<div dir="ltr"><div>Hi,</div><div><br></div><div>I'm setting a 3D box to perform natural convection problems in a closed cavity. After trying several method i can't manage to define a zone with a variable temperature perturbation in the usrchk() routine.<br></div><div><br></div><div>Let's say, that temp = temp + A*sin(w*time) in a square of boundaries [x_min, x_max] x [y_min, y_max] x [z_min, z_max] for x, y, z.</div><div><br></div><div>Any advice for implementing this?<br></div><div><br></div><div>Regards,<br></div><div><br></div><div><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><b>Nicolás Andrés Órdenes Leiva</b><div><b><br></b><div><div>Estudiante de Ingeniería Civil Mecánica</div><div>Universidad Técnica Federico Santa María</div><div>Tel: +56 9 7619 2857</div></div></div></div></div></div>
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