{"title":"用晶格玻尔兹曼方法模拟弹道冲击治疗装置的声场","authors":"K.-N. Pae, Y.-J. Kim, W.-J. Kim, S.-J. Kim","doi":"10.3103/S1541308X23010053","DOIUrl":null,"url":null,"abstract":"<p>The pressure field distribution of a ballistic shock wave (BSW) therapy device is a crucial factor for clarifying its treatment mechanism. We developed a lattice Boltzmann model (LBM) to describe the propagation of BSW. Based on the assumption that the propagation of BSW causes weak compressible flow, our simulaton was performed by coupling Tait equation of state. For a two-dimensional LBM, we used the density initial condition for initial turbulent region near the applicator. We first compared our simulation results with previous experimental measurements. Then we predicted the temporal and spatial distribution of pressure field. The pressure field of ballistic shock wave has a primary compressive region followed by a primary expansive region with the other disturbances. A secondary pressure pulse consists of a positive phase followed by a negative phase. Our results agree well with previous experimental data and provide additional data on the pressure field of BSW. Our model encourages further investigation to clear the biological mechanism of BSW therapy and to design more effective device.</p>","PeriodicalId":732,"journal":{"name":"Physics of Wave Phenomena","volume":null,"pages":null},"PeriodicalIF":1.1000,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Simulation of Acoustical Field of Ballistic Shock Therapy Device by the Lattice Boltzmann Method\",\"authors\":\"K.-N. Pae, Y.-J. Kim, W.-J. Kim, S.-J. Kim\",\"doi\":\"10.3103/S1541308X23010053\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The pressure field distribution of a ballistic shock wave (BSW) therapy device is a crucial factor for clarifying its treatment mechanism. We developed a lattice Boltzmann model (LBM) to describe the propagation of BSW. Based on the assumption that the propagation of BSW causes weak compressible flow, our simulaton was performed by coupling Tait equation of state. For a two-dimensional LBM, we used the density initial condition for initial turbulent region near the applicator. We first compared our simulation results with previous experimental measurements. Then we predicted the temporal and spatial distribution of pressure field. The pressure field of ballistic shock wave has a primary compressive region followed by a primary expansive region with the other disturbances. A secondary pressure pulse consists of a positive phase followed by a negative phase. Our results agree well with previous experimental data and provide additional data on the pressure field of BSW. Our model encourages further investigation to clear the biological mechanism of BSW therapy and to design more effective device.</p>\",\"PeriodicalId\":732,\"journal\":{\"name\":\"Physics of Wave Phenomena\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.1000,\"publicationDate\":\"2023-03-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physics of Wave Phenomena\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://link.springer.com/article/10.3103/S1541308X23010053\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"PHYSICS, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of Wave Phenomena","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.3103/S1541308X23010053","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
Simulation of Acoustical Field of Ballistic Shock Therapy Device by the Lattice Boltzmann Method
The pressure field distribution of a ballistic shock wave (BSW) therapy device is a crucial factor for clarifying its treatment mechanism. We developed a lattice Boltzmann model (LBM) to describe the propagation of BSW. Based on the assumption that the propagation of BSW causes weak compressible flow, our simulaton was performed by coupling Tait equation of state. For a two-dimensional LBM, we used the density initial condition for initial turbulent region near the applicator. We first compared our simulation results with previous experimental measurements. Then we predicted the temporal and spatial distribution of pressure field. The pressure field of ballistic shock wave has a primary compressive region followed by a primary expansive region with the other disturbances. A secondary pressure pulse consists of a positive phase followed by a negative phase. Our results agree well with previous experimental data and provide additional data on the pressure field of BSW. Our model encourages further investigation to clear the biological mechanism of BSW therapy and to design more effective device.
期刊介绍:
Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.