element test using d mod2 peer 2g02 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Element Test using D_MOD2 PEER 2G02 PowerPoint Presentation
Download Presentation
Element Test using D_MOD2 PEER 2G02

Loading in 2 Seconds...

  share
play fullscreen
1 / 8
nyx

Element Test using D_MOD2 PEER 2G02 - PowerPoint PPT Presentation

103 Views
Download Presentation
Element Test using D_MOD2 PEER 2G02
An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Element Test using D_MOD2PEER 2G02 By Dr. Neven Matasovic

  2. I completed my analysis for the PEER 2G02 second assignment. As you know, input in D-MOD is an acceleration time history. D-MOD can not accept shear strain (or stress) as an input and it does not allow for specification of initial static shear stress (strain). The only way to check what D-MOD does in terms of stress-strain behavior is to excite one element by a series of acceleration time histories (as you provided in terms of shear strain time histories). Therefore, I: • 1.      converted the shear strain time histories you provided into the acceleration time histories. I did that by arbitrarily assigning time step of 0.02 seconds and peak amplitude of approximately 0.9 g to each shear strain time history you provided; and • 2.      arbitrarily assigned a small amount of viscous damping (approximately 0.4%); mass and stiffness to a single element and applied the above described, converted time histories to a (compliant) base of the model. • 3.      run the analysis using the modified MKZ model and monitored the results in terms of shear stress and shear strain time histories. Please note that, in fact, I did a non-linear single-degree-of-freedom system analysis. The results of my evaluation follow plots of acceleration time histories used in the analyses. Please also note that I was able to analyze only “spreadsheet” steps 1 and 3 as D-MOD does not allow for specification of initial static shear stress (strain). The results of my evaluations show that stress-strain model embedded in D-MOD strictly follows the Masing rules. As always, the D-MOD input/output files and related spreadsheets are available. Please let me know if you require them,or anything else related to this exercise. Sincerely, Neven Matasovic

  3. Symmetric LoadingConstant Amplitude

  4. Symmetric LoadingVarying Amplitude

  5. Reverse Loading

  6. Reverse Loading

  7. Reverse Loading

  8. Reverse Loading