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15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)最新文献

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Seismic Vulnerability Assessment of Historic Masonry Buildings through Fragility Curves Approach 基于易损性曲线法的历史砌体建筑地震易损性评价
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.101
G. Angjeliu, G. Cardani, E. Garavaglia
{"title":"Seismic Vulnerability Assessment of Historic Masonry Buildings through Fragility Curves Approach","authors":"G. Angjeliu, G. Cardani, E. Garavaglia","doi":"10.23967/wccm-apcom.2022.101","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.101","url":null,"abstract":". The assessment of the seismic vulnerability of built heritage is still an open issue. Regarding this topic, in recent years many researchers have worked in the development of refined numerical models to simulate the behaviour of different building typologies subjected to seismic action. To be reliable, these models require in-depth knowledge of the building object of study. vulnerability methodology of vs and vulnerability","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129923291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
WRF-LES Simulation of Wind Flow over Rough Urban Surface during Typhoon Lan (2017) 台风“兰”(2017)期间城市粗糙地面风场的WRF-LES模拟
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.130
K. Nakajima, H. Kawai, M. Kawaguchi, T. Tamura, K. Kondo, Y. Itoh, K. Takagi
{"title":"WRF-LES Simulation of Wind Flow over Rough Urban Surface during Typhoon Lan (2017)","authors":"K. Nakajima, H. Kawai, M. Kawaguchi, T. Tamura, K. Kondo, Y. Itoh, K. Takagi","doi":"10.23967/wccm-apcom.2022.130","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.130","url":null,"abstract":". In this study, we investigated the influence of ground surface boundary conditions of the meteorological model on the accuracy in predicting the mean wind speed and wind speed fluctuation in the urban area. Two types of ground surface boundary conditions (Cases 1 and 2) were created. In Case 1, the roughness length for the urban area was set to 0.5 m uniformly, whereas in Case 2, the spatial distribution of roughness length for the urban area was set based on the urban geometry. We performed the wind flow simulation in the central part of Tokyo during Typhoon","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130105057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Simulation of Stretching Deformation of Films for Electronic Devices in Automotive Applications 汽车电子器件薄膜拉伸变形的仿真研究
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.103
J. Liu, A. Higaki, N. Komatsu, S. Takanezawa
{"title":"Simulation of Stretching Deformation of Films for Electronic Devices in Automotive Applications","authors":"J. Liu, A. Higaki, N. Komatsu, S. Takanezawa","doi":"10.23967/wccm-apcom.2022.103","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.103","url":null,"abstract":". In this study, we proposed a simulation method for film transverse stretching based on the finite element method using the orthogonal anisotropy plastic model. The simulation method can analyse the large deformation of film stretching and predict whether the kink band phenomenon occurs during the film transverse stretching. The validity of the simulation method was confirmed by the transverse stretching tests performed on the fluorine films with different longitudinal stretching ratios. Using the simulation method, we clarified that the plastic anisotropy index of the longitudinally stretched fluorine film has a great influence on the presence or absence of the kink band phenomenon during the film transverse stretching. The plastic anisotropy index of the longitudinally stretched fluorine film can be related to its birefringence, and the two are approximately in a linear relationship. Moreover, we revealed the change in film stretching deformation due to difference in the ratio of the stretching zone length to the width of the tenter.","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129549325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ultrasonic Testing and Imaging of Out-of-plane Fiber Wrinkling in Multilayer Composites with Double-side Pulse-echo Methods 多层复合材料面外纤维起皱的双面脉冲回波超声检测与成像
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.124
Z. Li, M. Liu
{"title":"Ultrasonic Testing and Imaging of Out-of-plane Fiber Wrinkling in Multilayer Composites with Double-side Pulse-echo Methods","authors":"Z. Li, M. Liu","doi":"10.23967/wccm-apcom.2022.124","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.124","url":null,"abstract":"","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129579473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Part-scale Thermo-mechanical Modelling for The Transfusion Module in The Selective Thermoplastic Electrophotographic Process 选择性热塑性电照相工艺中输液模块的部分尺度热力学建模
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.090
H. Yeh, K. Meinert, M. Bayat, J. Hattel
{"title":"Part-scale Thermo-mechanical Modelling for The Transfusion Module in The Selective Thermoplastic Electrophotographic Process","authors":"H. Yeh, K. Meinert, M. Bayat, J. Hattel","doi":"10.23967/wccm-apcom.2022.090","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.090","url":null,"abstract":". This study proposes a thermos-mechanical model for the transfusion module in the additive manufacturing process, selective thermoplastic electrophotographic process (STEP). The reduced-order method and parametric study are presented, as well.","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129417381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
LES Analysis of Ventilation Performance and Wind Gust Occurrence for Strategic Urban Transformation 战略性城市转型通风性能与阵风发生的LES分析
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.059
M. Kawaguchi, T. Tamura
{"title":"LES Analysis of Ventilation Performance and Wind Gust Occurrence for Strategic Urban Transformation","authors":"M. Kawaguchi, T. Tamura","doi":"10.23967/wccm-apcom.2022.059","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.059","url":null,"abstract":". In order to achieve desirable urban redevelopment in the near future, various transformation strategies were investigated using LES, focusing on their impact on ventilation performance and wind gust generation. This study evaluated the replacement of city blocks with high-rise buildings, replacement with mid-rise buildings lower than the surrounding area, and simple multi-building arrangements utilizing the prevailing wind direction.","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122764419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LES on wind pressure acting on high-rise building under strong wind events of Typhoon 台风强风作用下高层建筑风压的LES
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.061
H. Kawai, T. Tamura, M. Kawaguchi
{"title":"LES on wind pressure acting on high-rise building under strong wind events of Typhoon","authors":"H. Kawai, T. Tamura, M. Kawaguchi","doi":"10.23967/wccm-apcom.2022.061","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.061","url":null,"abstract":". This study predicts wind pressure on high-rise buildings under typhoons by LES using CUBE and discuss the effects of turbulence fields obtained from broad region simulation and fine vortex structure around complicated facade on wind pressure. First, the computation of broad region including many high-rise building is carried out. The computation reveals that structures with streamtwise vorticity appears from the upper corner of high-rise building and remains even in 1km leeward region. Then, the computation resolving the complicated façade of two buildings is carried out and turbulent structure around the complicated façade is examined. The result shows that it is possible to show local wind pressure induced by fine structure of vortex by the computation with high spatial resolution resolving the shape of unevenness on building façade.","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131107559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tsunami Evacuation Simulation Considering Building Collapse and Fire Spread 考虑建筑物倒塌和火势蔓延的海啸疏散模拟
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.122
U. Toyama, M. Nakamura, K. Kashiyama
{"title":"Tsunami Evacuation Simulation Considering Building Collapse and Fire Spread","authors":"U. Toyama, M. Nakamura, K. Kashiyama","doi":"10.23967/wccm-apcom.2022.122","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.122","url":null,"abstract":". The objective of this study is to develop a tsunami evacuation simulation system that takes into account building collapse and fire spread. Road blockage is determined by calculating the road blockage probability due to building collapse, taking into account the size of the assumed earthquake, location of buildings, and type of building. For fire spread simulation, an existing simulator based on the fire spread rate equation is used. Under average wind direction and speed conditions for the target area, arbitrary fire points are set up and fire spread is represented using fire times for each building obtained from the simulation. The applicability of this system as a scenario is extended. The present system is applied to several examples to demonstrate the validity and effectiveness of the system.","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115297208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extraction of Disaster Area from Satellite Image by combining Machine Learning and Image Processing Technology 结合机器学习和图像处理技术的卫星图像灾区提取
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.050
D. Seno, S. Kubo, C. Isouchi, H. Yoshida
{"title":"Extraction of Disaster Area from Satellite Image by combining Machine Learning and Image Processing Technology","authors":"D. Seno, S. Kubo, C. Isouchi, H. Yoshida","doi":"10.23967/wccm-apcom.2022.050","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.050","url":null,"abstract":". In recent years, heavy rain which frequently occurred in various places in Japan have been caused severe damage. It is important to identify the damaged area for disaster recovery and reconstruction. In this study, we focus on the optical satellite images that are easy to process and interpret, and extract the damaged area by combining a land cover classification method using machine learning and an additive color mixture method. As the results, it is possible to visually express the land cover changes before and after the disasters in a specific category and to extract the damaged area from the optical satellite image.","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125316560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Force method conception using transfer matrix to apply to multiphase flow by one-by-one corresponding Particle-Cartesian cell (P/CC) model 将传递矩阵的力法概念应用于多相流中，采用相应的P/CC模型
15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII) Pub Date : 1900-01-01 DOI: 10.23967/wccm-apcom.2022.053
J. Imamura
{"title":"Force method conception using transfer matrix to apply to multiphase flow by one-by-one corresponding Particle-Cartesian cell (P/CC) model","authors":"J. Imamura","doi":"10.23967/wccm-apcom.2022.053","DOIUrl":"https://doi.org/10.23967/wccm-apcom.2022.053","url":null,"abstract":". This work presents a novel force method for multiphase flow in which displacements and forces progress while strains terminate on surfaces between two different phases, such as the surface between air and liquid. This report is part of a research project to apply Helmholtz decomposition (H-d) to the finite element method. State vectors continues to exist on the surface of multiphase. The conventional scheme uses displacement method and applies a model to set Dirichlet boundary conditions for air on the air-liquid interface. The proposed scheme allows simulating it without such modeling.","PeriodicalId":429847,"journal":{"name":"15th World Congress on Computational Mechanics (WCCM-XV) and 8th Asian Pacific Congress on Computational Mechanics (APCOM-VIII)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127697580","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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