Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

Does heat in goat affected by feeding or BCS of the animal?

Does feeding affect heat in animal? if we were to add a specific feed (with data on dry matter content), how can we correlate feeding to estrus?

10 January 2021 9,719 13 View

Why the presence of surface active compound repress the mass spectra of other compound? If the sample is itself surface active, then self repression?

I am assuming the resulting insertion/agglomeration in the presence of a surfactant or the agglomeration of surfactant may reduce the rate of ionization. The mobility of the ion may also be...

07 January 2021 987 5 View

What are various Thermal Insertion Materials?

I am working on a project of heat Sink. What are different insertion / filling materials I can use? Suggest some material about it. Thankyou

28 December 2020 728 3 View

How to prepare methylcellulose based semisolid media for cell culture?

Does anyone know how to prepare methylcellulose-based semisolid media for cell culture? Which one to use 15cp or 1500cp?

10 December 2020 5,266 2 View

What are all the criteria for the occurrence of Lunar Eclipse?

I have read the maximum limit of Lunar Eclipse is 12.2 degrees of arc (i.e. the difference in the longitude between Moon and any one node of the Moon). However on on June 5th 2020, a partial Lunar...

27 August 2020 986 5 View

What is the need to run the optimization code for multiple times? What will be the outcome for this multiple runs?

Dear all, I have to know what is the need to run the optimization code for multiple times... For example, I m implementing a new variant optimization algorithm, I am setting maximum number of...

19 July 2020 6,004 4 View

Can anyone know how to do 1D ground response analysis using COMSOL multiphysics 5.4 ?

I want to compare results of 1D ground response analysis of DEEPSOIL and COMSOL

05 July 2020 3,014 2 View

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16 June 2020 2,168 1 View

What is the current status on regulatory approvals of COVID-19 vaccines?

What is the current status on regulatory approvals of vaccines meant for COVID-19 according to USFDA, EMA, TGA, etc?

10 June 2020 7,582 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to get started building and analyzing a UTAUT model?

Hello all, I need help getting started building and analyzing a UTATU model. I have a survey ready with some questions but I had some confusions on UATAUT and on how to analyze the data. I will...

02 March 2021 9,271 1 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

How to run Cross-lagged panel Design on AMOS?

25 February 2021 3,126 1 View

I'm using AMOS for SEM--Why does my chi-square value change when I specify groups?

My study involves 2 groups (Black and Latinx participants, N=816). I've run my structural equation models with the data all together and will get a completely different chi-square when I specify...

22 February 2021 9,342 4 View

How can we estimate sample size for a moderated mediation analysis with more than two mediators?

How can we estimate sample size for a moderated mediation analysis with more than two mediators? I am looking for scripts, macros, syntaxes, that allow us to estimate sample sizes for research...

15 February 2021 6,813 3 View

What does it mean if in mediation analysis the indirect effect is significant but is a larger b value than that of the direct effect?

I understand that for partial mediation to have occured the CI for the indirect effect must not cross zero and the b value for the indirect effect should be smaller than the b value for the direct...

14 February 2021 3,273 7 View

Are negative valued indicators allowed in SEM?

Hello, Using secondary and continuous data, i am trying to run a SEM with two latents. One indicator has both negative and positive values. Is it wrong? (I am gonna run the model in AMOS) Thx on...

14 February 2021 2,801 8 View