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PSO is a population-based optimization algorithm, which mimics the social behavior of animals in a flock. It makes use of individual and group memory to update each particle position allowing global and local search optimization. The objective function considered was the total weight of the structure subjected to stresses, displacements and forces constraints. The effects of the parameters were investigated as well and such combination of tuning parameters promote a better global search behavior avoiding premature convergence while rapidly converging to the optimal solution. Results showed the effectiveness of the proposed method by comparing with ANSYS Design Optimization Tool (zero-order method). The PSO with the tuning parameters makes it an ideal method for offshore wind turbines foundations optimization tasks.(2) A reliability analysis method for pile foundation bearing axial loads based PSOThe performance function of pile foundation's axially bearing capacity sometimes is nonlinear and complex, on the basis of geometric meaning of structural reliability index, an optimum model with PSO for structural reliability analysis under arbitrary random variables was established, The PSO algorithm is very efficient to solve global optimization problemsIts use in structural reliability field presents not only the advantage of its facility of implementation, but also the possibility to obtain the design point and the failure probability with a good accuracy. In addition, PSO is a zero order algorithm, for no derivative is necessary for its implementation.

本文的研究针对桩式海上风机基础结构的特点，在国内外有关研究成果的基础上对海上风机基础结构优化设计理论和可靠度方法一些相关问题进行了较为深入的研究，具体做了以下几个方面的工作：(1)基于粒子群优化的桩式海上风机基础确定性优化设计方法桩式海上风机基础的优化设计是一个复杂的、非线性约束的优化问题，针对传统的基于梯度信息的优化方法在处理非线性问题中易陷入局部最优解的问题，本文将一种耦合惩罚函数的PSO算法引入到海上风机基础结构概念设计中，PSO算法是从群体动物聚集觅食这一活动中受到启发而发展的，该算法利用个体和群体的信息共享不断改进自身的位置从而进行局部和全局最优搜索，本文中以桩和三脚架连接段直径及壁厚为设计变量，以基础总重量作为优化的目标函数，在给定的约束条件下建立了三脚架基础优化数学模型，另外本文还研究了PSO参数变化对结果的影响，协调的参数组合可以避免陷入早熟收敛而能够快速的获得全局的最优解，通过与ANSYS优化模块的计算结果比较验证了该方法的有效性，本方法为海上风机基础的确定性设计提供了一条有效的途径。

Combining the probabilistic jumping search of simulated annealing with the geometry search in convex polyhedron of simplex method, this paper proposes a class of effective search strategies for parameter estimation of nonlinear systems.

摘要结合模拟退火的随机概率突跳性搜索和单纯形法的凸多面体几何搜索，提出了非线性系统参数估计的一类有效搜索策略。

Another student had very definite ideas about search engines and their attributes. He explained that Yahoo!, for example, is for entertainment and Magellan or InfoSeek arefor more scientific material. When searching, he mentioned a couple of times that he could choose another engine, but in reality he always used the search button without selecting a search engine.

另外一个学生对於搜寻引擎有非常清楚的主意，他解释关於雅虎，举例来说：它可以提供足够的资料在Magellan or InfoSeek，当搜寻的时候，他提及很多的时间，他能够选择另外的引擎，但是实际上他总是使用使用搜寻的按钮而没有使用选择一个搜寻引擎。

Search engine collects IP of site of the influence that put delay to grow: More and more caller pass the site with the long way station in searching engine to be visited, small head of a station jumps into to blame a group in now, already from before do those who stand to now to make a station to search engine for caller, everyday, each size stationmaster forum discuss most the search is updated and optimize a topic namely.

搜索引擎收录放缓影响站点IP增长：越来越多的访客通过搜索引擎访问到中小站长的站点，现在中小站长跳进了一个怪圈，已经从原来的为访客做站到现在的为搜索引擎做站，天天，各个大小站长论坛讨论最多的就是搜索更新和优化话题。

As a result of the search of great majority index is propped up and do not have capture, analyse the ability of Js statement, accordingly, link code through what Js statement outputs, search engine cannot capture arrives, in the meantime, search engine and cannot well the content of capture I, because this uses I to include the friendship that links a page to link a form,also be cannot be searched what engine capture arrives, these two kinds of links are invalid link, a simple judgement method is, examine the other side to link the source file of the page, if do not have the page address that can find you, that should be to use above the link that 2 kinds of means output, here also has a kind of exceptional case, use Js statement to output a link directly on the page, for example Write is read all the way form, also be Js statement, but the page can be found, such link, meeting capture reachs engine of the theoretic all alone that tell search, but can be equal it at common link, still be an unknown.

由于绝大多数的搜索引擎并没有抓取，分析js语句的能力，因此，通过js语句输出的链接代码，搜索引擎无法抓取到，同时，搜索引擎并不能很好地抓取i的内容，因此使用i包含链接页面的友情链接形式也是无法被搜索引擎抓取到的，这两种链接都是无效链接，一个简单的判断方法是，查看对方链接页面的源文件，如果没有能找到你的页面地址，那就应该是用上面2种方式输出的链接了，这里也有一种例外的情况，在页面上直接使用js语句输出链接，例如 write 一路读这样的形式，也是js语句，但是页面可以找到，这样的链接，理论上讲搜索引擎是会抓取到的，但是会不会把它等同于普通的链接，还是个未知数。

Over 95,000 primary entries, with fully developed translations * Thousands of additional expressions and examples * Automatic recognition of inflected forms * Slang, technical language, indications of usage, and more * Hundreds of geographic entries * Verb conjugation for all tenses * IPA (International Phonetic Alphabet) pronunciations for most entries * Number-to-text converter * Easy tap-on-word feature to extend your search * Search history * Approximate search in case you misspell or mistype!

超过9.50万小学项目，充分开发与翻译*数以千计的额外的表情和实例*自动识别屈折形式（ conjugations ，复数）*俚语，技术的语言，使用的迹象，更*数以百计的地理条目*动词的所有共轭态*投资促进机构发音的大部分作品*数到文字转换*简易自来水上字功能，以延长您的搜索*搜索历史*近似搜寻

Over 95,000 primary entries, with fully developed translations * Thousands of additional expressions and examples * Automatic recognition of inflected forms * Slang, technical language, indications of usage, and more * Hundreds of geographic entries * Verb conjugation for all tenses * IPA (International Phonetic Alphabet) pronunciations for most entries * Number-to-text converter * Easy tap-on-word feature to extend your search * Search history * Approximate search in case you misspell or mistype!

超过9.50万小学项目，充分开发与翻译*数以千计的其他表现形式和实例*自动识别屈折形式（ conjugations ，复数）*俚语，技术的语言，使用的迹象，更*数以百计的地理条目*动词的所有共轭态*投资促进机构发音的大部分作品*数到文字转换*简易自来水上字功能，以延长您的搜索*搜索历史*近似搜寻

Over 84,500 primary entries, with fully developed translations * Thousands of additional expressions and examples * Automatic recognition of inflected forms * Slang, technical language, indications of usage, and more * Hundreds of geographic entries * Verb conjugation for all tenses * IPA (International Phonetic Alphabet) pronunciations for most entries * Number-to-text converter * Easy tap-on-word feature to extend your search * Search history * Approximate search in case you misspell or mistype!

超过84500首要项目，充分开发与翻译*数以千计的额外的表情和实例*自动识别屈折形式（ conjugations ，复数）*俚语，技术的语言，使用的迹象，更*数以百计的地理条目共轭*动词的所有态*投资促进机构发音的大部分作品*数到文字转换*简易自来水上字功能，以延长您的搜索*搜索历史*近似搜寻

Over 84,500 primary entries, with fully developed translations * Thousands of additional expressions and examples * Automatic recognition of inflected forms * Slang, technical language, indications of usage, and more * Hundreds of geographic entries * Verb conjugation for all tenses * IPA (International Phonetic Alphabet) pronunciations for most entries * Number-to-text converter * Easy tap-on-word feature to extend your search * Search history * Approximate search in case you misspell or mistype!

超过84500首要项目，充分开发与翻译*数以千计的额外的表情和实例*自动识别屈折形式（ conjugations ，复数）*俚语，技术的语言，使用的迹象，更*数以百计的地理条目*动词的所有共轭态*投资促进机构发音的大部分作品*数到文字转换*简易自来水上字功能，以延长您的搜索*搜索历史*近似搜寻

That is, the search engine does not give well-exhibited to be a Deputy of no particular spelt out in this Web site, a set time for two months and right left time when road, the time, the search engine will often invited to come to your site, but, you're search engine preferablly real, will become an absolutely no right to stand in line.

便是搜寻引挚对于刚刚树立不暂的网站无特别的偏偏佳，一个界订的时光为两个月右左的时光，也便是道，那些光阴，搜索引挚会常常光临您的网站，而且，你正在搜索引挚的排实外将取得一个绝对没有对的排队实。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。