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Omni-Directional Integration 기반의 사용자 친화적인 압력장 계산 프로그램과 스마트폰 앱 제작
김준(Jun Kim),박규형(Kyuhyung Park),박수연(Sooyeon Park) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
In this project, we have developed a stand-alone program which can calculate pressure field from a velocity field of fluid flow measured by experiment. Weve also adjusted this function to the smartphone PIV (Particle Image Velocimetry) application developed for Mechanical Engineering Design Project of Hanyang University in 2020. This program can calculates pressure field with no any boundary conditions by exploiting ODI (Omni-directional Integration) method. In stand-alone program made by MATLAB App Designer, it provides pressure field computed from 2D2C (2 Dimensional, 2 Components) or 3D3C (3 Dimensional, 3 Components) velocity field, and in smartphone application, pressure field from 2D2C (2 Dimensional, 2 Components) velocity field using java codes in Android Studio. The former makes maximum error of 2.6% and minimum 0.2% with respect to a DNS (Direct Numerical Simulation) pressure field, respectively, and the latter provides the same values of pressure as that calculated by original MATLAB codes for a rotating fluid flow.