in bridge wizard the elevation of the bearing can be defined, but the horizontal distance of the bearing can not be assigned, and this issue has troubled me for a long time , any one could help?
Dear All,
I am doing some research relating to story ductility ratios. I am using Sap2000. The problem is that i have to carry out a lot of iterations and hit and trials. I needed to know is there any simplified software or excel sheet which i can modify.
Thanks.
Characteristics Finite Element Methods in Computational Fluid Dynamics
Book Title: Characteristics Finite Element Methods in Computational Fluid Dynamics
Author: Joe Iannelli
ISBN:3540251812
Publisher: Springer,1 edition October 5, 2006
File: 11.4 MB PDF, 727 pages
Description:
This book details a systematic characteristics-based finite element procedure to investigate incompressible, free-surface and compressible flows. Several sections derive the Fluid Dynamics equations from thermo-mechanics principles and develop this multi-dimensional and infinite-directional upstream procedure by combining a finite element discretization with an implicit non-linearly stable Runge-Kutta time integration for the numerical solution of the Euler and Navier Stokes equations. Based on the mathematics and physics of multi-dimensional characteristics, convection as well as acoustics, and inducing by design a controllable multi-dimensional upwind bias that can be locally optimized, the procedure crisply captures contact discontinuities, normal as well as oblique shocks, and generates essentially non-oscillatory solutions for incompressible, subsonic, transonic, supersonic, and hypersonic inviscid and viscous flows with chemical reactions and work, heat and mass transfer.
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Author(s): International TextBook Company
Publisher: International TextBook Company
Date : 1927
Pages : 310
Format : PDF
Language : English
ISBN-10 : 1740164021
This volume covers fundamental principles of mechanics, analytic statics, kinematics and kinetics, hydrostatics, pneumatics, and rudiments of analytic geometry. The book is written clearly and in the simplest language possible, so as to make them readily understood by all students.
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Behaviour of buildings due to tunnel induced subsidence
In urban areas tunnelling can induce ground movements which distort and, in severe cases damage overlying buildings and services. The conventional design methods, used in engineering practice to assess these deformations, are based on empiricism gained from green field sites and consequently do not account for important characteristics of these structures. Furthermore the mechanisms which control this tunnel-soil-structure interaction problem arenot well understood. Recently, a new approach, based on the relative stiffness of a building and the underlying soil, has been proposed to account for the effect of a building stiffness when predicting its deformation and potential damage. The objective of this thesis is to assess this new approach and extend its applicability. This has been achieved by performing parametric studies using both two and three dimensional fnite element analyses and by reviewing field data obtained during the construction of the Jubilee Line Extension. In particular the e®ect of building weight, the nature of the contact between the building foundations and the soil and the geometry of the building with respect to the direction of tunnelling on the behaviour of the building has been investigated. The results of these investigations have lead to an improved understanding of the tunnel-soil-building interaction problem. They have also verified and extended the applicability of the relative sti®ness approach providing greater confidence for its use in engineering practice.
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Concrete Materials, Second Edition:
Properties, Specifications, and Testing
Author(s): Sandor Popovics
Publisher: William Andrew; 2 edition
Date : 1992
Pages : 661
Format : pdf
Language : English
ISBN-10 : 0815513089
ISBN-13 : 9780815513087
This book presents an in-depth approach to concrete ingredients and their relationships to concrete by discussing their properties, pertinent test methods, specifications, proper use and selection, and solutions to problems in practice. The approach is practice oriented, and the book assists in the improved application of concrete through a thorough understanding of its ingredients. This is aided by the discussion of certain fundamental aspects and relationships in quantitative forms, and by also presenting the interpretation of research and experience. An extensive bibliography is included. The book is a current, organized summary of knowledge concerning concrete-making materials, which will enable the engineer/user to make the best possible product using these materials.
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