How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

How to improve the adhesion of epoxy coating on steel substrate? Which factor affects?

I am facing a problem regarding a de-adhesion problem with the coating. A brief description of my methodology is given below. I am using mild or Low Carbon steel as a substrate and I polish the...

14 February 2021 2,167 4 View

Can anyone help me with the problem of hyperelastic coefficients in abaqus?

Hello Everyone, I have done a uniaxial test on rubber and data (attached with the post) has been used in Abaqus to get YEOH's coefficient. But I am getting a warning that it is unstable? Can...

04 February 2021 5,975 3 View

Why according to FRAC (fungicide resistance action committee) phenylamide fungicides application interval should not exceed 14 days?

Why according to FRAC (fungicide resistance action committee) phenylamide fungicides application interval should not exceed 14 days. Anyone know reason behind this strategy

18 January 2021 1,166 3 View

Can you please help with the problem modeling a damper in ABAQUS?

Hello everyone, I am trying to model a damper in ABAQUS. I have obtained hyperelastic properties using a uniaxial tensile test and viscoelastic properties by relaxation test conducted in the...

09 January 2021 4,515 1 View

Is there any relationship/correaltion between 1) elastic modulus and adhesion or 2) elastic modulus and density of solid material or polymers?

21 December 2020 1,853 3 View

Can anyone help me with the constraint between two rods?

Hello Everyone, I am trying to model a wire mesh in abaqus. I have modeled it with 1mm circular cylinder. I want to give a tie constraint to the perpendicular wires. I am unable to find it in...

16 December 2020 3,572 6 View

What are the political factors affecting curriculum design at the primary level in Pakistan?

This Topic I chose for my Thesis in Final Year of my Master's. I am in process of it's completion but need more suggestions and comments for the Topic to elaborate.

14 December 2020 356 3 View

How to convert Time Domain DMA data to prony series?

Hello Everyone, I have Time Domain DMA data of rubber i.e. loss modulus and storage modulus varying with time with constant 1 hz frequency. I need to convert it into prony coefficient. I need to...

09 December 2020 5,211 3 View

How to calculate the replacement cost of battery?

As battery needs to be replaced after the specific charge and discharge cycles mentioned in the datasheet. If we have the time series data of battery power and energy capacity, then how can we...

01 December 2020 3,433 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View

Can I use a likert survey for criterion sampling in a qualitative study or would that make it mixed methods?

I am doing a phenomenographic study on the reading experiences of avid v. Neutral v. Non-Readers. If I use a likert survey to criterion sample for participants, does that make it a mixed method...

09 February 2021 8,594 3 View

How to create the context-mechanism-outcome configuration (CMOc) in the realist methodology?

In the realist methodology (especially by Raymond Pawson et al), the CMOc is a common structure to explain what works, for whom, in what circumstances, and why? I'm always asked about the...

08 February 2021 2,792 1 View

Recommendations for sample size in visual qualitative research (using children's drawings)?

Hi everyone! Asking for a little help, if I may. I am working on a research project, where I aim to analyse children's drawings about Covid-19. I am fairly new to using visual data in qualitative...

07 February 2021 9,530 3 View

How do I create a categorical variable, level of exposure, and a dummy dichotomous, yes-no, variable for the Harvard Trauma Questionnaire Part 1?

I am using the Harvard Trauma Questionnaire (HTQ) Trauma Events scale (original version) that has 17 items (17 different traumatic events) with 4 response options, indicating 4 levels of exposure:...

04 February 2021 1,509 3 View

How to report path analysis / SEM with Yuan-Bentler correction from R output?

Dear all, I am currently writing my master thesis where I am analysizing my data using path analysis and SEM in R (lavaan package). Now that I like to write up my results, I am struggling with...

04 February 2021 8,993 2 View