Miniemulsion polymerization in organic solvents?

Hello everyone, I want to make some nanoparticles by free-radical copolymerization of some kind of monomers in a Miniemulsion state! However, my monomers are sensitive to hydrolysis by water and I...

22 December 2020 9,648 1 View

How can we remove copper from copper mine tailings, on an industrial scale?

Removing copper from copper mine tailings, to reduce environmental pollution

13 December 2020 2,037 8 View

How to add diode in FSS with the use of S2P file?

Hello I am going to design a unit cell and insert a diode. I downloaded some S2P files for diodes and used the TOUCHSTONE in lumped element section in CST but I found out for every S2P files I...

19 November 2020 5,240 3 View

What are the weaknesses of optimization with response surface module in Ansys ?

Hi All I am using Reponse surface optimization module ( and not Direct optimization) to optimize my model ( mono component , shell , large deformation, static load, static structural analysis,...

16 March 2020 2,396 5 View

How do I create a pilot node in ANSYS APDL in to apply Remote displacement to a plate in 3D?

Hi All I have a plate in 3D shell and want to apply a remote displacement to it where the point of application of the rotation is in its center. normally doing so in Workbench means just simply...

28 January 2020 3,756 1 View

How do I point to my created material in Ansys eng configs using APDL ?

Hi All How do I point to the material I have created in Engieering configs of Ansys ( I also use workbench) How do I point to this created material in APDL code ?

27 January 2020 6,503 3 View

How to define frequency dependent damping in Ansys Harmonic?

Hi All How can I define frequency dependent damping in Ansys ? it seems to be Damping frequency, but I am told that the value I input here, is used only to calculate the stiffness matrix...

02 November 2019 5,310 4 View

How do deal with Abaqus bolts from flexible to rigid ?

Hi All I have a bolted structure, Solid , in Abaqus in NL static analysis. there is a stress concentration on the bolts when the bolts are flexible. but when I turn the bolts to rigid, the...

21 August 2019 9,870 2 View

How can I sketch a curve in Abaqus API having its function?

Hi All I need to sketch a curve in abaqus api having its function. how to do that ?

21 August 2019 3,046 2 View

Is there any study for 3D woven structure in cylindrical shape?

Hi all Is there any study to determine the mechanical characteristics of a 3D woven composite in a cylindrical form ? and is there any specific software that can model it this way ?

30 July 2019 9,554 3 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

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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View