FEM modeling of Joints/ Connection?

The attached Joint.png showed and example case of a joint (2 continuum members are connected). There are 3 characteristics of this, 1. There is a Gap: Cause small amount of rigid body rotation and...

07 December 2020 6,603 3 View

Is there any code to generate Shape functions for FEM?

Hi, Commercial softwares generally use standard element for FEM. For example Abaqus library has max 20 node 3D brick element. But if anyone wants to use like 4th order element or Spectral element,...

17 October 2020 204 3 View

How to access urban traffic dataset?

I'm looking for a traffic dataset for Pasadena city, California. Im interested in hourly data or even parts of the day (few hours interval) to indicate the traffic count for the year 2019. I've...

14 October 2020 9,662 3 View

Is there any good source of power system (real/synthetic) time-series data?

For research on power system cybersecurity, I need to train an LSTM model with the time-series sensor data that covers the overall states of the system, not a single sensor. Even though I have...

07 October 2020 573 3 View

3D FEM code issues with 1/8 Sphere?

I have been working on 3D FEM in Matlab. Done different verifications tests and have good match with Abaqus and analytical results for some cases, but for a 1/8 sphere, I am facing this issue....

18 September 2020 7,747 4 View

Data Mapping between 2 Mesh?

Hi, . I need to map data (scalar, vector, tensor) from a FDM grid to a FEM mesh. The girds or mesh are different from each other and the grid do not necessarily be equal spacing like the image...

06 May 2020 8,542 12 View

Can we use RNA Interference (RNAi to degrade virus) for Inhibition of genes expression of coronavirus (COVID-19)?

Looking for the possibilities that might help researchers to find a cure or new dimension of therapeutical strategy to fight Novel Corona viruses (COVID-19) of the 21th century.

01 April 2020 9,297 8 View

Uncommon Serendipity Elements in Finite Element?

Hi, Do people use uncommon serendipity elements (Incomplete polynomial and different continuity for different axis)? For example, the elements in the picture. Thanks.

02 March 2020 7,526 3 View

How to design multi Epitopes Vaccine Prediction against Novel Coronavirus 2019 (COVID-19) Using Immunoinformatics tools.?

Severe acute respiratory syndrome coronavirus 2, formerly known as the 2019 novel coronavirus, is a positive-sense single-stranded RNA virus. It is contagious among humans and is the cause of...

21 February 2020 2,535 12 View

FEA: Why deformation does not match with ABAQUS for 3D elements?

Hi, I have been developing In-house code to solve 3D Structural dynamics equation using Finite Element Method. I have used both Brick and Wedge elements (Linear). Up to now, I have solved Static...

13 February 2020 355 17 View

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How to properly calculate Interfacial area density in a porous domain?which are possible value for glass fiber?

I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way IAD=Total fiber lateral surface of fiber...

23 February 2021 6,043 1 View

How can we add reinforced thermoplastics with granules in injection molding machine?

I need to make an injection molding machine in which short fibers are to be introduced. Short fiber length and material properties are to be determined and also the material strength are to be...

22 February 2021 4,290 1 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View