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    Evaluation the Accuracy of Seismic Force and Equivalent Static Procedure Fit from Nonlinear Dynamic Behavior Perspective

    , M.Sc. Thesis Sharif University of Technology Pourmohammadi, Mohammad Fazel (Author) ; Alijani Moghaddam, Hassan (Supervisor)
    Abstract
    Since 1906, after the earthquake of Messina in Italy, Italian engineers start developing a new method for increasing the resistance of a structure during an earthquake. With the limitation of time and technology, this method was acceptable for the time period. By developing the accelerographs and seismographs and the methods to process big data, new methods are developed and are being used in designing structures; new technologies allow engineers to analyze the performance of structures with ease. The studies in this research indicates that achieving the safety indices in any design require utilizing all dynamic properties of a structure such as period, stiffness and damping. In this... 

    Finding Subtle Fault using Acoustic Emission

    , M.Sc. Thesis Sharif University of Technology Korivand, Arash (Author) ; Bazargan, Mohammad (Supervisor)
    Abstract
    Subtle faults refer to geological faults that are not easily identifiable using conventional seismic interpretation techniques. Identifying faults and fractures is of great importance in petroleum engineering, playing a vital role in reservoir management and the optimization of hydrocarbon extraction. Faults and fractures can act as fluid conduits, creating heterogeneity in fluid flow. Blocking faults or fractures can act as flow barriers and even lead to reservoir compartmentalization. Accurate fault identification aids in optimizing extraction methods, maximizing hydrocarbon recovery, and preventing issues such as induced seismicity caused by the reactivation of faults. For reservoir...