BioSono provides a cyberspace (www.biosono.com) where researchers, engineers, and students can find useful reference and educational materials, conduct acoustic simulation, post questions on design and development, and get answers. The online KLM based transducer acoustic stack simulation, which is currently free, can help you choose piezoelectric, matching and backing material, and a tuning electrical network. The output from the model includes electrical transmit impedance, acoustic receive impedance, and the impulse or pulse-echo response. The ultrasound beam profile simulation provides the calculated transmitted ultrasound pressure field under certain excitation for a given transducer aperture in a number of different geometrical configurations, including circular elements (flat and concave piston), rectangular elements, linear arrays, convex arrays, and 2D arrays. The simulation is based on Field II, which is a free program that utilizes the spatial impulse response method, and has been validated by many researchers for accuracy. In addition to the web based acoustic simulation, we also provide pulse-echo system, transducers, and customized design and develop services.
Transducer KLM Model Simulation
Beam Profile Simulation
Frequency, Velocity, and Wavelength
Transducer Acoustic Stack
Transducer RLC Model
Flat Piston Transducer
Concave Piston Transducer
Center Frequency: MHz
Element Width: mm
Element Height: mm
Total Element Number
Electric Focal Depth: mm
Parameters: Element Accept angle; F_Number; -3dB Beam Width at focal point;Delays for each element
For the linear array calculator, enter element number of the aperture not the transducer, because linear array scan the beam with the aperture moving across the whole transducer. For example, a 254-element linear array many has an aperture of 64 element, and also may dynamically change it. Enter the element number for the aperture, center frequency, element height and width, focal depth, F-Number, accept angle, beam width and delay time for each element will be calculated.
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