By Peng Pan, Tao Wang, Masayoshi Nakashima
Development of on-line Hybrid checking out: concept and purposes to Structural Engineering presents accomplished remedies of a number of issues pertinent to substructure on-line hybrid assessments. Emphasis has been put on explaining the 3 frameworks:
- the host-station framework,
- separated version framework and
- peer to look framework
These were constructed in the net surroundings and are fairly compatible for disbursed hybrid trying out. for you to support readers to appreciate the essence of on-line hybrid checking out and extra to accumulate their very own structures, an engineering perform has been brought on the finish of this booklet with the resource code appended. improvement of on-line Hybrid checking out: conception and functions to Structural Engineering is basically written for readers with a few history in structural dynamics, finite components, and machine technological know-how. fabric that has formerly in simple terms seemed in magazine articles has been consolidated and simplified which gives the reader with a point of view of the state-of-the-art.
- Presents fundamentals and implementations of time integration algorithms for on-line hybrid exams, in addition to the purposes for actual engineering projects
- Includes present growth at the improvement of substructure on-line hybrid exams as a method of investigating the seismic behaviour of large-scale structures
- Provides resource code for the instance tests
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Additional info for Development of online hybrid testing : theory and applications to structural engineering
4), where A is called amplification matrix, L is the load operator, and Xn + 1 and Xn represent the state at the time ðn + 1ÞΔt and nΔt, respectively. 4) The essence of stability condition is that the error introduced into the approximate solution by a particular difference method remains uniformly bounded as n ! 1 with n as the solution time step. The stability presented here is concerned Time Integration Algorithms for the Online Hybrid Test Chapter 3 33 with the rate of growth or decay of powers of the amplification matrix.
525–34. 7 Conclusions References 39 41 42 43 43 45 46 47 48 49 50 50 52 53 INTRODUCTION In order to solve the equations of motion in an online hybrid test, time integration algorithms are used. Therefore, the study of these algorithms and their characteristics is of great importance. This chapter gives the basics to help the reader Development of Online Hybrid Testing. 00003-0 © 2016 Tsinghua University Press Limited. Published by Elsevier Inc. All rights reserved. 27 28 Development of Online Hybrid Testing to have a better understanding of them.
The selection of γ, however, is rather complex because initial stiffness and mass are involved. A similar method with easier control of numerical dissipation was developed by Chung and Lee . If the controllable parameter β is chosen in a range of 1 β 28=27, the desirable numerical dissipation can be obtained. These explicit algorithms of Newmark’s family are conditionally stable. Chang  proposed an explicit time integration algorithm with unconditional stability, but without any numerical dissipation.