Solving simultaneous PDEs using FEMLAB

  • Thread starter ukamle
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Homework Statement


I want to solve the following two interlinked (simultaneous) Partial Differential Equations using FEMLAB. The equations are:
[tex]
\[\frac{\partial^2 \psi}{\partial^2 x} = - \frac{q}{\epsilon} p \]
\[p \frac{\partial^2 \psi}{\partial^2 x} + \frac{\partial \psi}{\partial x} . \frac{\partial p}{\partial x} = 0 \]


q = 1.6e-19
\[\epsilon = 3*8.854e-12 \]
[/tex]


Homework Equations


How to Solve using FEMLAB?? or any PDE solver...



The Attempt at a Solution


confused
 

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