發(fā)布時間：2019-01-28 23:17

【摘要】：本論文以Visual FoxPro 9.0為平臺,搭建了一個復合材料層合板力學性能模擬數(shù)據(jù)庫。此數(shù)據(jù)庫主要包含以下三大模塊:一、復合材料層合板力學性能模擬數(shù)據(jù)庫維護模塊。二、復合材料單層板力學信息查詢模塊。三、復合材料層合板強度模擬APDL代碼自動生成模塊。在數(shù)據(jù)庫的搭建過程中,首先建立了上述三大模塊的界面,再建立各模塊間的數(shù)據(jù)連接關(guān)系,構(gòu)成了本數(shù)據(jù)庫的總體框架。接著對各模塊界面進行了詳細的功能設(shè)計及界面設(shè)計,添加了各控件及新建了所需的新方法程序及屬性,并進行了相應的代碼編寫,最終構(gòu)成本數(shù)據(jù)庫。數(shù)據(jù)庫的各模塊功能如下:一、復合材料層合板力學性能模擬數(shù)據(jù)庫維護模塊主要有以下功能:在該模塊界面用戶能夠?qū)κ占跀?shù)據(jù)庫中的單層板基本力學信息如橫向彈性模量、縱向彈性模量、縱向泊松比、面內(nèi)剪切彈性模量、橫向拉伸強度、橫向壓縮強度、縱向拉伸強度、縱向壓縮強度及面內(nèi)剪切強度等進行系統(tǒng)管理,包括添加、更改、刪除記錄等。也可將模擬得到的復合材料層合板工程力學常數(shù)信息及模擬條件信息收錄到數(shù)據(jù)庫中,方便之后的查詢及管理二、復合材料單層板信息查詢模塊主要有以下功能:該模塊可實現(xiàn)對單層板基礎(chǔ)力學信息的查詢,在該模塊界面用戶可通過設(shè)置“輸出字段”、“查詢條件”及“排序字段”等條件快速找到滿足條件的復合材料單層板。三、復合材料層合板模擬代碼自動生成模塊主要有以下功能:該模塊中包含了一個用ANSYS有限元分析軟件支持的批處理語言APDL程序語言編寫的代碼框架,用戶只需在模塊界面上選擇所需的復合材料單層板材料及鋪層參數(shù),數(shù)據(jù)庫便會自動將所選單層板的工程力學常數(shù)及鋪層數(shù)、鋪層角與模型尺寸等數(shù)據(jù)自動填充入APDL代碼框架中,自動生成一個程序代碼文件,利用ANSYS可直接運行該程序文件,得到復合材料層合板的最終強度。
[Abstract]:In this paper, a simulation database of mechanical properties of composite laminates is built on the platform of Visual FoxPro 9.0. This database mainly includes the following three modules: first, the database maintenance module of composite laminate mechanical properties simulation. Second, the mechanical information query module of composite monolayer plate. Third, the composite laminated plate strength simulation APDL code automatic generation module. In the process of setting up the database, the interface of the three modules mentioned above is first established, and then the data connection relationship between the modules is established, which constitutes the overall framework of the database. Then the detailed function design and interface design of each module interface are carried out, and the new method program and properties are added, and the corresponding code is compiled. Finally, the database is constructed. The functions of each module of the database are as follows: 1. The main functions of the database maintenance module are as follows: at the interface of the module, the basic mechanical information such as transverse modulus of elasticity, longitudinal Poisson's ratio, and the basic mechanical information of the single layer plate collected in the database can be obtained by the user. In-plane shear modulus, transverse tensile strength, transverse compression strength, longitudinal tensile strength, longitudinal compression strength and in-plane shear strength are systematically managed, including adding, modifying, deleting records, etc. It can also be included in the database of engineering mechanical constants and simulation conditions of composite laminates, which is convenient to query and manage. The main functions of the information query module of composite monolayer plate are as follows: the module can query the basic mechanical information of monolayer plate, and the user can set "output field" in the interface of the module. Conditions such as query conditions and sort fields can quickly find composite monolayers that meet the criteria. Thirdly, the automatic code generation module of composite laminates has the following functions: the module includes a code framework written by APDL, a batch language supported by ANSYS finite element analysis software. The database will automatically select the engineering mechanical constants and the number of layers of the selected monolayer plate by selecting the material and parameters of the composite monolayer board on the interface of the module. The data such as laying angle and model size are automatically filled into the APDL code frame and a program code file is generated automatically. The program file can be run directly by using ANSYS and the final strength of composite laminates can be obtained.
【學位授予單位】：東華大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TB33

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