# How-Tos

A collection of how-tos are included that covers advanced concepts.

A collection of how-tos are included that covers advanced concepts.

**How to Use a Job Scheduling / Queuing System**

Feko integrates into job scheduling and queuing systems such as Altair PBS Professional, Torque, IBM Platform LSF, Parallelnavi NQS, SLURM and Univa Grid Engine.**How to Feed a Grounded Coplanar Waveguide**

A method is presented on how to feed a grounded coplanar waveguide (GCPW) in CADFEKO. The same method can be used to feed a coplanar waveguide (CPW).**How to Estimate Memory Requirements for the MLFMM**

A method is presented that allows you to estimate the memory requirements for a model solved using the multilevel fast multipole method (MLFMM).**How to Construct a Conformal Patch Antenna**

A method is presented on how to construct a conformal patch antenna in CADFEKO.**How to Construct a Complementary Slotted Two-Arm Spiral Antenna**

A method is presented on how to construct and feed a complementary slotted two-arm spiral antenna in CADFEKO.**How to Improve Convergence for the MLFMM**

The MLFMM is an iterative solution method, and under certain conditions, the iterative solution may fail to converge. Several model or solution settings are presented that could improve the model's convergence behaviour.**How to Improve Convergence for the MLFMM /FEM**

The hybrid multilevel fast multipole method (MLFMM) / finite element method (FEM) is an iterative solution method and under certain conditions, the iterative solution may fail to converge. Several model or solution settings are presented that could improve the model's convergence behaviour.**How to Improve Convergence for the MoM / FEM**

The hybrid method of moments (MoM) / finite element method (FEM) is an iterative solution method, and under certain conditions, the iterative solution may fail to converge. Several model or solution settings are presented that could improve the model's convergence behaviour.**How to Improve Convergence for the FDTD**

The finite difference time domain (FDTD) is a solution method that may fail to converge under certain conditions. Several model or solution settings are presented that could improve the model's convergence behaviour.**How to Reduce Computational Resources**

Several tips and tricks are presented to reduce runtime and memory consumption. A few general tips are given as well as solution method-specific tips.**How to Feed a Microstrip Line Using an Infinite Substrate**

Various methods are presented on how to feed a microstrip line using an infinite planar multilayer substrate in CADFEKO.**How to Connect an Antenna to a HyperMesh Generated Mesh**

A workflow is presented on how to connect an antenna model designed in CADFEKO to a platform model that was meshed with Altair HyperMesh.