Thermo-physical properties of lead shots (balls) with function of temperature?

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How does change in excitation current cause change in output voltage in RTD sensor like silicon diode?

Currently I have prepared a circuit which gives me constant current source of 10 micro ampere. 2 Volt DC source and 200 k Ohm resistor in series. What if the output volt of DC power supply...

05 June 2016 7,242 4 View

Why FEM is not so popular for fluid flow involving heat transfer problems?

Currently FVM is most popular method to solve fluid flow involving heat transfer problems and related physics. On the other hand, FEM is mostly suitable and popular for structural analysis.

06 July 2015 7,634 0 View

What is the meaning of numerical diffusion?

What is the meaning of numerical diffusion? How to reduce or avoid it?

04 May 2015 7,981 3 View

Which are the stable iterative numerical methods?

Currently I am using Gauss Siedel Iterative method to solve CFD equations. I am facing instability problem i.e. iterations keep on increasing without change in rms value for a given variable such...

11 December 2014 9,064 14 View

What is the difference between charged pressure and mean pressure for cryocoolers?

I normally read the terms viz. charged pressure and mean pressure while browsing cryocoolers research papers. I do not understand what is the actual difference between them? How do both differ...

08 September 2014 8,380 4 View

How to solve instability issue of a numerical code based on finite volume method?

I am doing numerical modeling of pulse tube cryocooler (with oscillating pressure and temperature) with finite volume method. I have successfully implemented it with implicit scheme by use of...

07 August 2014 4,284 34 View

How to do data management while doing numerical investigations?

Currently I am doing numerical analysis of pulse tube cryocooler and dealing with various parameters keeping others constant. I am saving data of each set in my computer date wise. I want to know...

04 May 2014 8,339 1 View

What is the difference between flow coefficient and discharge coefficient for a needle valve?

I will be using a needle valve for my practical setup of project work. It is based on pulse tube cryocooler. I need to calculate the coefficient of discharge for needle valve for report purpose....

04 May 2014 7,367 7 View

Can we use the shooting method for first order equations?

I am currently doing numerical analysis of GM type Pulse Tube Cryocooler. Governing equations are a system of boundary value problems and one need to use shooting method to solve it (as per one...

02 March 2014 4,915 1 View

Can anyone help with cycle averaged mass flow rate for cyclic simulation of pulse tube refrigerator?

I am currently working on 1-D numerical simulation of pulse tube refrigerator. The governing equations are given in attachment. I have plotted results showing mass flow rate over the cycle (mass...

02 March 2014 1,092 0 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

Why does my protein refolded to beta sheet during thermal denaturation analysis?

Hi! So i attempted to understand a novel protein behavior towards heat application by analyzing its secondary structure change. I subjected the protein to a thermal denaturation analysis using...

06 August 2024 1,989 3 View

What is the prepared reference material that can be used in inductively coupled plasma optical emission spectrometry (ICP-OES) to measure REE and U ?

What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...

06 August 2024 1,896 1 View

Please explain how the plastic input value should be considered from the true stress-strain curve for the bilinear elastoplastic material model ?

I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...

05 August 2024 454 3 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 1 View

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

Ternary in Electrical Engineering?

Dear Research Community I would like to invite Elctrical Engineering specialists to solve problems related to Ternary Algebra or tripple sets I have an algorithm that places in relation three...

28 July 2024 5,771 2 View