An Impulse and Earthquake Energy Balance Approach in Nonlinear Structural Dynamics

Time-history response analysis is used to address problems in nonlinear structural dynamics and critical excitation with elastic-plastic structures, but this approach transforms ground motion into impulses and takes an energy balance approach. This book is accessible to undergraduates and practitioners for building and structural design.

Format: Paperback / softback
Length: 332 pages
Publication date: 30 September 2022
Publisher: Taylor & Francis Ltd

Problems in nonlinear structural dynamics and critical excitation with elastic-plastic structures are typically addressed using time-history response analysis, which requires multiple repetitions and advanced computing. This alternative approach transforms ground motion into impulses and takes an energy balance approach.

This book is accessible to undergraduates, being based on the energy balance law and the concepts of kinetic and strain energies, and it can be used by practitioners for building and structural design. This presentation starts with simple models that explain the essential features and extends in a step-by-step manner to more complicated models and phenomena.

Time-history response analysis is a powerful tool for studying the behavior of structures subjected to dynamic loads. It involves the simulation of a structure's response to a series of input events, such as earthquakes or wind loads, over a specified time period. The analysis can provide valuable insights into the structural performance, including stresses, displacements, and energy dissipation.

One of the key advantages of time-history response analysis is that it allows for the investigation of complex structural systems. By modeling the structure as a series of interconnected elements, the analysis can capture the interactions between different parts of the structure and account for the effects of material nonlinearity and geometric imperfections. This enables the prediction of the behavior of the structure under a wide range of loading conditions, including extreme events.

However, time-history response analysis also presents several challenges. One of the most significant is the need for large amounts of computational power and memory. The simulation of a structure's response to a series of input events can be computationally intensive, especially for complex structures or extreme events. This requires the use of high-performance computing systems and advanced simulation software.

Another challenge is the accuracy of the input data. The input events used in the analysis must be representative of the actual loading conditions that the structure will experience. This requires the collection of detailed data on the structure's geometry, material properties, and loading history. Inaccurate input data can lead to inaccurate predictions of the structural performance.

Despite these challenges, time-history response analysis remains an important tool for studying the behavior of structures subjected to dynamic loads. It has been used in a wide range of applications, including the design of new structures, the evaluation of existing structures, and the development of safety protocols for critical infrastructure.

In conclusion, time-history response analysis is a powerful tool for studying the behavior of structures subjected to dynamic loads. It allows for the investigation of complex structural systems, the prediction of structural performance, and the development of safety protocols for critical infrastructure. However, the analysis also presents several challenges, including the need for large amounts of computational power and memory and the accuracy of the input data.

Weight: 518g
Dimension: 155 x 232 x 23 (mm)
ISBN-13: 9780367681418