Arman Kamalzadeh

7 Questions 19 Answers 0 Followers

Questions related from Arman Kamalzadeh

How to simulate MSE walls for dynamic FE analyses?

Hi colleagues, Because of the complexity of modelling geogrid layers and their interfaces which can cause convergence problem in FE analyses, I have seen in practice they model the whole MSE wall...

15 August 2020 4,791 3 View

Predicting Time of PGA Occurrence?

I want to estimate the approximate PGA time for far-field earthquake records. For instance the PGA of ElCentro earthquake record occurs at 2.15 s, I want this time. Is there any paper you can...

07 September 2013 9,830 0 View

How to scale earthquake acceleration record to reach collapse prevention performance level?

I have read the scaling criteria of ASCE 7-10, which recommends that the group of selected acceleration records must be above the design response spectrum from 0.2T to 1.5T, where T is the...

08 March 2013 4,449 10 View

How to design a steel frame to be sure it will undergo nonlinear deformations when earthquake acceleration records exerted on it.

I want to do some time history nonlinear analysis on a couple of 1-storey, 1-bay steel moment frames and I want to design them in a way to ensure that nonlinear deformations will occur in these...

24 February 2013 165 9 View

What is the most appropriate damage indices for modelling actual damage specially for steel structures?

Like Park & And , ...

23 December 2012 2,184 6 View

What is wrong with my code?

model basic -ndm 2 -ndf 2 set E [expr 1.995*1.e6] set mu 0.22 set Pi [expr 4*atan(1)] node 1 0. 0. node 2 20. 0. node 3 20. 20. node 4 7. 14. nDMaterial ElasticIsotropic 1 $E $mu element quad...

28 November 2012 1,893 3 View

What is the concept of fragility curve?

What is the concept of fragility curve and how is it obtained? What is its application in designing procedures?

28 April 2012 339 29 View