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

Rietveld refinement of cement paste?

I am a beginner in rietveld refinement, my samples contain numerous overlapped peaks and amorphous phases. I have few doubts related to rietveld refinement of cement paste: 1. My quantifications...

11 January 2021 8,873 6 View

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

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

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

Cyclic Symmetric Modal Analysis using Finite Element in MATLAB/FORTRAN/PYTHON?

Hello All, I am interested to write finite element code to solve the Cyclic Symmetric Modal Analysis of a disk. I want to understand the Cyclic Symmetric Modal Analysis in details and want to...

08 December 2019 8,866 1 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View