http://www.k-wave.org/forum/topic/simulating-curved-transducers Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 23:08:04 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/simulating-curved-transducers#post-8759 Wed, 17 May 2023 18:58:32 +0000 Bradley Treeby 8759@http://www.k-wave.org/forum/ <p>Take a look at the new kWaveArray class and <a href="http://www.k-wave.org/documentation/example_at_piston_and_bowl_transducers.php">related examples</a> in v1.4. </p> http://www.k-wave.org/forum/topic/simulating-curved-transducers#post-8703 Wed, 08 Feb 2023 09:59:56 +0000 aduer 8703@http://www.k-wave.org/forum/ <p>Hi,</p> <p>I am currently working on my bachelor thesis on focused ultrasound. Now I take the example "defining transducer" with the "Transducer-class" as a basis, the problem is that I cannot change the radius. Now I wanted to ask how and whether I can rewrite the "Transducer class" in such a way that I can change the radius and simulate a curved transducer with the kwave transducer class.</p> <p>Best regards,<br /> Alex </p> http://www.k-wave.org/forum/topic/simulating-curved-transducers#post-6683 Sun, 09 Dec 2018 21:36:24 +0000 Bradley Treeby 6683@http://www.k-wave.org/forum/ <p>Hi Archana,</p> <p>The <code>radius</code> input of the <code>makeBowl</code> function is equivalent to the focal length. The <code>focus_pos</code> input doesn't change the shape of the bowl, just the direction that it is pointing in the grid. The same holds for <code>makeArc</code>.</p> <p>Brad. </p> http://www.k-wave.org/forum/topic/simulating-curved-transducers#post-6669 Sun, 02 Dec 2018 08:33:46 +0000 Archana 6669@http://www.k-wave.org/forum/ <p>Hello</p> <p>Please could you tell me how to simulate the following parameters for a curved ultrasound transducer:<br /> "The ultrasound transducer used is a custom designed single-element focused transducer (Blatek, Inc., State College, PA) having a center frequency of 0.5 MHz, a diameter of 30 mm, and a focal length of 30 mm."<br /> (Reference: <a href="http://iopscience.iop.org/article/10.1088/1741-2560/13/5/056002/meta#jneaa3149s2)" rel="nofollow">http://iopscience.iop.org/article/10.1088/1741-2560/13/5/056002/meta#jneaa3149s2)</a></p> <p>I tried using the "Simulating the transducer field patterns" example related to the k-wave toolbox but makeArc or makeBowl functions requires an input of a focus point rather than the focal length.</p> <p>Thank you</p> <p>Regards<br /> Archana </p>