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Messages - guanxingquan

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Damage & Loss (PELICUN) / Re: EDP definition
« on: June 06, 2020, 11:20:41 PM »
Thank you for your clarification, I have the following several questions and could you please help me with them?

(1) If the PID in orthogonal directions (North-South and East-West) are the same for a one-story building, should I define the same numbers for 1-PID-1-1 and 1-PID-1-2 (as shown in the attached photo) or just define 1-PID-1-1 without defining 1-PID-1-2. Similar confusions for PFA.

(2) For RID, I can have the following two options:

    (a) Define the residual story drift ratio for each story and in each direction (N-S and E-W). For example, if it is a two-story building. Then I have to define 1-RID-1-1, 1-RID-1-2, 1-RID-2-1, 1-RID-2-2.

    (b) Obtain the maximum residual story drift of the whole building and define it as 1-RID-1-1. For example, if it is a two-story building, then I can simply define 1-RID-1-1 and 1-RID-1-2 as the maximum residual story drift.

    Am I correct for the aforementioned cases (a) and (b)?

(3) When I ran loss assessment using Pelicun for a one-story building, I have eight EDPs. They are 1-PID-1-1, 1-PID-1-2, 1-PFA-0-1, 1-PFA-0-2, 1-PFA-1-1, 1-PFA-1-2, 1-RID-1-1, 1-RID-1-2. I defined the EDPs using the results from 40 nonlinear response history analyses, but I input the same numbers for the EPD in two orthogonal directions because the building has exactly the same lateral-force resisting systems in both directions. For example, I use the same numbers for 1-PID-1-1 and 1-PID-1-2. However, the Pelicun gives me the following warning:

"The number of samples is not sufficient to estimate the correlation matrix. We assume uncorrelated EDPs".

According to my understanding, 40 NRHAs is enough to estimate the correlation matrix, but I still get this warning.

Damage & Loss (PELICUN) / EDP definition
« on: June 02, 2020, 12:18:37 AM »
Hi, I just have some confusions about EDP file definition:

I know that in the EDP input file, we need to define the story drift ratio in each direction in each story, peak floor acceleration in each direction at each floor level (including ground level).

I am wondering how to define the residual story drift. I went through all example input files and I haven't found any hints for residual story drift ratio.

Should I define the residual story drift ratio in each direction and in each story? or just the maximum residual drift in each direction.

I think that SP3(Seismic Performance Prediction Program) only requires the maximum residual drift (i.e., not the residual drift in each story).

Damage & Loss (PELICUN) / Component Definition
« on: May 26, 2020, 04:57:56 AM »
Hello, I have a question regarding the component definition:

If the component is non-directional, what should be put in the field of "direction" ?

If the component is in both orthogonal direction, then the "median_quantity" is the summation of the components in both directions?

See the attached photo for details.

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