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

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

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 different Nonclinical Pharmacological/Toxicological studies required for the development of Topical Drugs for wound healing?

I am testing some compounds for wound healing in rats (rodent) and want to further extend the research for the drug development for wound healing in animals/human. So, please tell me the different...

30 March 2019 8,252 3 View

How to perform pushover analysis of masonry bridge in ABAQUS?

I have modeled a skew arch bridge in abaqus. what is the detail procedure of performing pushover analysis in abaqus and how can I get ultimate load capacity of the structure.

11 February 2019 5,772 3 View

What are the advantages of genetic algorithm when similar competitive algorithms exist in the literature for multi objective optimization?

I have used HGA heuristic for multi objective optimization scheduling problem.I want some of the reasons for considering HGA when similar competitive algorithms exist in the literature for...

24 July 2018 9,179 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 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 difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View