Journal of Computer Applications ›› 2020, Vol. 40 ›› Issue (5): 1409-1414.DOI: 10.11772/j.issn.1001-9081.2019101734

• Virtual reality and multimedia computing • Previous Articles     Next Articles

Interactive water flow heating simulation based on smoothed particle hydrodynamics method

WANG Jiangkun1, HE Kunjin1, CAO Hongfei2, WANG Jinqiang1, ZHANG Yan1   

  1. 1.College of Internet of Things Engineering, Hohai University, ChangzhouJiangsu 213022, China
    2.School of Business Administration, Hohai University, ChangzhouJiangsu 213022, China
  • Received:2019-10-14 Revised:2019-12-09 Online:2020-05-10 Published:2020-05-15
  • Contact: HE Kunjin, born in 1974, Ph. D., professor. His research interests include computer aided design & computer graphics, three-dimensional informatization.
  • About author:WANG Jiangkun, born in 1996, M. S. candidate. His research interests include computer aided design & computer graphics, virtual simulation.HE Kunjin, born in 1974, Ph. D., professor. His research interests include computer aided design & computer graphics, three-dimensional informatization.CAO Hongfei, born in 1975, M. S., lecturer. Her research interests include financial accounting.WANG Jinqiang, born in 1996, M. S. candidate. His research interests include computer aided design & computer graphics.ZHANG Yan, born in 1996, M. S. candidate. Her research interests include three-dimensional informatization.
  • Supported by:

    This work is partially supported by the National Natural Science Foundation of China (61472118), the Science and Technology Support Program for Changzhou (CE20195029), the Scientific Research Program of Sun Rain (2018070).

基于光滑粒子流体动力学方法的交互式水流加热仿真

王江坤1, 何坤金1, 曹红飞2, 王金强1, 张燕1   

  1. 1.河海大学 物联网工程学院,江苏常州 213022
    2.河海大学 企业管理学院,江苏常州 213022
  • 通讯作者: 何坤金(1974—)
  • 作者简介:王江坤(1996—),男,河南郑州人,硕士研究生,主要研究方向:计算机辅助设计与图形学、虚拟仿真; 何坤金(1974—),男,安徽芜湖人,教授,博士,CCF会员,主要研究方向:计算机辅助设计与图形学、三维信息化; 曹红飞(1975—),女,江苏常州人,讲师,硕士,主要研究方向:财务会计; 王金强(1996—),男,江西九江人,硕士研究生,主要研究方向:计算机辅助设计与图形学; 张燕(1996—),女,江苏泰州人,硕士研究生,主要研究方向:三维信息化。
  • 基金资助:

    国家自然科学基金资助项目(61472118);常州市科技支撑计划项目(CE20195029);太阳雨企业科研资助项目(2018070)。

Abstract:

To solve the problems of interaction difficulty and low efficiency in traditional water flow heating simulation, a method about thermal motion simulation based on Smoothed Particle Hydrodynamics (SPH) was proposed to control the process of water flow heating interactively. Firstly, the continuous water flow was transformed into particles based on the SPH method, the particle group was used to simulate the movement of the water flow, and the particle motion was limited in the container by the collision detection method. Then, the water particles were heated by the heat conduction model of the Dirichlet boundary condition, and the motion state of the particles was updated according to the temperature of the particles in order to simulate the thermal motion of the water flow during the heating process. Finally, the editable system parameters and constraint relationships were defined, and the heating and motion processes of water flow under multiple conditions were simulated by human-computer interaction. Taking the heating simulation of solar water heater as an example, the interactivity and efficiency of the SPH method in solving the heat conduction problem were verified by modifying a few parameters to control the heating work of the water heater, which provides convenience for the applications of interactive water flow heating in other virtual scenes.

Key words: Smoothed Particle Hydrodynamics (SPH), collision detection, thermal motion, human-computer interaction, heating simulation

摘要:

针对传统水流加热仿真中交互困难与效率低下的问题,提出一种基于光滑粒子流体动力学(SPH)的热运动仿真方法,旨在交互式控制水流加热变化过程。首先,基于SPH方法将连续水流粒子化,以粒子群模拟水流的运动,并通过碰撞检测方法将粒子运动限定在容器内;然后,采用第一类边界条件的热传导模型加热水粒子,并根据粒子的温度更新粒子的运动状态,以模拟加热过程中水流的热运动;最后,定义可编辑的系统参数与约束关系,通过人机交互仿真多种条件下水流加热及其运动过程。以太阳能热水器加热仿真为例,通过修改少量参数控制热水器的加热工作验证了SPH方法求解热传导问题时的交互性与高效性,为交互式水流加热在其他虚拟场景的应用提供了便利。

关键词: 光滑粒子流体动力学, 碰撞检测, 热运动, 人机交互, 加热仿真

CLC Number: