Which algorithm is used in FEKO 2023 for UTD solver?

Srabonty Soily
Srabonty Soily Altair Community Member
edited September 17 in Community Q&A

Hi!

I want to know- which algorithm is used in FEKO for UTD solver? I have to use FEKO  for conformal antennas to see the effect of curvature, so I need to know first which algorithm of UTD is used in FEKO 2023.1  version. kindly help me by providing this information.

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Best Answer

  • Jaehoon
    Jaehoon
    Altair Employee
    edited September 17 Answer ✓

    Hello Srabonty,

    my problem is which algorithm of UTD they used here?

    -> I'd like to share one slide excerpted from the Feko Antenna training material showing that Feko UTD can consider many different ray types (Direct, Reflected, Diffracted, Creeping,,,), which is also applicable for the faceted UTD, I believe.

    image

     

    You can control the UTD's rays in the Feko solver setting as below. (Please click on "Advanced" in Ray contributions.)

    image

    Regards,

    Jaehoon

    PS) Please let me know with some more explanation, if I misunderstood about your question.

Answers

  • Jaehoon
    Jaehoon
    Altair Employee
    edited August 23

    Hello Srabonty,

    As you know, the UTD solver can not be solely used for the conformal antenna's placement simulations.

    I believe you are using the Feko's hybrid solution: Fullwave solver for antenna and UTD for surrounding geometry.

    For the surrounding geometry, you have two choices as shown below:  UTD and Faced UTD.

    image

    You can find some details about two UTD solvers from the Feko user guide as shown below.

    image

    Best regards,

    Jaehoon

     

  • Srabonty Soily
    Srabonty Soily Altair Community Member
    edited August 23
    Jaehoon Kim_22316 said:

    Hello Srabonty,

    As you know, the UTD solver can not be solely used for the conformal antenna's placement simulations.

    I believe you are using the Feko's hybrid solution: Fullwave solver for antenna and UTD for surrounding geometry.

    For the surrounding geometry, you have two choices as shown below:  UTD and Faced UTD.

    image

    You can find some details about two UTD solvers from the Feko user guide as shown below.

    image

    Best regards,

    Jaehoon

     

    @Jaehoon Kim  sir thanks for your reply but I already read the feko manual as it is written FACETED UTD solver is used here,  my problem is which algorithm of UTD they used here?

  • Jaehoon
    Jaehoon
    Altair Employee
    edited September 17 Answer ✓

    Hello Srabonty,

    my problem is which algorithm of UTD they used here?

    -> I'd like to share one slide excerpted from the Feko Antenna training material showing that Feko UTD can consider many different ray types (Direct, Reflected, Diffracted, Creeping,,,), which is also applicable for the faceted UTD, I believe.

    image

     

    You can control the UTD's rays in the Feko solver setting as below. (Please click on "Advanced" in Ray contributions.)

    image

    Regards,

    Jaehoon

    PS) Please let me know with some more explanation, if I misunderstood about your question.

  • Srabonty Soily
    Srabonty Soily Altair Community Member
    edited August 26
    Jaehoon Kim_22316 said:

    Hello Srabonty,

    my problem is which algorithm of UTD they used here?

    -> I'd like to share one slide excerpted from the Feko Antenna training material showing that Feko UTD can consider many different ray types (Direct, Reflected, Diffracted, Creeping,,,), which is also applicable for the faceted UTD, I believe.

    image

     

    You can control the UTD's rays in the Feko solver setting as below. (Please click on "Advanced" in Ray contributions.)

    image

    Regards,

    Jaehoon

    PS) Please let me know with some more explanation, if I misunderstood about your question.

    @Jaehoon Kim  sir thank you for your reply.

  • Srabonty Soily
    Srabonty Soily Altair Community Member
    edited August 26
    Jaehoon Kim_22316 said:

    Hello Srabonty,

    my problem is which algorithm of UTD they used here?

    -> I'd like to share one slide excerpted from the Feko Antenna training material showing that Feko UTD can consider many different ray types (Direct, Reflected, Diffracted, Creeping,,,), which is also applicable for the faceted UTD, I believe.

    image

     

    You can control the UTD's rays in the Feko solver setting as below. (Please click on "Advanced" in Ray contributions.)

    image

    Regards,

    Jaehoon

    PS) Please let me know with some more explanation, if I misunderstood about your question.

    @Jaehoon Kim sir - I am interested on the code/ math like for UTD in FEKO, Which numerical algorithm Feko uses to calculated diffraction from the curvature in UTD?

  • Jaehoon
    Jaehoon
    Altair Employee
    edited September 17
    Srabonty Soily said:

    @Jaehoon Kim sir - I am interested on the code/ math like for UTD in FEKO, Which numerical algorithm Feko uses to calculated diffraction from the curvature in UTD?

    @Srabonty Soily  Definitely, your question is beyond my range, but the following paper is one of our developers' main references for the UTD implementation.

    image

    Best regards,

    Jaehoon

  • Srabonty Soily
    Srabonty Soily Altair Community Member
    edited September 17
    Jaehoon Kim_22316 said:

    Hello Srabonty,

    my problem is which algorithm of UTD they used here?

    -> I'd like to share one slide excerpted from the Feko Antenna training material showing that Feko UTD can consider many different ray types (Direct, Reflected, Diffracted, Creeping,,,), which is also applicable for the faceted UTD, I believe.

    image

     

    You can control the UTD's rays in the Feko solver setting as below. (Please click on "Advanced" in Ray contributions.)

    image

    Regards,

    Jaehoon

    PS) Please let me know with some more explanation, if I misunderstood about your question.

    @Jaehoon Kim  sir thanks! it's helpful

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