How to properly calculate the fluid solid heat transfer between polypropylene matrix and glass fiber in a porous medium?

I'm building a cfx model of thermoplastic pultrusion process on ansys and i have a doubt on how is the proper way to set this parameter in a porous medium

24 February 2021 1,915 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

Does the power law behavior can be approximated with Gaussians?

In epidemiology, earthquakes, tokamak disruptions etc., there is possibility of approximations with the sequence of Gaussians and with the appropriate risks ( see my papers in Journal of Fusion...

26 January 2021 5,411 5 View

Does multivalued logic is necessary for artificial intelligence?

Fuzzy logic is multivalued. Does the multivalued logic is necessary for artificial intelligence?

26 November 2020 5,572 6 View

How to work with diversity indexes data while working with aleatory transects inside an area?

Hello! I've used the aleatory transect methodology to survey for mushrooms in six different areas. We've done 4 samples (transects) in which area along 4 months , one per month. I've already...

07 April 2020 9,664 3 View

Does the trend against Machine Learning theory is OK?

In last time there is a trend against Machine Learning ( ML) theory because ML is based mainly on data ( statistics ) and less on physics. Does it is OK.

29 November 2019 9,461 2 View

Variational calculus in curved spaces

Could anyone indicate me a good and simple material that deals with methods for variational calculus in curved spaces? (It does not have to be, necessarily, basic at the level of a General...

08 July 2017 6,159 6 View

Is it possible to model XFEM elements on Abaqus without using damage initiation/evolution for traction separation laws?

I am modeling in Abaqus a metal plate subjected to tension (CT), with an existing crack surface, using XFEM technique. I need to perform cyclic analysis so I need to assign hysteretic response to...

09 May 2017 2,475 5 View

What is a optimal value for error in residuals for cyclic direct analysis in Abaqus?

As one can see from Abaqus Manual (http://130.149.89.49:2080/v6.7/books/usb/default.htm?startat=pt03ch07s02abo09.html#usb-anl-aconvergeintro), the default residual error for the increment...

07 May 2017 803 6 View

How to check if the assigned behaviour of a material (Abaqus) is right?

I am modeling 3D CT specimen on Abaqus. The assigned material is elastic-plastic and damage is defined by separation laws. I tried to check in the results if the elements behaviour is the one I...

03 May 2017 2,934 5 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View