Are there any exception like work hardening in metals elastic limit due to dynamic loading?

The samples made out of spring steel are taken from same lot. The specimens were shaped following heating to forging temperature - Forming- Hardening -Tempering methods. After storage of almost 6...

11 February 2021 952 6 View

Regarding to presentation of pairwise comparison of data?

22 January 2021 8,648 1 View

What is the main advantage of using observer based fault tolerant controller(FTC) for sensor fault tolerance?

I am working on FTC for handling sensor faults in the system. I have read about observer-based FTC schemes which use error threshold-based logic between the states and estimated states. If a...

10 January 2021 5,771 2 View

Can a luenberger observer (even a modified version) be effective for a nonlinear affine system?

I want to know whether a luenberger observer or a modified form of it be effective for estimating the states of a system of the following forms: 1. x_dot = f(x,u,d); y = x 2. x_dot = f(x,u); y =...

20 December 2020 1,392 4 View

How much Tensile strength and hardness can be acheived in Aluminium 7050 MMC with B4C reinforcement?

I have conducted research on characterisation of Al7050 + B4C by electromagnetic stir casting. The alloy employed in the process is casted alloy and the Composite too is casted. How much strength...

16 November 2020 9,226 3 View

Why whitefly prefer not to infest Pigeonpea?

Whitefly, Bemisia tabaci is pest of broad host range. In pulse crops, it generally infests greengram, blackgram and cowpea but not Pigeonpea. There might be some biochemical or morphological...

09 November 2020 9,199 3 View

Can u suggest how to identify the matrix material and reinforcement particle distribution in the MMC of scanning electron miroscopy (SEM) images?

How to identify the reinforcement particle behavior in SEM images

09 November 2020 8,664 3 View

Can someone help me in designing off-MPPT mode in a Standalone DC Microgrid?

I am working on voltage control of a Standalone DC Microgrid consisting of Single PV source, a battery and loads. The PV is interfaced through Buck converter to the DC bus, the battery is...

01 October 2020 7,071 2 View

Modeling pure shear loads in Abaqus?

I am trying to simulate a pure shear loading on a cubical block with a single brick element. While I am simulating the other stress components are not getting zeros. Can anyone suggest to me how...

22 September 2020 7,649 3 View

Can anyone suggest any introductory book on tensor analysis and tensor calculus for continuum mechanics?

I have searched google. But it would be more helpful to get suggestions from personal experience.

14 September 2020 5,426 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 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

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View