How do I model 3D flow through a pipe and onto a surface?

Hi, I am trying to model air flow through a pipe, that has a smaller pipe inside of it. I also have a heater in an impingement plate on the end of the pipe that the air should cool. How do I...

26 August 2019 6,699 3 View

Is there anyone who works with ImageJ/Skeletonize3D for quantifying microglia morphology from photomicrographs?

I am having some troubles at the end of the analysis and I guess is due to my version of ImageJ 1.45S. Which version of the plugin Skeletonize3D and AnalyzeSkeleton should I use? I have tried a...

05 April 2019 632 2 View

How to view time-averaged data in CFD-Post?

Hi, I am running a transient model in Fluent. I have checked the data sampling box under the run calculation tab. How do I view my time averaged data in CFD-post? I am trying to plot my...

03 March 2019 7,294 10 View

How to fix a skewed mesh in Fluent?

I have generated a sizing and refinement mesh for a 2D model I am working on. The geometry of the model seems to have created a skewed mesh. My mesh size is 0.5 mm. Do you have any suggestions on...

06 January 2019 7,589 6 View

How do I write a UDF for input velocity in Fluent?

I am trying to write a UDF for Fluent 19.1, that simulates a suction and ejection flow from a piston. I am using a sinusoidal function to model this. My UDF will not allow my simulation to...

23 September 2018 2,165 6 View

Is there a way to remove a model that has been applied to a trial without reconstructing and re-labelling the trial in Vicon Nexus?

I am looking at creating my own model using Visual3D, however I made the rookie mistake of not saving a copy of my labelled and gap-filled data without the model applied to the trials. If anyone...

23 October 2016 606 1 View

What is the easiest alternative in removing extractives from coconut shell powder?

we are discouraged to use soxhlet apparatus.

17 July 2015 2,768 8 View

Can someone help me to validate calculating ic50 using raw concentration data and linear regression?

I plotted a concentration -response curve using raw values, followed by linear regression ( y=mx+c) to calculate the ic50, as this is how it is done in literature ( s least for work related to...

16 February 2015 4,948 4 View

Regarding the extraction of Wolbachia in Aedes aegypti mosquitoes, where can I get a positive control of Wolbachia in the Philippines?

Wolbachia DNA extraction in Aedes aegypti midgut.

29 May 2014 7,745 1 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

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View