How can I simulate a droplet motion on a digital microfluidic chip using COMSOL Multiphysics??

Hi, I'm trying to simulate a DMF (digital microfluidic) chip in COMSOL Multiphysics 5.5. I used a 2D model and selected two phase flow, level set and electrostatic modules to simulate a droplet on...

26 September 2020 1,392 6 View

General analytical Solution to ODEs with discontinuous excitation?

I am studying mass-spring-damper systems with coulombs friction. There are multiple discussions on simulating such systems using numerical methods and the problems that arise due the discontinuous...

24 July 2020 3,992 3 View

How would i synthesize homogeneous nano-ferro fluid?

I want synthesize nano-ferro fluid by using of Fe2O3 or Fe3O4. Do you think i can forming this homogeneous fluid with this NPs or not? In during synthesize of NPs, should them distribute in...

23 June 2020 3,223 13 View

Is it possible to compare the capacity of batteries which are calculated In different current densities? If yes, how?

In various lithium batteries researchers use different current densities for measuring the capacity of a battery. What is the basis of their decision ? Is it just about the devices they use or...

10 April 2019 2,351 2 View

What can I do when I have Poor CMIN/DF and RMSEA after Data Imputation in AMOS?

Due to missing data, I did imputation in order to access bootstrapping in AMOS .Now I have 3 different model indices fit and outputs for the same data as shown below. Which one do you think is...

20 September 2018 6,901 3 View

Dimensionality of Organizational Commitment?

Based on factor analysis in SPSS, I got these items for organizational commitment. I applied the Allen and Meyer (1990) questionnaire, which consists of three constructs: affective commitment,...

17 September 2018 6,534 4 View

What type of control theories do robotic companies implement on their robots?

I know most industrial robots used PID before but what about now? after all the advancement in the field of control theory and emergence of adaptive control and Sliding mode control, do we still...

06 July 2018 3,677 4 View

How does in-text citation work when you're referring to a manuscript written in another language?

If there are no published translations available for a manuscript, can you translate the excerpt, to which you want to refer to, on your own? If yes will it suffice to mention in the footnote that...

23 July 2017 8,932 5 View

Purification of epsilone -caprolactone prior to polymerization?

I am going to graft PCL chains from the surface of a nanoparticle. I do know that prior to polymerization, drying of epsilon-caprolactone and then vacuum distillation is necessarily needed in...

01 November 2016 7,910 3 View

Is anybody familiar and expert in using excitation emission matrix (EEM) Fluorescence spectrometer ?

13 October 2014 2,664 4 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View