4/20/2012

Numerical Modeling of Ultrasonic Flowmeters: A Coupled Finite-Element, Boundary-Integral Method Review

Numerical Modeling of Ultrasonic Flowmeters: A Coupled Finite-Element, Boundary-Integral Method
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This is apparently the first thorough modeling treatment of Ultrasonic Flowmeters. It uses a sophisticated coupled finite element boundary integral method. The book is clearly written is in good format and has much illustrative detail. The book also has over a 100 references which makes it valuable to get good access to previous work. The book should be handy for the latest designs of flowmeters with the use of ultrasound.

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Today's most popular technology of ultrasonic flow measurement is based on the transit time principle. In this work, a numerical simulation technique applicable to the analysis and optimization of transit time flowmeters is presented. -- A flowmeter represents a large simulation problem which also requires computation of acoustic fields in moving media. For this purpose, a novel boundary integral method, the Helmholtz integral-ray tracing method (HIRM), is derived and validated. For simulation of practical acoustic devices, a hybrid simulation scheme consisting of the finite element method (FEM) and HIRM is proposed. It is demonstrated that the FEM-HIRM scheme enables an accurate and efficient simulation of a complete transit time flowmeter. -- In an industrial environment, the new simulation technique can be applied to accelerate the traditional experimental-based design of ultrasonic flowmeters.

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