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Acceleration boundary condition inside a shell

Posted 2009年8月7日 GMT-4 03:08 0 Replies

pekka makkonen
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I am trying to simulate pressure acoustics inside a shell. The acceleration boundary condition is defined as

a_n = -(nx_smsh*u_tt_smsh+ny_smsh*v_tt_smsh+nz_smsh*w_tt_smsh)


When I try to solve the problem an error occurs:

Error: 6250
Failed to evaluate variable Jacobian
- Variable: nz_smsh
- Geometry: 1
- Dimension: 2
- Domains: {1,3,4,18}

What am I doing wrong?

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0 Replies Last Post 2009年8月7日 GMT-4 03:08
COMSOL Moderator

Hello pekka makkonen

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