What is the best numerical procedure for the bingham fluid problem?

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How can I calculate teh crystallinity degree of graphene oxide?

I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...

10 February 2021 6,305 5 View

Hello , is there anyone who can tell me the effect of extrinsic and intrinsic in meshing a structure with a hole on the stress intensity factore SIF?

does meshing the hole or not in the structure has an effect on the value of stress intensity factore KI and KII

17 November 2020 5,628 3 View

Insignificant main effects, but signiciant interaction in 4 X 2 X 5 three-way factorial ANOVA?

I ran a 4 X 2 X 5 three-way factorial ANOVA to explore any viable variance in EI (Emotional intelligence) across the participants' age, gender, and YTEx (years of teaching experience), and found...

21 July 2020 5,654 4 View

What is the optimal way to transform coordinate into grid like map ?

Given a set of longitude and latitude, what is the optimal way to group the data into a matrix n*m where n and m would be respectively the height and depth of the matrix?

26 May 2020 2,045 1 View

Please, how and what equipment is needed to measure the kinetic energy parameter E, which is used to evaluate the rainfall erosivity?

Raindrops falling on the soil

23 March 2020 4,238 3 View

What is the minimum value of the coefficient of determination, which may be acceptable for validating a hydrological model?

Coefficient of determination R^2

12 March 2020 9,745 15 View

What is the recommended tool to assess the quality of case-control studies included in a meta-anlysis?

I am working on a meta-analysis of case-control studies. I used Newcastle-Ottawa scale (NOS) to assess the quality of the studies. I couldn't find a good reference to interpret the results...

08 March 2020 7,961 4 View

Titane dioxide (TiO2) in toothpaste : What is the potential risk of the nanoscale particules?

Ratio of micro/nano particules of TiO2 in toothpaste which could be tolerated

04 February 2020 4,134 4 View

I want to use the ECG-ID Database (310 ECG recordings with annotations). How can I read the .atr, .dat and .hea automatically (matlab for instance)?

I want to use the ECG-ID Database (310 ECG recordings with annotations). How can I read the .atr, .dat and .hea automatically (matlab for instance)? Manually It will take ages using the physionet...

27 December 2018 3,311 2 View

Can you help me with providing a program to calculate PbO vs. ThO2 isochorn?

A computer program for the CHIME age calculation to estimate the isochron age from a dataset of ThO2, UO2 and PbO or Th, U and Pb analyses of Th- and/or U-bearing minerals.

21 November 2018 1,137 3 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View