{"title":"Use of pattern recognition and Bayesian classification for earthquake intensity and damage estimation","authors":"A.C. Boissonnade, W.M. Dong, S.C. Liu, H.C. Shah","doi":"10.1016/0261-7277(84)90044-5","DOIUrl":"10.1016/0261-7277(84)90044-5","url":null,"abstract":"<div><p>Empirical methods, which correlate intensity with a damage index based on statistical observations of past events, have been conventionally used to forecast or estimate damage of structures that might result from future earthquakes. However, difficulties often arise in the quantitative precision of such estimates because intensity scales are usually not rigorously defined, particularly with respect to the damage distribution of modern structures.</p><p>This paper presents a consistent method for earthquake intensity classification based on the theory of statistical pattern recognition. A discriminative function is developed for such identifications based on the Bayesian criterion. All statistical data required is obtained from past earthquake investigations. The method developed can be used to identify the intensity levels of an earthquake as well as to verify the intensity classification of the past earthquakes.</p></div>","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 3","pages":"Pages 145-149"},"PeriodicalIF":0.0,"publicationDate":"1984-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90044-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75829026","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}
{"title":"Simulation in two volumes","authors":"","doi":"10.1016/0261-7277(84)90048-2","DOIUrl":"https://doi.org/10.1016/0261-7277(84)90048-2","url":null,"abstract":"","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 3","pages":"Page 165"},"PeriodicalIF":0.0,"publicationDate":"1984-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90048-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137351283","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}
{"title":"Three-dimensional diffraction of plane P, SV & SH waves by a hemispherical alluvial valley","authors":"Vincent W. Lee","doi":"10.1016/0261-7277(84)90043-3","DOIUrl":"10.1016/0261-7277(84)90043-3","url":null,"abstract":"<div><p>The three-dimensional scattering and diffraction of plane waves by a hemispherical alluvial valley in the homogeneous elastic space has been analyzed. The exact series solutions of the mixed boundary value problem for incident <em>P, SV, SH</em> waves are presented. Ground motion on or near the valley has been studied. For plane incident waves, the nature of ground motion will depend on (1) angle of incidence, type, and amplitude of incident waves, (2) η, a dimensionless frequency proportional to the ratio of the diameter of the valley to the wavelength of the incident waves, (3) <em>κ</em><sub>1</sub>, <em>κ</em><sub>0</sub>, the ratio of the longitudinal to transverse wave speeds respectively in the valley and the half-space, (4) ∼<em>μ</em>=<em>μ</em><sub>1</sub>/<em>μ</em><sub>0</sub>, the ratio of the respective shear moduli, (5) ∼<em>α</em>=<em>α</em><sub>1</sub>/<em>α</em><sub>0</sub>, the ratio of the respective longitudinal wave speeds.</p><p>The displacement amplitudes on nearby ground surface show significant departure from the uniform half-space motions. The elastic properties of the valley relative to the half-space determine the overall trends of motion on the valley.</p></div>","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 3","pages":"Pages 133-144"},"PeriodicalIF":0.0,"publicationDate":"1984-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90043-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77371846","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}
{"title":"Simulation in engineering sciences","authors":"","doi":"10.1016/0261-7277(84)90015-9","DOIUrl":"https://doi.org/10.1016/0261-7277(84)90015-9","url":null,"abstract":"","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 2","pages":"Page 115"},"PeriodicalIF":0.0,"publicationDate":"1984-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90015-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92130121","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}
{"title":"Boundary element methods in solid mechanics","authors":"","doi":"10.1016/0261-7277(84)90008-1","DOIUrl":"https://doi.org/10.1016/0261-7277(84)90008-1","url":null,"abstract":"","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 2","pages":"Page 113"},"PeriodicalIF":0.0,"publicationDate":"1984-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90008-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136748181","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}
Weimin Dong, Haresh C. Shah, Aibin Bao, Christian P. Mortgat
{"title":"Utilization of geophysical information in Bayesian seismic hazard model","authors":"Weimin Dong, Haresh C. Shah, Aibin Bao, Christian P. Mortgat","doi":"10.1016/0261-7277(84)90005-6","DOIUrl":"10.1016/0261-7277(84)90005-6","url":null,"abstract":"<div><p>This paper first describes the inferential structure of the Bayesian model and uses it to show why the empirical method using only short historical earthquake data cannot obtain a reliable hazard estimation. For improving the hazard prediction, newly developed information from the geophysical and geological studies should be incorporated with the historical data within the Bayesian framework.</p><p>The paper, then, concentrates on the methodologies of how to use the energy flux concept, seismic moment and geological observation in the seismic hazard analysis. A refined Bayesian model, where some of the geophysical and geological input can be used flexibly and consistently, is suggested. Finally, numerical examples are presented for illustrating the application of the improved method.</p></div>","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 2","pages":"Pages 103-111"},"PeriodicalIF":0.0,"publicationDate":"1984-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90005-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91538436","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}
{"title":"Software development - manual for the planning, realization, and installation of DP systems","authors":"","doi":"10.1016/0261-7277(84)90009-3","DOIUrl":"https://doi.org/10.1016/0261-7277(84)90009-3","url":null,"abstract":"","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 2","pages":"Page 115"},"PeriodicalIF":0.0,"publicationDate":"1984-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90009-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136748182","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}
{"title":"Fundamental concepts in the numerical solution of differential equations","authors":"","doi":"10.1016/0261-7277(84)90018-4","DOIUrl":"https://doi.org/10.1016/0261-7277(84)90018-4","url":null,"abstract":"","PeriodicalId":100715,"journal":{"name":"International Journal of Soil Dynamics and Earthquake Engineering","volume":"3 2","pages":"Page 116"},"PeriodicalIF":0.0,"publicationDate":"1984-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0261-7277(84)90018-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92130119","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}