Do you agree that putting questions is the half of the science ? This lesson ca be taken from the history of Newton and the Apple ?

To be a good researcher or an expert, you should be curious , like Newton, when He noticed that an Apple fell on the ground, he asked Why did it happen? what are the causes of this fall ? What is...

03 April 2019 988 2 View

How works Adam optimization algorithm for Back Propagation Neural nework ?

Please to give me the definition of Adam optimization algorithm for neural network. Also, I would to know how it works this algorithm and if it updates automatically learning rate and mementum term.

03 April 2019 3,525 6 View

What are the limitations of the Firewall implemented in Computer network ?

What are the limitations of the Firewall implemented in Compter network ? It is suffisant to assure security of computer network ? Who to add to it in order to enhance security ?

03 April 2019 9,131 2 View

Is Adam optimization algorithm for neural network updates automatically learning rate and mementum term during learning process ?

Is Adam optimization algorithm for neural network updates automatically learning rate and mementum term during learning process ? I need the response.

03 April 2019 885 1 View

What are the negative effects of social networks on children? How to protect them?

What are the negative effects of social networks on children? How to protect them?

03 April 2019 1,990 2 View

What is the fourth technological revolution Industry 4.0 ? What is its characteristics ?

What is the fourth technological revolution Industry 4.0 ? What is its characteristics ?

03 April 2019 4,330 2 View

Algorithms inspired form animals and insects to enhance security of computers networks and information systems ?

As animals and insects have wonderful security strategies to defend against adversaries, can we learn from them and inspiring some algorithms to enhance security of computers networks and...

03 April 2019 8,136 3 View

How can we protect our children from non-beneficial videos on Youtube?

How can we protect our children from non-beneficial videos on Youtube?

03 April 2019 1,471 2 View

Can the scientifics in future build a robot that can learn any language itself like a child depending on its environment ?

Children are born with innate abilities, which allow them to learn their parents' language by themselves. Can we implement these capabilities in the robots of the future? will they be able to...

03 April 2019 276 6 View

How to determine the number of hidden layer in a deep neural network ? Is there some optimization algorithms that can do that automatically ?

How to determine the number of hidden layer in a deep neural network ? Is there some optimization algorithms that can do that automatically ?

03 April 2019 9,590 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

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

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