I just can't get the same result showed in the PDF.

i just can't get the same result showed in the PDF, can anyone help me to solve my drawing? I want to get my drawing result same as the PDF showed in s11 without L-shaped notches and stubs.

I have attached my drawing and the PDF file.

is there anyone that can help? i am not sure that whether my bondary conditions or waveport was set wrongly?

hi is there anyone that can help?