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A Study for New Generation Performance Based Seismic Design Concepts

Submitted by onur.akovali on

A Study for New Generation Performance Based Seismic Design Concepts

 

"Earthquake Performance Assessment of Concentrically Braced Steel Frames using Incremental Response Spectrum Analysis Procedure"

 

link for downloading .ppt file

 

https://www.zumodrive.com/file/485984267

change elemen status during a multiframe analysis in ANSYS

Submitted by behzadhemmati on

I'm working with ANSYS. For performing my analysis I use from antype,4,rest,,,continue to continue the analysis from previous load steps. During my solve I should change the contact keyopt so I go from /solu part to /prep7 part. When I come back to /solu part and set analysis as antype,4,rest,,,continue the changes that I had applied for contact elements in /prep7, ignores. How I change contact statues or element key options during a solve hat use from continue option for solving.  

Introducing and Invitation for joining to: International Journal of Fundamental Physical Sciences (IJFPS)

Submitted by Payam Soltani on

Dear Prof/Dr/Colleagues,

With great pleasure and respect to all Prof(s) and Dr(s),

It gives us great pleasure to announce regarding to a new monthly journal publication and online, in Multidisciplinary Sciences, IJFPS.

IJFPS is appreciating, if you submit one of your valuable papers.

IJFPS is your journal and expected to publish in JUN-2011.

IJFPS is hoping for your kind response.

IJFPS is waiting for your submission.

Generation of Sound (or Ultrasound) Waves & Resonance

Submitted by Babaei on

Hi,

 

I have a question and would be grateful if you could drop me some lines for it: 

1- Is sound (or ultrasound) is ONLY generated when a structure is vibrating at its resonance frequency?   

2- If the answer to the above question is YES, is sound (or ultrasound) generated at all resonance frequencies or just some of them depending on the amplitude of the vibration. 

 

Thank you,

Babaei