Ela Elviani

8 Questions 5 Answers 0 Followers

Questions related from Ela Elviani

How to check if the static model is already stable in FLAC ?

Dear colleagues, I am working with FLAC (dynamic analysis using PM4Sand) and I would like to ensure that the static stage of my model is already stable before applying the dynamic loading. In my...

4 weeks ago 1,220 4 View

Input dynamic loading, Excess pore pressure shaking jump, ru in FLAC. How to get more smooth ru, dynamic simulation ?

Hello everyone, I am trying to simulate underground structures using PM4Sand in FLAC. At the beginning of the dynamic simulation, the results always show a sudden spike in ru also Excess pore...

last month 1,268 0 View

Input dynamic loading in FLAC, should I modify th multiply value (for sxy) ?

Hello everyone, I would like to ask a question regarding the use of sxy as my input for dynamic loading. When using sxy, I need to calculate its value first (as a multiplier for the dynamic...

25 July 2025 6,387 2 View

What's the best way to apply acc from the base model by using FLAC Software ?

Hello Everyone. I've been tried to use some ways to apply acceleration input by following FLAC Manual Guidelines. 1. use quiet boundary, apply sxy at base model. Actually, i want to apply acc...

13 June 2025 9,722 0 View

Why the y-acceleration energy drops earlier, also I have the little increase x-acc when I applied wave at the base ?

Hello everyone. I'm still working on dynamic simulation. I want to ask some situation I found. Condition, I have sine wave function, I applied it at the base model j=1 by using apply yacc 1...

03 June 2025 9,566 0 View

Is it important to specify the porosity and permeability in flac ?

Hello everyone I'm still working on liquefaction simulation by using flac software. But I still have some problem, I want to ask, 1) should I add porosity and permeability values in my...

02 June 2025 8,839 3 View

Should we add apply pp even we already use the water table command into your model ?

Hello everyone. I want to ask something about flac simulation. I want to simulate the ground by using pm4sand during the dynamic loading. My water level is at the ground surface, so that's mean my...

01 June 2025 8,881 1 View

Question about PM4Sand in FLAC8.1 – Yacc drops too early?

Hi everyone, I’m trying to simulate liquefaction using PM4Sand in FLAC8.1. For now, I only simulate the ground (no structure), and I use a sinusoidal wave as the input motion. The pore pressure...

01 June 2025 5,091 1 View