http://www.k-wave.org/forum/topic/source-directivity Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 22:32:10 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/source-directivity#post-4749 Tue, 30 Sep 2014 15:25:05 +0000 ouelletn 4749@http://www.k-wave.org/forum/ <p>I believe this is due to the fact that the underlying equations follow newtons third law, so the generation of a wave in one direction must result in an opposing wave, as seen in your simulations.<br /> One way to eliminate this effect is to take a similar approach to the design of an ultrasound transducer, whereby you create a medium on one side of your source which minimizes the reflection of ultrasound and absorbs the wave propagating into it, preventing reflections inside the structure.<br /> This can also be easily accomplished by placing the source next to the perfectly matched layer in your media, as both are designed to achieve the same effect.<br /> -Andrew </p> http://www.k-wave.org/forum/topic/source-directivity#post-4742 Thu, 25 Sep 2014 11:43:51 +0000 my1co2 4742@http://www.k-wave.org/forum/ <p>The general acoustic environments.</p> <p>I want to make a noticeable only in one direction, the source directivity.</p> <p>If you define the source with u the velocity, gone are made directional dipole source.</p> <p>However, propagation in both directions, because the dipole sources.</p> <p>It also attaches to the wall source method tried. </p> <p>Are there other ways? </p>