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source:
issm/trunk/src/m/model/outflow.m@
8298
| Last change on this file since 8298 was 8298, checked in by , 14 years ago | |
|---|---|
| File size: 259 bytes | |
| Line | |
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| 1 | function flag=outflow(md); |
| 2 | |
| 3 | A=md.segments(:,1); |
| 4 | B=md.segments(:,2); |
| 5 | Nx=-(md.y(A)-md.y(B)); |
| 6 | Ny= md.x(A)-md.x(B); |
| 7 | Vx=(md.vx(A)+md.vy(B))/2; |
| 8 | Vy=(md.vy(A)+md.vy(B))/2; |
| 9 | |
| 10 | %dot product |
| 11 | VdotN=Vx.*Nx+Vy.*Ny; |
| 12 | |
| 13 | flag=zeros(md.numberofnodes,1); |
| 14 | flag(A(find(VdotN>0)))=1; |
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