Abdelrahman Taha

5 Questions 8 Answers 0 Followers

Questions related from Abdelrahman Taha

Modeling of soil-structure interaction?

hi, I am trying to model a system taking into account the soil-structure interaction effects. And I have a question .. I've gone through NIST report on soil-structure interaction modeling, and I...

22 October 2020 2,176 3 View

I need suggestions for new promising research topics in the field of earthquake engineering and structural dynamics

I'm going to do research in this field, so any contribution is appreciated.

06 August 2017 734 7 View

How accurate is the seismic design using response spectrum analysis of a very flexible structure that shows high level of geometric nonlinearity?

This structure is composed of both steel bars and cables. The existence of cables is required for the deployment of the structure from a fully-retracted state to a fully-deployed state. After the...

26 July 2017 1,529 5 View

I can't perform modal analysis using Ritz vectors in SAP2000?

Every time I try, it gives me this error "2 eigenvalues below the shift, Ritz analysis requires all eigenvalues to be above the shift". What can be the problem that makes this error exist?

15 July 2017 6,273 3 View

I have an error when running the analysis of a structure that consists of steel bars and cables using SAP2000 .. What does that error mean?

The 1st image shows the structure, the steel bars are colored in yellow, and the cables are colored in green. And the 2nd one shows the error.

25 March 2017 7,096 6 View