Prof. Amr Ramadan

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10 years, 47 days

MaplePrimes Activity

These are replies submitted by amrramadaneg


Thanks a lot.

I find another method 

Dear Kitonum, 

Thanks a lot, I really appreciate your answer. 

But the Maple only plots four points. I need every side of the square consist of 100 points. So I need to discretize the length between any two points of the square to a pair as (x_[i], y_[i]) and plot these point.


@Kitonum   Thanks a lot

@vv Thanks a lot. It works in my program.

@Adri van der Meer Thanks a lot, it works.

@tomleslie Thanks a lot.


@Kitonum Thanks a lot

@Axel Vogt Thanks a lot

@Preben Alsholm Thanks a lot, Your answers help me a lot to find a numerical solution for these system of PDEs.

Really, i am very grateful to you.


@Preben Alsholm 

By choosing the parameter eta<<1. the program gives a good resluts.

I would like to knew how to draw the resluts in three dimension (function, x,t).

@Preben Alsholm Thanks for your reply.

By change the function R(x,t) to its derivatives in x. It works.

But, These equations has a physical meaning and change is not possible here.

@tomleslie : Here is the new image. All the quantities in the matrices are defined.


Here is the Image for the error........

@Kitonum I'm very grateful for you

@Kitonum Thanks Kitonum.

Could you tell me waht are you doing when the displacements are functions of x or y

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