Posts tagged ‘Program’

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分享一个小程序。  A small program to share with you.

  • 程序图标 ( Program Icon )

        Pushover Performance Point Solution Program(based on FEMA 440 Equivalent Linearization Method )

  • 程序介绍 ( Program Introduction)

基于FEMA 440等效线性化法 Pushover分析方法 的性能点求解程序。( A program for the Solution of Pushover Performance Point based on FEMA 440 Equivalent Linearization Method. )

  • FEMA 440等效线性化方法介绍 ( Introduction of FEMA 440 Equivalent Linearization Method )

FEMA 440等效线性化方法是众多Pushover分析方法中的一种,是ATC-40能力谱法(Capacity-Spectrum Method )的一种改进,其基本原理如下图所示。( Equivalent linearization procedure of FEMA 440  is a modification to the Capacity-Spectrum Method (CSM) of ATC-40. )

When equivalent linearization is used as a part of a nonlinear static procedure that models the nonlinear response of a building with a SDOF oscillator, the objective is to estimate the maximum displacement response of the nonlinear system with an “equivalent” linear system using an effective period, Teff, and effective damping, βeff (see Figure above). The global force-deformation relationship shown in the above figure for a SDOF oscillator in acceleration-displacement response spectrum (ADRS) format is termed a capacity curve. The capacity curve shown in the above figure is developed using the conventional procedures of FEMA 356 or ATC-40. The effective linear parameters are functions of the characteristics of the capacity curve, the corresponding initial period and damping, and the ductility demand, µ

——— from FEMA 440

  • 程序界面 ( Program Interface )


  • 实例 ( Example )

(1) Import Push Over Data

(2) Generate Capacity Curve

(3) Set Demand Curve

(4) Solution of Performance Point

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  ( 软件是免费的。如果有需要,请在评论栏留下您的评论,软件将通过邮箱给您发送。如果你发现软件有bug或者软件使用有问题,请联系我!邮箱 . 如果你喜欢,请在上面给我 点个赞 吧! :-)   :-)   :-)

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  • 特别鸣谢 ( Acknowledgements)

特别鸣谢来自中国建筑科学研究院的 张茜 博士 !!!( Special thanks to Dr. Xi Zhang from China Academy of Buidling Research!!! )

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