In opensees is the ReinforcingSteel material sensitive to units of measure?

20 January 2021 7,043 2 View

How do I organize items to repeated surveys for quantitative and qualitative analysis?

Hello fellow researchers! Newbie here :) I created a survey with open-ended and Likert-type questions. The survey was administered nine times to the same people using google forms. I plan to...

01 January 2021 3,921 3 View

Is there a better library or function for plotting CFA with many observed variables in R?

Hello! I'm kind of new in using R for doing EFA, CFA, and SEM. I just followed a guide to perform CFA on my data to see how my context fits the ITC-SOPI model in a VR photo-based tour. I used...

23 December 2020 1,679 2 View

Best way to validate CRISPR-Cas9 editing efficiency?

I'm trying to obtain genetic KO in my cell line of interest using Lentiviral-mediated CRISPR-Cas9 delivery system. I would like to test more than one unpubblished sgRNA targetting a couple of...

10 August 2020 1,324 4 View

How to convert .txt into plink files (ped/map or bed/bim/fam)?

I have a huge oncoarray_genotype_XXXX.txt file with 11.7 GB size. I would like to convert this file into adequate files for analyzing in plink software. However, I could not find how to conduct...

08 July 2020 9,302 2 View

Fluorescence labeled antibody?

Hi all, I have a small question for you. Is there any fluorescent labeled antibody available which emits the fluorescence only if bound to substrate? So the unlabeled version does not emit any...

19 March 2020 5,715 2 View

How to evaporate Methyl Acetate, and purge added Ethanol?

To use an inhibitor, prepared and sold in a methyl acetate solution, I need to evaporate the aforementioned solvent and exchanging to ethanol or DMSO. I will do that with a gentle nitrogen stream....

01 March 2020 6,947 3 View

SPSS, data with 5 replicates. How to generate the variables-data sheet?

I am trying to analyze some results obtained from lipidomics. The experimental setup was as follows: 5 replicates, 3 conditions (1 control, 2 treatments). I have thus 5 numerical values per each...

08 January 2020 3,526 3 View

How to solve multicollinearity problem in mixture design?

Due to its own nature mixture design models (mainly with interactions) presents multicollinearity problems, some authors declare that a combination of forward stepwise and step backward stepwise...

05 January 2020 1,136 3 View

Tools for measuring patient experience in real practice?

I am interested in different tools that have been implemented in real practice for measuring patient experience (not patient satisfaction), for instance in Spain a questionnaire called IEXPAC is...

02 December 2019 6,609 8 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

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

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View

Please can i get topic and materials that will relate computer with telecommunication companies?

I am a master student and i am working on my research, so I am a bit confuse don't really know how to match computer with telecommunication as a topic

28 February 2021 7,039 6 View