time domain boundary condition
Vector fitting realisation of exact time domain modal nonreflecting boundary condition
... nonreflecting boundary condition (MNRBC) in cylindrical coordinates in the finite element time domain (FETD) method, a time domain kernel expression must be found that it is the ...
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Generalized analytical solution for advection dispersion equation in finite spatial domain with arbitrary time dependent inlet boundary condition
... In Sect. 4.1 we derive some specific analytical solutions us- ing the developed generalized analytical solution (Eq. 24) by substituting the specified time-dependent input function into the integral expression. ...
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Development Of Finite-Difference Time-Domain (FDTD)/ Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At Ku Band Frequency
... For students, it might be impossible for them to buy the license of the commercial software. Some of them really need the software to do their assignment and project. Therefore they need to go to laboratory that provides ...
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Clinical vocabulary as a boundary object in multidisciplinary care management of multiple chemical sensitivity, a complex and chronic condition
... present time. However, an assumption of this study was that the domain knowledge is homogeneous, and a single patient chart was used to develop the controlled ...
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Efficient Simulations of Periodic Structures with Oblique Incidence Using Direct Spectral FDTD Method
... difference time domain (FDTD) and periodic boundary condition (PBC), called as the direct spectral FDTD method, has been investigated to study three-dimensional (3D) periodic structures with ...
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Unique solvability and stability of the time domain electromagnetic scattering problem with a locally perturbed perfectly conducting plate
... the time variable and the corresponding scattering problem is usually referred to as a frequency domain ...quency domain scattering problems with unbounded scatterers, such as locally perturbed ...
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Faster 3D finite element time domain : Floquet absorbing boundary condition modelling using recursive convolution and vector fitting
... large time window of practical stability, at least 10 times larger than those of the other methodologies for this ...small time step leads to better accuracy in the calculation of the ...
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On the regularity of solutions of the boundary value problem without initial condition for Schrödinger systems in domain with conical points
... initial boundary value problems for partial differential equations and sys- tems in nonsmooth domains has attracted the attention of many ...in domain with conical points are considered in [, ], in which ...
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Convolution spline approximations for time domain boundary integral equations
... We derive the new approximation as a solution method for the VIE (1.2), with u approximated in terms of B-spline basis functions in a backwards-in-time framework. Our initial approach is to use isogeometric ...
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Time domain boundary element method for room acoustics
... the boundary was lost in the process of conversion from volume differential equation to ...a boundary is merely a property of the interactions of the normal velocity and pressure jump radiation ...the ...
249
Global existence and exponential stability for the strong solutions in \(H^{2}\) to the 3-D chemotaxis model
... initial boundary value problem for the 3-D chemotaxis model on a bounded domain with slip boundary condition when the initial perturbation is small in H 2 ...
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Non Split PML Boundary Condition for Finite Element Time Domain Modeling of Ground Penetrating Radar
... modeling time) where no boundary conditions are imposed, and the relative positions of the fluctua- tion source and the receiver remain ...PML boundary conditions are consistent with the reference ...
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Finite element time domain modelling of cylindrical structures with a modal non reflecting boundary condition
... absorbing boundary condition [4, 15 ...the time discretisation of the FETD formulation and the details of the recursive convolution implementation of the MNRBC are ...frequency domain results ...
190
Development Of Finite-Difference Time-Domain (FDTD) / Periodic Boundary Condition (PBC) Software For Modeling Microwave Absorber Material At X-Band Frequency
... Using the combination of FDTD and PBC, only one unit cell need to be model and this can save more memory space of the computer compare to simulating the whole project that includes so many unit cells. Besides, the ...
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Coupling of a time domain boundary element method to compliant surface models
... in Time (MOT) solver already demands the histories of the surface quantities, and these can be used to implement the digital ...frequency domain surface reflection coefficient is used transformed into a ...
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Blood Flow Simulation in an Aorta with a mild coarctation Using Magnetic Resonance Angiography and Finite Volume Method
... represents time, R and r both introduce the magnitude of the resistors to the model, C indicates the capacity of the relevant capacitor, I(t) shows the input pulsatile mass flow rate, and P(t) represents the ...
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Characterisation of silicon photonics devices
... natural boundary condition is that of an electric wall, which is very convenient to implement in many practical waveguide ...the domain discretization, shape functions, natural boundary ...
207
On hybrid temporal basis functions for stable numerical solution of time domain boundary integral equations
... be shown to be related to the relative errors in the Fourier space for the approximations (15), (20) and (21), respectively (see Appendix 2). Clearly, magnitude of the errors depends on η as well as ξ . The value η ...
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Non-local Boundary Condition Steklov Problem for A Laplace Equation in Bounded Domain
... a boundary value problem in the form given by the second Green formula ...the boundary problem for the Laplas equation it should be noted that the functions participating in the D’Alambert formula obtained ...
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Global Existence of Solutions of the Gierer Meinhardt System with Mixed Boundary Conditions
... The local existence and uniqueness of (1) is standard and more details can be found in [10] [11]. A priori-estimates need to be ascertain in order to prove global in time existence of solutions. Let ( A H , ) be a ...
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