During their service life, marine pipelines continually accumulate damage as a result of the action of various environmental forces. Clearly, the development of robust techniques for early damage detection is very important to avoid the possible occurrence of a disastrous structural failure. Most of vibration-based damage detection methods require the modal properties that are obtained from mea...

Vibration-based structural health monitoring (SHM) has become an attractive solution for the global monitoring and evaluation of damage in structures. Numerous damage detection schemes used in vibration-based SHM require knowledge of the modal properties of the structure under evaluation in its current state. The technique of operational modal analysis allows for these modal properties to be ob...

the useful and efficient method of finite element (fem) has a drawback for dynamic analysis of complex structures, especially in the medium and high frequency range. to overcome this fundamental difficulty, application of statistical energy analysis (sea) and power flow technique has been suggested. as the sea is based on the average response of structure and statistical properties of its reson...

Rohit Parikh has been one of the pioneers at the interface of modal and dynamic logic. Bringing dynamic, process-oriented concerns into modal logic has been a major move, whose repercussions are still being felt today. In this contribution, I consider the bridge concept of bisimulation, which links modal logic with computational process theories. Our main results show how its model-theoretic in...

The modal behavior of stmctures is governed by the mechanical characteristics of the constituent components. The dynamic mechanical properties of composite smvztures can be modified according to design requirements through hybridization. The objective of this research is to utilize hybridized pultmded composite materials for the dynamic modification and/or optimization of frames and space stNch...

This paper focuses on the dynamic behavior of reinforced concrete (RC) slabs. Therefore, the theoretical modal analysis was performed using two different types of boundary conditions. Modal analysis method is the most important dynamic analyses. The analysis would be modal case when there is no external force on the structure. By using this method in this paper, the effects of freely and simply...

This paper presents an online method for the assessment of the dynamic performance of the chassis frame in a heavy-duty dump truck based on a novel stochastic subspace identification (SSI) method. It introduces the use of an average correlation signal as the input data to conventional SSI methods in order to reduce the noisy and nonstationary contents in the vibration signals from the frame, al...

Large-scale kinetic models of metabolism are becoming increasingly comprehensive and accurate. A key challenge is to understand the biochemical basis of the dynamic properties of these models. Linear analysis methods are well-established as useful tools for characterizing the dynamic response of metabolic networks. Central to linear analysis methods are two key matrices: the Jacobian matrix (J)...

Modal languages were originally based on the possible-world approach proposed by Lewis, Carnap and others. In other words, modal languages were originally designed to talk about necessity (the box) and possibility (the diamond). Nowadays, modal languages (and certain natural extensions like dynamic languages, μ-calculus language, . . . ) are viewed as tools for analyzing the properties of Kripk...

In order to identify more accurate finite element (FE) model parameters for an as-built structure, experimental data collected from the actual structure can be used to update the parameter values. In practice, experimental data is inevitably contaminated with measurement noise, which may lead to inaccurate FE model updating. This research compares the performance of two model updating approache...