What is the best antimicrobial agent among metal oxides?

I am looking for an antimicrobial metal oxide agent for a polymeric implant and I am wondering which one is the best?

21 January 2021 7,068 5 View

Detection of insect eggs in stored and processed products?

Currently, in order to identify insect eggs in stored or processed products (such as contaminated flour or wafer samples), staining was performed based on the method mentioned in the below...

15 January 2021 6,362 5 View

Why pathlines keep changing their patterns?

Hello, I am using ansys fluent to simulate a steady state phenomenon, even though the residual curves are absolutely flatten, pathlines keep changing their patterns over more iteration. I was...

12 November 2020 2,231 3 View

How to simulate fracture in the axle housing ?

Hey there, I want to simulate & analyze the fracture and fatigue (crack growth) in the rear axle housing of heavy tracks (Volvo company) in Abaqus. My question is which method is suitable for...

12 November 2020 3,377 3 View

Do you think Corona-virus (COVID-19) will lead to a new age of environmental behaviors?

It seem individual's attitude to environment are changing rather than last year due to corona virus issues and challenges. What do you think?

27 August 2020 6,394 17 View

How can I request a transimtted force between two nodes when I use tie constraint in ABAQUS?

Dear all, I have used a tie constraint in ABAQUS to attach two surfaces. the meshes of both surfaces are compatible so in front of every node of surface-1 is a node of surface-2. thus the force...

24 May 2020 9,890 3 View

To what extent, the number of people infected by Corona-virus (COVID-19) in a country can determine the level of disaster resiliency in that country?

I want to know if coronaviruses are considered as fixed variable entered in every country, can level of resiliency of that country be determined by the number of infected and dead people?...

22 March 2020 1,120 14 View

Can Corona-virus disease (COVID-19) be an opportunity to increase people sensitivity to the global crises such as climate change?

These days, people are discussing about pro-environmental and protective notions in their life all over the world. It seems this level of consideration should be navigated to a sustainable path....

19 March 2020 1,190 59 View

Why people perceive Corona-virus disease (COVID-19) more different than other global crisis such as climate change?

It is important for me that in what ways understanding of crisis leads to do some actions.

09 March 2020 7,731 38 View

Does it matter to melt a glass composition from room temperature?

In the case of making a glass, do we get different results in terms of structure, properties and etc. if we: 1- heat the mixed raw materials from room temperature to the desired temperature ,...

22 February 2020 2,867 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 is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 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

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