How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

What needs to be taken care of while fitting a ferromagnetic resonance signal? In context of the amplitude, Real part and imaginary part of the FMR?

I am using a lock in amplifier detection technique along with an Helmholtz coil. I am measuring the real and imaginary part of the FMR signal. Which signal (Amplitude, Real or imaginary) should be...

16 August 2020 1,233 6 View

Where can I find a detailed database with info on how many people did COVID 19 patient meet before being symptomatic?

We are building a mathematical model for COIVD 19. We are looking for data with Patient ID, Age, Gender, Travel from and to, Date of arrival, a number of people the patient met after arrival,...

29 March 2020 7,954 4 View

How to plot data in 10X10 matrix in which all the diagonal elements are 0 and the matrix is symmetric about the diagonal?

I have a data of comparison of 10 proteins with each other under two parameters i.e 100 entries in the shells of two 10X10 matrix in excell sheet. I want to see whether both of these data sets...

02 March 2020 1,593 5 View

Limitation of Clausius-Mossotti relation??

what is the limitation for Clausius-Mossotti relation?? is that applicable for all the crystal structure??. If the material is an organic single crystal, how well this suits for it

31 January 2020 8,571 3 View

Does it require testing each topical formulation of our drug in laboratory animals, if drug has showed potential at some concentrations?

We have evaluated the wound healing potentials of a compound at a particular concentration in ointment form in laboratory animals. Now, we are preparing different types of topical formulations...

14 January 2020 2,893 6 View

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09 December 2019 8,735 11 View

Problem in downloading particular ZINC database file, suggestions?

Can anybody provide me with underneath Zinc database (.sdf format) https://zinc.docking.org/substances/subsets/biogenic/ or suggest me how to download this database. Although, I have tried many...

27 November 2019 7,112 8 View

Looking for a simple protocol of DNA Extraction from plant leaves? Suggestions please. Thanks in Advance?

Tried various protocols none is working. Generally getting DNA contaminated with phenols and proteins.

09 October 2019 8,548 4 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

What is the best surface to culture cells isolated from a skin biopsy?

Hello, recently I am having some difficulties with maintaining the cell culture of primary cells isolated from a skin biopsy (normal and malignant). The coating of culture plates with Matrigel (a...

26 February 2021 6,151 2 View

How could I process data in RCT to include it in meta-analysis?

I'm in the process of doing a meta-analysis and have encountered some problems with the RCT data. One of my outcom is muscle strength. In one study, I have three different measurements of muscle...

25 February 2021 7,603 3 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Why cannot world and community leaders be gentle? Where did ethics of care go?

The whole world is in a mess and paused. We all are tired of seeing hypermasculinized and destructive leaderships all around us. This world has seen enough of the aggressive patriarchal social...

23 February 2021 292 7 View

Any Differences in COVID-19 vaccines?

Are there any differences (outside of the clinical trials that led to their EUA) observed in the rate of infection among those who have received the Pfizer vs Moderna vaccine since the mass...

22 February 2021 9,727 6 View