http://www.k-wave.org/forum/topic/code-diverges-when-change-of-density-is-too-large Support for the k-Wave MATLAB toolbox en-US Wed, 13 May 2026 00:07:52 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/code-diverges-when-change-of-density-is-too-large#post-5028 Wed, 01 Apr 2015 14:39:50 +0000 Anthony 5028@http://www.k-wave.org/forum/ <p>Hi Marcel,</p> <p>You may find this topic useful:<br /> <a href="http://www.k-wave.org/forum/topic/a-question-about-the-reflection-at-the-hetrogeneous-media-boundary">A Question about The Reflection at The Hetrogeneous Media Boundary</a></p> <p>Hope it helps :-)<br /> Anthony </p> http://www.k-wave.org/forum/topic/code-diverges-when-change-of-density-is-too-large#post-5025 Sat, 28 Mar 2015 00:19:32 +0000 mremilli 5025@http://www.k-wave.org/forum/ <p>I am simulating a 1D problem where the mass density of the fluid changes by several orders of magnitude between the beginning and the end of propagation from 1.2 to 10^-12 over 150 wavelengths. When doing so the code diverges (whether I use linear/nonlinear, attenuating/lossless propagation). When I impose such changes (with several orders of magnitude) to the wave velocity, the code runs without a problem. Did you ever encounter this problem? Any hint on why the code would diverge on big density changes would be useful.<br /> Thanks!<br /> Marcel </p>