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Mass Flow Prediction of the coriolis Meter using C^0 Continuous Beam Elements

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Journal of Thermal Science 2015年第4期24卷 398-402页

作者： Binulal B R Akash Rajan Abhilash Suryan R Jayaraj Kochupillai Heuy Dong Kim Research Scholar Department of Mechanical EngineeringCollege of Engineering Trivandrum Department of Mechanical Engineering College of Engineering Adoor Department of Mechanical Engineering College of Engineering Trivandrum Department of Mechanical Engineering Andong National University

A three node C^0 continuous isoparametric beam element is formulated to model the curved pipe conveying fluid in three dimensional *** equations of motion for the combined structure and fluid domain including added mass effect,coriolis effect,centrifugal effect and the effect of pressure on the walls of pipe have been developed by *** equation is converted to finite element formulation using Galerkin technique and is validated with the results available from literature.

关键词： coriolis mass flow meter Timoshenko beams finite element formulation coriolis effect

Suppression of coriolis error in weak equivalence principle test using ^85Rb-^87Rb dual-species atom interferometer

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Chinese Physics B 2020年第7期29卷 77-84页

作者： Wei-Tao Duan Chuan He Si-Tong Yan Yu-Hang Ji Lin Zhou Xi Chen Jin Wang Ming-Sheng Zhan State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of Sciences-Wuhan National Laboratory for OptoelectronicsWuhan 430071China School of Physics University of Chinese Academy of SciencesBeijing 100049China Center for Cold Atoms Physics Chinese Academy of SciencesWuhan 430071China

coriolis effect is an important error source in the weak equivalence principle(WEP)test using atom *** this paper,the problem of coriolis error in WEP test is studied theoretically and *** theoretical simulation,the coriolis effect is analyzed by establishing an error *** measurement errors of Eotvos coefficient(η)in WEP test related to experimental parameters,such as horizontal-velocity difference and horizontal-position difference of atomic clouds,horizontal-position difference of detectors,and rotation compensation of Raman laser’s mirror are *** experimental investigation,the position difference between^85Rb and^87Rb atomic clouds is reduced to 0.1 mm by optimizing the experimental parameters,an alternating detection method is used to suppress the error caused by detection position difference,thus the coriolis error related to the atomic clouds and detectors is reduced to 1.1 × 10^-*** coriolis error is further corrected by com pensating the rotation of Raman laser's mirror,and the total uncertainty o f rj measurement related to the coriolis effect is reduced as δη=4.4 × 10^-11.

关键词： atom interferometer weak equivalence principle test coriolis effect

CONTINUOUS DEPENDENCE ON DATA UNDER THE LIPSCHITZ METRIC FOR THE ROTATION-CAMASSA-HOLM EQUATION

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Acta Mathematica Scientia 2021年第1期41卷 1-18页

作者： Xinyu TU Chunlai MU Shuyan QIU School of Mathematics and Statistics Southwest UniversityChongqing 400715China College of Mathematics and Statistics Chongqing UniversityChongqing 401331China

In this article,we consider the Lipschitz metric of conservative weak solutions for the rotation-Camassa-Holm *** on defining a Finsler-type norm on the tangent space for solutions,we first establish the Lipschitz metric for smooth solutions,then by proving the generic regularity result,we extend this metric to general weak solutions.

关键词： coriolis effect rotation-Camassa-Holm equation generic regularity Lipschitz metric

Wind Algorithm Optimization a New Novel Technique for Global Optimization Problems

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Wind Algorithm Optimization a New Novel Technique for Global...

作者： Muhammad Rauf 东北师范大学

学位级别：硕士

In the past few decades a lot of work has been done in the field of Optimization. Different kinds of algorithm have been proposed. Many of these methods are inspired by the natural phenomenon. In the dissertation, a new algorithm inspired by the environmental phenomena is introduced, which is called wind algorithm for optimization (WAO). This algorithm is based on the natural wind flow phenomenon from high to low pressure area, different gas molecules and lots of dust particle travel with in it. The proposed method involves simple techniques and equations to guide the particle to find the optimal solution. A set of benchmark functions is used to demonstrate the performance of the propose method and compare with well-known methods. The experiments show that WAO have tremendous capability to explore the search space to find the global optimization. The results obtained demonstrate the high performance of WAO in solving different kind of functions.

关键词： Global Optimization Evolutionary algorithm Swarm Intelligence Pressure Gradient Force coriolis effect

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