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Recent content by KeysorSoze

  1. K

    Curved antenna simulation in HFSS. Deformed meshing

    Hi All, I think I have figured out the solution. Posting it here. As one of the users suggested, the meshing should be made curvilinear. However, don't forget to add checkmark once the property of 'ApplyCurvilinear; appears on the left pane. This alone won't work, add surface approximation...
  2. K

    Curved antenna simulation in HFSS. Deformed meshing

    Hi all, I am simulating a leaky wave antenna in a conformal environment in HFSS (see Fig.1). The model simulates without any error. But when I plot the mesh view (see Fig. 2). The mesh is deformed and it does not resemble the curved structure I am simulating. I have reduced the rendering...
  3. K

    1-D Eigenmode Simulation on CST: Dispersion Diagram for a Unit Cell of a Leaky Wave Antenna

    Hello all, Sorry to reply a bit late. But here is my long due resolution . The key here lies in visualizing each of the mode at different k0*p (or angles). If you look at my graphs that I have attached in my replies, there actually exists the dispersion behaviour of the unit cell that I want...
  4. K

    1-D Eigenmode Simulation on CST: Dispersion Diagram for a Unit Cell of a Leaky Wave Antenna

    Thank you for your time. The CST results, I don't think they are correct, because they are the same for waveguide (without pattern) and and Leaky waveguide (with pattern). I have used the impedance boundary condition and not PML, and I feel like yes there is a mode present which I need at...
  5. K

    1-D Eigenmode Simulation on CST: Dispersion Diagram for a Unit Cell of a Leaky Wave Antenna

    Hey thank you so much for the replies and taking the time for providing help :). But I don't seem to be getting the results. I simulated the model you sent and tried the parametric analysis; I got this (screenshot attached). I think HFSS is finding modes which actually do not exist (or cancel...
  6. K

    1-D Eigenmode Simulation on CST: Dispersion Diagram for a Unit Cell of a Leaky Wave Antenna

    Hello, Thank you for the reply and pointing out the PMC boundary. I tried simulating with the following boundary conditions (in the screenshot), in both CST and HFSS in eigenmode and got similar results but not of the paper. I simulated until the 20th mode, screenshot attached but none of them...
  7. K

    1-D Eigenmode Simulation on CST: Dispersion Diagram for a Unit Cell of a Leaky Wave Antenna

    Hi, I am trying to perform eigenmode simulation to obtain dispersion diagram for a paper "https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9055410" Figure 3 (b), but I am not getting the desired result. I have tried performing the simulations in both HFSS and CST and the summary ppt (of...

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