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- W2333857927 abstract "Code was designed at The Ohio State University Department of Electrical and Computer Engineering in conjunction with the School of Earth Sciences with the goal of forward modeling subsurface geological systems. To attain this goal the finite difference time domain (FDTD) method was implemented through singleand multi-processor systems leading to the name parallel finite difference time domain (PFDTD). Due to known past problems with the FDTD method our PFDTD code was rigorously tested to define the limits of the parameters in modeling a heterogeneous geological setting. A large frequency range was attained along with a variety of conductivities and permittivities. With these developments and the ability to vary grid cell size the OSU code is able to successfully and accurately forward model realistic complex geological systems. Most modeling systems have been restricted to modeling in the high frequency regime (>10 MHz), or low frequency region (kilohertz range) to model either displacement currents, or induction, respectively. Our code enables us to generate accurate three dimensional models in the 500 kHz – 10 MHz range, in addition to the higher frequencies. Inputs to the model include variations in conductivity and permittivity over a three dimensional model space. Model results show that reflection images can be generated even at these low frequencies." @default.
- W2333857927 created "2016-06-24" @default.
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- W2333857927 date "2009-01-01" @default.
- W2333857927 modified "2023-09-25" @default.
- W2333857927 title "Broadband Finite Difference Time Domain Modeling" @default.
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- W2333857927 doi "https://doi.org/10.3997/2214-4609-pdb.157.sageep007" @default.
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