how to Calculate Gravity
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Abubakr Mursi
el 26 de Sept. de 2023
Comentada: Dyuman Joshi
el 27 de Sept. de 2023
A Spherical Cavity Of Radius 8 M Has Its Center 15 M Below The Surface. If The Cavity Is Full Of Water And The Surrounding Rock Has A Density Of 2400kg/M3. Calculate The Gravity Anomaly along the surface with a spacing of 5m
write a matlab script to calculate this anomaly and represents it graphically
clear all
close all
clc
r=8;
z=15;
x=0:10:100;
dp=2400;
G=6.67e-11;
for i=1:100;
g(i)=(G*4*pi*(r^3)*z)/(x^2+z^2)^(3/2);
end
plot(x,g(i))
could you help me figur out the mistake?
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Respuesta aceptada
the cyclist
el 26 de Sept. de 2023
Editada: the cyclist
el 26 de Sept. de 2023
You are not indexing into x correctly. Here is one way to fix it:
r=8;
z=15;
x=0:10:100;
dp=2400;
G=6.67e-11;
for i=1:numel(x)
g(i)=(G*4*pi*(r^3)*z)/(x(i)^2+z^2)^(3/2);
end
plot(x,g) % I fixed this, too. Plot the whole vector of g
You don't need the for loop, though:
r=8;
z=15;
x=0:10:100;
dp=2400;
G=6.67e-11;
g=(G*4*pi*(r^3)*z)./(x.^2+z^2).^(3/2);
plot(x,g)
2 comentarios
Dyuman Joshi
el 27 de Sept. de 2023
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