Hello Daniel,
Unfortunately, there is no block available to visualize the beam/radiation pattern in Simulink.
However, you can achieve the goal of plotting beam pattern through MATLAB command line using the function called "pattern".
For more details about the usage of this function, you may refer to the following documentation link: https://in.mathworks.com/help/phased/ref/phased.ula.pattern.html
Also, if it helps, the below example demonstrates the usage of pattern function for differential microphone array simulation. https://in.mathworks.com/help/phased/ug/introduction-to-differential-beamforming.html
Thanks,
Harsh
