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Author: Jean-Pierre Bérenger Publisher: Springer Nature ISBN: 3031016963 Category : Technology & Engineering Languages : en Pages : 117
Book Description
This lecture presents the perfectly matched layer (PML) absorbing boundary condition (ABC) used to simulate free space when solving the Maxwell equations with such finite methods as the finite difference time domain (FDTD) method or the finite element method. The frequency domain and the time domain equations are derived for the different forms of PML media, namely the split PML, the CPML, the NPML, and the uniaxial PML, in the cases of PMLs matched to isotropic, anisotropic, and dispersive media. The implementation of the PML ABC in the FDTD method is presented in detail. Propagation and reflection of waves in the discretized FDTD space are derived and discussed, with a special emphasis on the problem of evanescent waves. The optimization of the PML ABC is addressed in two typical applications of the FDTD method: first, wave-structure interaction problems, and secondly, waveguide problems. Finally, a review of the literature on the application of the PML ABC to other numerical techniques of electromagnetics and to other partial differential equations of physics is provided. In addition, a software package for computing the actual reflection from a FDTD-PML is provided. It is available here.
Author: Jean-Pierre Bérenger Publisher: Springer Nature ISBN: 3031016963 Category : Technology & Engineering Languages : en Pages : 117
Book Description
This lecture presents the perfectly matched layer (PML) absorbing boundary condition (ABC) used to simulate free space when solving the Maxwell equations with such finite methods as the finite difference time domain (FDTD) method or the finite element method. The frequency domain and the time domain equations are derived for the different forms of PML media, namely the split PML, the CPML, the NPML, and the uniaxial PML, in the cases of PMLs matched to isotropic, anisotropic, and dispersive media. The implementation of the PML ABC in the FDTD method is presented in detail. Propagation and reflection of waves in the discretized FDTD space are derived and discussed, with a special emphasis on the problem of evanescent waves. The optimization of the PML ABC is addressed in two typical applications of the FDTD method: first, wave-structure interaction problems, and secondly, waveguide problems. Finally, a review of the literature on the application of the PML ABC to other numerical techniques of electromagnetics and to other partial differential equations of physics is provided. In addition, a software package for computing the actual reflection from a FDTD-PML is provided. It is available here.
Author: Maggie Brendan Publisher: Revell ISBN: 1441243119 Category : Fiction Languages : en Pages : 334
Book Description
Anna Olsen knows it's time to leave her sister's increasingly crowded house and start a life of her own. Following her sisters' examples, she becomes a mail-order bride, and after a short correspondence with clock maker and jeweler Edward Parker, she moves to Denver to become his wife. Almost immediately it's painfully apparent that Anna and Edward are very different. Anna is a free spirit who would rather be painting and enjoying the company of friends than cleaning house. Edward is a consummate perfectionist who, on their wedding day, hands Anna a list of chores that need to be done around the house daily. Can this mismatched couple see past their differences to a harmonious future? Or will their disparate passions create obstacles neither is willing to surmount? Maggie Brendan closes her Blue Willow Brides series with a heartwarming tale of true love despite misunderstanding, showing readers that God's timing is always perfect.
Author: Maddie James Publisher: Sand Dune Books ISBN: 1622372662 Category : Fiction Languages : en Pages : 1310
Book Description
THE MATCHMAKING CHEF COLLECTION The eight Matchmaking Chef novellas When Suzie Matthews (Bed, Breakfast & You) accidentally cooks up a scene that causes her sister to get back together with her high school boyfriend (Home for the Holidays), she wonders if she can help other singletons living in the small mountain town of Legend, Tennessee find the loves of their lives. Being a matchmaker isn't really on her list of things to do--after all, she has a bed & breakfast to run, cookbooks to write, and a television show on the Food Channel to keep up with. But baking is her thing, and perhaps matchmaking can be her thing, too. After all, there is a song going through her head that goes something like this... Matchbaker, Matchbaker, bake me a match? No wait. Make me a match. Nevermind! You get the picture, right? Welcome to Legend, Tennessee. And welcome to the matchbaking, er, matchmaking world of Chef Suzie Matthews.
Author: Heather S. Webber Publisher: Createspace Independent Publishing Platform ISBN: 9781477471005 Category : Arson Languages : en Pages : 0
Book Description
The heat is on... When Boston psychic Lucy Valentine finds herself involved with a group of eccentric mediums trying to fine tune their abilities, she is convinced a rare spring heat wave has flushed all the local crazies out of hiding. Adding to her theory is her newest client in the Lost Loves division of Valentine, Inc., her family's lucrative matchmaking firm. He's an animal whisperer who hires Lucy to locate his soul mate?because his cat told him so. Finding his purrfect match, however, isn't as easy as it seems. But craziest of all is the Beantown Burner, a serial arsonist who is targeting private eye Sam Donahue, brother of Lucy's boyfriend, Sean. With the help of her kooky psychic group, Lucy must tap into hidden abilities to catch the firebug before the fires turn deadly. She never expected to discover that the motive behind the flames hits a little too close to home...and dangerously close to her heart.
Author: Mark Ainsworth Publisher: Springer Science & Business Media ISBN: 3642554830 Category : Mathematics Languages : en Pages : 408
Book Description
These ten detailed and authoritative survey articles on numerical methods for direct and inverse wave propagation problems are written by leading experts. Researchers and practitioners in computational wave propagation, from postgraduate level onwards, will find the breadth and depth of coverage of recent developments a valuable resource. The articles describe a wide range of topics on the application and analysis of methods for time and frequency domain PDE and boundary integral formulations of wave propagation problems. Electromagnetic, seismic and acoustic equations are considered. Recent developments in methods and analysis ranging from finite differences to hp-adaptive finite elements, including high-accuracy and fast methods are described with extensive references.
Author: Vijay Chalivendra Publisher: Springer Science & Business Media ISBN: 1461442389 Category : Technology & Engineering Languages : en Pages : 574
Book Description
Dynamic Behavior of Materials, Volume 1: Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics represents one of seven volumes of technical papers presented at the Society for Experimental Mechanics SEM 12th International Congress & Exposition on Experimental and Applied Mechanics, held at Costa Mesa, California, June 11-14, 2012. The full set of proceedings also includes volumes on Challenges in Mechanics of Time -Dependent Materials and Processes in Conventional and Multifunctional Materials, Imaging Methods for Novel Materials and Challenging Applications, Experimental and Applied Mechanics, 2nd International Symposium on the Mechanics of Biological Systems and Materials 13th International Symposium on MEMS and Nanotechnology and, Composite Materials and the 1st International Symposium on Joining Technologies for Composites.
Author: Ashleigh Mehmed Publisher: Balboa Press ISBN: 1982290587 Category : Poetry Languages : en Pages : 28
Book Description
As a shy little sheep who was born quite different to the rest of his flock, Davey goes to extreme lengths each morning to disguise himself in order to fit in. But what happens when his true colours are finally revealed? Through vibrantly painted illustrations and simple rhymes, Davey’s Pink Wool is a sweet story that teaches the importance of embracing your own uniqueness and learning to love yourself just as you are.
Author: Jean-Pierre Bérenger
Author: Jean-Pierre Bérenger
Author: Maggie Brendan
Author: Maddie James
Author: Heather S. Webber
Author: Xiaohu Liu
Author: Janet Hermans
Author: Mark Ainsworth
Author: Vijay Chalivendra
Author: Long'an Ying
Author: Ashleigh Mehmed