http://www.k-wave.org/forum/topic/adjusting-grid-size-of-ultrasound-b-mode-linear-transducer-example Support for the k-Wave MATLAB toolbox en-US Wed, 13 May 2026 11:22:46 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/adjusting-grid-size-of-ultrasound-b-mode-linear-transducer-example#post-7228 Wed, 12 Feb 2020 16:02:54 +0000 Bradley Treeby 7228@http://www.k-wave.org/forum/ <p>Hi ag9217,</p> <p>You will also need to increase the number of grid points in the x-dimension by the same factor. Otherwise, the calculated grid spacing <code>dx</code> will be too large to support the frequency of the source.</p> <p>Brad. </p> http://www.k-wave.org/forum/topic/adjusting-grid-size-of-ultrasound-b-mode-linear-transducer-example#post-7198 Sun, 26 Jan 2020 00:46:14 +0000 ag9217 7198@http://www.k-wave.org/forum/ <p>Hi,</p> <p>I have been trying to change the grid size in the x-direction in the "example_us_bmode_linear_transducer" from x = 40e-3 to x = 100e-3. However, when I run the simulation both my b-mode and harmonic images are black. Are there any other parameters I need to change in order for larger grid size values to work? </p> <p>Any help is appreciated! :) </p>