If strength increases does elongation also increase?

If I prepare a composite where the strength and elongation increases. Since the hardness increases with the increase in strength and increase in hardness led to increase in brittleness. As we see...

11 December 2014 394 8 View

Can I use brittle material theory (max principle stress theory) for selecting brittle material in FEM?

If I use von mises theory (VMT) and max principle stress theory (MPST) for the same geometry the maximum allowable stress obtained from VMT is two times of MPST. Hence if i select the brittle...

11 December 2014 9,830 6 View

How to give the external force in lagrangian dynamic equation formulation in multi body dynamics?

Since the external force depends on the generalized coordinates how to give the torque acting at different point in the system?

09 October 2014 5,363 7 View

Can I predict the Young's modulus and Flexural Modulus of the MWCNT nanocomposites using Halpin Tsai equation?

Can I predict the Young's modulus and Flexural Modulus of the MWCNT nanocomposites using Halpin Tsai equation? or using the single equation by only changing the Modulus value

09 October 2014 2,442 2 View

In Simulink matlab what are the two inputs to be given for atan2?

In Simulink matlab what are the two inputs to be given for finding atan2? My objective is to find taninverse of Y?

08 September 2014 5,044 2 View

How to measure the Young's modulus and tensile strength of MWCNTs?

How to measure the Young's modulus and tensile strength of MWCNTs? I got these values from literature however i am interested to know about the measurement technique

08 September 2014 2,721 0 View

Why does the percentage enhancement of tensile strength, young's modulus and elongation not match with each other in case of nanocomposites ?

Why the percentage enhancement of tensile strength, young's modulus and elongation doesn't match with each other in case of nanocomposites for a particular wt percentage?

07 August 2014 6,378 7 View

Why the nanoparticles are still in research and not used in different applications?

Why the nanoparticles are still in research and not used in different applications?

07 August 2014 8,985 0 View

What is the background idea, logic and understanding, while solving second order ODE using ode45 in Simulink-Matlab?

What is the background idea, logic and understanding happen while solving second order ODE using ode45 (Simulink-Matlab)?

07 August 2014 3,979 2 View

What is the physical meaning and advantage of giving clock with simout(workspace) in matlab simulink?

07 August 2014 6,527 3 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

Please. Could you help be in implementing Fractal Discrete Cosine Transform algorithm in Matlab?

I do need the Matlab code of Fractal Discrete Cosine Transform (FDCT). Can anyone who has already implement this code, help me with the implementation of this transform?

24 February 2021 5,602 2 View

D2D implementation in Matlab in Vienna LTE software?

Hi Hope you are well. Can you please share your code for D2D implementation in Matlab. I want to implement D2D in Matlab based Vienna simulator and struggling to deploy D2D. Thanks

24 February 2021 9,378 3 View

Multi effect distillation modeling in EES?

Dear colleagues If anyone has a model of multi-effect distillation in EES or MATLAB software, please send it to me.

24 February 2021 7,282 1 View

What program can I use to caclulate dipole moment efficiently and without the need of excessive computation?

Hi, I am a third year chemistry undergrad doing my group project in which I need to predict the HPLC retention time of 20 aromatic molecules. to do this we require the chemical properties of these...

24 February 2021 1,384 3 View

Does anyone ever solved this following Matlab error : "Error using imaqdevice/start (line 95) pointgrey: Failed to stop the camera acquisition." ?

I use Matlab 2014b to capture some images with a PointGrey camera connected with USB3 port. I initialize the camera in a function which basically execute these followed lines : vid =...

22 February 2021 6,386 1 View

How to build fouling and erosion simulation model for Aero Engine compressor and turbine rotor in Simulink / Matlab?

How to build fouling and erosion simulation model for Aero Engine compressor and turbine rotor in Simulink / Matlab?

22 February 2021 3,697 1 View