http://www.k-wave.org/forum/topic/2d-array-simulations Support for the k-Wave MATLAB toolbox en-US Wed, 13 May 2026 01:09:04 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/2d-array-simulations#post-8374 Thu, 16 Dec 2021 11:07:55 +0000 Bradley Treeby 8374@http://www.k-wave.org/forum/ <p>Hi Noora,</p> <p>When using <code>kWaveArray</code> you can have as many elements as you like in any position and orientation. So one way would be to have a double for loop over x and y positions, and use <code>addRectElement</code> to add them to the array.</p> <p>Brad. </p> http://www.k-wave.org/forum/topic/2d-array-simulations#post-8328 Sun, 17 Oct 2021 04:42:48 +0000 Noora 8328@http://www.k-wave.org/forum/ <p>I am new to kwave and planning to model a 2D array transducer of 32x32 element and I am a bit confused as most of the examples are for the 1D array can you check my code as the transducer is my sensor and grid size is 192x192x192 and dx=0.73 mm, my pressure source is varying with time. The code below is for 1D array how to generalize it for 2D array?</p> <p>% create empty array<br /> karray = kWaveArray;</p> <p>sensor_focus = 100e-3; % focal length [m]<br /> element_num = 32; % number of elements<br /> element_width = 3.65e-3; % width [m]<br /> element_length = 3.65e-3; % elevation height [m]<br /> element_pitch = 0.2e-3; % pitch [m]</p> <p>% set indices for each element of the array transducer<br /> if rem(element_num, 2)<br /> ids = (1:element_num) - ceil(element_num/2);<br /> else<br /> ids = (1:element_num) - (element_num + 1)/2;<br /> end</p> <p>% create empty kWaveArray<br /> karray = kWaveArray('BLITolerance', 0.05, 'UpsamplingRate', 10);</p> <p>for ind = 1:element_num</p> <p> % set element y position<br /> x_pos(ind) = 0 - (element_num * element_width / 2 - element_width / 2) + (ind - 1) * element_width;</p> <p> % add element (see note in header)<br /> karray.addRectElement([x_pos(ind), 0, kgrid.z_vec(1)], element_width, element_length,[0,0,0]); </p> <p>end</p> <p>% assign binary mask<br /> sensor.mask = karray.getArrayBinaryMask(kgrid); </p>