Kay Guanlao

10 Questions 8 Answers 0 Followers

Questions related from Kay Guanlao

SAP2000/ETABS : Why is my truss taking excessive values of axial force?

I modelled a 3d truss with one storey concrete structure attached to it as shown on the model. I know that the one storey concrete structure changes the rigidity and the flow of the forces on the...

03 January 2024 6,783 1 View

How to determine the ultimate displacement of static pushover curve using Seismostruct?

Hi there! I am quite confused as to how I can properly produce a pushover curve that can demonstrate a proper descending branch to signify that ultimate displacement has been reached. In...

11 January 2022 380 2 View

What do you mean by this error in Opensees : Large trial compressive strain ?

Good day fellows, I am currently doing a 2d pushover analysis of a simple RC frame ( fiber section ). I am just following the example in the opensees wiki. The model worked fine in gravity loads....

07 January 2022 7,574 3 View

How to input own hysteresis material model in Opensees?

Hi Engrs, I am a newbie with Opensees. I know that there are several material models available in the software. Question is.. I have an experimental cyclic data of a load-deformation curve of a...

07 November 2021 5,739 2 View

Why is my first mode period in ETABS too large in FNA Analysis ( Fast Nonlinear Analysis )?

I am analyzing an existing steel structure with viscous dampers. However, when I performed a FNA analysis, the period of my first mode is excessively large, it's not realistic. Clearly, I have...

02 June 2021 1,092 4 View

How to fix warning on etabs/sap2000: MAXIMUM NUMBER OF TOTAL STEPS REACHED FOR LOAD CASE?

Does anyone encounter this type of warning in ETABS/sap2000? "MAXIMUM NUMBER OF TOTAL STEPS REACHED FOR. CASE: LATERAL FORCE CONTROLLED. SUBSEQUENT RESULTS WILL NOT BE AVAILABLE" Pls see attached...

13 May 2021 6,588 0 View

SAP2000 or Seismostruct for Pushover Analysis?

Which one is a better program in terms of result accuracy? Would like to hear your thoughts. Also, can you share your experience of how you familiarized yourself with Seismostruct. There are few...

12 May 2021 3,515 19 View

What are the differences in Mander's model of SAP2000 vs ETABS?

Hi guys. Just a question. I am modelling my columns and beams in section designer. I noticed that in SAP2000, Mander's ( confined) can be modified inside Section designer including the ties...

11 May 2021 7,608 1 View

How to fix Error # 5 in SAP2000 ( Unable to define Fiber Hinge ) ?

I created Fiber P-M-M hinge where I pasted the fiber layout generated by section designer. I assigned it at the support of my column. However, I came accross this error once I run the program. It...

09 May 2021 1,642 2 View

How to match experimental load-displacement curve with the ones modeled using SAP2000?

Hi everyone. I'm currently working on replicating the load-displacement backbone curve result from an experiment of a simple circular column subjected to slow-cyclic loading. The specimen is...

02 May 2021 9,244 5 View