In this paper, a coreless spoiler is proposed to be an alternative solution for moisture absorbed honeycomb core. The honeycomb core is removed from the spoiler and the coreless spoiler is analyzed by using finite element tool, Abaqus. The results show that the upper skin fails at region near to the actuator, Tsai-Hill is more than 1. Few options, such as ßrib, spar and Carbon Fiber Reinforced Plastic (CFRP) patch are introduced to support the weak region of coreless spoiler. The effectiveness of these notions is evaluated based on Tsai-Hill failure. The spar outperformed the other options. Only the spar is capable of giving sufficient support to the coreless spoiler and the structure does not fail in term of Tsai-Hill index.
Abstract. The 21th century has been a high informative era, and computer science and artificial intelligence have quickly developed and penetrated into all walks of life day by day. Same, database technology also has been widely applied, and varieties of database system also get deep exploration. However, faced with the overwhelming data, database system can only make simple operation, for example, management, and it cannot make the deeper level analysis. Based on this background, data mining technology comes into being to meet the demand of handling data in the current times. This paper will also start from the perspective of data mining technology and simply analyze the application in mathematical modeling. IntroductionThe 21th century has been a high informative era, and computer science and artificial intelligence have quickly developed and penetrated into all walks of life day by day. In the period of 12th Fiveyear plan, the information infrastructure of all domains are constantly imperfect and information construction level has increased steadily. Its achievement generally expresses in the following several aspects:(1) The significant status of information gets the high attention Material determines consciousness, and consciousness reversely influences material. Before the 12th five-year plan, most people think that the main reason that hindering the information development is the negative act of leaders and lacking finance support, etc. But during the period of 12th five-year plan, this condition has greater improvement. In the current stage, most leaders begin to pay more attention to the information construction, and they have realized that information is the significant method to comprehensively deepen reform and enhance the independent innovation ability, and all the related sectors also increase the input capital of information project.(2) Information technology has been gradually applied to all domains Abstract the information development experience all over the world, and our domestic information development experienced the four great development process of point, line, surface and solid. The application of all levels and all domains are gradually perfected, and information management is gradually strengthening and make the support layout of "all-round, multi-level and three dimensional".(3) Information has began to transform to strategy drive At the beginning of information construction, due to the defect of cognition, the development mode of information construction is mainly through the technology drive development. As time goes by, information has deeply integrated into all the domains and formed the new pattern that regards the information technology as its support and the coordination around all the walks of life and five principles as its target.However, there also are some giant challenge, many problems and shortcomings in the information construction: the deficiency of the whole structure design, the ignorance of software application and analysis of data and system, etc. Therefore, this pa...
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