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生成與特定目標響應譜匹配的人工地震加速度圖
SeismoArtif 是一個應用程序,能夠使用不同的計算方法和不同的假設生成與特定目標響應譜相匹配的人工地震加速度圖。值得注意的是,使用真實的加速度圖和頻譜匹配技術(參見SeismoMatch)以及記錄選擇工具,往往被推薦用于推導用于結構非線性動態(tài)分析的記錄套件。然而,在那些訪問真實加速度圖的情況下,無論出于何種原因,具有挑戰(zhàn)性或不合適,那么像 SeismoArtif 這樣的工具將具有針對性和實用性。
目前,目標頻譜可以通過從超過25個地區(qū)建筑規(guī)范(包括 Eurocode 8 規(guī)則、ASCE 41-17 和各種法規(guī))中選擇的規(guī)則、通過計算特定加速度圖的頻譜或簡單地加載用戶來創(chuàng)建 -定義的頻譜。在定義目標譜和包絡類型后,生成人工加速度圖,并給出其響應譜與目標譜之間的比較,包括加速度圖的平均譜誤差百分比、變異系數和 PGA。
可視化的界面。沒有輸入或配置文件、編程腳本或其他耗時且復雜的文本編輯要求。
為新結構或現有結構的非線性動態(tài)分析生成加速度圖套件
能夠讀取以不同文本文件格式保存的地震加速度圖和頻譜
然后在模擬階段使用加載的地面運動記錄和頻譜集合來定義目標頻譜或包絡形狀
由于與 Windows 環(huán)境集成,SeismoArtif 允許將數字和圖形結果復制到 Windows 應用程序(例如 MS Excel、MS Word 等),并指出繪圖特征可以在程序本身內自定義。
【英文介紹】
SeismoArtif is an application capable of generating artificial earthquake accelerograms matched to a specific target response spectrum using different calculation methods and varied assumptions. It is noted that the use of real accelerograms and spectrum matching techniques (see SeismoMatch), together with records selection tools, tends to be recommended for the derivation of suites of records for use in nonlinear dynamic analysis of structures. However, in those cases where access to real accelerograms is, for whatever reason, challenging or inappropriate, then a tool such as SeismoArtif will be of pertinence and usefulness.
This software can be used to generate suites of accelerograms for nonlinear dynamic analysis of new or existing structures. The program is capable of reading accelerograms and spectra saved in different text file formats. This collection of ground motion records and spectra is then used in the simulation phase for the definition of target spectrum or envelope shapes.
Currently, the target spectrum can be created by following rules from a selection of more than 25 National Building Codes including Eurocode 8 rules, ASCE 41-13 and various Regulations worldwide, by computing the spectrum of a specific accelerogram or by simply loading a user-defined spectrum. With both the target spectrum and the envelope type defined, an artificial accelerogram is generated and a comparison between its response spectrum and the target spectrum is given including the mean error in percentage, coefficient of variation, and PGA of the accelerogram.
Finally, due to its full integration with the Windows environment, SeismoArtif allows for numerical and graphical results to be copied to any Windows application (e.g. MS Excel, MS Word, etc.), noting that the characteristics of the plots can be fully customised from within the program itself.