I want to calculate the orientation distribution of non spherical particles in a packed bed from the coordinates x, y and z and radii of the particle.

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AASHNA SUNEJA 2022-6-30

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回答： Anurag 2023-11-26

I want to calculate the orientation distribution of non spherical particles in a packed bed from the coordinates x, y and z and radii of the particle. The results can be ploted in histogram or at the different planes X-O-Y, X-O-Z , Y-O-Z plane. The sample plots are attached along this question. I am new to coding so dont know how to proceed with this problem.

Thanks in advance

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Answer 1

Anurag 2023-11-26

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Hi Aashna,

I understand that you want to calculate the orientation distribution of non-spherical particles in a packed bed from coordinates and radii of the particles.

It can be done in the following way:

Load your data and calculate orientation for each particle based on its coordinates. Orientation might be represented by angles or vectors.
Create histograms to represent the orientation distribution.
Plot the particle orientations on different planes using scatter plot or visualization techniques.

Refer to the code snippet below to implement the steps above:

load('particle_data.mat');
theta = rand(size(x)) * 2*pi; % Replace this with your actual calculation 
% Plot histograms 
figure;
% Histogram of orientation angles
subplot(2, 2, 1);
histogram(theta, 30, 'Normalization', 'probability');
title('Orientation Distribution');
% Scatter plot on X-O-Y plane
subplot(2, 2, 2);
scatter(x, y, [], theta, 'filled');
xlabel('X');
ylabel('Y');
title('X-O-Y Plane');
% Scatter plot on X-O-Z plane
subplot(2, 2, 3);
scatter(x, z, [], theta, 'filled');
xlabel('X');
ylabel('Z');
title('X-O-Z Plane');
% Scatter plot on Y-O-Z plane
subplot(2, 2, 4);
scatter(y, z, [], theta, 'filled');
xlabel('Y');
ylabel('Z');
title('Y-O-Z Plane');