Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

3d Electric field

Status
Not open for further replies.

danielp0

Bioengineer
Jul 4, 2005
7
Hi there...
I'm trying to simulaate an elesctric field in 3D. I'm using certain assumtions... like the fact that this formula is correct

qx=k*Q(4)*(Q(1)-P(1))/(distance(Q,P)^3);
qy=k*Q(4)*(Q(2)-P(2))/(distance(Q,P)^3);
qz=k*Q(4)*(Q(3)-P(3))/(distance(Q,P)^3);
q=k*Q(4)/(distance(Q,P)^2);
e = [qx qy qz q];

this is the function that calculates the charge at each point in the 3d array.
there are muliple charges in the space, so this function is run for each point in respect to each of these charges, and then gets added up(that's another assumption I have made that just adding it up will work)

however when I run it I get slightly different results from what I really want.
I get something like this

where I would expect the charges to be in the middle of the field.
anyone know what I'm doing wrong ?
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor