The Experts below are selected from a list of 60 Experts worldwide ranked by ideXlab platform

Tan, Derrick Kai Keong - One of the best experts on this subject based on the ideXlab platform.

  • Development of interactive software (Shear Force and bending moment)
    'Nanyang Technological University', 2020
    Co-Authors: Tan, Derrick Kai Keong
    Abstract:

    An interactive software application developed to provide all Shear Forces and bending moment acting on the beam. Software are developed using the Direct Stiffness Matrix Method to solve the beam’s problem and able to solve any problems regardless is it a statically determinate problem or a statically indeterminate problem. A Shear Force Diagram and Bending Moment Diagram shall be provided after each problem solved for analysis purposes. Problems with or without Modulus of Elasticity and Moment of Inertia can be solved by the software with the correct Shear Force and bending moment at each node. However, if actual Modulus of Elasticity and Moment of Inertia not used stiffness matrix and deflection value should not be treated as the actual value. The software is developed using JavaScript as the backbone for interactive software. JavaScript is currently the most popular programming language as it is straightforward since it does not require any initial setup to start programming and the program are written in plain text format. JavaScript is also the fastest compared to other programming languages as it is built on a V8 Chrome engine which is one of the fastest in the world. It can also be used as front-end and back-end language making it the popular language. Canvas are used to provide interactive in the software and used to draw all Diagrams in the program. The program will be useful for all engineering students and can be used for understanding the Mechanics of Materials concepts.Bachelor of Engineering (Mechanical Engineering

Johan Blaauwendraad - One of the best experts on this subject based on the ideXlab platform.

  • Smart Super Elements in Slender Structures Subjected to Wind
    III European Conference on Computational Mechanics, 1
    Co-Authors: D. J. M. Steenbergen, Johan Blaauwendraad
    Abstract:

    Structural analysis of tall buildings of asymmetric plan and irregular geometry subjected to wind load eventuates in complicated calculus. This is among others the case if parts of the building or stability elements stop at a lower height than the rest. FEM programs are at disposal; however the modeling takes a lot of time and a quick and deeper understanding of the Force flow is not provided. In this paper this want is supplied by developing a closed-form super element method for two frequently occurring building types. For two types of a tall building of irregular geometry, an insight-providing closed-form analysis method of combining super elements is presented. The main-structure is subdivided in only two super elements. The super elements are based on closed-form solutions describing the Force flow in the stability elements. Within an element no change of floor plan, wall and shaft geometry occurs. A node between elements is only chosen where the properties of the building change. The in-plane stiffnesses of the floors are included and act as distributed coupling springs between the stability elements. For each super element a set of simultaneous differential equations is derived and closed-form solutions are obtained; see [1]. For each super element the stiffness matrix is composed from the homogeneous solution and the load vector is composed from both the particular and the homogeneous solution. Foundation stiffness is accounted for. At each change of geometry (node) a marked disturbance in the moment and Shear Force Diagram is found, attenuating along a number of storeys depending on the ratio of the characteristic length and the length of the building. Closed-form expressions for the influence lengths of these disturbances are obtained. Including the rotational stiffness of the foundation may result in substantial disturbances in the stress state at the base of the building. No disturbance occurs if the ratio of the rotational stiffnesses of wall and shaft equals the ratio of the base moments of wall and shaft for an ideal rigid foundation. Results have been presented in [1]. Because of the use of a very small number of super elements with closed-form solutions, the method contributes to the understanding of the behaviour of the considered tall buildings with a discrete change along the height. In a preliminary design stage a fast analysis can be made without spending much time in modelling. It is shown that the modelling and calculating time of the present method is reduced significantly in comparison with complete finite element analysis and accurate results are obtained.

Oon, Yun Cong - One of the best experts on this subject based on the ideXlab platform.

  • Development of interactive software (Statics)
    2014
    Co-Authors: Oon, Yun Cong
    Abstract:

    This report presents a Final Year Project involve the development of an interactive software to allow users to calculate the Shear Force and Bending Moment of a static beam. It can also plot the Shear Force Diagram and bending moment Diagram with precision. Java was selected as the programme language for the project. Java is an open source software and is able to run on most platforms. Eclipse IDE for Java Developers is used to develop the interactive software. The software is able to meet the required objective although there are some limitations in the software. Discussions on the capabilities and limitations of the software can be expected, followed by possible real scale applications.Bachelor of Engineering (Mechanical Engineering

Zhao Guo - One of the best experts on this subject based on the ideXlab platform.

Chan, Keith Shao Wen - One of the best experts on this subject based on the ideXlab platform.

  • Development of interactive software (statics)
    2015
    Co-Authors: Chan, Keith Shao Wen
    Abstract:

    Readers of this report will have an understanding of the purpose of this project, its scope, schedule and time taken to work on different parts of the project and integrate them into a complete software for education purpose. Readers can have a reference on the availability and suitability of software for development of this project should they intend to work on something similar. The basic theories and knowledge of statics are explained and problems solving guides are shown. More complex problems and solving methods are included as well. The software developed in this project contains three main parts: Lecture Materials, Exercise and Beam Analyser. The Lecture Materials and Exercise Sections are for educational and/or self-study purposes by imparting statics knowledge and problem solving methods for users to apply what they have learnt. As the major part of the whole software, the Beam Analyser is developed to tackle problems in determining reaction Forces and plotting Shear Force Diagram and bending moment Diagram of a beam subjected to various loadings and support conditions. The layout and some working principles of the software are also explained, which uses some of the methods mentioned in statics theories and concepts. Second and third year students of Nanyang Technological University from School of Mechanical and Aerospace Engineering are some of the potential users that would benefit from this report and software.Bachelor of Engineering (Mechanical Engineering