Navid Yeganeh

17 Questions 6 Answers 0 Followers

Questions related from Navid Yeganeh

What are the differences between the static, monotonic, cyclic, dynamic, and seismic loadings?

Are the static loading and monotonic one the same? Is it correct to point out that the dynamic loading includes the cyclic and seismic loading conditions?

27 November 2019 9,366 2 View

What is the maximum limiting value for the differential settlement of a mat foundation under the surcharge of an RC building?

Having surfed the Net, I saw some yardsticks based on which the maximum differential settlement was limited to 50 mm, e.g., Skempton and McDonald (1956). Are there any codes or research studies,...

27 August 2019 5,401 6 View

Is there any specific command that must be used to have the excess pore pressure dissipated right after a seismic analysis via FLAC3D?

Is there any example of a programming code regarding letting the excess pore water pressure dissipate in a seismic numerical simulation via FLAC3D?

04 August 2019 165 2 View

Should the effective stresses be constant during the effective stress numerical analysis?

Assuming running the undrained effective stress analysis in FLAC3D via Config FLUID using the effective stiffness and strength parameters, are we expecting the constant effective stresses in the...

16 July 2019 6,254 3 View

How can one remove the water level from the FLAC3D simulation at some point?

Is it possible to deactivate the effect of water so that FLAC adds the amount of steady state PWP to the effective stresses in all zones such that all the stresses in the soil constitutive model...

01 June 2019 4,878 2 View

How are the horizontal stresses calculated in FLAC3D?

The very initial step of each project is setting up the in-situ stresses. Right after the said step as well as amidst the dynamic analysis, could you cast light on how FLAC internally does the...

28 May 2019 5,361 2 View

How to assign the appropriate values to the interface element properties in FLAC3D?

Hey There. I am seeking a batch of references whereby the cohesion, friction angle, and dilatancy of the interface element, e.g., between a concrete foundation and the soil mass, could be...

14 March 2019 1,224 2 View

How to distinguish betwixt the monotonic soil shearing and the cyclic shearing once interpreting the results of seismic undrained analysis of SSI?

Soil-structure interaction Direct method Monotonic soil shearing Cyclic soil shearing Undrained effective analysis

03 December 2018 8,207 0 View

What are the factors affecting the total mean pressure in a soil medium amidst an earthquake excitation?

Hey There. Assuming that the Mohr-Coulomb shear failure envelope as an elastic-perfectly plastic soil constitutive model is employed in FLAC3D. Referring to the dynamic section of the aforesaid...

30 November 2018 6,448 1 View

Which method is more appropriate for the estimation of the predominant frequency of earthquake?

I am well-neigh bamboozled courtesy of facing two utterly assorted methods in the calculation of the predominant frequency associated with earthquake. By way of illustration, a piece of seismic...

29 September 2017 810 4 View

What is the rationale behind assigning zero to Poisson's ratio of the structural elements according to the PLAXIS manual?

PLAXIS 2D and 3D

13 March 2017 5,756 3 View

What is the difference between "hysteretic behavior of soil" and "hysteretic damping/loops"?

Could you please drop some references elucidating such jargon? Generally speaking, I am inclined to figure out what gives rise to hysteretic loops in soil constitutive models whilst the authors...

16 August 2016 2,608 2 View

How to check out the FLAC3D procedure of applying earthquake acceleration records?

Could you issue the best way whereby the acceleration history concomitant with one point at the base of the model is utterly coincidence with the earthquake acceleration record in terms of the...

31 July 2016 8,473 1 View

Can you pronounce how to demonstrate the IDs corresponding to zones and gridpoints in FLAC3D in the working screen?

Additionally, in FLAC2D, the IDs associated with gridpoints and/or zones, for which the history commands are being invoked, illustrate in the working screen automatically.

18 July 2016 9,847 2 View

Unloading-reloading Poisson's ratio?

Inasmuch as the unloading-reloading Poisson's ratio is a pure elastic parameter, I just wonder why the PLAXIS manual, in HS Model section, posits to harness 0.2 in lieu of selecting the...

07 July 2016 3,700 3 View

Could you please spell out a tangible value for the large enough cyclic strain?

Have you ever gone through the ensuing procedure in your project? [FLAC3D-5.0]: Prior to running a dynamic model with actual material strength and damping properties, an elastic simulation should...

03 July 2016 4,497 0 View

Could you throw light on the paramountcy of employing the cohesion hardening for clayey soil in lieu of the friction hardening?

Ascribing doubting as respects making use of the CY Model in FLAC3D so as to mimic the behavior of clayey soil in the seismic analysis to being utilized the friction hardening in the aforesaid...

25 June 2016 4,620 2 View