Topic
Modeling and simulation
About: Modeling and simulation is a research topic. Over the lifetime, 10273 publications have been published within this topic receiving 111550 citations.
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01 Dec 2003
98 citations
TL;DR: A comprehensive theory for cohesive mathematical modeling and simulation of THz imaging systems and simulated transmission THz images, showing great accuracy in terms of the location of the details and structural similarity are presented.
Abstract: This paper presents a comprehensive theory for cohesive mathematical modeling and simulation of THz imaging systems. For mathematical modeling of the point spread function (PSF), system and transmission variables such as spectrum, absorption coefficient, beam divergence, and depth of focus are incorporated into the Gaussian beam distribution. The raster scanning process is mathematically modeled as the convolution of the object function and the PSF. Simulated transmission THz images are achieved as a result. The simulated THz images, compared to the experimental THz images, show great accuracy in terms of the location of the details and structural similarity.
98 citations
01 Jan 2005
TL;DR: In this paper, the authors present an overview of recent developments and results of a new integrated heat, air and moisture (HAM) modeling toolkit in Matlab named HAMLab.
Abstract: This paper gives an overview of recent developments and results of a new integrated heat, air and moisture (HAM) modeling toolkit in Matlab named HAMLab. The recent developments include integration of a whole building model with building systems and controllers, 2D/3D HAM transport in constructions and 2D airflow respectively. The results include a short review on HAM models, a motivation of the selected simulation environment Matlab and extensive verification/ validation results. Furthermore, the integration capabilities are demonstrated by applications. It is concluded that the simulation environment HAMLab is capable of solving a large scale of integrated HAM models. Limitations, benefits and drawbacks are discussed.
98 citations
TL;DR: In this article, an exponential Stribeck friction model is used to fit two lines on the experimental data relating steady-state velocities to actuator pressure differentials, and the parameters of the fitted lines are obtained using an iterative optimization technique.
97 citations
01 May 1999
TL;DR: The state of the art in device simulation is evolving to the point such that devices can be designed on the computer, thereby eliminating many trial and error fabrication and test steps.
Abstract: Recent advances in the modeling and simulation of vacuum electronic devices are reviewed. Design of these devices makes use of a variety of physical models and numerical code types. Progress in the development of these models and codes is outlined and illustrated with specific examples. The state of the art in device simulation is evolving to the point such that devices can be designed on the computer, thereby eliminating many trial and error fabrication and test steps. The role of numerical simulation in the design places can be expected to grow further in the future.
97 citations