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

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

How the values of errors can be calculated for thermodynamic data?

I have calculated thermodynamic parameters for surfactant solutions in aqueous and mixed alcoholic solvents. I want to calculate the value of errors in the data and represent it in the table along...

22 February 2021 239 2 View

Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?

Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?

17 January 2021 5,522 3 View

How can I get oil properties in 300-30000K temperature range?

I need thermophysical and electrical oil properties to investigation of DC discharge in oil. Are multicomponent mixture models effective and precise in such calculations? If yes, what MC-modells...

04 January 2021 9,080 8 View

Can anyone help to get ansys-fluent tutorial zip files ?

I need the following tutorial zip files to learn the basics of the software: Using sliding and dynamic meshes Modeling solidification Using the Eulerian Granular Multiphase Model with heat...

03 January 2021 5,571 5 View

The > 91 Years long collective IQ Blunder ?

Never before was there a bigger blemish. Namely: Not to collectively underastand Zwicky's discovery of Cryodynamics, as his sister to deterministic Thermodynamics came to be called later. Dec....

30 December 2020 8,300 5 View

How to rectify the miscomputation of Pressure and Continuity in HVAC CFD Simulation Using OpenFOAM?

I'm using OpenFOAM to run a CFD study of thermal comfort within a hall. I'm using OpenFOAM v1912 and BouyantBoussinesq(Simple&Pimple)Foam solver. eI have 6 inlets and outlets each with specific...

21 December 2020 1,303 3 View

The saturation point does not reach in my ITC. Does this indicate that the interaction is weak or there is no interaction?

21 December 2020 9,407 8 View