Coastal and Urban Water Disasters Engineering

Numbering Code G-ENG01 7F269 LJ24 Year/Term 2022 ・ First semester
Number of Credits 2 Course Type Lecture
Target Year Target Student
Language Japanese Day/Period Wed.2
Instructor name HIRAISHI TETSUYA (Disaster Prevention Research Institute Professor)
IGARASHI AKIRA (Disaster Prevention Research Institute Professor)
MORI NOBUHITO (Disaster Prevention Research Institute Professor)
YONEYAMA NOZOMU (Disaster Prevention Research Institute Associate Professor)
SHIMURA TOMOYA (Disaster Prevention Research Institute Associate Professor)
Outline and Purpose of the Course The coastal and densely populated urban areas with highly concentrated economic and social activities and infrastructures are exposed to the threat of coastal disasters such as tsunamis, storm surges, high waves, urban flood damage and urban earthquake disasters caused by paricular conditions associated with their characters. This course provides the factors, examples and characteristics of coastal and urban regional disasters, as well as disaster prevention measures taking these factors into consideration.
Course Goals In-depth understanding of cocepts and knowledge necessary for taking measures against disasters, based on fundamental theories of hydraulics and structural mechanics, occurrence, propagation and deformation of external actions caused by coastal and urban earthquake disasters, as well as information on the past disaster and damage examples.
Schedule and Contents Outline of coastal and urbarn disasters (1 week)
Introduction of coastal and urban disasters will be lectured. The type and cause of coastal and urban disasters will be explained for sequential lectures.

Modeling of tsunami, storm surge and waves (3 weeks)
The fundamental physics and governing equations of tsunami, storm surge and ocean waves will be described and applications and historical events will be explained in detail.

Reduction of coastal disasters (3 weeks)
Characteristics of historical tsunamis, storms surges and coastal erosion will be presented with countermeasures by engineering approaches. Reliability design for coastal structures will be explained following Japanese standard.

Earthquake disaster in urban areas (1 week)
Review of recent earthquake disasters in urban areas in Japan and other counries

Prediction of regional damage due to earthquake and tsunami (3 weeks)
Fundamental principles of regional damage prediction for scenario earthquakes and tsunami events

Countermeasures for urban flood (1 week)

Elucidation of urban flood phenomena using numerical analysis (2 weeks)

Achievement Evaluation (1 week)
Submission of reports to integrate the idea of prevention and reduction of coastal and urban disasters, to evaluate students' achievements in understanding of the course material.
Evaluation Methods and Policy Grading will be based on the report and achievements in the class.
Course Requirements None
Study outside of Class (preparation and review) The methodology and idea developed in the lecture should be explored by relating your own field of research.
Textbooks Textbooks/References Not specified. Hand-outs and research papers are distributed when necessary.
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