curved shell elements;thick and thin elements; degenerated elements;conforming and non-conforming elements;laminated elements;layered elements;axisymmetric shells;sandwich shells;shells with cutouts;isoparametric shell elements; locking-free elements;element tests.Element formulations:displacement,mixed and hybrid methods;hybrid-mixed methods;hybrid and enhanced elements;assumed strain elements. Geometry:elliptic,parabolic and hyperbolic shells;circular cylindrical shells;conical shells; spherical shells;toroidal shells;grid shells;general shells;applied shell-like structures-silos, pressure vessels and piping;imperfect shell structures.

Material=material properties:metals;polymers;composites;concrete;isotropic,orthotropic and anisotropic;linear elastic;hyperelastic;rigid-plastic;elasto-plastic;viscoelastic;viscoplastic; elastoviscoplastic;thermoviscoelastic;incompressible.

Not included in this bibliography:shell?eld problems; uid-structure interaction;optimisation problems;smart shells;shell mesh generation.

References

Finite element methods:papers in journals=conference proceedings and theses

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Boundary element methods:papers in journals=conference proceedings and theses

[382]P.T.Chen,et al.,A symmetric formulation of coupled BEM=FEM in solving responses of submerged elastic structures for large degrees of freedom,J.Sound Vib.233(3)(2000)407–422.

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[387]Y.Liu,S.Chen,Sound and shell-like structure interactions by the uni?ed boundary element method, Proceedings of the Fifth US National Congress of Computational Mechanics,Boulder,CO,1999,p.144. [388]Y.Liu,H.Fan,On the conventional boundary integral equation formulation for piezoelectric solids with defects or of thin shapes,Eng.Anal.Boundary Elements25(2)(2001)77–91.

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从实践的角度探讨在日语教学中多媒体课件的应用

从实践的角度探讨在日语教学中多媒体课件的应用 在今天中国的许多大学,为适应现代化,信息化的要求,建立了设备完善的适应多媒体教学的教室。许多学科的研究者及现场教员也积极致力于多媒体软件的开发和利用。在大学日语专业的教学工作中,教科书、磁带、粉笔为主流的传统教学方式差不多悄然向先进的教学手段而进展。 一、多媒体课件和精品课程的进展现状 然而,目前在专业日语教学中能够利用的教学软件并不多见。比如在中国大学日语的专业、第二外語用教科书常见的有《新编日语》(上海外语教育出版社)、《中日交流标准日本語》(初级、中级)(人民教育出版社)、《新编基础日语(初級、高級)》(上海译文出版社)、《大学日本语》(四川大学出版社)、《初级日语》《中级日语》(北京大学出版社)、《新世纪大学日语》(外语教学与研究出版社)、《综合日语》(北京大学出版社)、《新编日语教程》(华东理工大学出版社)《新编初级(中级)日本语》(吉林教育出版社)、《新大学日本语》(大连理工大学出版社)、《新大学日语》(高等教育出版社)、《现代日本语》(上海外语教育出版社)、《基础日语》(复旦大学出版社)等等。配套教材以录音磁带、教学参考、习题集为主。只有《中日交流標準日本語(初級上)》、《初級日语》、《新编日语教程》等少数教科书配备了多媒体DVD视听教材。 然而这些试听教材,有的内容为日语普及读物,并不适合专业外语课堂教学。比如《新版中日交流标准日本语(初级上)》,有的尽管DVD视听教材中有丰富的动画画面和语音练习。然而,课堂操作则花费时刻长,不利于教师重点指导,更加适合学生的课余练习。比如北京大学的《初级日语》等。在这种情形下,许多大学的日语专业致力于教材的自主开发。 其中,有些大学的还推出精品课程,取得了专门大成绩。比如天津外国语学院的《新编日语》多媒体精品课程为2007年被评为“国家级精品课”。目前已被南开大学外国语学院、成都理工大学日语系等全国40余所大学推广使用。

最新现在完成时讲解和练习(有答案)

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新视野大学英语全部课文原文

Unit1 Americans believe no one stands still. If you are not moving ahead, you are falling behind. This attitude results in a nation of people committed to researching, experimenting and exploring. Time is one of the two elements that Americans save carefully, the other being labor. "We are slaves to nothing but the clock,” it has been said. Time is treated as if it were something almost real. We budget it, save it, waste it, steal it, kill it, cut it, account for it; we also charge for it. It is a precious resource. Many people have a rather acute sense of the shortness of each lifetime. Once the sands have run out of a person’s hourglass, they cannot be replaced. We want every minute to count. A foreigner’s first impression of the U.S. is li kely to be that everyone is in a rush -- often under pressure. City people always appear to be hurrying to get where they are going, restlessly seeking attention in a store, or elbowing others as they try to complete their shopping. Racing through daytime meals is part of the pace

英语 花费 四种用法的区别

spend的主语必须是人,常用于以下结构: (1)sb. spend time /money on sth. 在……上花费时间(金钱)。 (2) sb.spend time / money (in) doing sth.花费时间(金钱)做某事。 例:I spent fifty yuan on the coat. = I spent fifty yuan (in) buying the coat. 我花50元买了这件大衣。 He spent three days on the work. = He spend three days (in) doing the work. 我干这项工作用了3天。 (3). spend money for sth. 花钱买 例如: His money was spent for books. 他的钱用来买书了。 cost的主语是物或某种活动,还可以表示"值",常见用法如下: (1)sth. costs (sb.) +金钱,某物花了(某人)多少钱。 例:A new computer costs a lot of money. 买一台新电脑要花一大笔钱。 (2) (doing) sth. costs (sb.) +时间,某物(做某事)花了(某人)多少时间。 例:Remembering these new words cost him a lot of time. 他花了大量时间才记住了这些单词。 注意:cost的过去式及过去分词都是cost,并且不能用于被动句。 take后面常跟双宾语,常见用法有以下几种: (1) It takes sb. +时间+to do sth. 做某事花了某人多少时间。 例:It took them three years to build this road. 他们用了三年时间修完了这条路。 (2)doing sth. takes sb. +时间,做某事花了某人多少时间。 例:Repairing this car took him the whole afternoon. 他花了一下午修车。 pay的基本用法是: (1) pay (sb.) money for sth. 付钱(给某人)买……。 例:I have to pay them 20 pounds for this room each month. 我每个月要付20英磅的房租。 (2)pay for sth. 付……的钱。 例:I have to pay for the book lost. 我不得不赔丢失的书款。 (3)pay for sb.替某人付钱。 例:Don‘t worry!I'll pay for you. 别担心,我会给你付钱的。 (4)pay sb.付钱给某人。 例: They pay us every month.他们每月给我们报酬。 (5)pay money back 还钱。(6)pay off one's money还清钱。 例:May I borrow 12 yuan from you? I'll pay it back next week. 你能借给我12块钱吗?下周还你。

现在完成时的用法解析

Lead in 一般过去时导入:一般过去时的概念 一般过去时表示过去某个时间发生的动作或存在的状态。 I lost my pen.(过去时) I have lost my pen.(现在完成时) 过去时一般表示过去所发生的动作或存在的状态。“我把笔丢了”,说话人只是想告诉对方在过去的某一个时间里他的笔丢了,仅此而已。(仅仅是在陈诉过去的一个事实,与现在没有关系) New lesson 一.现在完成时的构成: 助动词have/has(not) +动词过去分词 She has turned on the lights. 肯定式:have/ has+过去分词 否定式:haven’t/hasn’t+过去分词 疑问式:把have/has 提到主语前面 肯定回答:Yes,…have/has 否定回答:No,…..haven’t/hasn’t 二.用法 1.表示过去发生的动作对现在造成的影响或结果. 例如:She has gone. 她走了. She went in the past.(She is not here

now.) I have just cleaned my hands. 我刚洗过手。(“洗手”是发生在过去的动作,对现在造成的结果是“手干净了”) I have closed the door. (The door is close now.) She has turned on the lights. (The lights are on now.) He has written his name on the blackboard. (The name is on the blackboard now.) Mother has cooked the dinner. (We can have dinner now.) You have seen the film. (You know what the film is about.) We have cleaned the classroom. (The classroom is clean now.) 2. 表示动作发生在过去,并且一直延续到现在,甚至还可能继续延续下去。这时常和since所引导的短语或从句或for引导的短语连用(for有时可以省去)。以及so far, by now, these days, in the last/past … years/days…等连用。 I have lived here for over ten years. (表示他现在还在这里居住,并且还有可能继续住下去)比较:I lived here ten years ago.(仅仅说明了他十年前在这里记住过的事实,不代表现在他还住在这里) He has studied here since 2006. 都用How long 提问,例: We have learned English for three years. We have learned English since three years ago.

新视野大学英语第三版第二册课文语法讲解 Unit4

新视野三版读写B2U4Text A College sweethearts 1I smile at my two lovely daughters and they seem so much more mature than we,their parents,when we were college sweethearts.Linda,who's21,had a boyfriend in her freshman year she thought she would marry,but they're not together anymore.Melissa,who's19,hasn't had a steady boyfriend yet.My daughters wonder when they will meet"The One",their great love.They think their father and I had a classic fairy-tale romance heading for marriage from the outset.Perhaps,they're right but it didn't seem so at the time.In a way, love just happens when you least expect it.Who would have thought that Butch and I would end up getting married to each other?He became my boyfriend because of my shallow agenda:I wanted a cute boyfriend! 2We met through my college roommate at the university cafeteria.That fateful night,I was merely curious,but for him I think it was love at first sight."You have beautiful eyes",he said as he gazed at my face.He kept staring at me all night long.I really wasn't that interested for two reasons.First,he looked like he was a really wild boy,maybe even dangerous.Second,although he was very cute,he seemed a little weird. 3Riding on his bicycle,he'd ride past my dorm as if"by accident"and pretend to be surprised to see me.I liked the attention but was cautious about his wild,dynamic personality.He had a charming way with words which would charm any girl.Fear came over me when I started to fall in love.His exciting"bad boy image"was just too tempting to resist.What was it that attracted me?I always had an excellent reputation.My concentration was solely on my studies to get superior grades.But for what?College is supposed to be a time of great learning and also some fun.I had nearly achieved a great education,and graduation was just one semester away.But I hadn't had any fun;my life was stale with no component of fun!I needed a boyfriend.Not just any boyfriend.He had to be cute.My goal that semester became: Be ambitious and grab the cutest boyfriend I can find. 4I worried what he'd think of me.True,we lived in a time when a dramatic shift in sexual attitudes was taking place,but I was a traditional girl who wasn't ready for the new ways that seemed common on campus.Butch looked superb!I was not immune to his personality,but I was scared.The night when he announced to the world that I was his girlfriend,I went along

四种花费和四种提供的用法

英语中“花费”的四种用法王朝红的工作室英语花费四种用法 spend的主语通常是人,往往用于以下句型: 1. (sb) spend some money/some time on sth。 2. (sb)spend some money/some time(in)doing sth。 例如: I spent fifty yuan on the coat。 = I spent fifty yuan (in) buying the coat. 我花50元买了这件大衣。 He spent three days on the work. = He spend three days (in) doing the work. 我干这项工作用了3天。 3.spend money for sth. 花钱买……。 例如:His money was spent for books. 他的钱用来买书了。 take常用于“占用、花费”时间,后面常跟双宾语,其主语通常为形式主语“it”或物。句式是: 1. It takes/took sb.some time to do sth 例如:It will take me two days to do the work. 这项工作花了2天时间。 2. Doing sth./Sth.takes sb.some time. 例如: The work will take me two days。这项工作花了2天时间。

Repairing this car took him the whole afternoon. 他花了一下午修车。 It took me three years to draw the beautiful horses。 =Drawing the beautiful horses took me three years。 画这些漂亮的马花费了我3年时间。 pay为“付款、赔偿”之意,主语通常是人,句型 1. sb. pays some money for sth 例如: I paid fifty yuan for the coat。我花50元买了这件大衣。 2. pay (sb。) money for sth. 付钱(给某人)买……。 例如:I have to pay them 20 pounds for this room each month. 我每个月要付20英磅的房租。 3. pay money back 还钱。 例如:May I borrow 12 yuan from you? I'll pay it back next week. 你能借给我12块钱吗?下周还你。 4. pay off one's money 还清钱。 cost的主语是物或某种活动,还可以表示“值”。句型 1. sth. costs (sb。) +money, 某物花了(某人)多少钱。

(英语语法)四种完成时态

LESSON EIGHT 四种完成时态 主系表 现在:You are rich. 过去:You were rich. 将来:You will be rich. 过去将来:You would be rich. There be 现在:There is a book on the desk . 过去:There was a book on the desk. 将来:There will be a book on the desk. 过去将来:There would be a book on the desk.主谓宾状 现在:You study English in the school. 过去时:You studied English in the school. 将来时: You will study English in the school. You are going to study English. You are to study English. are about to study English would study English in the scho You were going to study English. You were to study English. You were about to study English. You are studying English. You were studying English. You will be studying English. You woud be studying English.

新视野大学英语读写教程第一册课文翻译及课后答案

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“四个花费”spend,cost,take, pay讲解及对应中考练习

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