Universiti Teknologi Malaysia Institutional Repository

Virtual mass of any shape of body by using general mapping function

Arai, N. (2016) Virtual mass of any shape of body by using general mapping function. In: 9th International Unimas Stem Engineering Conference, ENCON 2016, 26 October 2016 through 28 October 2016, Sarawak; Malaysia.

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Abstract

When an object is moving in acceleration with fluid interaction from surrounding, it possesses virtual mass (added mass) in which the total mass of object is higher than the original mass. The exact conformal mapping method was proposed to determine the virtual mass. However, it is difficult to determine the virtual mass for the body of random shape by using conformal mapping. Therefore the new concept of mapping function is proposed. It is based on Laurent series that has been proposed to map the body of random shape to a circle. The function of a body shape is expressed in Fourier series which is essential to determine the complex coefficients of mapping function (Laurent series). Proposed method is compared with exact conformal method (equilateral polygon) and the validity is confirmed.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Flow measurement, Fourier series, Mapping
Subjects:T Technology > T Technology (General)
Divisions:Malaysia-Japan International Institute of Technology
ID Code:72938
Deposited By: Muhammad Atiff Mahussain
Deposited On:29 Nov 2017 23:58
Last Modified:29 Nov 2017 23:58

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