How to apply a voltage sinusoidal/harmonic load in ANSYS APDL?

Hello all, I want to simulate a Dielectric Elastomer Actuator DAE (an electrostatic-Structural analysis). I want to apply various voltages and frequencies into the DEA in the form of sine wave....

13 February 2021 3,261 3 View

Warning in Lavaan, variance-covariance not positive definite!, model is not identified?

Dear colleagues, I am new to R, I have been using Amos for conducting CFA but came to learn that when dealing with Likert scale, Lavaan in R is a better tool to do such analysis. I started using...

30 December 2020 5,608 3 View

Samples of survey questions?

24 May 2020 7,998 3 View

How to identify Microplastic polymers extracted from biota samples ?

It is suggested that FTIR or Raman spectroscopy is quiet useful to identify Microplastics extracted from samples. But when fibers are microscopic in size , then technical issues rises. For FTIR, a...

08 January 2020 1,312 4 View

How do I quantify the level of reactive oxidative stress in arthropods?

I will like to determine the level of various reactive oxygen species produced from ticks as part of an experiment. Considering the unstable nature of different ROS and their ability to dissociate...

08 January 2020 3,773 3 View

Does it possible to use health institution antibiogram for another health institution in the same city?

I have inquiry about using the results of antibiogram and its antibiotic policies in certain health institution interchangeably with another health institution in the same city or every health...

19 September 2019 7,708 8 View

Help with COMSOL Multiphysics?

Please can anyone help with COMSOL. I am trying to simulate gas storage in a porous media but I am at a loss on how to go about it especially how to input my mass balance, momentum and energy...

30 July 2019 1,453 2 View

How to use SmartPls for structural equation modeling?

I want to conduct partial least squares structural equation modeling for my research in SmartPls software . So, is there anyone who provides me the step by step guide of conducting SmartPls...

28 May 2019 3,292 4 View

An excel question; how to select different cells that are in one column among thousands of cells?

20 January 2019 5,001 2 View

Can ANSYS solve on multiple geometries at the same time?

I have 30 different geometries that will be subjected to the same fluid flow physics. Can i solve all at the same time in ANSYS workbench instead of each separately?

01 July 2018 9,685 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 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

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 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

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View