http://www.k-wave.org/forum/topic/regarding-use-of-kwavetransducer-class-as-source-for-kspacefirestorder3d Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 23:07:59 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/regarding-use-of-kwavetransducer-class-as-source-for-kspacefirestorder3d#post-8663 Fri, 11 Nov 2022 12:06:40 +0000 Bradley Treeby 8663@http://www.k-wave.org/forum/ <p>If you open the code <code>kspaceFirstOrder3D</code> you can see where the transducer source is applied on line 889 (v1.4.0). The scaled source term is added to the x-component of the particle velocity. </p> http://www.k-wave.org/forum/topic/regarding-use-of-kwavetransducer-class-as-source-for-kspacefirestorder3d#post-8660 Wed, 09 Nov 2022 12:49:10 +0000 Amita 8660@http://www.k-wave.org/forum/ <p>Dear Dr. Treeby,<br /> Thank you for your reply.<br /> could you please help me with the following follow-up question?<br /> How do we get the velocity profile for a particular configuration and input of the transducer?<br /> I wanted to understand the relationship between the transducer's configuration, input signal, and particle velocity.<br /> I want to calculate the pressure or velocity field by the transducer so that I could use it as the initial condition for the function kspaceFirstOrder3D.<br /> could you please suggest any article for the same? </p> http://www.k-wave.org/forum/topic/regarding-use-of-kwavetransducer-class-as-source-for-kspacefirestorder3d#post-8646 Tue, 08 Nov 2022 10:23:02 +0000 Bradley Treeby 8646@http://www.k-wave.org/forum/ <p>The <code>kWaveTransducer</code> class sets the normal particle velocity in the direction that the transducer is facing. </p> http://www.k-wave.org/forum/topic/regarding-use-of-kwavetransducer-class-as-source-for-kspacefirestorder3d#post-8637 Tue, 01 Nov 2022 14:08:53 +0000 Amita 8637@http://www.k-wave.org/forum/ <p>How a source may be added to the kspaceFirstOrder3D function using the kWaveTransducer class?<br /> As the source input for the kspaceFirstOrder3D function can be given in terms of pressure or velocity, I am unable to understand how the output of the kWaveTransducer class is providing the source.p_mask and source.p values (or source.v_mask and source.v values)?</p> <p>Please help. </p>