Can anyone suggest me an economic laser vibrometer which can measure the accurate mode shapes of the simple structure?

I wish to buy a economic (cost effective) laser vibrometer to measure the precise mode shapes of the structure. Can anyone suggest me other than polytec laser vibrometer.

10 November 2017 7,309 4 View

Does anyone have MATLAB Code for shearlet Transform?

I need a MATLAB code for shearlet transform to perform the analysis of tilted features in images.

07 August 2017 2,418 5 View

How to solve fourth order ODE equations numerically?

06 July 2017 8,461 1 View

What is the expression for torsion vibration of thin plates?

I want to calculate shear modulus 'G' through the vibration method. Once I get natural frequency corresponding to torsional mode then I'll use it for the expression in order to find G.

09 October 2014 3,954 7 View

How does one give bidirectional woven ply orientation in ABAQUS?

07 August 2014 2,145 4 View

Is there any authenticate website to know about Impact factors of the engineering journals?

07 August 2014 1,233 2 View

How can I check the closeness of normal distribution?

I have data points that I want to check the closeness of normal distribution. So I can use ''hist'' function in MATLAB, but I need a coefficient which tells how closeness to the normal...

03 April 2014 1,445 13 View

Can I use six sigma method as threshold value for damage identification problems?

Is there any standard practices are available to use threshold value in the damage identification problems. If anything is there, kindly let me know.

02 March 2014 9,208 5 View

How do you avoid edge effects in wavelet transform?

I have a signal I would like to pass through the WT. I am very much interested in detecting the singularity in the signal but I found peaks at the edge.

02 March 2014 8,119 3 View

How to get reliable natural frequency when I repeat the vibration test for several times?

Basically, I am trying to detect damage on beam structures for a cantilever support. Suppose, I am measuring first natural frequencies from the experiments at several times of undamaged state of...

01 February 2014 2,094 6 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 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

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View