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Book ChapterDOI

Relevance of support vector machines for stochastic mechanics

TLDR
The utility of the distinguishing features of the support vector method for two important tasks in stochastic mechanics: the learning from random samples in a Monte Carlo simulation context and the possibility of defining a reliability index that characterizes arbitrary safe domains.
Abstract
Publisher Summary This chapter focuses on the relevance of support vector machines for stochastic mechanics. The last years have witnessed a growing research on applications of artificial intelligence algorithms in several fields of computational mechanics. Most applications concern genetic algorithms, fuzzy set reasoning, and neural networks. Few applications have been reported on the kernel methods, which is a family of artificial learning algorithms that are distinguished by their use of kernels. Kernel methods and support vector machines have emerged as a potent artificial intelligence alternative to neural networks for complicated tasks, especially those concerning image analysis. This chapter presents a paper that examines learning algorithm with respect to their utility in solving stochastic mechanics problems. It describes the main features of support vector machines and their differences in neural networks. It discusses the utility of the distinguishing features of the support vector method for two important tasks in stochastic mechanics: the learning from random samples in a Monte Carlo simulation context and the possibility of defining a reliability index that characterizes arbitrary safe domains.

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Citations
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Book ChapterDOI

Artificial Intelligence and Industry 4.0 Across the Continent: How AI and 4.0 are Addressed by Region

TL;DR: In this article, the authors summarize the trends related to artificial intelligence and Industry 4.0 in Latin America by using domain models, a previous form of class diagrams, and perform a systematic literature review to this aim for identifying the main elements of the domain model.
Journal ArticleDOI

Full-field order-reduced Gaussian Process emulators for nonlinear probabilistic mechanics

TL;DR: In this paper , the authors proposed a full-field order-reduced Gaussian Process (GPs) emulators to address the difficult yet underinvestigated problem of quantifying high-dimensional uncertainty on full field solution.
Book ChapterDOI

Fuzzy Sets for Modeling Interstate Conflict

TL;DR: This chapter investigates the level of transparency of the Takagi-Sugeno neuro-fuzzy model and the support vector machines model by applying them to conflict management, an application which is concerned with causal interpretations of results.
References
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Journal ArticleDOI

Exact and Invariant Second-Moment Code Format

TL;DR: In this article, a fundamental analysis of the meaning of second-moment reliability in multivariate problems is presented, and the format described is entirely derived from one basic assumption concerning the measurement of reliability.
Journal ArticleDOI

A fast and efficient response surface approach for structural reliability problems

TL;DR: In this paper, a new adaptive interpolation scheme is proposed which enables fast and accurate representation of the system behavior by a response surface (RS), which utilizes elementary statistical information on the basic variables (mean values and standard deviations) to increase the efficiency and accuracy.
Journal ArticleDOI

Structural reliability analyis of elastic-plastic structures using neural networks and Monte Carlo simulation

TL;DR: In this paper, a back propagation algorithm was used to train a neural network for reliability analysis of complex structural systems in connection with Monte Carlo Simulation (MCS), and the trained NN was then used to compute the critical load factor due to different sets of basic random variables.
Journal ArticleDOI

Neural-network-based reliability analysis: a comparative study

TL;DR: A study on the applicability of different kinds of neural networks for the probabilistic analysis of structures, when the sources of randomness can be modeled as random variables, is summarized.
Journal ArticleDOI

Generalized Second Moment Reliability Index

Ove Ditlevsen
TL;DR: In this paper, a generalized second moment reliability index is defined to be used when no high quality information is available to the engineer other than the limit state surface and a second moment representation for the set of basic variables of the structural problem.
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