I was wondering if any landslide occurred in slopes with black soils or expansive soils (swelling clay material)?

More Sinnappoo (Ravi) Ravindran's questions See All

Calculate the Strain at a Node in the Turbine Blade FE Model?

Hello Team, I would like to calculate the strain at a node #5 in a direction (l1,m1,n1) in the turbine blade FE model as shown. This node is connected with four elelemnts (#1,#2,#3,#4) and I have...

11 January 2021 7,702 3 View

One invention granted for the US and European patent will be counted as one patent or 2 patents for CV writing?

05 January 2021 8,135 4 View

Buckling of Smart composite plates using FEM ( MATLAB code)?

Can anyone help me with the FEM coding for Buckling of composite plates using the FSDT or HSDT - Source or the helping material (textbook, research paper etc) - Geometric stiffness matrix...

03 January 2021 3,059 3 View

How to optimize a structure for excited state when there is a bond breaking during optimization in gaussian?

In Gausssian, I have tried to reoptimize that structure by freezing the bond which is breaking in excited state during optimization. Before freezing the bond i have already tried scf = xqc and scf...

20 December 2020 8,444 3 View

How to build a polymer pdb file from a monomer pdb file, for using it is an initial configuration in Gromacs?

I am doing my Ph.D. in Materials Science and am completely new to Molecular Dynamics Simulation and Linux. I am using Manjaro Linux 20.1 and have Gromacs 2020.4, VMD 1.9.3, packmol 20.0.10,...

28 October 2020 1,051 3 View

Need help in designing a countour which create a seperation bubble on a flat plate ?

Hi This is Ravi. i am trying to create a separation bubble on a flat plate using a contoured upper wall. I want to apply same pressure distribution of a given blade on the flat plate. I have read...

21 October 2020 6,635 5 View

Can someone suggest to me Fluorescence camera for intravital microscopy of blood vessels?

Can someone suggest to me a good and not so expensive Fluorescence camera for intravital microscopy of blood vessels? or can someone advise me on choosing the right camera for intravital...

15 October 2020 4,461 1 View

Moment curvature plot in SAP2000: What should i refer to understand the background calculation which SAP2000 does to generate the M-phi ?

The moment-curvature plot in SAP2000 is based on the material stress-strain plot of caltran (along with its material FoS). I would like to understand the detailed calculation to obtain the plot...

13 August 2020 5,729 3 View

Can review and Cite?

Dear all, Can you go through the research article links and review and cite. https://scholar.google.com/citations?user=bKF5yGsAAAAJ&hl=en&authuser=2 Happy if connecting with researchers to...

05 August 2020 8,278 2 View

I am requesting you all to assist in the direction of epidemic diseases outbreak prediction using machine learning or deep learning approaches?

Any one who are in that track kindly give an idea of how to forward in this idea. Thanking you all

26 July 2020 2,898 3 View

Compute for the total volume of concrete needed for the concrete pouring of the foundation including its column up to NGL only as shown in the plan?

Looking for the quantity of cement, sand, and gravel of footings and columns. Thank you!

25 February 2021 3,092 2 View

Which type of loading is to be used in dynamic analysis of Machien foundation?

Hello Everyone, Hope you all are doing well. I'm trying to simulate a machine foundation in ABAQUS with a geo-cell reinforced soil bed. Im totally confused to which type of loading would be...

21 February 2021 4,388 3 View

Pile-Raft connection?

Greetings, I was wondering what is the optimal way to connect the reinforcement at the top of the pile (the part that connects to the raft foundation): -The pile bars are left straight and...

16 February 2021 2,007 3 View

I am looking for a microbend optical sensor design...can anyone please provide me some idea about it??

I am working on a landslide model...i need an optical sensor to determine the amount of pore pressure and other values..i am thinking of using a microbend sensor. Can anyone please provide me with...

11 February 2021 5,911 2 View

For acid treated montmorillonite clays what will be the result of surface area?

The organo montmorillonite nanoclays modified with octadecylamine were used for the experiment. After acid treatment, the surface area will be increase. However, in my experiment, the surface area...

10 February 2021 1,581 3 View

What could be the reason for XRD pattern starting from very high counts/intensity at 3 degree 2 theta?

I am working on XRD analysis of the clay minerals from the sea sediments. My XRD pattern shows very high counts at the start of the XRD pattern (3 degree 2 theta) which is very unusual. The counts...

31 January 2021 4,493 9 View

Is it possible to prepare clay minerals by mixing pure oxides of required elements? What would be theoretical difficulties with it?

Practically this is not at all necessary. But theoretically, would hydrous/hydrothermal synthesis be enough (like mix 1 mole alumina gel and 4 mole silica gel and gently heat) or would it require...

26 January 2021 6,403 3 View

How to modeling winkler- Pasternak foundation in Abaqus?

I'm trying to modelize functionally graded material beam resting on winkler- pasternak foundation using ABAQUS, however, I could not find any helpful material.

18 January 2021 4,830 4 View

What is the difference between soluble ions and exchangeable cations? And How to determine each of them?

I used percolation columns to reclamation saline-sodic clay soils . And my question is, What is the difference between soluble ions and exchangeable cations?

18 January 2021 6,868 3 View

How can I access or find research papers on ck-12 foundation?

I am working on my research proposal on the topic, "physical proximity and technology-enhanced collaborative learning in Chemistry. And am going to use the topic matter and change, using CK-12...

12 January 2021 6,811 1 View

Ibrahim M. Mashhour

Studying the stability of slopes in unsaturated soils is such an interesting topic.

I would recommend this article:

Article Analysis of Slope Stability in Unsaturated Expansive Soil: A...

Arezoo Rahimi

Sure, it happened. Look into the unsaturated soil mechanics literature and you will find useful resources.