Measurement-based simulation of temperature rise from focused and linear ultrasound fields and its validation with experiments

Figure 4 Reconstructed complex source pressure distribution in pascals.Note: Pixel pitch in lateral directions are 0.3 mm.File name: source_estimate.mat Figure 6 Data (measurement and simulation), for lateral beam profiles (x and y) is organised as follows:Column 1: Position in millimetres Column 2: Pressure along x-axis in pascalsColumn 3: Pressure along y-axis in pascals Measurement files:Lateral_1p1W_Meas.datLateral_2p2W_Meas.datLateral_3p3W_Meas.datLateral_4p3W_Meas.dat Simulation files:Lateral_1p1W_Sim.datLateral_2p2W_Sim.datLateral_3p3W_Sim.datLateral_4p3W_Sim.dat Data (measurement and simulation), for axial beam profiles is organised as follows:Column 1: Position in millimetres Column 2: Pressure along z-axis in pascals Measurement files:Axial_4p3W_Meas.dat Simulation files:Axial_4p3W_Sim.dat Figure 7 Spatial temperature maps from simulations. Note1: Pixel pitch in axial and lateral directions are 0.075 mm.Note2: Subtract background temperature (19.1 C) to obtain the temperature-rise plotted in Figure. 7. Transducer on for 2 mins at 4W:File name: T_on_xz_plane_4W2min.matTransducer off:File name: T_off_xz_plane_4W2min.mat Figure 8 Temperature-time plots from the measurements and simulations.For all files (measurement and simulation), the data is organised as follows:Column 1: Time steps in 1 second intervalColumn 2: Temperature at TC0 in degree CelsiusColumn 3: Temperature at TC1 in degree CelsiusColumn 4: Temperature at TC2 in degree CelsiusColumn 5: Temperature at TC3 in degree CelsiusMeasurement files:Measurement_1W-2min.datMeasurement_2W-3min.datMeasurement_3W-3min.datMeasurement_4W-2min.datSimulation files:Simulation_1W-2min.datSimulation_2W-3min.datSimulation_3W-3min.datSimulation_4W-2min.dat Supplementary Material Figure 9 The acoustic pressure distribution in the water-TMM media in x-z and y-z planes. Note: Pixel pitch in axial and lateral directions are 0.075 mm.Simulation files:p_xz.matp_yz.matUnits in pascals. Supporting Data Files File name: sensor_pressure_field.datUnits in pascals.Description: Measured complex pressure field using a hydrophone at a source-hydrophone separation distance of 30 microseconds (time-of-flight) in water at 19.1 degree Celsius. File name: tmm_pressure_field.matUnits in pascals.Description: The pressure field (amplitude in pascals) in the TMM used in the thermal diffusion simulations.