Mahdi Abdeddaim

20 Questions 74 Answers 0 Followers

Questions related from Mahdi Abdeddaim

How accurate is the hysteretic model present by Bouc-Wen for representing nonlinear behavior of structures under earthquake loading?

Dear Researchers Greetings, I'm trying to model a structure under earthquake loadings, I want to investigate the structure's non-linear behavior. I went through a lot of papers in the...

19 March 2022 1,293 5 View

How can I caulclate soil shear modulus using shear wave velocity ?

Greeting dear researchers, I'm doing some application on soil structure interaction and I want to calculate the shear modulus of the soil using the wave velocity given in the Algerian seismic...

12 November 2019 6,535 9 View

Why the genetic algorithm is given a single value ?

Greeting dear researcher, I'm runing a multi-objective optimization using GA (Pareto - NSGA-II), the optimization is given only one value for each objective as it can be seen in the attached...

15 October 2019 3,644 5 View

Classical damping vs. Non-classical damping, which methode is the recommanded ?

Dear researchers, the evaluation of the structural damping can be accomplished using either classical method such as Rayleigh damping or Modal damping these methods assume a proportional damping...

25 October 2018 1,583 7 View

Is there any benchmark model for 3D building under seismic excitation ?

Dear researchers; I'm trying to apply some semi-active control on a 3D building excited with uni-directional or bi-directional excitations, with and without eccentricity (rotational degree of...

22 June 2016 9,992 2 View

What are the positive and negative effects of a TMD on a structure ?

Dear researchers community; I'm trying to start a new project on TMD (tuned mass damper), I want to get a general idea from researchers who already work on this particular damping devices. what...

10 February 2016 9,288 6 View

How to write a 3D building motion equation ? and how to solve it in state space ?

Dear researchers; I want to model a 3D multi-storey building and submit it to earthquake, and then I want to solve the equation of motion of the building under the earthquake load. How can I do...

31 December 2015 8,501 8 View

What is state of the art, concerning the seismic retrofitting of damaged buildings using damping devices?

Dear researchers; Can any one suggest me some papers on the seismic retrofitting of damaged buildings using damping devices? I'm not finding a lot of papers on this problem. Regards.

07 December 2015 7,988 2 View

How can I determine the predominant frequency of an earthquake ?

Dear researchers How can I determine the predominante frequency of an earthquake from it ground acceleration record using MATLAB. Best regards.

26 November 2015 4,829 20 View

What is meant by retrofitting structures?

Dear researchers; if a structure is damaged by an earthquake, stiffness K and damping C parameters of some floors are reduced by 0.7 or 0.8. how can I say that I retrofitted this structure to...

12 November 2015 7,625 7 View

How can I calculate base shear and how can it be normalized?

Dear Researchers; I'm simulating a 10 storey building behaviour, under different earthquakes, I want to know how can I calculate the base shear of this building ? starting from the accelerations...

27 October 2015 3,127 17 View

What is the simplest controller I can design for comparing my fuzzy logic controller results with ?

Dear researchers; I developed a fuzzy controller for a MR damper (the controller decide about the voltage to induce to the damper), and I'm comparing the results of the fuzzy logic controller...

15 October 2015 924 14 View

What should change if we move the damper location from ground-floor to top floor ?

Dear researchers; I'm using a damper in a five-story structure, I'm asking what should I change if I decide to move the damper from ground-floor to the top floor ? - Should I juste change the...

02 July 2015 3,731 18 View

Do you have any software for Semi-active control device modeling?

Dear researchers ; Does anyone knows a good software for modeling and controling semi-active devices, such MR damper, ER damper, STMD? Kind regards

26 April 2015 8,760 9 View

Can anyone provide me with references for M, K, C matrix of a large scale building used in a pounding study?

Dear researchers, I'm trying to avoid pounding between to adjacent building using coupling strategy, I start working on scaled structures, and now I need to apply my strategy on a large scale...

04 March 2015 3,207 3 View

How can you validate a Control algorithm (fuzzy controller)?

I made a fuzzy logic controller for a MR damper used in seismic vibration control and I want to validate my fuzzy controller. How is this possible ?

21 February 2015 977 8 View

What is the difference between integrator and limite integrator in Simulink?

I'm using Simulink for modeling a MR damper, when I use my model (the damper) to control the response of a building it shows an error in one of my integrators in MR damper model when I change this...

25 January 2015 9,455 2 View

How can I run a simulink model in Matlab code iteration?

Dear researchers, I want to use a matlab code to calculate building desplacement velocity and accleration (ender earthquake), then send the displacement and velocity to a MR damper model in...

09 January 2015 4,904 9 View

Why Matlab function block in not working in Simulink ?

Dear researchers; I made a programme in MATLAB code, to solve the mouvement equation of MDOF structure using Newmark beta methode, the programme is working perfectly in MATLAB but once intrduced...

07 January 2015 8,166 7 View

How can we use Fuzzy logic in structures vibration control ?

Dear Researchers; I'm trying to create my one control algorithm using fuzzy logic, applied on a semi active magneto-rheological damper implemented in a 3 story structure, any help with this...

27 December 2014 546 2 View