Prakash Rajendran

12 Questions 20 Answers 0 Followers

Questions related from Prakash Rajendran

How does one give bidirectional woven ply orientation in ABAQUS?

For example , a ply has 0 and 90 orientations, so how to give these orientations in ABAQUS software.

07 August 2014 7,667 3 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...

16 April 2014 1,639 11 View

How to convert .hpf file into .xlsx file?

I have data which is in .hpf format that I am trying to convert .xlsx file. Can any one help me out?

29 March 2014 1,923 1 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.

22 March 2014 6,721 5 View

Could any one tell me about an ASTM standard for a uni-axial tension and compression test for composite materials?

I would like to do the uni-axial test for composite specimen .Kindly let me know the appropriate ASTM standard so that I can proceed further.

30 January 2014 5,874 7 View

What is the physical significance of eigen values of stiffness matrix?

I would like to know about the importance of eigen values of stiffness matrix. Can anyone explain them to me clearly?

25 September 2013 1,378 9 View

How do I model the crack on composite beam with ABAQUS Software?

I wish to model the crack on composite beam using ABAQUS software. Can anyone tell me the procedure?

18 August 2013 9,998 2 View

Can anyone suggest good material about Rational Fraction Polynomial (RFP) modal parameter extraction method?

Modal parameters that need to be extracted from experimental modal analysis. So I want to use RFP method because it deals with multi FRF signal which suited for SIMO and MIMO method. If any of...

30 July 2013 6,183 2 View

Does average of FRF 'n' no of measurement data at nodal point of each mode used to reduce the noise effect ?

In modal analysis , most of the researchers are following the average of 'n' FRF measurements to reduce the noise. Is this correct?

29 July 2013 8,627 1 View

How to overcome the boundary condition problem in the experimental modal analysis?

I am doing experimental modal analysis on cantilever beam model . Natural frequency changes due to boundary conditions changes at every instant which affects the characteristic of structure.This...

26 July 2013 1,519 5 View

Is it correct to average data of FRF from the experiment?

When we take several trials and take their average, is it better to remove noise effect in the FRF measurements or put all the data together and use control limit to remove the outliers?

16 July 2013 207 1 View

Can someone advise on whether it is correct to use the cubic spline interpolation in order to get more data points in the measured mode shapes?

I have measured the mode shapes using rowing hammer method, but I have only 15 data points for 450 mm length of the beam. It is insufficient to find higher order mode shapes. My question is '' is...

30 June 2013 1,591 2 View