{"title":"Numerical Study of Waves Generated by Landslides in U-Shaped Bays","authors":"Rani Sulvianuri, Sri Redjeki Pudjaprasetya","doi":"10.1007/s00024-025-03744-9","DOIUrl":null,"url":null,"abstract":"<div><p>The modeling of waves caused by landslides is an active area of intensive research, with studies including landslides on flat-bottom or sloping beaches, using analytical, numerical, or experimental approaches. This article focuses on the study of landslide waves generated in long and narrow bays, on which the Saint-Venant equations hold. In this article, our previously developed numerical scheme is revisited and modified to accommodate landslide movements. The ability of the scheme to simulate the wave generated by landslide in U-shaped bays is validated using analytical solutions. Further, we investigate the shoaling processes experienced by waves in the U-shaped bay, as well as resonance phenomena, obtaining results that align perfectly with analytical predictions. We also analyze the nonlinear effects revealed by numerical simulations. Finally, we apply our model to a more realistic scenario, providing estimates of wave run-up in Palu Bay.</p></div>","PeriodicalId":21078,"journal":{"name":"pure and applied geophysics","volume":"182 7","pages":"2855 - 2870"},"PeriodicalIF":1.9000,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"pure and applied geophysics","FirstCategoryId":"89","ListUrlMain":"https://link.springer.com/article/10.1007/s00024-025-03744-9","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"GEOCHEMISTRY & GEOPHYSICS","Score":null,"Total":0}
引用次数: 0
Abstract
The modeling of waves caused by landslides is an active area of intensive research, with studies including landslides on flat-bottom or sloping beaches, using analytical, numerical, or experimental approaches. This article focuses on the study of landslide waves generated in long and narrow bays, on which the Saint-Venant equations hold. In this article, our previously developed numerical scheme is revisited and modified to accommodate landslide movements. The ability of the scheme to simulate the wave generated by landslide in U-shaped bays is validated using analytical solutions. Further, we investigate the shoaling processes experienced by waves in the U-shaped bay, as well as resonance phenomena, obtaining results that align perfectly with analytical predictions. We also analyze the nonlinear effects revealed by numerical simulations. Finally, we apply our model to a more realistic scenario, providing estimates of wave run-up in Palu Bay.
期刊介绍：
pure and applied geophysics (pageoph), a continuation of the journal "Geofisica pura e applicata", publishes original scientific contributions in the fields of solid Earth, atmospheric and oceanic sciences. Regular and special issues feature thought-provoking reports on active areas of current research and state-of-the-art surveys.
Long running journal, founded in 1939 as Geofisica pura e applicata
Publishes peer-reviewed original scientific contributions and state-of-the-art surveys in solid earth and atmospheric sciences
Features thought-provoking reports on active areas of current research and is a major source for publications on tsunami research
Coverage extends to research topics in oceanic sciences
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