Lande g factor delta h information is also included about the following. For the first few labs, you will be given premade hfss files that will already have the core design, simulation setup, and result graphs that you need. The lande g factor is a geometric factor which arises in the evaluation of the magnetic interaction which gives the zeeman effect. Ehv h is plancks constant, the equation \\ref1\ can be. Ansys high frequency structure simulator hfss tutorial august 16, 2018 1 mark jones pacific northwest national laboratory. Hfss high frequency structure simulator hfss is an industrystandard simulation tool for 3d fullwave electromagnetic field simulation. Nov 15, 2018 hfss ansys hfss is a 3d electromagnetic em simulation software for designing and simulating highfrequency electronic products such as antennas, antenna arrays, rf or microwave components, highspeed interconnects, filters, connectors, ic packages and printed circuit boards. Set solution type select the menu item hfss solution type.
Hybrid simulation of a reflector antenna lecture 9. Global material database the global material database is the primary material database used throughout all maxwell software. Rfic design and testing for wireless communications. Ansys high frequency structure simulator hfss tutorial. Maxwell magnetostatic inductance l, m coupling factor k field core saturation magb coupling factor k sliding gap 0. There is also a slight weakening of the force on the electron when it is very close to the nucleus, causing 2s 12 state to be slightly higher in energy than the 2p 12 state.
Wu coupled resonator circuits features suitable to design narrowband filters design parameters 1. Contribute to courserepsecen452 spring2016 development by creating an account on github. To obtain the field patterns, intrinsic impedance and wavelength for the first 4 modes. Wireless power transfer using maxwell and simplorer. How do i calculate g using the formula given above and then p.
Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. I figured i would pick it up during the summer break. Composition pdf transport l l finite rate chemistry l l l l pollutants and soot modeling l l l l sparse chemistry solver with dynamic cell clustering and dynamic adaptive l l l chemistry ability to use model fuel library l l l mechanisms l fully supported p p requires more than 1 product 5. The factor of 2 in front of the spin shows that the lande gfactor of. Rectangular waveguide hfss r objective getting started with hfss a tutorial using hfss, simulate an airfilled wr90 waveguide shown above. The value of a vector field quantity at points inside each. Basic electromagnetic field quantities and, for open. Hfss makes it easy to analyze each and every parameter very accurately. Zeeman effect and lande gfactor spin physics energy level. The signal flow graph sfg is introduced as a graphical means to visualize how waves propagate in an rf network. Horizontal factor 2 vertical factor 5 create lumped gap coax ports in the package select the dp pad for nets rxnpad7, rxppad7, txnpad7, and txppad7 toggle from via to pin choose lumped gap coax port for hfss port type set radial factor to 0. To open a help topic about a specific hfss dialog box, open the dialog box, and then press f1. In atomic physics, the lande gfactor is a multiplicative term appearing in the expression for the energy levels of an atom in a weak magnetic field.
Enhanced valley zeeman splitting in fedoped monolayer. Hfss introduction quick and complete introduction of. Filter design using ansoft hfss university of waterloo. Gp the transducer gain is maximized with respect to the source when g t,max,s g t y in y s. The ansoft high frequency structure simulator hfss is a fullwave electromagnetic em software package for calculating the electromagnetic behavior of a 3d structure. Apr 19, 2016 every project on github comes with a versioncontrolled wiki to give your documentation the high level of care it deserves. Jan 19, 2017 hfss tutorial modelling a patch antenna duration. Hfss tutorial courserepsecen452spring2016 wiki github. Ansoft hfss material manager go back contents index material database the material database consists of a group of predefined materials that may be assigned to individual objects in a model. Since the energy absorbed by the electron should be exactly the same with the state energy difference. Sometimes, antenna factor is referred to the opencircuit voltage and it would be onehalf the value given by equation 1. Calculate the lande g factor based on the total, orbital, spin quantum numbers.
The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in hfss with the investment of only a few hours of time. This book is an emphasis on engineering practice hfss electromagnetic simulation design tutorials. There is a very nice discussion of a naive model of electron spin, and the gyromagnetic ratio in peebles quantum mechanics, pages 198201. L wi for i 1, 2 are the inductances per unit length of the appropriate micriostrips, having widths w 1 and w 2, respectively. Hfss initial project setup opening a new project if a new project and new design are not already opened, then. Here, we report unambiguous magnetic manipulation of valley zeeman splitting at 300 k g eff.
P av,s, again with equality when the the twoport is conjugately matched to the source, we have g t. My school doesnt really teach hfss and considering it is heavily used in the industry. Calculate form factor open field calculator using hfss fields calculator. Antenna optimization workflow using hfss realtime antenna parameter tuning duration. It was originally developed by professor zoltan cendes. Any of you guys have any good tutorials on hfss particularly for antenna design. Designer6 with hspice and hfss solverondemand for high. Quantum electrodynamic corrections to the g factor of helium p.
But this software requires a good knowledge of coordinate system. Radiofrequency simulations of dipolar spin waves in. Design and analysis of x band pyramidal horn antenna using hfss. In hfss desktop, click the on the standard toolbar, or select the menu item file new. Ansoft hfss radiation menu go back contents index radiation menu radiation commands radiated fields radiationcompute radiationdisplay data radiationsave fields radiationload fields radiationclear plotting spherical crosssections when this form of g is used in the farfield calculations, the fields that result have an r. Lande g factor also known as total angular momentum is one among the electron g factor. Fig 6 design of single patch antenna in hfss simulation results the 2x2 patch array antenna is simulated using ansoft hfss. Feb 24, 2007 homework statement consider the hydrogren atom in a magnetic field of 2t. It consists of a square patch, a via, and a square block of substrate as shown in fig. The quantum states of electrons in atomic orbitals are normally degenerate in energy, with these degenerate states all sharing the same angular momentum. High frequency structure simulator for 3d electromagenetics hfss is a platform that includes multiple simulation technologies for component or system design. G factor describes the magnetic moment of a particle.
Getting help if you have any questions while you are using ansoft hfss v. Hfss is very user friendly software that can advantage user to foresee antenna performance and achieving better results before building the realistic model. Advanced training ansoft hfss environment variables and preferences ansoft corporation pittsburgh, pa. Landes gfactor and gformula in 1919, the young theoretician alf red lande 18881976 in fra nkfurt a. Lande g factor 245 magnetic bias 285 saturation magnetization 244 field accuracy 358 field quantities calculating 408. The dimensions of antenna can be found in the hfss simulation file. For nuclei, the lande gfactor gnuc is customarily defined as the ratio of the magnetic mo ment to the. If you are looking for hfss tutorial then this video playlist will help you to learn antenna. It is essential for the design of high frequency and highspeed component design 4. Department of electrical engineering national taiwan university prof. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok.
Demonstrate two methodologies for using mcad integration with hfss 1. This is the tutorial video on ansoft hfss software. First the model of the microstrip patch antenna has to be drawn in hfss. Advanced training ansoft hfss environment variables and. The lande g factor describes the response of an atomic energy level to an external perturba tion by a uniform and. In industry, ansoft hfss is the tool of choice for highproductivity research, development, and virtual prototyping. You may also choose to enter values in the lande g factor and delta h. Analysis must include first three modes te10, te20, te01 3.
Hfss is a commercial finite element method solver for electromagnetic structures from ansys. Coupling matrix m relationship between coupling coefficients and physical structure 2. Hfss is one of several commercial tools used for antenna design, and the design of complex radio frequency electronic circuit elements including filters, transmission lines, and packaging. Environment variables 2 the implementation of environment variable are platformdependent. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line.
A small blend is not going to change the stiffness of the structure significantly so wont change the result, but a huge blend, which looks more like an extra web supporting the corner, that would change the. In the weak field limit, we assume that the magnetic dipole moment due to the electron in an atom is. The incident field strength ei equals antenna factor af times the received voltage vrec. Pi shape metamaterial in microstrip patch antenna sayantan mazumder1, saswata sundar laga. Proportionality factor g factor as a result of the zeeman effect, the state energy difference of an electron with s12 in magnetic field is \ \delta e g. Compute the reflection and transmission coefficients of a frequency selection surface. The rectangular substrate is chosen as a basic structure of the proposed antenna because. Next, the unitcell of the sievenpiper mushroom structure has to be drawn in hfss. The common ways of implementing environment variables in unix. Coaxial simulations using hfss and maxwell hugo day february 28, 2011 with thanks to e.
Zeeman effect and lande gfactor free download as pdf file. External quality factor qe the externally loaded inputoutput resonators mij q e. The parameters evaluated were gain, beamwidth and return loss. Factor is a mature, dynamically typed language based on the concatenative paradigm. Its easy to create wellmaintained, markdown or rich text documentation alongside your code. Getting started with factor can be daunting since the concatenative paradigm is different from most mainstream languages. It consists of rectangular substrate and the metal trace layer as shown in fig.
In physics, the lande gfactor is a particular example of a gfactor, namely for an electron with both spin and orbital angular momenta. Mounet for useful discussions and suggestions hugo day coaxial simulations using hfss and maxwell. Hfss ansys hfss is a 3d electromagnetic em simulation software for designing and simulating highfrequency electronic products such as antennas, antenna arrays, rf or microwave components, highspeed interconnects, filters, connectors, ic packages and printed circuit boards. The g factor was introduced by goudsmit and uhlenbeck to account for the behavior of an electron in a magnetic field because naive models of the electron do not give the proper magnetic dipole moment. To access online help from the hfss user interface, do one of the following. The acronym stands for highfrequency structure simulator. Hfss and cst simulations, once simulation setup and parameters are correctly chosen.
Techniques for analyzing antenna lattice structures. Caspers cern, geneva, switzerland abstract the concept of describing rf circuits in terms of waves is discussed and the smatrix and related matrices are defined. A comparison of ansoft hfss and cst microwave studio. The base hfss offering includes 3d and layout interfaces, 2. Lande g factor calculator based on angular momentum quantum. In this video we have derived the expression of the landes g factor for atomic system.
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